Pete O'heeron - Mar 26, 2025 Form 4 Insider Report for FibroBiologics, Inc. (FBLG)

Role: CHIEF EXECUTIVE OFFICER, Director
Signature: /s/ Ruben A. Garcia, by Power of Attorney
Stock symbol: FBLG
Transactions as of: Mar 26, 2025
Transactions value $: $0
Form type: 4
Date filed: 3/28/2025, 04:10 PM
Previous filing: Mar 4, 2025
SEC: View on sec.gov

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	FBLG	Stock Option (Right to Buy)	Award	$0	+453K		$0.00	453K	Mar 26, 2025	Common Stock	453K	$1.04	Direct	F1

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

Explanation of Responses:

Id	Content
F1	On March 26, 2025, the reporting person was granted an option to purchase 453,000 shares of common stock. One fourth (1/4th) of the option shares shall vest on the one-year anniversary of the grant date, and the remaining balance of the option shares shall vest in 36 equal consecutive monthly installments thereafter until fully vested so long as the reporting person remains in continuous service through such applicable vesting periods.

Content

On March 26, 2025, the reporting person was granted an option to purchase 453,000 shares of common stock. One fourth (1/4th) of the option shares shall vest on the one-year anniversary of the grant date, and the remaining balance of the option shares shall vest in 36 equal consecutive monthly installments thereafter until fully vested so long as the reporting person remains in continuous service through such applicable vesting periods.