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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-K/A
(Amendment No. 1)

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Commission file number 001-08762

ITERIS, INC.
(Exact Name of Registrant as Specified in Its Charter)

1700 Carnegie Ave., Santa Ana, California 92705
(Address of Principal Executive Offices) (Zip Code)

Registrant's Telephone Number, Including Area Code: (949) 270-9400

          Securities registered pursuant to Section 12(b) of the Act:

          Securities registered pursuant to Section 12(g) of the Act: None

          Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes o    No ý

          Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes o    No ý

          Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý    No o

          Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ý    No o

          Indicate by a check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.    o

          Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of "large accelerated filer," "accelerated filer," and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

          Indicate by check mark whether the registrant is a shell company (as defined in Exchange Act Rule 12b-2). Yes o    No ý

          The aggregate market value of the registrant's common stock held by nonaffiliates of the registrant as of September 30, 2015 was approximately $63,350,000. For the purposes of this calculation, shares owned by officers, directors and 10% stockholders known to the registrant have been deemed to be owned by affiliates. This determination of affiliate status is not necessarily a conclusive determination for other purposes.

          As of June 8, 2016, there were 32,057,503 shares of our common stock outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

          None.

   

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EXPLANATORY NOTE

        This Amendment No. 1 on Form 10-K/A (the "Amendment") amends our annual report on Form 10-K for the year ended March 31, 2016, originally filed on June 20, 2016 (the "Original Filing"). We are filing this Amendment to provide the information required by Part III, which was not included in the Original Filing. In addition, in connection with the filing of this Amendment and pursuant to the rules of the Securities and Exchange Commission (the "SEC"), we are including with this Amendment certain currently dated certifications. Item 15 of Part IV has been amended to reflect the filing of these currently dated certifications and to consecutively number the exhibits.

        Except as set forth above, we have not modified or updated disclosures presented in the Original Filing to reflect events or developments that have occurred after the date of the Original Filing. Among other things, forward-looking statements made in the Original Filing have not been revised to reflect events, results, or developments that have occurred or facts that have become known to us after the date of the Original Filing (other than as discussed above), and such forward-looking statements should be read in their historical context. Accordingly, this Amendment should be read in conjunction with our filings made with the SEC subsequent to the filing of the Original Filing.

        In this Amendment, unless the context indicates otherwise, the terms the "Company," "Iteris," "we," "us," and "our" refer to Iteris, Inc. and its wholly-owned subsidiary. In addition, unless the context indicates otherwise, each reference to "this report" or "the Annual Report" or words of like import in this Amendment, shall be deemed to be a reference to our annual report on Form 10-K for the year ended March 31, 2016, as amended by this Amendment.

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PART III

ITEM 10.    DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

Directors and Executive Officers

        The table and narrative below set forth information as of June 30, 2016 regarding our directors and executive officers, including, with respect to our directors, the attributes that we believe qualify them to serve as directors. We believe that our directors also have the following additional key attributes that are important to an effective board of directors: integrity and demonstrated high ethical standards; sound judgment; analytical skills; the ability to engage management and each other in a constructive and collaborative fashion; diversity of experience and thought; and the commitment to devote significant time and energy to service on our Board of Directors (the "Board") and its committees.

        Joe Bergera has served as our President and Chief Executive Officer and as a director since September 2015. Prior to joining us, Mr. Bergera served as Group Vice President, Software of Roper Technologies, Inc. (formerly, Roper Industries) since September 2011 and as President of iTradeNetwork, a Roper subsidiary, since August 2013. He was the Executive Vice President and General Manager, Tax Solutions at CCH Wolters Kluwer from March 2011 to September 2011 and served in senior executive positions with Sage Software from 2004 to March 2011, most recently as Executive Vice President, Global CRM. Mr. Bergera holds a B.A. degree in Government from Colby College, an M.B.A. from the Booth School of Business at the University of Chicago and an A.M. in Public Policy from the Harris School of Public Policy at the University of Chicago. Mr. Bergera has over 20 years of experience in technology-related companies and provides extensive management and global software and service industry knowledge to the Board.

        Richard Char has served as Senior Vice President and Global Head of Business Development at Verifone Systems, Inc., a global provider of technology and services for electronic payments, since July 2014. From August 2011 to April 2014, Mr. Char was Managing Director and Global Head of Digital Networks and Retail Solutions with Citi Enterprise Payments. Prior to joining Citi, Mr. Char was the Senior Managing Director at Regent Pacific Management Corporation, a turnaround, restructuring, and performance improvement firm, from September 2010 to August 2011. From October 2008 to March 2010, Mr. Char served as CEO of Incentium, LLC (formerly, VIPGift LLC), a provider of corporate and consumer loyalty and incentive programs. Incentium filed for bankruptcy protection in

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February 2011. From June 2006 to July 2008, Mr. Char was the Senior Vice President of Corporate Development and General Counsel of Blackhawk Network, Inc., then an affiliate of Safeway which markets pre-paid gift cards through leading U.S. retailers. Mr. Char's prior business experience includes serving as the President and Chief Executive Officer of IC Media, a developer of CMOS digital image sensors, as the Managing Director with the Technology Group of Credit Suisse First Boston, as Co-Head of Technology Investment Banking at Cowen & Company, and as a partner in the law firm of Wilson Sonsini Goodrich & Rosati. Mr. Char also served on the board of directors of Netlist, Inc. from January 2010 until December 2012. He received his A.B. degree from Harvard College and his J.D. degree from Stanford Law School. Mr. Char has served as a director since October 2005 and brings to the Board of Directors executive leadership experience, as well as significant corporate finance, legal and corporate development experience and financial acumen through his many years of work as a lawyer and in corporate finance.

        Kevin C. Daly, Ph.D.    served as our interim Chief Executive Officer from February 2015 to September 2015. Prior to his service as our interim CEO, Dr. Daly served as the CEO of Maxxess Systems, Inc., a provider of electronic security systems, from November 2005. Between August 2007 and August 2009, Dr. Daly also served as CEO of iStor Networks, Inc., a manufacturer of IP SAN storage systems. Prior to that, he served as the CEO of several technology companies, including Avamar Technologies, Inc. and ATL Products, Inc. Dr. Daly served on the board of directors of sTec, Inc., a provider of solid state disk systems, from May 2010 until the acquisition of the company in September 2013 by Western Digital Corporation. Dr. Daly received a B.S. degree in electrical engineering from the University of Notre Dame and M.S., M.A. and Ph.D degrees in engineering from Princeton University. He has served as a director of Iteris since 1993. Having served as the CEO of several technology companies and as a director of both private and public companies, Dr. Daly offers to the Board a wealth of management and leadership experience as well as an understanding of issues faced by such companies.

        Gregory A. Miner has served as a Managing Member of Merchant Capital Source, LLC, a company that provides working capital financing solutions to merchants, since 2004. Since 2007, Mr. Miner has also served as Managing Member of Clearpay Processing, LLC, a company that provides electronic solutions to businesses within the United States. Prior to that, Mr. Miner served in a number of management positions with us and our subsidiaries, most recently as our Chief Executive Officer. Mr. Miner is a Certified Public Accountant (inactive) and his business experience includes work at Deloitte Haskins and Sells (now known as Deloitte & Touche LLP). Mr. Miner has served as a director since 1998 and as our Chairman of the Board of Directors since 2004. Through his service in a variety of executive positions with us and our subsidiaries, Mr. Miner has a deep and broad understanding of our business as well as the leadership skills and the operational understanding to provide sound guidance in continuing to grow our business.

        Gerard M. Mooney retired from International Business Machines Corporation ("IBM") in March 2014, after serving in a number of senior positions since 2000. Most recently, he served as the Vice President Strategy for IBM's Public Sector from February 2012 until his retirement, as the General Manager, Global Smarter Cities for IBM from November 2011 to February 2012, and as the General Manager, Global Government and Education for IBM from 2008 to November 2011. He served as Vice President of IBM's Venture Capital Group from 2000 to 2008. Before joining IBM, Mr. Mooney held various management positions at Hewlett-Packard Company for six years. Mr. Mooney has extensive operational and financial experience across a broad range of technology-based companies, from start-ups to large public companies, and has considerable experience with the major customers in the professional transportation market. He previously served as a member of the board of directors of the Intelligent Transportation Society of America and is also active in the intelligent search technology, cognitive intelligence, AI, data mining and visualization tools industries. Mr. Mooney currently serves as a director of inno360 and cofounder of theinnovationexchange, which offers SaaS cognitive platforms.

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He received a B.A. degree from Mount Saint Mary's College, an M.S. degree in Accounting from Georgetown University and an M.B.A. from Yale University. Mr. Mooney has served as a director of Iteris since September 2013 and brings to the Board of Directors extensive experience in setting and implementing strategy for both large and small technology organizations, deep category knowledge of the intelligent transportation market, and familiarity with many key customers for intelligent transportation solutions.

        Thomas L. Thomas is the managing partner of T2 Partners, a private management consulting and investment business which he founded in January 2011. In addition, Mr. Thomas served as the Executive Chairman and CEO of International Decision Systems, a provider of software and solutions for the equipment finance market, from September 2009 to January 2011. From 2004 to July 2008, Mr. Thomas was the President and Chief Operating Officer of Global Exchange Services, a provider of business-to-business EDI and supply chain management solutions. Prior to that, Mr. Thomas served as the President and CEO at several software, analytics and technology companies, including HAHT Commerce, Ajuba Solutions, and Vantive Corporation, and as the First Chief Information Officer for Dell Computer Corporation and 3Com Corporation. Earlier in his career, Mr. Thomas also held various senior executive management positions at Kraft General Foods, Sara Lee Corporation and W. R. Grace. Since 2012, Mr. Thomas has served as a director of Accurate Group, which specializes in the appraisal and title services business where technology has been instrumental in redefining the transaction model for the industry. He has also served on the board of directors of infoGroup, Inc. from January 2009 to July 2010, and served as a director on the boards of a wide range of technology companies, including ATL Products, Vantive Corporation, Interwoven, iManage, FrontRange Solutions, IDS International, and Quofore International. Mr. Thomas has served as a director of Iteris since 1999 and offers to the Board of Directors valuable business, leadership and strategic insights obtained through his service as an executive and as a member of the board of directors in a variety of industries and businesses, including a number of leading technology companies, and his experience in working with companies through several stages of their development.

        Mikel H. Williams has served as the Chief Executive Officer and a director of Targus Cayman Holdco Limited, a leading global supplier that designs, develops and sells products for the mobile worker, including laptop cases, docking stations and accessories for mobile electronic devices, since February 2016. Prior to that, Mr. Williams served as the Chief Executive Officer and a director of JPS Industries, Inc., a manufacturer of sheet and mechanically formed glass and aramid substrate materials for the electronics, aerospace, ballistics and general industrial applications, from May 2013 until its sale in July 2015. Mr. Williams was the President, Chief Executive Officer and a director of DDi Corp., a leading provider of time-critical, technologically advanced electronics manufacturing services, from November 2005 to May 2012 and a Senior Vice President and Chief Financial Officer of DDi from November 2004 to October 2005. DDi was sold in May of 2012. He has also served in various management positions with several companies in the technology and professional services related industries. Mr. Williams began his career with PricewaterhouseCoopers as a certified public accountant in the State of Maryland. Mr. Williams also serves as Chairman of the board of directors of Centrus Energy Corp. (formerly USEC Inc.). He was added to USEC's board of directors in October 2013 on the recommendation of certain holders of USEC's convertible senior notes as USEC was considering a bankruptcy restructuring, which was successfully initiated and completed in 2014. Since October 2015, Mr. Williams also serves on the board of directors of B. Riley Financial, Inc. He previously served on the boards of Lightbridge Communications Corporation until it was sold in January 2015, and Tellabs, Inc. until it was sold in December 2013. Mr. Williams received his B.S. degree from the University of Maryland in accounting and an M.B.A. from the University of Georgetown. Mr. Williams has served as a director of Iteris since April 2011 and provides the Board of Directors with operational and public company experience and valuable strategic insights through his many years of leadership positions in technology-related companies with international operations, as well as valuable knowledge and insights in finance and financial reporting matters.

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        Andrew Schmidt has served as our Vice President of Finance, Chief Financial Officer and Secretary, since March 2015. Prior to joining us, Mr. Schmidt served as the Chief Financial Officer and Corporate Secretary of Smith Micro Software, Inc., a publicly-held provider of wireless and mobility software solutions from 2005 to May 2014. Prior to joining Smith Micro, Mr. Schmidt held CFO roles for several other public companies, including Genius Products, an entertainment company, and Mad Catz Interactive, a provider of console video game accessories. He also served as Vice President (Finance) of Peregrine Systems, a publicly-held provider of enterprise level software. Mr. Schmidt holds a B.B.A. degree in Finance from the University of Texas and an M.S. degree in Accountancy from San Diego State University.

        Todd Kreter has served as our Senior Vice President and General Manager, Roadway Sensors since May 2014. Mr. Kreter served as our Senior Vice President, Sensors Development and Operations from May 2009 to May 2014 and as Vice President of Engineering from November 2007 to May 2009. Prior to joining us, Mr. Kreter served in a number of executive positions at Quantum Corporation, most recently as the VP Global Services from 2004 to January 2007, where he managed the company's worldwide customer service organization. Mr. Kreter holds a B.S. degree in mechanical engineering from California State University, Fullerton.

        Thomas N. Blair has served as our Senior Vice President, Performance Analytics since July 2012. Prior to that, Mr. Blair served as general manager for Trimble Navigation Limited, a provider of integrated positioning, wireless, and software technology solutions, from 2007 to August 2011, and as vice president for new business development at @Road, Inc., a leading provider of mobile resource management solutions, from 2006 to 2007. He also worked as director of business and corporate development at iAnywhere Solutions, a Sybase company, from 2003 to 2006. Mr. Blair holds a B.S. degree in Management Information Systems from DeVry Institute of Technology and an M.S. degree in Computer Science from Rochester Institute of Technology.

        Ramin Massoumi has served as our Senior Vice President and General Manager, Transportation Systems since March 2015. Mr. Massoumi joined Iteris in 1998 and served in a number of executive and managerial positions prior to the promotion to his current position, most recently as our Vice President of Business Development from June 2011 to March 2015. Throughout his career, his focus has been in the application of advanced technologies in the traffic management market, and has led projects throughout the United States and the Middle East. Mr. Massoumi also serves as a lecturer of upper division courses on transportation engineering, ITS and multi-modal operation at University of California at Irvine. Mr. Massoumi holds a B.S. degree in Civil Engineering from the University of California Irvine, an M.S. degree in Engineering from the University of California, Berkeley, and an M.B.A. from the University of Southern California.

Family Relationships

        There are no family relationships among any of our directors and executive officers.

Code of Ethics and Business Conduct

        Our Board of Directors has adopted a Code of Ethics and Business Conduct which applies to all directors, officers (including our principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions) and employees. The full text of our Code of Ethics and Business Conduct is available on the Investor Relations section of our website at www.iteris.com. We intend to disclose future amendments to certain provisions of the Code of Ethics and Business Conduct, and any waivers of provisions of the Code of Ethics required to be disclosed under the rules of the Securities and Exchange Commission ("SEC"), at the same location on our website.

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Audit Committee

        We currently have several standing committees of the Board, including the Audit Committee, the Compensation Committee, and the Nominating and Corporate Governance Committee. The current members of our Audit Committee are Messrs. Miner, Thomas and Williams. The Board has determined that each member of the Audit Committee is "independent" under the standards established by The Nasdaq Stock Market ("Nasdaq") and the SEC rules regarding audit committee memberships. The Board has identified Mr. Williams as the member of the Audit Committee who qualifies as an "audit committee financial expert" under applicable SEC rules and regulations governing the composition of the Audit Committee.

Changes in Nominating Procedures

        There have been no material changes to the procedures by which security holders may recommend nominees to our Board that were implemented since we last disclosed such procedures.

Section 16(a) Beneficial Ownership Reporting Compliance

        Under the federal securities laws, our directors and officers and any persons holding more than 10% of our common stock are required to report their ownership of our common stock and any changes in that ownership to the SEC. Specific due dates for these reports have been established, and we are required to report any failure to file by such dates. For the fiscal year ended March 31, 2016 ("Fiscal 2016"), the Form 4 reports for option grants for 75,000, 75,000, 20,000 and 75,000 shares of common stock, respectively, for Messrs. Thomas Blair, Todd Kreter, Ramin Massoumi, and Andrew Schmidt were not filed within two business days of the November 2, 2015 grant date. Based solely on our review of copies of the reports on Forms 3, 4 and 5 received by us during or with respect to the fiscal year ended March 31, 2016 and written representations received from the reporting persons that no other reports were required, except as indicated in the foregoing sentence, we believe that all directors, executive officers and persons who own more than 10% of our common stock have complied with the reporting requirements of Section 16(a) and have filed all reports required by such section.

ITEM 11.    EXECUTIVE COMPENSATION

Summary Compensation Table

        The following table shows information regarding the compensation earned for the fiscal year ended March 31, 2015 ("Fiscal 2015") and Fiscal 2016 by (i) our Chief Executive Officer, (ii) our former interim Chief Executive Officer and (iii) our two most highly compensated executive officers (other than our Chief Executive Officer) who were serving as executive officers as of March 31, 2016. The

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officers listed below are collectively referred to as the "named executive officers" or "NEOs" in this report.

Plan-Based Bonuses

        For Fiscal 2016, the potential compensation for Messrs. Bergera, Schmidt and Kreter included an annual cash bonus based upon criteria established by the Compensation Committee for such fiscal year.

        Under his employment agreement, Mr. Bergera was provided a target bonus opportunity of $150,000 (not including his signing bonus of $150,000), subject to attainment of specified corporate performance goals and Mr. Bergera's achievement of strategic objectives that were qualitative in nature and were established by the Compensation Committee. The objectives for Mr. Bergera generally

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included strategic assessment of the market and operations of the Company's business units, the design and implementation of forecasts, restructuring of the corporate marketing function and implementing a new role to drive the ITS/connected vehicle strategy. Mr. Bergera's bonus was based 40% on our total revenue and operating income goals (as described in more detail below) and 60% on his achievement of his strategic objectives.

        For Mr. Schmidt, his bonus was based 60% on our total revenue and operating income goals, 20% on revenue and operating income goals for our Performance Analytics segment, and 20% on achieving certain objectives related to staff recruitment and development, as well as strategic financial planning for the Company.

        For Mr. Kreter, his bonus was based 35% on our total revenue and operating income goals, 45% on revenue and operating income goals for our Roadway Sensors segment, and 20% on achieving certain objectives with respect to the Roadway Sensors segment, including development and enhancement of products, new customer development, and revamping the international strategy and distribution channel.

        The corporate and business unit performance targets for the annual cash bonuses for Messrs. Bergera, Schmidt and Kreter for Fiscal 2016 were as follows:

        The target bonus opportunities for Fiscal 2016 based on the above criteria were as follows: Mr. Bergera—$150,000; Mr. Schmidt—$125,000; and Mr. Kreter—$137,500. If our performance for Fiscal 2016 exceeded the revenue and operating income targets set for bonus purposes, the executives could have earned an additional bonus of up to 50% of the target bonus award that was not based upon achieving individual objectives. The full 50% additional bonus would have been earned by the NEOs if the Company had achieved the revenue and operating income goals set forth under the "Maximum" column above. If the Company had achieved revenue and operating income which were less than the goals set forth under the "Maximum" column but more than the amounts set forth under the "Target" column, the additional bonus payable would have been proportional, or based on the level of the Maximum goal achieved when measured from the Target amount. For example, if the performance had exceeded the Target goal by 25% of the difference between the Maximum and Target amounts, then 25% of the 50% additional bonus relating to such performance goal would have been payable.

        In Fiscal 2016, our revenue and operating results for the Company and for the relevant business units for bonus purposes were as follows: Corporate Revenue—$77.7 million; Corporate Operating Loss—$(3.5) million; Roadway Sensors Revenue—$40.3 million; Roadway Sensors Operating Income—$4.8 million; Performance Analytics Revenue—$5.2 million; and Performance Analytics Operating Loss—$(9.3) million. As a percentage of the targets set for bonus purposes, the results were as follows:

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Corporate Revenue—91.1%; Corporate Operating Income—0%; Roadway Sensors Revenue—102.2%; Roadway Sensors Operating Income—93.2%; Performance Analytics Revenue—0%; and Performance Analytics Operating Income—0%. For bonus purposes, segment operating income results include certain corporate allocations. Accordingly, based upon the above described criteria, bonuses in the following amounts were approved for Fiscal 2016: Mr. Bergera—$63,080; Mr. Schmidt—$40,369; and Mr. Kreter—$85,296.

Outstanding Equity Awards at Fiscal Year-End

        The following table sets forth the outstanding equity awards held by each named executive officer as of March 31, 2016.

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Employment Contracts; Termination of Employment and Change of Control Arrangements

        We do not currently have any employment contracts in effect with any of our named executive officers other than the agreements described below. We provide incentives such as salary, benefits, option grants and RSUs to attract and retain executive officers and other key associates. The plan administrator of the 2007 Omnibus Incentive Plan has the discretion to determine whether outstanding equity awards held by our NEOs are to vest upon a qualifying termination of employment following certain changes in control of the Company, or upon such change in control, but we do not provide for any automatic "single trigger" acceleration of equity awards upon a change in control (other than the option grant received by Dr. Daly in connection with his service as a non-employee director). Other than as noted in this section, there is no agreement or policy which would automatically entitle any named executive officer to severance payments or any other compensation as a result of such officer's termination.

Agreement with Joe Bergera

        In connection with his hiring, we entered into an employment agreement with Joe Bergera, our Chief Executive Officer, dated September 8, 2015, pursuant to which Mr. Bergera will receive an annual base salary of $385,000, which may be increased from time to time at the discretion of the Compensation Committee. Mr. Bergera will also be eligible to participate in our executive bonus plan as then in effect and his potential bonus for each year will be established annually by the Board or a committee of the Board, provided that the bonus potential for Fiscal 2016 will be $300,000, of which $150,000 was a signing bonus payable on January 31, 2016 provided that Mr. Bergera was employed by the Company as of such date. The agreement is for an initial term of three years and will renew for successive one year periods until September 2025 unless either we or Mr. Bergera provides written notice of non-renewal at least 30 days prior to the end of the initial term or renewal term, as applicable.

        Pursuant to the agreement, Mr. Bergera also received an option grant under our 2007 Omnibus Incentive Plan to purchase up to 1,350,000 shares of our common stock (the "Option"). The Option will vest in equal annual installments over four years and has an exercise price equal to the closing sales price of our common stock on the date of grant of the Option.

        If during the initial term of the agreement or any renewal term, Mr. Bergera's employment with the Company is terminated without Cause (as such term is defined in the agreement), Mr. Bergera will be entitled to receive (i) salary continuation payments for 12 months following his termination, (ii) a lump sum payment equal to the pro-rated portion of his target bonus established by the Compensation Committee for the fiscal year in which his employment is terminated and (iii) reimbursement for the cost of COBRA coverage for a period of up to 12 months following the termination. If Mr. Bergera is terminated without Cause or resigns for Good Reason within 12 months following a Change in Control (as such terms are defined in the agreement) (such termination or resignation, a "CIC Termination"), Mr. Bergera will be entitled to receive (i) a lump sum payment equal to 125% of his base salary as then in effect, (ii) a lump sum payment equal to the pro-rated portion of his target bonus established by the Compensation Committee for the fiscal year in which the CIC Termination occurs, (iii) reimbursement for the cost of COBRA coverage for a period of up to 12 months following the CIC Termination, and (iv) acceleration of the vesting of the Option. In addition, upon termination of his employment due to death, Mr. Bergera's estate or beneficiaries will be entitled to receive salary continuation payments in the aggregate equal to 50% of his then current base salary.

Agreement with Andrew Schmidt

        We entered into an employment agreement dated March 9, 2015 with Andrew Schmidt, our Chief Financial Officer, in connection with his hiring. Pursuant to the agreement, Mr. Schmidt will receive an

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annual base salary of $325,000, which may be increased from time to time at the discretion of the Board or the Compensation Committee. He will also be eligible to participate in our executive bonus plan as then in effect and his potential bonus for each year will be established annually by the Board or the Compensation Committee, provided that the bonus potential for Fiscal 2016 was to be $125,000. The agreement will have an initial term of two years and will renew for successive one year periods until March 2025 unless either the Company or Mr. Schmidt provides written notice of non-renewal at least 30 days prior to the end of the initial term or renewal term, as applicable. If during the initial term of the agreement or any renewal term, Mr. Schmidt's employment with the Company is terminated without Cause or he resigns from the Company for Good Reason (as such terms are defined in the agreement), Mr. Schmidt will be entitled to salary continuation payments for six months following his termination in an aggregate amount of up to 50% of his annual base salary as then in effect. In addition, Mr. Schmidt will be entitled to receive reimbursement for the cost of COBRA coverage for a period of up to six months following such termination.

Director Compensation

        Directors who are not employees of Iteris or any of its subsidiaries receive an annual retainer of $28,000 per year, paid quarterly, with the Chairman of the Board receiving an additional $10,000 per year. No additional amounts are paid for attending meetings. In addition, each non-employee director who serves on a Board committee receives the following annual amounts, paid quarterly: Audit Committee—$2,500 ($5,000 for the Chair); Compensation Committee—$1,500 ($3,000 for the Chair); Nominating and Governance Committee—$1,000 ($2,000 for the Chair); ad hoc committees—$500 ($1,000 for the Chair). All directors are reimbursed for their out-of-pocket expenses incurred in attending meetings of our Board of Directors and its committees.

        Non-employee directors are also eligible to receive periodic option grants pursuant to the Directors' Automatic Option Grant Program under our 2007 Omnibus Incentive Plan. Under that plan, each non-employee director receives an option to purchase 20,000 shares of common stock upon his initial appointment to the Board of Directors and an additional option to purchase 10,000 shares of common stock on the date of each annual meeting provided he has served on the Board for at least six months as of such annual meeting. Each such option is immediately exercisable for any or all of the option shares, but the shares acquired are subject to repurchase by the Company at the exercise price paid per share if the optionee ceases service with the Company prior to vesting in those shares. Each option vests in full upon the optionee's completion of one year of service measured from the grant date. However, the vesting of each such option will accelerate in full upon certain changes in control of the Company or upon the optionee's death or disability while a director. Each option granted to non-employee directors under the Directors' Automatic Option Grant Program will have an exercise price equal to the fair market value of the common stock on the grant date and a maximum term of ten years, subject to earlier termination following the optionee's cessation of service as a Board member. Following the optionee's cessation of Board service for any reason, each option will remain exercisable for a 12-month period and may be exercised during that time for any or all shares in which the optionee is vested at the time of such cessation of service as a director.

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        The following table sets forth a summary of the compensation earned in Fiscal 2016 by each person who served as a director during such year, who is not a named executive officer.

Indemnification of Directors and Officers

        Under Section 145 of the Delaware General Corporation Law, we can indemnify our directors and officers against liabilities they may incur in such capacities, including liabilities under the Securities Act of 1933, as amended. Our certificate of incorporation and bylaws provide that we will indemnify our directors and officers to the fullest extent permitted by law, and our bylaws require us to advance litigation expenses upon receipt of an undertaking by the director or officer to repay such advances if it is ultimately determined that the director or officer is not entitled to indemnification. The bylaws further provide that rights conferred under such bylaws do not exclude any other right such persons may have or acquire under any bylaw, agreement, vote of stockholders or disinterested directors or otherwise.

        Our certificate of incorporation provides that, pursuant to Delaware law, our directors shall not be liable for monetary damages for breach of the directors' fiduciary duty of care to us and our stockholders. This provision in the certificate of incorporation does not eliminate the duty of care, and in appropriate circumstances equitable remedies such as injunctive or other forms of non-monetary relief will remain available under Delaware law. In addition, each director will continue to be subject to liability for breach of the director's duty of loyalty to us or our stockholders, for acts or omissions not in good faith or involving intentional misconduct or knowing violations of law, for actions leading to improper personal benefit to the director, and for payment of dividends or approval of stock repurchases or redemptions that are unlawful under Delaware law. The provision also does not affect a director's responsibilities under any other law, such as the federal securities laws or state or federal environmental laws.

        We have entered into agreements to indemnify certain of our directors and officers in addition to the indemnification provided for in the certificate of incorporation and bylaws. These agreements, among other things, indemnify such directors and officers for certain expenses (including attorneys' fees), judgments, fines and settlement amounts incurred by such person in any action or proceeding, including any action by or in the right of the Company, on account of services as a director or officer of Iteris, or as a director or officer of any other company or enterprise to which the person provides services at our request.

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ITEM 12.    SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

Principal Stockholders and Common Stock Ownership of Certain Beneficial Owners and Management

        The following table sets forth, as of July 15, 2016, the number and percentage ownership of our common stock by (i) all persons known to us to beneficially own more than 5% of the outstanding common stock, (ii) each of the named executive officers, (iii) each of our directors, and (iv) all of our executive officers and directors as a group. To our knowledge, except as otherwise indicated, each of the persons named in this table has sole voting and investment power with respect to the common stock shown as beneficially owned, subject to community property and similar laws, where applicable.

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Equity Compensation Plans

        The following table provides information as of March 31, 2016 with respect to shares of our common stock that may be issued under existing equity compensation plans.

ITEM 13.    CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

Certain Transactions

        Since April 1, 2014, other than the agreements and transactions described in "Item 11. Executive Compensation" and the transactions described below, there has not been, nor is there any proposed transaction, where we (or any of our subsidiaries) were or will be a party in which the amount involved exceeded or will exceed the lesser of $120,000 or the average of our total assets at year-end for the last two fiscal years and in which any director, director nominee, executive officer, holder of more than 5% of any class of our voting securities, or any member of the immediate family of any of the foregoing persons had or will have a direct or indirect material interest.

        We previously subleased office space to Maxxess Systems, Inc. ("Maxxess"), one of our former subsidiaries that we sold in September 2003 and is currently owned by an investor group that includes one of our directors, who is also a director of Maxxess and previously served as its CEO. The sublease terminated in September 2007, at which time Maxxess owed us an aggregate of $274,000 related to this sublease and certain ancillary corporate services that we provided to Maxxess. In August 2009, Maxxess executed a promissory note payable to us for $274,000. On July 23, 2013, the promissory note with Maxxess was amended and restated. The amended and restated note bears interest at a rate of 6% per annum, compounded annually, with accrued interest to be paid quarterly on the first business day of each calendar quarter. Payments under the amended and restated note may only be made in cash and all amounts outstanding will become due and payable on the earliest of (i) August 10, 2016, (ii) a change of control in Maxxess or (iii) a financing by Maxxess resulting in gross proceeds of at least $10 million. As of March 31, 2016, approximately $219,000 of the original principal balance was outstanding and payable to us. For each of the fiscal years ended March 31, 2016 and 2015, interest payments totaling approximately $14,000 and $16,000, respectively, were made by Maxxess. We have

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previously fully reserved for amounts owed to us by Maxxess and all outstanding principal remains fully reserved.

Director Independence

        The Board of Directors has determined that each of Messrs. Char, Daly, Miner, Mooney, Thomas and Williams satisfies the requirements for "independence" using the standards established by Nasdaq, except that Dr. Daly did not qualify as an independent director while he was serving as our interim Chief Executive Officer from February 2015 to September 2015.

ITEM 14.    PRINCIPAL ACCOUNTING FEES AND SERVICES

Principal Accountant Fees

        Deloitte & Touche LLP ("Deloitte") was engaged by us as our principal accountant in October 2015, beginning with the review of our consolidated financial statements for the second quarter of Fiscal 2016, and rendered the audit opinion on our consolidated financial statements for Fiscal 2016.

        The audit fees billed by Deloitte for Fiscal 2016 totaled $525,000. Audit fees consist of fees for professional services rendered in connection with the audit of our annual consolidated financial statements for the applicable fiscal year and review of the consolidated financial statements included in our quarterly reports on Form 10-Q and other regulatory filings for such fiscal year. There were no other fees billed to us by Deloitte for Fiscal 2016.

Audit Committee Pre-Approval Policies and Procedures

        All engagements for services by Deloitte or other independent registered public accountants are subject to prior approval by the Audit Committee; however, de minimis non-audit services may instead be approved in accordance with applicable SEC rules. The prior approval of the Audit Committee was obtained for all services provided by Deloitte for Fiscal 2016.

PART IV

ITEM 15.    EXHIBITS, FINANCIAL STATEMENT SCHEDULES

(a)

(1)-(2)    The financial statements and required financial statement schedules are included in the Original Filing.

(3)

Exhibits

        The exhibits listed on the accompanying Exhibit Index are filed as part of this report.

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SIGNATURES

        Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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Exhibit Index

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QuickLinks

EXPLANATORY NOTE
PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE
ITEM 11. EXECUTIVE COMPENSATION

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS
ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE
ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

PART IV

ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

SIGNATURES
Exhibit Index