GitLab (GTLB) CAO disposes 2,141 shares to cover RSU tax

Rhea-AI Filing Summary

GitLab Inc. Chief Accounting Officer Simon Mundy reported a routine tax-related share disposition. On March 16, 2026, 2,141 shares of Class A Common Stock were disposed of at a weighted-average price of $22.65 per share to satisfy tax obligations from vesting restricted stock units.

The shares were sold in multiple trades at prices ranging from $22.43 to $22.91. After this transaction, Mundy directly holds 45,043 Class A shares, which includes shares that have not yet vested, indicating he retains a substantial equity stake following the tax-withholding event.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Mundy Simon

Role Chief Accounting Officer

Type	Security	Shares	Price	Value
Tax Withholding	Class A Common Stock	2,141	$22.65	$48K

Holdings After Transaction: Class A Common Stock — 45,043 shares (Direct)

Footnotes (1)

1. Represents shares of GitLab Inc.'s Class A Common Stock sold to satisfy the reporting person's tax obligations arising as a result of the vesting of restricted stock units. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.43 to $22.91, inclusive. The Reporting Person undertakes to provide to GitLab Inc., any security holder of GitLab Inc., or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. Includes shares of Class A Common Stock that have not yet vested.

Form 4 Insider Transactions: What Each Field Means →

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).

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^*

Mundy Simon

(Last) (First) (Middle)

C/O GITLAB INC.

(Street)

NOT APPLICABLE DE

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Gitlab Inc. [ GTLB ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

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
Class A Common Stock	03/16/2026		F		2,141(1)	D	$22.65(2)	45,043(3)	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

Explanation of Responses:

1. Represents shares of GitLab Inc.'s Class A Common Stock sold to satisfy the reporting person's tax obligations arising as a result of the vesting of restricted stock units.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.43 to $22.91, inclusive. The Reporting Person undertakes to provide to GitLab Inc., any security holder of GitLab Inc., or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

3. Includes shares of Class A Common Stock that have not yet vested.

Remarks:

	/s/ Robin Schulman, Attorney-in-Fact for Simon Mundy	03/17/2026
	** 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.

FAQ

What insider transaction did GitLab (GTLB) Chief Accounting Officer report?

GitLab’s Chief Accounting Officer Simon Mundy reported a tax-related share disposition of 2,141 Class A shares. The shares were delivered to cover tax obligations arising from the vesting of restricted stock units, rather than reflecting an open-market investment decision.

At what price were the 2,141 GitLab (GTLB) shares disposed of?

The 2,141 GitLab Class A shares were disposed of at a weighted-average price of $22.65. Footnotes note multiple trades occurred, with prices ranging from $22.43 to $22.91 per share, all tied to satisfying the insider’s tax obligations on RSU vesting.

Why did GitLab (GTLB) insider Simon Mundy dispose of shares?

Simon Mundy disposed of GitLab shares to satisfy tax obligations from vesting restricted stock units. This kind of F-code transaction is a tax-withholding mechanism, where shares are used to pay taxes rather than representing a discretionary open‑market sale.

How many GitLab (GTLB) shares does the CAO hold after this Form 4 transaction?

After the transaction, Simon Mundy directly holds 45,043 shares of GitLab Class A Common Stock. Footnotes indicate this balance includes shares that have not yet vested, showing he maintains a meaningful ongoing equity interest in the company.

Is the GitLab (GTLB) Form 4 transaction an open-market sale by the CAO?

The Form 4 describes a tax-withholding disposition, not a typical open-market sale. Shares were sold to cover tax liabilities from restricted stock unit vesting, a common administrative process that does not necessarily signal a change in the insider’s investment outlook.