Iambic Therapeutics director holds 66,556-share option

Vesting is scheduled to begin August 10, 2027, with 25% vesting then and 1/48th vesting monthly thereafter.

Rhea-AI Filing Summary

Iambic Therapeutics, Inc. director Samit Hirawat reported a directly held stock option covering 66,556 common shares, with an exercise price of $12.47 and an expiration date of August 31, 2036. Twenty-five percent of the shares subject to the option vest on August 10, 2027, and 1/48th vest monthly thereafter.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hirawat Samit

Role Director

Type	Security	Shares	Price	Value
holding	Stock Option (right to buy) F1	--	--	--

Holdings After Transaction: Stock Option (right to buy) — 66,556 contracts (Direct)

Footnotes (1)

1. F1. Twenty-five percent of the shares subject to the option vest on August 10, 2027 and 1/48th of the shares vest monthly thereafter.

Key Figures

Option underlying shares: 66,556 shares Exercise price: $12.47 Expiration date: August 31, 2036 +2 more

5 metrics

Option underlying shares 66,556 shares Directly held stock option for Iambic Therapeutics common stock

Exercise price $12.47 Directly held stock option

Expiration date August 31, 2036 Directly held stock option

Initial vesting portion 25% Vests on August 10, 2027

Monthly vesting installment 1/48th of the shares Vests monthly after August 10, 2027

Key Terms

Stock Option (right to buy), exercise price, vest

3 terms

Stock Option (right to buy) financial

"Stock Option (right to buy)"

exercise price financial

"conversion or exercise price"

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.

vest financial

"shares subject to the option vest"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

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

How many shares does Samit Hirawat's IAM stock option cover?

Samit Hirawat's directly held option covers 66,556 Iambic Therapeutics common shares.

What are the exercise price and expiration date of Samit Hirawat's IAM option?

The exercise price is $12.47, and the option expires on August 31, 2036.

When does Samit Hirawat's IAM option vest?

Twenty-five percent of the shares subject to the option vest on August 10, 2027, and 1/48th vest monthly thereafter.

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

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Available on EDGAR 10/15/2026 - 08:46 PM EDT Accepted by SEC EDGAR 10/14/2026 - 06:41 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Hirawat Samit

(Last) (First) (Middle)

C/O IAMBIC THERAPEUTICS, INC.

5627 OBERLIN DRIVE, SUITE 120

(Street)

SAN DIEGO CALIFORNIA 92121

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
10/14/2026

3. Issuer Name and Ticker or Trading Symbol
Iambic Therapeutics, Inc. [ IAM ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	(1)	08/31/2036	Common Stock	66,556	$12.47	D

Explanation of Responses:

1. Twenty-five percent of the shares subject to the option vest on August 10, 2027 and 1/48th of the shares vest monthly thereafter.

Remarks:

Exhibit 24.1 - Power of Attorney

	/s/ Sunny Chang, by power of attorney	10/12/2026
	** 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 5 (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 3: SEC 1473 (03-26)