LifeStance holder plans sale of 1,626 shares

Citadel Securities LLC filed a notice of proposed sale of 1,626 shares of LifeStance Health Group Inc. common stock on the NASDAQ, with an aggregate market value of $17,268.12 and an expected sale date of August 10, 2026.

Rhea-AI Filing Summary

Citadel Securities LLC filed a notice of proposed sale of 1,626 shares of LifeStance Health Group Inc. common stock on the NASDAQ, with an aggregate market value of $17,268.12 and an expected sale date of August 10, 2026. These shares relate to equity interests acquired in pre-IPO transactions on June 10, 2021, when 27,568 equity interests in LifeStance Health Group Inc. were purchased before the company’s initial public offering.

Key Figures

Shares proposed to be sold: 1,626 shares Aggregate market value: $17,268.12 Pre-IPO equity interests purchased: 27,568 +2 more

5 metrics

Shares proposed to be sold 1,626 shares Common stock of LifeStance Health Group Inc. listed as securities to be sold

Aggregate market value $17,268.12 Value associated with 1,626 LifeStance Health Group Inc. shares

Pre-IPO equity interests purchased 27,568 Equity interests in LifeStance Health Group Inc. purchased in pre-IPO transactions

Pre-IPO purchase date 06/10/2021 Date equity interests in the issuer were purchased pre-IPO

Proposed sale date 08/10/2026 Expected date for sale of LifeStance Health Group Inc. shares

Key Terms

Form 144, Pre-IPO Transactions, equity interests

3 terms

Form 144 regulatory

"144: Securities Information Common Stock | Citadel Securities LLC"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Pre-IPO Transactions financial

"Common Stock | 06/10/2021 | Pre-IPO Transactions | LifeStance Health Group Inc."

equity interests financial

"Equity interests in the Issuer were purchased pre-IPO."

Equity interests are an ownership stake in a company—usually represented by shares or membership units—that give the holder a claim on the business’s profits, assets and sometimes voting power. Think of it as owning one or more slices of a company’s pie: the bigger your slice, the larger your share of dividends, capital gains and influence, and the more you are affected by dilution or company losses. Investors use equity interests to measure value, control and potential returns.

FAQ

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

What does the LFST Form 144 filing by Citadel Securities LLC disclose?

Citadel Securities LLC plans to sell 1,626 shares of LifeStance Health Group Inc. common stock. The filing lists an aggregate market value of $17,268.12 and identifies the NASDAQ as the trading market for the proposed sale.

How many LifeStance Health (LFST) shares are proposed to be sold?

The filing covers a proposed sale of 1,626 shares of LifeStance Health Group Inc. common stock. These shares are associated with earlier pre-IPO equity purchases made before the company’s initial public offering.

What is the estimated value of the LFST shares in this Form 144?

The Form 144 lists an aggregate market value of $17,268.12 for the 1,626 LifeStance Health Group Inc. shares. This value reflects the market-based estimate associated with the proposed NASDAQ sale on the referenced date.

When were the LifeStance Health (LFST) equity interests originally acquired?

The filing states that equity interests were purchased on June 10, 2021 in pre-IPO transactions. It notes that 27,568 equity interests in LifeStance Health Group Inc. were acquired before the company became publicly traded.

On which market will the LFST shares in this Form 144 be sold?

The proposed sale of 1,626 shares of LifeStance Health Group Inc. common stock is listed for the NASDAQ market. The filing connects these shares to pre-IPO equity interests previously acquired by the selling holder.

What future sale date is referenced in the LFST Form 144 filing?

The document references an expected sale date of August 10, 2026 for the 1,626 LifeStance Health Group Inc. shares. This date is tied to the proposed NASDAQ transaction disclosed by Citadel Securities LLC.

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

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Accepted by SEC EDGAR 08/10/2026 - 04:06 PM EDT Learn about SEC filing dates

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	0001660981
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	6027672100
Name of Person for Whose Account the Securities are To Be Sold	Summit Partners Entrepreneur Advisors Fund II, L.P.
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	Owner

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 Stock	Citadel Securities LLC 830 Brickell Plaza, Floor 15 Miami FL 33131	1626	17268.12	382055609	08/10/2026	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 Stock	06/10/2021	Pre-IPO Transactions	LifeStance Health Group Inc.			27568	06/10/2021	Equity interests in the Issuer were purchased pre-IPO.

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	08/10/2026
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	Adam H. Hennessey
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)