| Item 1. | |
| (a) | Name of issuer:
Tigo Energy, Inc. |
| (b) | Address of issuer's principal executive offices:
983 University Avenue, Suite B, Los Gatos, California, 95032 |
| Item 2. | |
| (a) | Name of person filing:
This statement is being filed by:
(i) L1 Energy Capital Management S.a.r.l. ("L1 Energy"),
(ii) L1 New Energy GrowthCo S.a.r.l. ("L1 GrowthCo"),
(iii) L1 New Energy HeadCo S.a.r.l. ("L1 HeadCo"), and
(iv) Letterone Holdings S.A. ("L1 Holdings" and, together with L1 Energy, L1 GrowthCo and L1 HeadCo, the "Reporting Persons").
L1 GrowthCo is the sole owner of L1 Energy, L1 HeadCo is the majority owner of L1 GrowthCo, and L1 Holdings is the majority owner of L1 HeadCo. Each of Neil Toyer and Barry O'Dwyer serves as a director of L1 Energy. This statement relates to the Common Stock, par value $0.0001 per share ("Shares"), of Tigo Energy, Inc. (the "Issuer"). |
| (b) | Address or principal business office or, if none, residence:
The principal business office of each Reporting Person is 161, Rue du Kiem, L-8030 Strassen, Luxembourg. |
| (c) | Citizenship:
(i) L1 Energy is a Luxembourg company (a societe a responsabilite limitee), (ii) L1 GrowthCo is a Luxembourg company (a societe a responsabilite limitee), (iii) L1 HeadCo is a Luxembourg company (a societe a responsabilite limitee), and (iv) L1 Holdings is a Luxembourg company (a societe anonyme). |
| (d) | Title of class of securities:
Common Stock, par value $0.0001 per share |
| (e) | CUSIP No.:
88675P103 |
| 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);
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| (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);
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| (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);
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| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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| (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);
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| (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:
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| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
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| Item 4. | Ownership |
| (a) | Amount beneficially owned:
As of December 31, 2025, the Reporting Persons did not beneficially own any Shares. |
| (b) | Percent of class:
As of December 31, 2025, the Reporting Persons beneficially owned 0% of the Issuer's outstanding Shares. |
| (c) | Number of shares as to which the person has:
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| | (i) Sole power to vote or to direct the vote:
As of December 31, 2025, the Reporting Persons had sole power to vote or direct the vote of 0 Shares.
|
| | (ii) Shared power to vote or to direct the vote:
As of December 31, 2025, the Reporting Persons had shared power to vote or direct the vote of 0 Shares.
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| | (iii) Sole power to dispose or to direct the disposition of:
As of December 31, 2025, the Reporting Persons had sole power to dispose or direct the disposition of 0 Shares.
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| | (iv) Shared power to dispose or to direct the disposition of:
As of December 31, 2025, the Reporting Persons had shared power to dispose or direct the disposition of 0 Shares.
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| Item 5. | Ownership of 5 Percent or Less of a Class. |
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Ownership of 5 percent or less of a class
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| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. |
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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. |
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Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. |
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Not Applicable
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| Item 9. | Notice of Dissolution of Group. |
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Not Applicable
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