LifeStance Health Group (LFST) COO trades 47,912 shares in planned stock sale

Rhea-AI Filing Summary

LifeStance Health Group, Inc. reported that Chief Operating Officer Lisa K. Miller sold 47,912 shares of common stock on August 10, 2026 at $10.85 per share in an open-market or private transaction. After this sale, she directly holds 281,289 shares of LifeStance common stock. The transaction was affirmed as being made pursuant to a Rule 10b5-1 trading plan.

Insider Trade Summary 10b5-1

Net Seller: 47,912 shares

Net Sell 1 txn

Insider Miller Lisa K

Role Chief Operating Officer

Sold 47,912 shs ($520K)

Type	Security	Shares	Price	Value
Sale	Common Stock	47,912	$10.85	$520K

Holdings After Transaction: Common Stock — 281,289 shares (Direct)

Key Figures

Shares sold: 47,912 shares Sale price: $10.85 per share Shares held after transaction: 281,289 shares

3 metrics

Shares sold 47,912 shares Common stock sale by COO Lisa K. Miller on August 10, 2026

Sale price $10.85 per share Price for the August 10, 2026 common stock sale

Shares held after transaction 281,289 shares Direct ownership by Lisa K. Miller following the reported sale

Key Terms

Rule 10b5-1 trading plan, open-market or private transaction, Form 4

3 terms

Rule 10b5-1 trading plan regulatory

"The transaction was affirmed as being made pursuant to a Rule 10b5-1 trading plan."

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.

open-market or private transaction financial

"Sale in open market or private transaction"

Form 4 regulatory

"After the reported transaction, COO Lisa K. Miller directly holds 281,289 shares, according to the Form 4 ownership data."

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

What insider transaction did LifeStance Health Group (LFST) report for Lisa K. Miller?

LifeStance Health Group (LFST) reported that COO Lisa K. Miller sold 47,912 shares of common stock on August 10, 2026 at $10.85 per share, in an open-market or private transaction.

How many LifeStance Health Group (LFST) shares does Lisa K. Miller hold after the reported sale?

After the reported transaction, COO Lisa K. Miller directly holds 281,289 shares of LifeStance Health Group (LFST) common stock, according to the Form 4 ownership data.

Was the August 10, 2026 LFST insider sale under a Rule 10b5-1 plan?

Yes. The filing indicates the transaction was made pursuant to a Rule 10b5-1 trading plan, which is a pre-arranged trading framework for insiders to buy or sell shares.

What price did LifeStance Health Group (LFST) COO receive per share in the August 10, 2026 sale?

COO Lisa K. Miller sold 47,912 shares of LifeStance Health Group (LFST) common stock at $10.85 per share, as reported in the Form 4 transaction details.

How many total shares did insiders sell in this LifeStance Health Group (LFST) Form 4?

This Form 4 reports that COO Lisa K. Miller sold a total of 47,912 shares of LifeStance Health Group (LFST) common stock, with no insider purchases disclosed.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/12/2026 - 05:00 PM Accepted by SEC EDGAR 08/12/2026 - 04:59 PM 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^*

Miller Lisa K

(Last) (First) (Middle)

C/O LIFESTANCE HEALTH GROUP, INC.

4800 N. SCOTTSDALE ROAD, SUITE 2500

(Street)

SCOTTSDALE ARIZONA 85251

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
LifeStance Health Group, Inc. [ LFST ]

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/10/2026

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
Common Stock	08/10/2026		S		47,912	D	$10.85	281,289	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:

	By: /s/ Ryan Pardo, Attorney-in-Fact	08/12/2026
	** 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)