{"transactions":[{"id":806267,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Phantom Stock","published_at":"2026-04-17T15:29:36.000Z","date":"2026-03-06","kind":"grant","planned":false,"acquired":true,"shares":1665,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Phantom Unit represents an unfunded, unsecured right to receive a cash payment equal to the average Fair Market Value per share of the Issuer's Common Stock over the thirty (30) trading days immediately preceding the applicable vesting date. Phantom Units are settled in cash only and do not entitle the Reporting Person to any shares of Common Stock or voting rights. One-third of the Phantom Units vest on each of March 6, 2027, March 6, 2028 and March 6, 2029, subject to the Reporting Person's continuous service with the Issuer or its affiliates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each Phantom Unit represents an unfunded, unsecured right to receive a cash payment equal to the average Fair Market Value per share of the Issuer's Common Stock over the thirty (30) trading days immediately preceding the applicable vesting date. Phantom Units are settled in cash only and do not entitle the Reporting Person to any shares of Common Stock or voting rights. One-third of the Phantom Units vest on each of March 6, 2027, March 6, 2028 and March 6, 2029, subject to the Reporting Person's continuous service with the Issuer or its affiliates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each Phantom Unit represents an unfunded, unsecured right to receive a cash payment equal to the average Fair Market Value per share of the Issuer's Common Stock over the thirty (30) trading days immediately preceding the applicable vesting date. Phantom Units are settled in cash only and do not entitle the Reporting Person to any shares of Common Stock or voting rights. One-third of the Phantom Units vest on each of March 6, 2027, March 6, 2028 and March 6, 2029, subject to the Reporting Person's continuous service with the Issuer or its affiliates."}],"balance_after":1665,"derivative":{"underlying":"Common Stock","underlying_shares":1665},"source":{"system":"sec-edgar","filing":"0001193125-26-160722","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000119312526160722/ownership.xml","form_type":"4"}},{"id":902131,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Stock Appreciation Rights","published_at":"2026-02-17T21:05:08.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":false,"shares":7500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The SAR vests and becomes exercisable on September 2, 2026."}],"balance_after":7500,"derivative":{"exercise_price":2,"expiration_date":"2032-09-02","underlying":"Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001193125-26-054563","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000119312526054563/ownership.xml","form_type":"4"}},{"id":902130,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-02-17T21:05:08.000Z","date":"2026-02-12","kind":"tax_withholding","planned":false,"acquired":false,"shares":3429,"price":92.72,"value":317936.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reporting person received 4,071 shares of common stock upon the net exercise of 7,500 stock appreciation rights (\"SARs\"). A total of 3,429 shares of common stock underlying such SARs were withheld in payment of the exercise price and to satisfy the withholding tax obligation resulting from the exercise."}],"balance_after":4592,"source":{"system":"sec-edgar","filing":"0001193125-26-054563","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000119312526054563/ownership.xml","form_type":"4"}},{"id":902129,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2026-02-17T21:05:08.000Z","date":"2026-02-12","kind":"exercise","planned":false,"acquired":true,"shares":7500,"price":2,"value":15000.0,"ownership":{"direct":true},"balance_after":8021,"source":{"system":"sec-edgar","filing":"0001193125-26-054563","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000119312526054563/ownership.xml","form_type":"4"}},{"id":1054882,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2025-08-27T17:51:34.000Z","date":"2025-08-25","kind":"purchase","planned":false,"acquired":true,"shares":300,"price":92.82,"value":27846.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The reported purchase was matchable under Section 16(b) of the Securities Exchange Act of 1934 with the reporting person's sale of 200 shares of common stock at a price of $93.30 per share on August 25, 2025 and of 100 shares of common stock at a price of $93.20 per share on August 25, 2025. The reporting person has paid to the Issuer $134.00, representing the full amount of the profit realized in connection with the short-swing transaction."}],"balance_after":521,"source":{"system":"sec-edgar","filing":"0000950170-25-111647","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000095017025111647/ownership.xml","form_type":"4"}},{"id":1054881,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2025-08-27T17:51:34.000Z","date":"2025-08-25","kind":"sale","planned":false,"acquired":false,"shares":200,"price":93.3,"value":18660.0,"ownership":{"direct":true},"balance_after":221,"source":{"system":"sec-edgar","filing":"0000950170-25-111647","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000095017025111647/ownership.xml","form_type":"4"}},{"id":1054880,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2025-08-27T17:51:34.000Z","date":"2025-08-25","kind":"sale","planned":false,"acquired":false,"shares":600,"price":93.2,"value":55920.0,"ownership":{"direct":true},"balance_after":421,"source":{"system":"sec-edgar","filing":"0000950170-25-111647","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000095017025111647/ownership.xml","form_type":"4"}},{"id":1054879,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2025-08-27T17:51:34.000Z","date":"2025-08-25","kind":"sale","planned":false,"acquired":false,"shares":3600,"price":92.928,"value":334540.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.50 to $93.10. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":1021,"source":{"system":"sec-edgar","filing":"0000950170-25-111647","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000095017025111647/ownership.xml","form_type":"4"}},{"id":1054878,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2025-08-27T17:51:34.000Z","date":"2025-08-25","kind":"sale","planned":false,"acquired":false,"shares":3600,"price":91.603,"value":329770.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.40 to $92.30. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":4621,"source":{"system":"sec-edgar","filing":"0000950170-25-111647","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000095017025111647/ownership.xml","form_type":"4"}},{"id":1066987,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Stock Appreciation Rights","published_at":"2025-08-14T22:44:33.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":false,"shares":15000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The SAR vests and becomes exercisable in two equal installments on each of September 2, 2025 and September 2, 2026."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"The SAR vests and becomes exercisable in two equal installments on each of September 2, 2025 and September 2, 2026."}],"balance_after":15000,"derivative":{"exercise_price":2,"expiration_date":"2032-09-02","underlying":"Common Stock","underlying_shares":15000},"source":{"system":"sec-edgar","filing":"0000950170-25-109121","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000095017025109121/ownership.xml","form_type":"4"}},{"id":1066986,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2025-08-14T22:44:33.000Z","date":"2025-08-12","kind":"tax_withholding","planned":false,"acquired":false,"shares":6779,"price":95.45,"value":647055.55,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person received 8,221 shares of common stock upon the net exercise of 15,000 stock appreciation rights (\"SARs\"). A total of 6,779 shares of common stock underlying such SARs were withheld in payment of the exercise price and to satisfy the withholding tax obligation resulting from the exercise."}],"balance_after":8221,"source":{"system":"sec-edgar","filing":"0000950170-25-109121","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000095017025109121/ownership.xml","form_type":"4"}},{"id":1066985,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO"}}],"security":"Common Stock","published_at":"2025-08-14T22:44:33.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":true,"shares":15000,"price":2,"value":30000.0,"ownership":{"direct":true},"balance_after":15000,"source":{"system":"sec-edgar","filing":"0000950170-25-109121","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000095017025109121/ownership.xml","form_type":"4"}},{"id":2166459,"issuer":{"id":5108,"kind":"organization","name":"POWER SOLUTIONS INTERNATIONAL, INC."},"owners":[{"id":52130,"kind":"person","name":"Li Xun","position":1,"cik":"0001944401","reported_name":"Li Xun","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Appreciation Right","published_at":"2022-09-06T21:25:52.000Z","date":"2022-09-02","kind":"grant","acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The Issuer granted the stock appreciation right (the \"SAR\") on September 2, 2022, pursuant to a Stock Appreciation Rights Agreement dated September 2, 2022, under the Issuer's 2012 Incentive Compensation Plan as amended and restated."},{"field":"shares","element":"transactionShares","label":"F2","text":"The SAR vests and becomes exercisable in four equal installments on each of September 2, 2023, September 2, 2024, September 2, 2025 and September 2, 2026."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The SAR vests and becomes exercisable in four equal installments on each of September 2, 2023, September 2, 2024, September 2, 2025 and September 2, 2026."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"The SAR vests and becomes exercisable in four equal installments on each of September 2, 2023, September 2, 2024, September 2, 2025 and September 2, 2026."}],"balance_after":30000,"derivative":{"exercise_price":2,"expiration_date":"2032-09-02","underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0000899243-22-030446","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1944401/000089924322030446/doc4.xml","form_type":"4"}}]}