STOCK TITAN

Director at FibroBiologics (FBLG) receives 30,803 new stock options

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

FibroBiologics, Inc. director Matthew Link received a grant of stock options covering 30,803 shares of common stock. The options have an exercise price of $0.7503 per share and expire on June 22, 2036. Following this grant, he holds options for 30,803 shares directly. The options vest in full on the earlier of the first anniversary of the grant date or the company’s next annual meeting.

Positive

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Negative

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Insider Link Matthew
Role Director
Type Security Shares Price Value
Grant/Award Stock Option (Right to Buy) 30,803 $0.00 --
Holdings After Transaction: Stock Option (Right to Buy) — 30,803 shares (Direct)
Footnotes (1)
  1. [object Object]
Option grant size 30,803 options Stock Option (Right to Buy) granted to director Matthew Link
Exercise price $0.7503 per share Exercise price of stock options on FibroBiologics common stock
Expiration date June 22, 2036 Option expiration date for the granted stock options
Underlying shares 30,803 shares Common stock underlying the granted options
Total options after grant 30,803 options Total derivative securities held following this transaction
Stock Option (Right to Buy) financial
"security_title: "Stock Option (Right to Buy)""
Grant, award, or other acquisition financial
"transaction_code_description: "Grant, award, or other acquisition""
exercise price financial
"conversion_or_exercise_price: "0.7503""
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.
vesting financial
"The options will vest in full upon the earlier of the first anniversary of the date of grant or the date of the next annual meeting"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

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

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SEC Form 4
FORM 4UNITED 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*
Link Matthew

(Last)(First)(Middle)
C/O FIBROBIOLOGICS, INC.
9350 KIRBY DRIVE., SUITE 300

(Street)
HOUSTON, TEXAS 77054

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
FibroBiologics, Inc. [ FBLG ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/23/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$0.750306/23/2026A30,803 (1)06/22/2036Common Stock30,803$030,803D
Explanation of Responses:
1. The options will vest in full upon the earlier of (i) the first anniversary of the date of grant or (ii) the date of the next annual meeting.
/s/ Ruben A. Garcia, by Power of Attorney06/23/2026
** Signature of Reporting PersonDate
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)