David Bourdon - 05 Mar 2026 Form 4 Insider Report for LifeStance Health Group, Inc. (LFST)

Role: Chief Executive Officer, Director
Signature: By: /s/ Ryan Pardo, Attorney-in-Fact
Issuer symbol: LFST
Transactions as of: 05 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 09 Mar 2026, 20:11:57 UTC
Previous filing: 19 May 2025
Next filing: 11 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Bourdon David	Chief Executive Officer, Director	C/O LIFESTANCE HEALTH GROUP, INC., 4800 N. SCOTTSDALE ROAD, SUITE 2500, SCOTTSDALE	By: /s/ Ryan Pardo, Attorney-in-Fact	09 Mar 2026	0001823690

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	LFST	Common Stock	Award		+395,683	+45%	$0.000000^*	1,283,922	05 Mar 2026	Direct	F1
transaction	LFST	Common Stock	Tax liability		-65,837	-5.1%	$6.93^*	1,218,085	06 Mar 2026	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes 395,683 restricted stock units ("RSUs") granted on March 5, 2026. Each RSU represents a contingent right to receive one share of the Issuer's common stock.
F2	Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on March 6, 2026. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.