LifeStance director proposes $960K share sale

The listed securities were acquired through restricted stock vesting in entries dated March 7 and March 8, 2025.

Available on EDGAR 11/09/2026 - 02:47 PM EST Accepted by SEC EDGAR 11/09/2026 - 02:47 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

LifeStance Health Group, Inc. (LFST) director Kenneth A. Burdick reported a proposed sale of 66,589 common shares, with an approximate sale date of November 9, 2026 and an aggregate market value of $959,715.86. The securities listed for sale were acquired through restricted stock vesting: 11,386 shares on March 7, 2025 and 55,203 shares on March 8, 2025. A prior sale by Burdick on August 11, 2026 covered 500,000 common shares, with gross proceeds of $5,756,737.55.

Key Figures

Common shares proposed for sale: 66,589 shares Aggregate market value: $959,715.86 Prior common shares sold: 500,000 shares +3 more

6 metrics

Common shares proposed for sale 66,589 shares Approximate sale date November 9, 2026

Aggregate market value $959,715.86 Proposed sale

Prior common shares sold 500,000 shares Sale on August 11, 2026

Gross proceeds $5,756,737.55 Prior sale on August 11, 2026

Shares acquired through restricted stock vesting 11,386 shares March 7, 2025

Shares acquired through restricted stock vesting 55,203 shares March 8, 2025

Key Terms

Restricted Stock Vesting, Aggregate Market Value, Gross Proceeds

3 terms

Restricted Stock Vesting financial

"Nature of Acquisition Transaction"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Aggregate Market Value financial

"Aggregate Market Value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

Gross Proceeds financial

"Gross Proceeds"

The total amount of cash a company receives from a financing event or sale before any fees, expenses, taxes or deductions are taken out. Investors watch gross proceeds because it shows the raw scale of new capital being raised—think of it as the paycheck amount before withholdings—which helps assess how much funding is available for operations, growth, debt payoff or how much shareholder dilution might occur once costs are removed.

FAQ

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

How many LFST shares did Kenneth A. Burdick propose to sell?

The notice lists a proposed sale of 66,589 common shares, with an approximate sale date of November 9, 2026 and an aggregate market value of $959,715.86.

How many shares did Kenneth A. Burdick sell recently?

A prior sale on August 11, 2026 covered 500,000 common shares, with gross proceeds of $5,756,737.55.

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

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001498992
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	LifeStance Health Group, Inc.
SEC File Number	001-40478
Address of Issuer	4800 N. SCOTTSDALE ROAD SUITE 2500 SCOTTSDALE ARIZONA 85251
Phone	602-767-2100
Name of Person for Whose Account the Securities are To Be Sold	Burdick Kenneth A
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	66589	959715.86	380190724	11/09/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/07/2025	Restricted Stock Vesting	Issuer			11386	03/07/2025	Compensation
Common	03/08/2025	Restricted Stock Vesting	Issuer			55203	03/08/2025	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Kenneth Burdick 4800 N. Scottsdale Road Suite 2500 Scottsdale AZ 85251	Common	08/11/2026	500000	5756737.55

144: Remarks and Signature

Remarks
Date of Notice	11/09/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Kenneth Burdick
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)