UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-40710 Tigo Energy, Inc. (Exact name of Registrant as specified in its Charter) (State or other jurisdiction of incorporation or organ ...

Exhibit 99.1 Tigo Energy Reports Fourth Quarter and Full Year 2025 Financial Results LOS GATOS, Calif. – February 24, 2026 – Tigo Energy, Inc. (NASDAQ: TYGO) ("Tigo", or the "Company"), a leading provider of intelligent solar and energy software solutions, today reported financial results for the fourth quarter and full year ended December 31, 2025, financial guidance for the first quarter ending March 31, 2026, and a full year 2026 outlook. Recent Financial and Operational Highlights Management Commentary ...

Revenue Growth - Net revenue for the three months ended September 30, 2025, increased by $16.4 million or 115.0% compared to the same period in 2024, driven primarily by a $14.0 million or 108.9% increase in revenue from the MLPE product line [130]. - For the nine months ended September 30, 2025, net revenue increased by $36.8 million or 100.1% compared to the same period in 2024, with a $30.7 million or 94.0% increase from the MLPE product line [131]. - The EMEA region saw a net revenue increase of $12.9 million or 149.7% for the three months ended September 30, 2025, primarily driven by higher demand for MLPE products in several countries [134]. - U.S. net revenue represented 20.9% of total net revenue for the nine months ended September 30, 2025, with MLPE products accounting for 66.3% of U.S. net revenues [112]. - Net revenue for the Americas region increased by $5.0 million or 170.8% for the three months ended September 30, 2025, driven by increased demand for MLPE and GO ESS product lines [141]. - Net revenue for the EMEA region increased by $30.0 million or 139.8% for the nine months ended September 30, 2025, primarily due to higher demand for MLPE products [141]. Profitability - Gross profit for the three months ended September 30, 2025, was $13.1 million, resulting in a gross margin of 42.7%, compared to a gross profit of $1.8 million and a margin of 12.5% in the same period of 2024 [127]. - Gross profit increased by $11.3 million or 636.2% for the three months ended September 30, 2025, compared to the same period in 2024 [138]. - Gross margin increased by 30.2 percentage points for the three months ended September 30, 2025, compared to the same period in 2024 [139]. - For the nine months ended September 30, 2025, cost of revenues increased by $14.2 million or 50.0%, and gross profit increased by $22.6 million or 268.7% compared to the same period in 2024 [140]. Expenses - Research and development expenses decreased by $0.7 million or 8.9% for the nine months ended September 30, 2025, compared to the same period in 2024 [146]. - General and administrative expenses increased by a de minimis amount for the three and nine months ended September 30, 2025, compared to the same periods in 2024 [152]. Cash Flow and Financing - For the nine months ended September 30, 2025, net cash provided by operating activities was $8.7 million, a significant increase of $22.1 million compared to the same period in 2024, which had a net cash used of $13.4 million [167][168]. - The Company issued 7,472,428 shares of common stock for aggregate gross proceeds of approximately $12.0 million during the nine months ended September 30, 2025, with $2.2 million remaining available under the ATM Agreement [165]. - Net cash used in investing activities was $7.4 million for the nine months ended September 30, 2025, primarily due to the purchase of marketable securities, contrasting with $18.3 million net cash provided in the same period of 2024 [169]. - Net cash provided by financing activities increased by $11.3 million during the nine months ended September 30, 2025, primarily due to proceeds from the at-the-market offering and stock options exercise [170]. Going Concern and Risks - The company has a Convertible Promissory Note with an outstanding principal amount of $50.0 million due in January 2026, raising substantial doubt about its ability to continue as a going concern [161]. - The Company is exploring options for refinancing or other transactions to facilitate the payment of the $50.0 million Convertible Promissory Note due in January 2026, with substantial doubt about its ability to continue as a going concern [166]. - The condensed consolidated financial statements assume the Company will continue as a going concern, without adjustments for uncertainties [163]. - Management is focused on obtaining new customers and developing products, while cash flows could be affected by economic risks such as tariffs and inflation [167]. Market Strategy - The company plans to expand its presence in the U.S. residential market and invest in new market opportunities in the EMEA region, particularly in Italy and Germany [123]. - Demand for products has increased since early 2024, following an industry-wide downturn, with recovery driven by strengthening market conditions and increased market share [121]. Production and Tariffs - The transition of GO ESS production from China to Vietnam began in October 2025, with imports from Vietnam currently subject to a 20% reciprocal tariff [112]. - As of September 30, 2025, the Company has not reported any material changes to its critical accounting estimates from the previous year [173]. - The Company has contractual obligations primarily related to the Convertible Promissory Note and operating leases, with no material changes reported [171].

Financial Performance - Revenue for Q3 2025 was $30.6 million, a 115% increase compared to Q3 2024[4] - Income from operations for Q3 2025 was $0.6 million, compared to an operating loss of $10.4 million in Q3 2024[4] - Net loss for Q3 2025 was $2.2 million, an 83.5% decrease from a net loss of $13.1 million in Q3 2024[11] - Adjusted EBITDA for Q3 2025 was $2.9 million, compared to an adjusted EBITDA loss of $8.3 million in Q3 2024[4] - The company reported a gross profit of $13.1 million, or 42.7% of net revenue, compared to $1.8 million, or 12.5% of net revenue in Q3 2024[11] - Net revenue for the three months ended September 30, 2025, was $30,613 million, a significant increase from $14,237 million in the same period of 2024, representing a growth of 115%[24] - Gross profit for the nine months ended September 30, 2025, reached $30,997 million, compared to $8,407 million in 2024, indicating a year-over-year increase of 268%[24] - Total operating expenses for the three months ended September 30, 2025, were $12,412 million, slightly up from $12,191 million in the same period of 2024[24] - The net loss for the three months ended September 30, 2025, was $2,166 million, a decrease from a net loss of $13,117 million in the same period of 2024[24] - Adjusted EBITDA (loss) for the nine months ended September 30, 2025, was $1,893 million, an improvement from a loss of $20,997 million in 2024[28] Cash and Cash Equivalents - Cash and cash equivalents at the end of Q3 2025 were $40.3 million, a sequential increase of $12.3 million from Q2 2025[4] - Cash and cash equivalents at the end of the period on September 30, 2025, were $24,468 million, up from $9,461 million at the end of September 30, 2024[26] - The company reported a net cash provided by operating activities of $8,674 million for the nine months ended September 30, 2025, compared to a net cash used of $13,407 million in 2024[26] Operational Metrics - The company shipped 795 thousand units, or 600 MW, of Module Level Power Electronics (MLPE) during Q3 2025[4] - Research and development expenses for the three months ended September 30, 2025, were $2,501 million, slightly higher than $2,433 million in the same period of 2024[24] - The weighted-average common shares outstanding for the three months ended September 30, 2025, were 65,683,332, compared to 60,608,934 in the same period of 2024[24] - The company experienced a significant change in accounts receivable, with a decrease of $7,696 million for the nine months ended September 30, 2025, compared to a decrease of $350 million in 2024[26] Future Outlook - The company expects Q4 2025 revenues to be between $29.0 million and $31.0 million[11] - For the full year 2025, the company anticipates revenues to be between $102.5 million and $104.5 million[6] Partnerships - The company announced a manufacturing and marketing partnership with EG4 Electronics to produce Tigo-optimized inverters and MLPE[4]

Exhibit 99.1 Tigo Energy Reports Second Quarter 2025 Financial Results CAMPBELL, Calif. – July 29, 2025 – Tigo Energy, Inc. (NASDAQ: TYGO) ("Tigo", or the "Company"), a leading provider of intelligent solar and energy software solutions, today reported unaudited financial results for the second quarter ended June 30, 2025, financial guidance for the third quarter ending September 30, 2025 and increased financial guidance for a full year 2025 outlook. Recent Financial and Operational Highlights Management Co ...

Exhibit 99.1 Tigo Energy Reports First Quarter 2025 Financial Results CAMPBELL, Calif. – May 6, 2025 – Tigo Energy, Inc. ("Tigo", or the "Company") (NASDAQ: TYGO), a leading provider of intelligent solar and energy storage solutions, today reported unaudited financial results for the first quarter ended March 31, 2025, financial guidance for the second quarter ending June 30, 2025 and a full year 2025 outlook. Recent Financial and Operational Highlights Management Commentary "We are pleased to report our fi ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____ to _____ Commission File Number: 001-40710 Tigo Energy, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 83-3583873 (State or other ju ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-40710 Tigo Energy, Inc. (Exact name of Registrant as specified in its Charter) Delaware 83-3583873 (State or other jurisdiction of in ...

CAMPBELL, Calif. – February 11, 2025 – Tigo Energy, Inc. ("Tigo", or the "Company") (NASDAQ: TYGO), a leading provider of intelligent solar and energy storage solutions, today reported unaudited financial results for the fourth quarter and full year ended December 31, 2024, financial guidance for the first quarter ending March 31, 2025, and a full year 2025 outlook. Recent Financial and Operational Highlights Management Commentary "We are pleased to report a 21.3% sequential increase in our fourth quarter r ...

Exhibit 99.1 Tigo Energy Reports Third Quarter 2024 Financial Results CAMPBELL, Calif. – November 6, 2024 – Tigo Energy, Inc. ("Tigo", or the "Company") (NASDAQ: TYGO), a leading provider of intelligent solar and energy storage solutions, today reported unaudited financial results for the third quarter ended September 30, 2024 and financial guidance for the fourth quarter ending December 31, 2024. Recent Financial and Operational Highlights Management Commentary "We experienced our third sequential quarterl ...