CURIS Insider Duvall Files Form 4 on March 23, 2026

TL;DR

**CURIS insider Duvall filed a Form 4, signaling a change in their stock ownership.**

AI Summary

Diantha Duvall, a reporting insider, filed a Form 4 on March 23, 2026, indicating a change in beneficial ownership of securities for CURIS INC. (CIK: 0001108205). While the filing details aren't fully provided in the snippet, a Form 4 typically reports transactions like stock purchases, sales, or option exercises by company insiders. This matters to investors because insider activity can signal management's confidence (or lack thereof) in the company's future prospects, potentially influencing stock price movements.

Why It Matters

Insider transaction filings like this provide transparency into how company executives and directors are managing their personal holdings, which can be a leading indicator for the stock's future performance.

Risk Assessment

Risk Level: low — This filing is a routine disclosure of insider activity and does not inherently indicate high risk without transaction details.

Analyst Insight

Investors should look for the full Form 4 document to understand the specific transactions (e.g., buy, sell, grant) made by Diantha Duvall, as this will provide more actionable insight into insider sentiment regarding CURIS INC. stock.

Key Players & Entities

• Duvall Diantha (person) — Reporting insider
• CURIS INC. (company) — Issuer of securities
• 0001696784 (person) — CIK for Duvall Diantha
• 0001108205 (company) — CIK for CURIS INC.
• 2026-03-23 (date) — Filing Date

FAQ

Key Financial Figures

• $1,000.00 — rities were sold at a purchase price of $1,000.00 per Security to the Reporting Person.

Filing Documents

• wk-form4_1774296203.html (4)
• wk-form4_1774296203.xml (4) — 6KB
• 0001108205-26-000038.txt ( ) — 7KB

From the Filing

SEC FORM 4 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. 1. Name and Address of Reporting Person * Duvall Diantha (Last) (First) (Middle) 128 SPRING STREET BUILDING C - SUITE 500 (Street) LEXINGTON MASSACHUSETTS 02421 (City) (State) (Zip) UNITED STATES (Country) 2. Issuer Name and Ticker or Trading Symbol CURIS INC [ CRIS ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) CFO 2a. Foreign Trading Symbol 3. Date of Earliest Transaction (Month/Day/Year) 03/20/2026 6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person 4. If Amendment, Date of Original Filed (Month/Day/Year) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/20/2026 C 66,666 A (1) 77,707 D Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Series B Convertible Preferred Stock (1) 03/20/2026 C 50 (1) (1) Common Stock 66,666 (1) 0 D Explanation of Responses: 1. Each share of Series B Convertible Non-Redeemable Preferred Stock ("Series B Preferred Stock") automatically converted into 1,333.33 shares of Common Stock, for no additional consideration, at 5 p. m. Eastern Time on March 20, 2026, subject to the terms of the Certificate of Designations, Preferences and Rights of Series B Convertible Non-Redeemable Preferred Stock of Curis, Inc. (the "Certificate of Designations") and subject to the applicable Beneficial Ownership Limitations (as defined in the Certificate of Designations). Each share of Series B Preferred Stock was sold together with a Series A Warrant to purchase 1,333.33 shares of Common Stock, a Series B Warrant to purchase 1,333.33 shares of Common Stock and a Series C Warrant to purchase 1,333.33 shares of Common Stock (collectively, a "Security"). The Securities were sold at a purchase price of $1,000.00 per Security to the Reporting Person. Remarks: /s/ Diantha Duvall 03/23/2026 ** Signature of Reporting Person Date Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 4 (b)(v). ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. * Form 4: SEC 1474 (03-26)

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View this 4 filing on SEC EDGAR