Jonathan B. Zung - May 20, 2025 Form 4 Insider Report for CURIS INC (CRIS)

Role: CDO
Signature: /s/ Diantha Duvall, Attorney-in-fact
Stock symbol: CRIS
Transactions as of: May 20, 2025
Transactions value $: $422,550
Form type: 4
Date filed: 5/22/2025, 04:12 PM
Previous filing: Jan 30, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Zung Jonathan B.	CDO	128 SPRING STREET, BUILDING C - SUITE 500, LEXINGTON	/s/ Diantha Duvall, Attorney-in-fact	2025-05-22	0001837972

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CRIS	Employee stock option (right to buy)	Award	$423K	+135K		$3.13	135K	May 20, 2025	Common Stock	135K	$3.13	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This option grant, as disclosed in Curis Inc.'s 2025 proxy statement, was approved by the Board of Directors of Curis, Inc. on January 28, 2025, contingent upon shareholder approval of Curis's Amendment No. 1 to the Fifth Amended and Restated 2010 Stock Incentive Plan to increase the number of shares authorized for issuance thereunder; and further provided that such option would not be exercisable and no common stock would be issued thereunder, if Amendment No. 1 to the Fifth Amended and Restated 2010 Plan was not approved by Curis's shareholders. On May 20, 2025, at the 2025 annual meeting of shareholders, Curis's shareholders approved Amendment No. 1 to the Fifth Amended and Restated 2010 Plan.
F2	The option grant described in this Form 4 filing vests as to 25% of the original shares on January 28, 2026 and as to an additional 6.25% of the original shares each successive quarter and until January 28, 2029.

Content

This option grant, as disclosed in Curis Inc.'s 2025 proxy statement, was approved by the Board of Directors of Curis, Inc. on January 28, 2025, contingent upon shareholder approval of Curis's Amendment No. 1 to the Fifth Amended and Restated 2010 Stock Incentive Plan to increase the number of shares authorized for issuance thereunder; and further provided that such option would not be exercisable and no common stock would be issued thereunder, if Amendment No. 1 to the Fifth Amended and Restated 2010 Plan was not approved by Curis's shareholders. On May 20, 2025, at the 2025 annual meeting of shareholders, Curis's shareholders approved Amendment No. 1 to the Fifth Amended and Restated 2010 Plan.

The option grant described in this Form 4 filing vests as to 25% of the original shares on January 28, 2026 and as to an additional 6.25% of the original shares each successive quarter and until January 28, 2029.