Jason Coloma V - 01 Sep 2026 Form 4 Insider Report for Maze Therapeutics, Inc. (MAZE)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: MAZE
Reported as of: 01 Sep 2026
Net transaction value: -$906,999
SEC form: 4
Accepted by SEC: 03 Sep 2026, 16:27:42 UTC
Prior SEC filing: 05 Aug 2026
Next SEC filing: 04 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Courtney Phillips, as attorney-in-fact

Key filing fact

Jason Coloma V filed Form 4 for Maze Therapeutics, Inc. (MAZE) on 03 Sep 2026.

Key facts

This page summarizes Jason Coloma V's Form 4 filing for Maze Therapeutics, Inc. (MAZE).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 03 Sep 2026, 16:27.

Change

Previous filing in this sequence was filed on 05 Aug 2026.
Current net transaction value: -$906,999.

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 0001676170 Primary reporting owner

Coloma Jason V

Relationship: Chief Executive Officer, Director
Address: C/O MAZE THERAPEUTICS, INC., 171 OYSTER POINT BOULEVARD, SUITE 300, SOUTH SAN FRANCISCO
Signature: /s/ Courtney Phillips, as attorney-in-fact
Signature date: 03 Sep 2026

Reported non-derivative transactions

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

MAZE transaction

Common Stock

Sale

Transaction value: $68,214
Shares: -2,593
Change %: -12%
Price: $26.31
Shares after: 18,151
Date: 01 Sep 2026
Ownership: The Coloma 2021 Irrevocable Trust
Footnotes: F1, F2, F3

MAZE transaction

Common Stock

Sale

Transaction value: $838,785
Shares: -31,908
Change %: -13%
Price: $26.29
Shares after: 223,355
Date: 01 Sep 2026
Ownership: Coloma Family Trust
Footnotes: F1, F4, F5

MAZE transaction

Common Stock

Options Exercise

Transaction value
Shares: +50,000
Change %
Price: $0.000000^*
Shares after: 50,000
Date: 01 Sep 2026
Ownership: Direct

Reported derivative securities

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

MAZE transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -50,000
Change %: -50%
Price: $0.000000^*
Shares after: 50,000
Date: 01 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 50,000
Exercise price
Footnotes: F6, F7, F8

^* 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 8 footnotes

Footnote F1

This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

Footnote F2

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.14 to $26.50 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnote 4 of this Form 4.

Footnote F3

These securities are directly held by The Coloma 2021 Irrevocable Trust, for which the reporting person and his spouse serve as co-trustees.

Footnote F4

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.13 to $26.555 per share, inclusive.

Footnote F5

These securities are directly held by the Coloma Family Trust, for which the reporting person and his spouse serve as co-trustees.

Footnote F6

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock upon settlement.

Footnote F7

The award vested or vests as to 1/2 of the total award on September 1, 2026 and September 1, 2027, subject to the reporting person's continued service to the Issuer on each vesting date.

Footnote F8

These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.