Gitlab CAO sells 8,725 shares under trading plan

Gitlab Inc. executive Simon Mundy, Chief Accounting Officer, sold 8,725 shares of Class A Common Stock on August 7, 2026 at $38.00 per share in an open-market transaction.

Rhea-AI Filing Summary

Gitlab Inc. executive Simon Mundy, Chief Accounting Officer, sold 8,725 shares of Class A Common Stock on August 7, 2026 at $38.00 per share in an open-market transaction. The sale was executed under a Rule 10b5-1 trading plan adopted on June 23, 2025. Following this sale, Mundy directly holds 105,332 Class A shares, which include shares that have not yet vested.

Insider Trade Summary 10b5-1

Net Seller: 8,725 shares

Net Sell 1 txn

Insider Mundy Simon

Role Chief Accounting Officer

Sold 8,725 shs ($332K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1, F2	8,725	$38.00	$332K

Holdings After Transaction: Class A Common Stock — 105,332 shares (Direct)

Footnotes (2)

1. F1. The sales reported on this Form 4 were executed pursuant to a trading plan entered into by the reporting person on June 23, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.
2. F2. Includes shares of Class A Common Stock that have not yet vested.

Key Figures

Shares sold: 8,725 shares Sale price: $38.00 per share Shares held after sale: 105,332 shares

3 metrics

Shares sold 8,725 shares Class A Common Stock sold by Chief Accounting Officer on August 7, 2026

Sale price $38.00 per share Price for Class A Common Stock sold on August 7, 2026

Shares held after sale 105,332 shares Direct Class A holdings after transaction, including unvested shares

Key Terms

Rule 10b5-1 trading plan, Class A Common Stock, vested

3 terms

Rule 10b5-1 trading plan regulatory

"sales reported were executed pursuant to a trading plan entered into ... in accordance with Rule 10b5-1"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Class A Common Stock financial

"security title is listed as Class A Common Stock for the transaction"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

vested financial

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

FAQ

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

What insider transaction did Gitlab Inc. (GTLB) report for Simon Mundy?

Gitlab Inc. reported that Chief Accounting Officer Simon Mundy sold 8,725 Class A shares on August 7, 2026 at $38.00 per share in an open-market transaction under a Rule 10b5-1 plan.

How many Gitlab (GTLB) shares does Simon Mundy hold after the reported sale?

After the sale, Simon Mundy holds 105,332 shares of Gitlab Class A Common Stock. This figure includes shares that have not yet vested, as disclosed in the filing’s footnote.

Was the Gitlab (GTLB) insider sale by Simon Mundy under a Rule 10b5-1 plan?

Yes. The filing states the sales were executed under a Rule 10b5-1 trading plan entered into on June 23, 2025, indicating the trades were pre-arranged rather than discretionary at the time of execution.

What type of security did Simon Mundy trade in the Gitlab (GTLB) Form 4?

The transaction involved Class A Common Stock of Gitlab Inc. Mundy sold 8,725 shares at $38.00 per share, classified as a non-derivative open-market or private sale transaction.

Does Simon Mundy’s Gitlab (GTLB) holding include unvested shares?

Yes. A footnote explains that the 105,332 Class A shares reported as directly owned include shares that have not yet vested, meaning some of his position remains subject to vesting conditions.

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

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Accepted by SEC EDGAR 08/11/2026 - 04:36 PM EDT 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^*

Mundy Simon

(Last) (First) (Middle)

C/O GITLAB INC.

(Street)

NOT APPLICABLE DELAWARE

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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	08/07/2026		S(1)		8,725	D	$38	105,332(2)	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. The sales reported on this Form 4 were executed pursuant to a trading plan entered into by the reporting person on June 23, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

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

Remarks:

	/s/ Thomas J. Lloyd, Attorney-in-Fact for Simon Mundy	08/11/2026
	** 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.
* Form 4: SEC 1474 (03-26)