If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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SCHEDULE 13D




Comment for Type of Reporting Person:
Comment relating to rows 8, 10, and 11: Includes warrants (the "Warrants") to purchase up to an aggregate of 15,488,570 shares of common stock, par value $0.01 per share (the "Shares"), of Outlook Therapeutics, Inc., a Delaware corporation (the "Issuer"). Comment relating to row 13: This percentage is calculated based upon 148,587,119 Shares outstanding immediately following the May 2026 Offering (as defined below), based on the Issuer's prospectus supplement relating to the May 2026 Offering filed with the Securities and Exchange Commission (the "SEC") on May 29, 2026, plus 15,488,570 Shares underlying the Warrants.


SCHEDULE 13D




Comment for Type of Reporting Person:
Comment relating to rows 8, 10, and 11: Includes Warrants to purchase up to an aggregate of 15,488,570 Shares. Comment relating to row 13: This percentage is calculated based upon 148,587,119 Shares outstanding immediately following the May 2026 Offering, based on the Issuer's prospectus supplement relating to the May 2026 Offering filed with the SEC on May 29, 2026, plus 15,488,570 Shares underlying the Warrants.


SCHEDULE 13D


 
GMS Ventures & Investments
 
Signature:/s/ Lawrence A. Kenyon
Name/Title:Lawrence A. Kenyon, Attorney-in-fact
Date:06/01/2026
 
SUKHTIAN GHIATH M.
 
Signature:/s/ Lawrence A. Kenyon
Name/Title:Lawrence A. Kenyon, Attorney-in-fact
Date:06/01/2026
 Exhibit 1
 
JOINT FILING AGREEMENT
 
We, the undersigned, hereby agree that the attached Amendment No. 6 to the Schedule 13D, dated June 1, 2026, with respect to the common stock, par value $0.01 per share, of Outlook Therapeutics, Inc. is, and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities and Exchange Act of 1934, as amended. Each of the undersigned agrees to be responsible for the timely filing of the Schedule 13D, and for the completeness and accuracy of the information concerning itself contained therein.

This agreement may be terminated with respect to the obligations to jointly file future amendments to such statement on Schedule 13D as to any of the undersigned upon such person giving written notice thereof to each of the other persons signatory hereto, at the principal office thereof.

This agreement supersedes any prior joint filing agreements by and among any of the undersigned with respect to the securities of Outlook Therapeutics, Inc. 

IN WITNESS WHEREOF, the undersigned have executed this Agreement as of the 1st day of June, 2026.
 
Dated: June 1, 2026
GMS Ventures and Investments
 
 
 
 
 
By:
/s/ Lawrence A. Kenyon
 
 
Name: Lawrence A. Kenyon
 
 
Title: Attorney-in-Fact
 
 
 
 
Ghiath M. Sukhtian
 
 
 
 
 
By:
/s/ Lawrence A. Kenyon
 
 
Name: Lawrence A. Kenyon
 
 
Title: Attorney-in-Fact