LifeStance Health plans sale of 1.09M shares

LifeStance Health Group Inc. has filed a notice for a proposed resale of its common stock.

Rhea-AI Filing Summary

LifeStance Health Group Inc. has filed a notice for a proposed resale of its common stock. The filing indicates a planned sale of 1,088,162 shares, with an aggregate market value of $11,556,280.44, to be sold on or after 08/10/2026 on NASDAQ through Citadel Securities LLC. The seller previously purchased 18,446,106 equity interests in LifeStance in a pre-IPO transaction on 06/10/2021.

Key Figures

Shares proposed to be sold: 1,088,162 shares Aggregate market value of shares: $11,556,280.44 Equity interests purchased pre-IPO: 18,446,106 units +1 more

4 metrics

Shares proposed to be sold 1,088,162 shares Common stock covered by the Form 144 notice

Aggregate market value of shares $11,556,280.44 Value associated with the 1,088,162 shares of common stock

Equity interests purchased pre-IPO 18,446,106 units Equity interests in LifeStance acquired on 06/10/2021 pre-IPO

Planned sale date 08/10/2026 Date from which the proposed NASDAQ sales may begin

Key Terms

Securities To Be Sold, pre-IPO, Equity interests, Common Stock

4 terms

Securities To Be Sold regulatory

"144: Securities To Be Sold Common Stock | 06/10/2021 | Pre-IPO Transactions"

pre-IPO financial

"Pre-IPO Transactions | LifeStance Health Group Inc. | | | 18446106"

Pre-IPO describes the stage when a privately held company offers shares or commitments to investors before its initial public offering. For investors, pre-IPO deals can provide a chance to buy equity at lower prices—like getting into a house before it goes on the market—but they come with higher uncertainty, limited ability to sell quickly, and the risk that the public listing may be delayed, changed, or never occur.

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.

Common Stock financial

"Common Stock | Citadel Securities LLC 830 Brickell Plaza"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What does LifeStance Health Group Inc. (LFST) disclose in this Form 144?

The filing discloses a planned resale of 1,088,162 shares of LifeStance common stock. The shares have an aggregate market value of $11,556,280.44 and are expected to be sold on or after 08/10/2026 on NASDAQ.

How many LifeStance Health (LFST) shares are planned to be sold and at what value?

The Form 144 covers a proposed sale of 1,088,162 shares of LifeStance common stock. The filing lists an aggregate market value of approximately $11,556,280.44 for these shares, reflecting the market price at the time of the notice.

When is the proposed sale date for the LifeStance (LFST) shares in this Form 144?

The planned sale is indicated for 08/10/2026. This date marks when the selling holder expects to begin resales of LifeStance common stock on NASDAQ through Citadel Securities LLC, subject to applicable Rule 144 conditions.

Who is the broker for the planned LifeStance Health (LFST) share sale?

The Form 144 lists Citadel Securities LLC as the broker for the transaction. The planned sale of 1,088,162 LifeStance common shares is expected to occur on NASDAQ through this broker starting on or after 08/10/2026.

What pre-IPO transaction does the LifeStance (LFST) Form 144 reference?

The filing notes that 18,446,106 equity interests in LifeStance Health Group Inc. were purchased in a pre-IPO transaction on 06/10/2021. This provides background on how the seller originally acquired the securities now proposed for resale.

Is LifeStance Health (LFST) issuing new shares in this Form 144 filing?

No, the disclosure relates to a resale of existing common stock under Rule 144. The filing describes a holder’s plan to sell 1,088,162 shares it already owns, rather than LifeStance issuing new shares for capital raising.

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

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Accepted by SEC EDGAR 08/10/2026 - 04:07 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	0001634426
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 Growth Equity Fund IX-B, 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	1088162	11556280.44	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.			18446106	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)