FDMT Form 4: CLO exercises 1,084 options; sells 2,678 shares

4D Molecular Therapeutics (FDMT) reported an insider transaction by its Chief Legal Officer.

Rhea-AI Filing Summary

4D Molecular Therapeutics (FDMT) reported an insider transaction by its Chief Legal Officer. On 10/24/2025, the officer exercised 1,084 stock options at $6.49 per share and sold 2,678 common shares at $12 per share under a Rule 10b5-1 plan adopted on June 6, 2025.

Following these transactions, the officer beneficially owned 3,594 common shares directly. The filing also shows 9,295 stock options beneficially owned after the reported activity, with the option grant expiring on 06/17/2032 and vesting monthly from the June 16, 2022 commencement date until the fourth anniversary.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 3 txns

Insider Bizily Scott

Role Chief Legal Officer

Sold 2,678 shs ($32K)

Approx. gross sale proceeds $32K

Approx. exercise cost $7K

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	1,084	$0.00	$0.00
Exercise	Common Stock	1,084	$6.49	$7K
Sale	Common Stock	2,678	$12.00	$32K

Holdings After Transaction: Stock Option (Right to Buy) — 9,295 contracts (Direct); Common Stock — 3,594 shares (Direct)

Footnotes (2)

1. F1. Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on June 6, 2025.
2. F2. The shares underlying the stock option award shall vest and become exercisable as to 1/48th of the underlying shares on each monthly anniversary of June 16, 2022 (the "Vesting Commencement Date") such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, while the grantee remains a service provider to the Company.

FAQ

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

What did FDMT’s insider report on the Form 4?

The Chief Legal Officer exercised 1,084 options at $6.49 and sold 2,678 shares at $12 on 10/24/2025.

How many FDMT shares does the insider own after the transactions?

The officer beneficially owns 3,594 common shares directly after the reported transactions.

Were the trades under a 10b5-1 plan for FDMT?

Yes. The transactions were made under a Rule 10b5-1 plan adopted on June 6, 2025.

What options remain after the FDMT transactions?

The filing shows 9,295 stock options beneficially owned after the activity, with an expiration date of 06/17/2032.

What is the vesting schedule of the FDMT option grant?

The grant vests 1/48 monthly from June 16, 2022, reaching full vesting on the fourth anniversary while service continues.

Who is the reporting person at FDMT on this Form 4?

An Officer, serving as Chief Legal Officer of 4D Molecular Therapeutics, Inc.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 10/27/2025 - 06:19 PM 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).

X

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^*

Bizily Scott

(Last) (First) (Middle)

C/O 4D MOLECULAR THERAPEUTICS, INC.

5858 HORTON STREET #455

(Street)

EMERYVILLE CA 94608

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
4D Molecular Therapeutics, Inc. [ FDMT ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
10/24/2025

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

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 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
Common Stock	10/24/2025		M		1,084	A	$6.49	6,272	D
Common Stock	10/24/2025		S		2,678	D	$12	3,594	D

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
Stock Option (Right to Buy)	$6.49	10/24/2025		M(1)			1,084	(2)	06/17/2032	Common Stock	1,084	$0	9,295	D

Explanation of Responses:

1. Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on June 6, 2025.

2. The shares underlying the stock option award shall vest and become exercisable as to 1/48th of the underlying shares on each monthly anniversary of June 16, 2022 (the "Vesting Commencement Date") such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, while the grantee remains a service provider to the Company.

	/s/ Scott Bizily	10/27/2025
	** 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.