Curis director granted options on 6,800 shares

Curis Inc. director Marc Rubin received a grant of stock options.

Rhea-AI Filing Summary

Curis Inc. director Marc Rubin received a grant of stock options. He was awarded non-qualified options covering 6,800 shares of Curis common stock at an exercise price of $5.29 per share. The options vest 100% on July 7, 2027 and expire on July 6, 2036.

Insider Trade Summary

Grant/Award: 6,800 shares

Grant/Award 1 txn

Insider Rubin Marc

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Non Qualified Stock Option	6,800	$5.29	$36K

Holdings After Transaction: Non Qualified Stock Option — 6,800 contracts (Direct)

Footnotes (1)

1. F1. The option grant described in this Form 4 filing vests as to 100% of the underlying shares on July 7, 2027.

Key Figures

Options granted: 6,800 options Exercise price: $5.29 per share Underlying shares: 6,800 shares +3 more

6 metrics

Options granted 6,800 options Non-qualified stock option grant to director Marc Rubin

Exercise price $5.29 per share Exercise price for underlying Curis common stock

Underlying shares 6,800 shares Curis common stock underlying the option grant

Vesting date July 7, 2027 100% of underlying shares vest on this date

Expiration date July 6, 2036 Option term end for this grant

Holdings after grant 6,800 options Total derivative securities following this transaction

Key Terms

Non Qualified Stock Option, exercise price, vests as to 100% of the underlying shares, expiration date

4 terms

Non Qualified Stock Option financial

"security_title: "Non Qualified Stock Option""

exercise price financial

"conversion_or_exercise_price: "5.2900" per share"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

vests as to 100% of the underlying shares financial

"The option grant described ... vests as to 100% of the underlying shares"

expiration date financial

"expiration_date: "2036-07-06T00:00:00.000Z""

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Curis (CRIS) report for Marc Rubin?

Curis reported that director Marc Rubin received a grant of non-qualified stock options covering 6,800 shares of Curis common stock. These options were awarded as a compensation-related acquisition, not an open-market share purchase or sale, and increase his potential future equity exposure.

What is the exercise price of Marc Rubin’s new Curis (CRIS) stock options?

The granted options have an exercise price of $5.29 per share. This means Rubin can buy Curis common stock at $5.29 once the options vest, if he chooses to exercise them, regardless of the market price at that future time.

When do Marc Rubin’s newly granted Curis (CRIS) options vest?

The option grant vests as to 100% of the underlying 6,800 shares on July 7, 2027. Before that vesting date, Rubin cannot exercise these options to purchase Curis common stock. Vesting aligns the award with longer-term service to the company.

When do Marc Rubin’s Curis (CRIS) stock options expire?

The non-qualified stock options granted to Marc Rubin expire on July 6, 2036. After this expiration date, any unexercised options become worthless and can no longer be used to purchase Curis common stock at the $5.29 exercise price.

How many Curis (CRIS) derivative securities does Marc Rubin hold after this Form 4?

After this transaction, Marc Rubin holds 6,800 non-qualified stock options directly, according to the filing. The derivative summary section shows no additional remaining derivative positions beyond this grant in the reported data.

Is Marc Rubin’s Curis (CRIS) Form 4 transaction a market buy or sell?

No, this Form 4 reflects a grant or award acquisition of stock options, not an open-market buy or sell of shares. The transaction code is “A,” indicating a compensation-related award rather than a discretionary trade in Curis stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/09/2026 - 04:12 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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^*

Rubin Marc

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/07/2026

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

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
Non Qualified Stock Option	$5.29	07/07/2026		A		6,800		(1)	07/06/2036	Common Stock	6,800	$5.29	6,800	D

Explanation of Responses:

1. The option grant described in this Form 4 filing vests as to 100% of the underlying shares on July 7, 2027.

Remarks:

Exhibit Index: 24.1 Power of Attorney

	/s/ Diantha Duvall, Attorney-in-fact	07/09/2026
	** 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)