As filed with the Securities and Exchange Commission on February 25, 2015

Registration Statement No. 333-            

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM S-1

REGISTRATION STATEMENT

UNDER THE SECURITIES ACT OF 1933

GREAT BASIN SCIENTIFIC, INC.

(Exact name of registrant as specified in its charter)

2441 South 3850 West

Salt Lake City, UT 84120 

(801) 990-1055

(Address and telephone number of registrant’s principal executive offices)

Ryan Ashton

Chief Executive Officer

Great Basin Scientific, Inc.

2441 South 3850 West

Salt Lake City, UT 84120 

(801) 990-1055

(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:

Approximate date of commencement of proposed sale to the public: As soon as practicable after the effective date of this registration statement.

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933 check the following box:  x

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  x  333-201596

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ¨

If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ¨

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 the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

The registrant is an “emerging growth company,” as defined in Section 2(a) of the Securities Act of 1933, as amended. This registration statement complies with the requirements that apply to an issuer that is an emerging growth company.

CALCULATION OF REGISTRATION FEE

This Registration Statement shall become effective upon filing in accordance with Rule 462(b) under the Securities Act of 1933, as amended.

Explanatory Note

This registration statement is being filed pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and includes the registration statement facing page, this page, the signature page, an exhibit index, an opinion of counsel regarding the legality of the securities being registered and a related consent, and the consent of the Company’s independent registered public accounting firm. This registration statement relates to our registration statement on Form S-1 (File No. 333-201596), as amended, including the exhibits and power of attorney thereto (the “Initial Registration Statement”), initially filed by the Company on January 20, 2015 and declared effective by the Securities and Exchange Commission (the “Commission”) on February 25, 2015. We are filing this registration statement for the sole purpose of increasing the proposed maximum aggregate offering price of Units and Units underlying the Unit Purchase Option offered by us by $3,995,200 and $249,700 respectively. Pursuant to Rule 462(b), the contents of the Initial Registration Statement are incorporated by reference into this registration statement.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant has duly caused this Registration Statement on Form S-1 to be signed on its behalf by the undersigned, thereunto duly authorized in the City of Salt Lake City, State of Utah, on the 25th of February, 2015.

Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed by the following persons in the capacities indicated and on the dates indicated.

II-6

EXHIBIT INDEX