Tigo Energy, Inc. received an amended Schedule 13G showing that former reporting holders affiliated with Letterone now report no beneficial ownership of its common stock. As of December 31, 2025, L1 Energy Capital Management, L1 New Energy GrowthCo, L1 New Energy HeadCo, and Letterone Holdings each report 0 Shares and 0% of the outstanding common stock, with no sole or shared voting or dispositive power.
All four reporting entities are organized in Luxembourg, and the certification states the securities referenced were not acquired or held for the purpose of changing or influencing control of Tigo Energy.
Positive
None.
Negative
None.
Insights
Luxembourg Letterone affiliates now report 0% ownership in Tigo Energy.
The amended Schedule 13G shows four related Luxembourg entities — L1 Energy, L1 New Energy GrowthCo, L1 New Energy HeadCo, and Letterone Holdings — collectively reporting beneficial ownership of 0 Tigo Energy shares, equal to 0% of the common stock as of December 31, 2025.
They also report no sole or shared voting or dispositive power. This indicates these investors no longer have a reportable stake under beneficial ownership rules, which can change the shareholder mix but does not itself describe the underlying transactions.
The certification clarifies that any securities referenced were not acquired or held to change or influence control of Tigo Energy. Future ownership disclosures in company or investor filings may further detail the evolving shareholder base.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
Tigo Energy, Inc.
(Name of Issuer)
Common Stock, par value $0.0001 per share
(Title of Class of Securities)
88675P103
(CUSIP Number)
12/31/2025
(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)
Rule 13d-1(c)
Rule 13d-1(d)
SCHEDULE 13G
CUSIP No.
88675P103
1
Names of Reporting Persons
L1 Energy Capital Management S.a.r.l.
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
LUXEMBOURG
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
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 %
12
Type of Reporting Person (See Instructions)
OO, HC
SCHEDULE 13G
CUSIP No.
88675P103
1
Names of Reporting Persons
L1 New Energy GrowthCo S.a.r.l.
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
LUXEMBOURG
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
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 %
12
Type of Reporting Person (See Instructions)
OO, HC
SCHEDULE 13G
CUSIP No.
88675P103
1
Names of Reporting Persons
L1 New Energy HeadCo S.a.r.l.
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
LUXEMBOURG
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
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 %
12
Type of Reporting Person (See Instructions)
OO, HC
SCHEDULE 13G
CUSIP No.
88675P103
1
Names of Reporting Persons
Letterone Holdings S.A.
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
LUXEMBOURG
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
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 %
12
Type of Reporting Person (See Instructions)
OO, HC
SCHEDULE 13G
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);
(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);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(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);
(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:
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:
(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.
(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.
(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.
Item 5.
Ownership of 5 Percent or Less of a Class.
Ownership of 5 percent or less of a class
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
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
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.
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.
What does the Tigo Energy (TYGO) Schedule 13G/A report about ownership?
The amended Schedule 13G reports that four related Letterone-affiliated entities beneficially own 0 shares of Tigo Energy common stock, representing 0% of the class as of December 31, 2025, with no voting or dispositive power over any shares.
Which entities filed the amended Schedule 13G/A for Tigo Energy (TYGO)?
The filing is made by L1 Energy Capital Management S.a.r.l., L1 New Energy GrowthCo S.a.r.l., L1 New Energy HeadCo S.a.r.l., and Letterone Holdings S.A., all Luxembourg companies that are related through an ownership chain.
How many Tigo Energy (TYGO) shares do the reporting persons currently own?
As of December 31, 2025, each reporting person states an aggregate beneficial ownership of 0 shares of Tigo Energy common stock, with 0 shares subject to sole or shared voting or dispositive power, and an overall stake of 0%.
What is the stated ownership percentage of Tigo Energy (TYGO) in the 13G/A?
The reporting entities disclose they beneficially own 0% of Tigo Energy’s outstanding common stock as of December 31, 2025. This confirms they hold 5 percent or less of the class and no longer have a reportable equity stake.
Where are the Tigo Energy (TYGO) reporting entities in this 13G/A organized?
All four reporting entities are organized in Luxembourg. L1 Energy, L1 New Energy GrowthCo, and L1 New Energy HeadCo are Luxembourg limited liability companies, while Letterone Holdings S.A. is a Luxembourg société anonyme with its principal office in Strassen, Luxembourg.
What certification do the reporting persons give in the Tigo Energy (TYGO) 13G/A?
They certify the referenced securities were not acquired and are not held to change or influence control of Tigo Energy, and not in connection with any transaction having that purpose or effect, other than activities solely tied to a Rule 14a-11 nomination.