Exhibit 3.1(c)

CERTIFICATE OF

AMENDMENT TO THE

AMENDED AND RESTATED

CERTIFICATE OF INCORPORATION OF

JENSYN ACQUISITION CORP.

August 29, 2018

Jensyn Acquisition Corp., a corporation organized and existing under the laws of the State of Delaware (the “Corporation”), DOES HEREBY CERTIFY AS FOLLOWS:

1. The name of the Corporation is “Jensyn Acquisition Corp.” The original certificate of incorporation was filed with the Secretary of State of the State of Delaware on October 8, 2014 (the “Original Certificate”). The Amended and Restated Certificate of Incorporation (the “Amended and Restated Certificate”) was filed with the Secretary of State of the State of Delaware on March 1, 2016 and amended on March 6, 2018 and June 4, 2018

2. This Amendment to the Amended and Restated Certificate of Incorporation amends the Amended and Restated Certificate.

3. This Amendment to the Amended and Restated Certificate of Incorporation was duly adopted by the Board of Directors of the Corporation and the stockholders of the Corporation in accordance with Section 242 of the General Corporation Law of the State of Delaware.

4. The text of Paragraph H of Article SIXTH is hereby amended and restated to read in full as follows:

“H. In the event that the Corporation does not consummate a Business Combination by January 3, 2019 (the “Termination Date”), the Corporation shall (i) cease all operations except for the purposes of winding up, (ii) as promptly as reasonably possible but not more than ten business days thereafter, redeem 100% of the IPO Shares for cash for a redemption price per share as described below (which redemption will completely extinguish such holders’ rights as stockholders, including the right to receive further liquidation distributions, if any), and (iii) as promptly as reasonably possible following such redemption, subject to the approval of the Corporation’s then stockholders and subject to the requirements of the GCL, including the adoption of a resolution by the Board pursuant to Section 275(a) of the GCL finding the dissolution of the Corporation advisable and the provision of such notices as are required by said Section 275(a) of the GCL, dissolve and liquidate the balance of the Corporation’s net assets to its remaining stockholders, as part of the Corporation’s plan of dissolution and liquidation, subject (in the case of (ii) and (iii) above) to the Corporation’s obligations under the GCL to provide for claims of creditors and other requirements of applicable law. In such event, the per-share redemption price to be received by each holder of IPO Shares shall be equal to (1) the number of IPO Shares held by such holder divided by the total number of IPO Shares multiplied by (2) the amount then in the Trust Account.”

IN WITNESS WHEREOF, Jensyn Acquisition Corp. has caused this Amendment to the Amended and Restated Certificate to be duly executed in its name and on its behalf by an authorized officer as of the date first set above.