Scott Bizily - 16 Sep 2026 Form 4 Insider Report for 4D Molecular Therapeutics, Inc. (FDMT)

Reporting relationship: Chief Legal Officer
Issuer ticker: FDMT
Reported as of: 16 Sep 2026
Net transaction value: -$22,318
SEC form: 4
Accepted by SEC: 22 Sep 2026, 18:43:22 UTC
Prior SEC filing: 03 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Scott Bizily

Key filing fact

Scott Bizily filed Form 4 for 4D Molecular Therapeutics, Inc. (FDMT) on 22 Sep 2026.

Key facts

This page summarizes Scott Bizily's Form 4 filing for 4D Molecular Therapeutics, Inc. (FDMT).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 22 Sep 2026, 18:43.

Change

Previous filing in this sequence was filed on 03 Sep 2026.
Current net transaction value: -$22,318.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001920738 Primary reporting owner

Bizily Scott

Relationship: Chief Legal Officer
Address: C/O 4D MOLECULAR THERAPEUTICS, INC., 5858 HORTON STREET #455, EMERYVILLE
Signature: /s/ Scott Bizily
Signature date: 22 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

FDMT transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,635
Change %: +19%
Price: $4.14^*
Shares after: 10,252
Date: 16 Sep 2026
Ownership: Direct

FDMT transaction

Common Stock

Sale

Transaction value: $22,318
Shares: -1,635
Change %: -16%
Price: $13.65
Shares after: 8,617
Date: 16 Sep 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

FDMT transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -1,635
Change %: -2.7%
Price: $0.000000^*
Shares after: 58,066
Date: 16 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,635
Exercise price: $4.14
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on January 13, 2026.

Footnote 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 March 6, 2025 (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.