Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
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- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13G
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UNDER THE SECURITIES EXCHANGE ACT OF 1934
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(Amendment No. 3)*
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LifeStance Health Group, Inc. (Name of Issuer) |
Common Stock, par value $0.01 per share (Title of Class of Securities) |
53228F101 (CUSIP Number) |
03/31/2026 (Date of Event Which Requires Filing of this Statement) |
| Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |
 Rule 13d-1(b)
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| Rule 13d-1(c)
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 Rule 13d-1(d)
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SCHEDULE 13G
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| CUSIP No. | 53228F101 |
| 1 | Names of Reporting Persons
Summit Partners, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
29,209,776.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
7.49 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: *Calculated based on 389,783,210 shares of common stock, par value $0.01 per share ("Common Stock") outstanding as of February 17, 2026, as reported on the Issuer's Form 10-K, filed with the Securities and Exchange Commission ("SEC") on February 25, 2026.
SCHEDULE 13G
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| CUSIP No. | 53228F101 |
| 1 | Names of Reporting Persons
Summit Partners Growth Equity Fund IX-A, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 |
Aggregate Amount Beneficially Owned by Each Reporting Person
17,886,858.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
4.59 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: *Calculated based on 389,783,210 shares of Common Stock outstanding as of February 17, 2026, as reported on the Issuer's Form 10-K, filed with the SEC on February 25, 2026.
SCHEDULE 13G
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| CUSIP No. | 53228F101 |
| 1 | Names of Reporting Persons
Summit Partners Growth Equity Fund IX-B, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
11,168,308.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
2.87 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: *Calculated based on 389,783,210 shares of Common Stock outstanding as of February 17, 2026, as reported on the Issuer's Form 10-K, filed with the SEC on February 25, 2026.
SCHEDULE 13G
|
| CUSIP No. | 53228F101 |
| 1 | Names of Reporting Persons
Summit Investors GE IX/VC IV (UK), L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
13,062.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
0.00 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: *Calculated based on 389,783,210 shares of Common Stock outstanding as of February 17, 2026, as reported on the Issuer's Form 10-K, filed with the SEC on February 25, 2026.
SCHEDULE 13G
|
| CUSIP No. | 53228F101 |
| 1 | Names of Reporting Persons
Summit Partners Entrepreneur Advisors Fund II, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
16,691.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
0.00 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: *Calculated based on 389,783,210 shares of Common Stock outstanding as of February 17, 2026, as reported on the Issuer's Form 10-K, filed with the SEC on February 25, 2026.
SCHEDULE 13G
|
| CUSIP No. | 53228F101 |
| 1 | Names of Reporting Persons
Summit Investors GE IX/VC IV, LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
124,857.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
0.03 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: *Calculated based on 389,783,210 shares of Common Stock outstanding as of February 17, 2026, as reported on the Issuer's Form 10-K, filed with the SEC on February 25, 2026.
SCHEDULE 13G
|
| Item 1. | ||
| (a) | Name of issuer:
LifeStance Health Group, Inc. | |
| (b) | Address of issuer's principal executive offices:
4800 N. Scottsdale Road, Suite 6000 Scottsdale, Arizona 85251 | |
| Item 2. | ||
| (a) | Name of person filing:
This statement is filed by the entities and persons listed below, all of whom together are referred to herein as the "Reporting Persons": (i) Summit Partners, L.P.; (ii) Summit Partners Growth Equity Fund IX-A, L.P.; (iii) Summit Partners Growth Equity Fund IX-B, L.P.; (iv) Summit Investors GE IX/VC IV (UK), L.P.; (v) Summit Partners Entrepreneur Advisors Fund II, L.P.; and (vi) Summit Investors GE IX/VC IV, LLC | |
| (b) | Address or principal business office or, if none, residence:
222 Berkeley Street, 18th Floor Boston, MA 02116 | |
| (c) | Citizenship:
See response to Item 4 on each cover page | |
| (d) | Title of class of securities:
Common Stock, par value $0.01 per share | |
| (e) | CUSIP No.:
| |
| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: | |
| (a) | Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
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| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
| |
| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
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| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
| |
| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
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| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
| |
| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
| |
| (i) | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
| |
| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution: | |
| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
| |
| Item 4. | Ownership | |
| (a) | Amount beneficially owned:
See responses to Item 9 on each cover page. | |
| (b) | Percent of class:
See responses to Item 11 on each cover page. %
| |
| (c) | Number of shares as to which the person has:
| |
| (i) Sole power to vote or to direct the vote:
See responses to Item 5 on each cover page. | ||
| (ii) Shared power to vote or to direct the vote:
See responses to Item 6 on each cover page. | ||
| (iii) Sole power to dispose or to direct the disposition of:
See responses to Item 7 on each cover page. | ||
| (iv) Shared power to dispose or to direct the disposition of:
See response to Item 8 on each cover page. Summit Partners, L.P. is the managing member of Summit Partners GE IX, LLC, which is general partner of Summit Partners GE IX, L.P., which is the general partner of Summit Partners Growth Equity Fund IX-A, L.P. and Summit Partners Growth Equity Fund IX-B, L.P. Summit Master Company, LLC is (i) the sole member of Summit Partners Entrepreneur Advisors GP II, LLC, which is the general partner of Summit Partners Entrepreneur Advisors Fund II, L.P. and (ii) the general partner of Summit Partners L.P., which is the manager of Summit Investors Management, LLC, which is the manager of Summit Investors GE IX/VC IV, LLC, and the general partner of Summit Investors GE IX/VC IV (UK), L.P. Summit Master Company, LLC, as the sole member of Summit Partners Entrepreneur Advisors GP II, LLC, the managing member of Summit Investors Management, LLC and general partner of Summit Partners, L.P., has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its investment committee responsible for voting and investment decisions with respect to the reported securities held by Summit Partners, L.P., through a three-person investment committee. Peter Y. Chung, Darren M. Black and Craig D. Frances are the current members of the investment committee, and as such may be deemed to have voting and dispositive authority over the reported securities, but each of the foregoing disclaim such beneficial ownership. This Statement shall not be construed as an admission that the Reporting Persons or any of the members of the investment committee are, for the purpose of Section 13(d) or 13(g) of the Securities Exchange Act of 1934, the beneficial owner of any securities covered by this Statement. | ||
| Item 5. | Ownership of 5 Percent or Less of a Class. | |
| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. | |
Not Applicable
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| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. | |
Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. | |
Not Applicable
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| Item 9. | Notice of Dissolution of Group. | |
Not Applicable
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| Item 10. | Certifications: |
Not Applicable
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| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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Exhibit Information
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Exhibit A: Joint Filing Agreement, dated as of February 4, 2022, incorporated herein by reference to the statement on Schedule 13G filed by the Reporting Persons on February 4, 2022. Exhibit B: Powers of Attorney, dated as of October 25, 2021, incorporated herein by reference to the statement on Schedule 13G filed by the Reporting Persons on February 4, 2022. |