Glenn Sblendorio - 05 Jan 2026 Form 3 Insider Report for 4D Molecular Therapeutics, Inc. (FDMT)

Role: Director
Signature: /s/ Scott Bizily as Attorney-in-Fact for Glenn Sblendorio
Issuer symbol: FDMT
Transactions as of: 05 Jan 2026
Net transactions value: $0
Form type: 3
Filing time: 07 Jan 2026, 21:10:20 UTC
Previous filing: 06 Jun 2025
Next filing: 20 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
SBLENDORIO GLENN	Director	C/O 4D MOLECULAR THERAPEUTICS, INC., 5858 HORTON STREET #455, EMERYVILLE	/s/ Scott Bizily as Attorney-in-Fact for Glenn Sblendorio	07 Jan 2026	0001277478

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
holding	FDMT	Stock Option (Right to Buy)							05 Jan 2026	Common Stock	11,250	$2.76	Direct	F1

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

Explanation of Responses:

Id	Content
F1	One-third of the shares subject to the option vest on the first anniversary measured from April 9, 2025 (the "Vesting Commencement Date"), and 1/36th of the total number of shares vest in twenty-four (24) successive and equal monthly installments thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the third anniversary of the Vesting Commencement Date.

Content

One-third of the shares subject to the option vest on the first anniversary measured from April 9, 2025 (the "Vesting Commencement Date"), and 1/36th of the total number of shares vest in twenty-four (24) successive and equal monthly installments thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the third anniversary of the Vesting Commencement Date.