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Aptevo Therapeutics Inc. (APVO) is the issuer whose common stock is covered by a beneficial-ownership report from Ayrton Capital LLC, Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B, and Waqas Khatri. Each reports beneficial ownership of 69,965 shares issuable upon exercise of warrants, representing 3.72% as of September 30, 2026. The shares are held by the fund; Ayrton is its investment manager and Khatri is the manager’s managing member. The warrants are subject to a 9.99% beneficial ownership blocker. The percentage calculation uses 1,810,215 shares outstanding as of August 14, 2026, plus the 69,965 warrant shares.
Key Figures
Warrant shares beneficially owned:69,965 sharesReported ownership percentage:3.72%Beneficial ownership blocker:9.99%+1 more
4 metrics
Warrant shares beneficially owned69,965 sharesReported by each reporting person; the shares are held by the fund, as of September 30, 2026.
Reported ownership percentage3.72%Reported by each reporting person; calculated using outstanding shares plus warrant shares.
Beneficial ownership blocker9.99%Applies to the shares issuable upon exercise of the warrants.
Shares outstanding1,810,215 sharesAptevo common shares outstanding as of August 14, 2026.
Key Terms
Warrants, beneficial ownership blocker, sole dispositive power
3 terms
Warrantsfinancial
"shares issuable on the exercise of certain warrants"
Warrants are special documents that give you the right to buy a company's stock at a set price before a certain date. They are often used as a way for companies to attract investors or raise money, and their value can increase if the company's stock price goes up.
beneficial ownership blockerfinancial
"subject to a 9.99% beneficial ownership blocker"
A beneficial ownership blocker is a legal or structural device that prevents a shareholder from being treated as the ultimate owner of enough shares to trigger control, reporting, or voting thresholds. Think of it like a speed bump that stops an investor from reaching a stake size that would force corporate disclosure or change control rights. Investors care because it affects who controls the company, how shares vote, regulatory filings, takeover risk and therefore potential value or liquidity of their holdings.
sole dispositive powerfinancial
"Sole dispositive power 69,965.00"
Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many APVO shares are reported as beneficially owned?
Each of the three reporting persons reports 69,965 shares issuable upon exercise of warrants, representing 3.72% as of September 30, 2026. The shares are held by the fund.
How is the reported 3.72% APVO ownership calculated?
The calculation is based on 1,810,215 shares outstanding as of August 14, 2026 and 69,965 shares issuable upon exercise of the warrants.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
APTEVO THERAPEUTICS INC.
(Name of Issuer)
Common Stock, $0.001 par value per share
(Title of Class of Securities)
03835L702
(CUSIP Number)
09/30/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
03835L702
1
Names of Reporting Persons
Ayrton Capital LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
69,965.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
69,965.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
69,965.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
3.72 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
CUSIP Number(s):
03835L702
1
Names of Reporting Persons
Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
69,965.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
69,965.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
69,965.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
3.72 %
12
Type of Reporting Person (See Instructions)
CO
SCHEDULE 13G
CUSIP Number(s):
03835L702
1
Names of Reporting Persons
Waqas Khatri
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
69,965.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
69,965.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
69,965.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
3.72 %
12
Type of Reporting Person (See Instructions)
IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
APTEVO THERAPEUTICS INC.
(b)
Address of issuer's principal executive offices:
2401 4th Avenue, Suite 1050, Seattle, WA, 98121
Item 2.
(a)
Name of person filing:
(i) Ayrton Capital LLC; (ii) Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B; and (iii) Waqas Khatri
(b)
Address or principal business office or, if none, residence:
(i) Ayrton Capital LLC, 55 Post Rd West, 2nd Floor Westport, CT 06880; (ii) Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B, Suite #7 Grand Pavilion Commercial Centre, 802 West Bay Road, Grand Cayman, P.O. Box 10250, Cayman Islands; and (iii) Waqas Khatri 55 Post Rd West, 2nd Floor Westport, CT 06880
(c)
Citizenship:
(i) Ayrton Capital LLC: United States; (ii) Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B: Cayman Islands; and (iii) Waqas Khatri: United States
(d)
Title of class of securities:
Common Stock, $0.001 par value per share
(e)
CUSIP No.:
03835L702
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
Ayrton Capital LLC: 69,965; (ii) Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B: 69,965; and (iii) Waqas Khatri: 69,965. Represents 69,965 shares of Common Stock issuable on the exercise of certain warrants (the "Warrants") held by the Reporting Persons. The issuable shares of Common Stock related to the exercise of the Warrants are subject to a 9.99% beneficial ownership blocker. The shares reported herein represent Common Stock of Aptevo Therapeutics, Inc. (the "Issuer") held by Alto Opportunity Master Fund, SPC- Segregated Master Portfolio B, a Cayman Islands exempted company (the "Fund"). The Fund is a private investment vehicle for which Ayrton Capital LLC, a Delaware limited liability company (the "Investment Manager"), serves as the investment manager. Waqas Khatri serves as the managing member of the Investment Manager (all of the foregoing, collectively, the "Reporting Persons").
(b)
Percent of class:
The percentages below are based on (i) 1,810,215 shares of Common Stock of the Issuer that were outstanding as of August 14, 2026; and (ii) 69,965 shares of Common Stock issuable on the exercise of the Warrants held by the Reporting Persons. The amount of shares outstanding was based upon a statement in the Issuer's Prospectus dated September 3, 2026. For the sake of clarity, the holdings of the Reporting Persons reported herein are as of September 30, 2026. (i) Ayrton Capital LLC: 3.72%; (ii) Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B: 3.72%; and (iii) Waqas Khatri: 3.72%.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
(i) Ayrton Capital LLC: 69,965; (ii) Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B: 69,965; and (iii) Waqas Khatri: 69,965
(ii) Shared power to vote or to direct the vote:
(i) Ayrton Capital LLC: 0; (ii) Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B: 0; and (iii) Waqas Khatri: 0
(iii) Sole power to dispose or to direct the disposition of:
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Ayrton Capital LLC
Signature:
/s/ Waqas Khatri
Name/Title:
Waqas Khatri / Managing Member
Date:
11/12/2026
Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B
