Tax withholding trims Weave (NYSE: WEAV) COO Marcus Bertilson’s stake

Rhea-AI Filing Summary

Weave Communications Chief Operating Officer Marcus Bertilson reported a routine tax-related share disposition. On this Form 4, 19,849 shares of common stock were withheld by the company at $4.88 per share to cover tax obligations from vested restricted stock units. This was an exempt transaction under Rule 16b-3(e), not an open-market sale. After the withholding, Bertilson directly holds 455,038 shares of Weave Communications common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Bertilson Marcus

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	19,849	$4.88	$97K

Holdings After Transaction: Common Stock — 455,038 shares (Direct)

Footnotes (1)

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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^*

Bertilson Marcus

(Last) (First) (Middle)

1331 W. POWELL WAY

(Street)

LEHI UT 84043

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Weave Communications, Inc. [ WEAV ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2026

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
Common Stock	03/13/2026		F(1)		19,849	D	$4.88	455,038	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. In an exempt transaction pursuant to Rule 16b-3(e), shares of the Issuer's Common Stock were withheld by the Issuer to satisfy tax obligations relating to the acquisition of shares of the Issuer's Common Stock in connection with the settlement of the vested portion of restricted stock units.

Remarks:

	/s/ Tyler Waltman, as Attorney-in-Fact	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 did Weave Communications (WEAV) COO Marcus Bertilson report on this Form 4?

Marcus Bertilson reported a tax-related share withholding, not an open-market trade. The company withheld 19,849 common shares to satisfy tax obligations tied to vested restricted stock units, leaving him with 455,038 directly held shares after the transaction.

Was the WEAV COO’s Form 4 transaction a stock sale in the open market?

No, the transaction was not an open-market sale. Shares were withheld by Weave Communications to cover tax liabilities from restricted stock units settling, in an exempt transaction under Rule 16b-3(e), which is a routine compensation-related event for executives.

How many Weave Communications shares were withheld for taxes from the COO?

The filing shows 19,849 shares of Weave Communications common stock were withheld. The shares were valued at $4.88 each and were used solely to satisfy tax obligations arising from the vesting and settlement of restricted stock units granted to the COO.

How many WEAV shares does the COO hold after this tax withholding event?

After the tax-withholding transaction, Marcus Bertilson directly holds 455,038 shares of Weave Communications common stock. This figure, reported in the Form 4, reflects his remaining direct ownership following the company’s withholding of shares to cover RSU-related tax liabilities.

What is the significance of Rule 16b-3(e) in the WEAV COO Form 4 filing?

Rule 16b-3(e) allows certain insider transactions related to equity compensation to be exempt from short-swing profit rules. The filing notes the share withholding for taxes was an exempt transaction under this rule, emphasizing it was a routine compensation and tax event, not speculative trading.