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Thomas A. Satterfield, Jr., the reporting person, reported beneficial ownership of 616,565 Curis, Inc. (CRIS) shares, or 8.8%. He reported 326,500 common shares and 290,065 warrants; the reported share amount assumes exercise of all listed warrants. The percentage is based on Curis’s 6,679,229 common shares outstanding as of October 26, 2026.
The warrants may not be exercised if doing so would cause Satterfield and his affiliates to exceed 9.99% beneficial ownership after the shares are issued. He reported sole voting and dispositive power over 131,725 shares and shared voting and dispositive power over 484,840 shares.
Key Figures
Beneficial ownership:616,565 sharesOwnership percentage:8.8%Common shares:326,500 shares+4 more
7 metrics
Beneficial ownership616,565 sharesReported amount; assumes exercise of all listed warrants
Ownership percentage8.8%Based on 6,679,229 common shares outstanding as of October 26, 2026
Common shares326,500 sharesCommon shares identified in the beneficial ownership disclosure
Warrants290,065 warrantsWarrants included in the reported beneficial ownership
Warrant exercise limit9.99%Exercise barred if it would cause Satterfield and affiliates to exceed this beneficial ownership percentage
Sole voting and dispositive power131,725 sharesReported power over Curis common shares
Shared voting and dispositive power484,840 sharesReported power over Curis common shares
Key Terms
Beneficial ownership, Sole Voting Power, Shared Voting Power, Warrants
4 terms
Beneficial ownershipfinancial
"Amount beneficially owned"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
Sole Voting Powerfinancial
"Sole Voting Power 131,725.00"
Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.
Shared Voting Powerfinancial
"Shared Voting Power 484,840.00"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
Warrantsfinancial
"290,065 warrants with a 9.99% limit on the exercise"
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.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many CRIS shares does Thomas A. Satterfield beneficially own?
Thomas A. Satterfield reported beneficial ownership of 616,565 shares, or 8.8%, assuming exercise of all listed warrants. Curis had 6,679,229 common shares outstanding as of October 26, 2026, the share count cited as the basis for the percentage.
Which entities hold shares and warrants attributed to Thomas A. Satterfield?
Tomsat Investment & Trading Co., Inc., wholly owned by Satterfield, held 100,500 common shares and 88,822 shares issuable upon warrant exercise. A.G. Family L.P., managed by a general partner controlled by Satterfield, held 150,500 common shares and 145,018 shares issuable upon warrant exercise.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 4)
Curis, Inc.
(Name of Issuer)
Common Stock, par value $0.01 per share
(Title of Class of Securities)
(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 No.
1
Names of Reporting Persons
Thomas A. Satterfield, Jr.
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
131,725.00
6
Shared Voting Power
484,840.00
7
Sole Dispositive Power
131,725.00
8
Shared Dispositive Power
484,840.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
616,565.00
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)
8.8 %
12
Type of Reporting Person (See Instructions)
IN
Comment for Type of Reporting Person: * Based on 6,679,229 shares of common stock of the issuer outstanding as of October 26, 2026, as reported by the issuer in its Definitive Proxy Statement on Schedule 14A filed on November 2, 2026. The Reporting Person may be deemed to beneficially own (i) 326,500 shares of common stock and (ii) 290,065 warrants with a 9.99% limit on the exercise of such warrants (consisting of common stock warrants, Series A warrants, Series B warrants and Series C warrants). All of the warrants provide that the holder will not have a right to exercise the warrants for common stock if, as a result of such exercise, the holder, together with his affiliates, would exceed 9.99% beneficial ownership of the number of shares of common stock outstanding immediately after giving effect to the issuance of the shares of common stock issuable upon such exercise. The share numbers set forth herein represent the number of shares of common stock held by the Reporting Person and assume the exercise of all of the warrants described above.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Curis, Inc.
(b)
Address of issuer's principal executive offices:
128 Spring Street, Building C - Suite 500, Lexington, MA 02421
Item 2.
(a)
Name of person filing:
Thomas A. Satterfield, Jr.
(b)
Address or principal business office or, if none, residence:
15 Colley Cove Drive
Gulf Breeze, Florida 32561
(c)
Citizenship:
Incorporated by reference from Item 4 of the Cover Page.
(d)
Title of class of securities:
Common Stock, par value $0.01 per share
(e)
CUSIP No.:
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:
Incorporated by reference from Item 9 of the Cover Page.
(b)
Percent of class:
Incorporated by reference from Item 11 of the Cover Page.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Incorporated by reference from Item 5 of the Cover Page.
(ii) Shared power to vote or to direct the vote:
Incorporated by reference from Item 6 of the Cover Page.
(iii) Sole power to dispose or to direct the disposition of:
Incorporated by reference from Item 7 of the Cover Page.
(iv) Shared power to dispose or to direct the disposition of:
Incorporated by reference from Item 8 of the Cover Page.
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
With respect to the beneficial ownership reported for Thomas A. Satterfield, Jr., 100,500 shares of common stock and 88,822 shares of common stock issuable upon the exercise of warrants are held by Tomsat Investment & Trading Co., Inc., a corporation wholly owned by Mr. Satterfield and of which he serves as President; and 150,500 shares of common stock and 145,018 shares of common stock issuable upon exercise of warrants are held by A.G. Family L.P., a partnership managed by a general partner controlled by Mr. Satterfield.
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 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.
