{"transactions":[{"id":975897,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2025-12-09T21:00:19.000Z","date":"2025-12-05","kind":"grant","planned":false,"acquired":true,"shares":9,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":80,"derivative":{"underlying":"Common Stock","underlying_shares":9},"source":{"system":"sec-edgar","filing":"0001193125-25-312712","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000119312525312712/ownership.xml","form_type":"4"}},{"id":1049438,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2025-09-03T20:00:20.000Z","date":"2025-08-29","kind":"grant","planned":false,"acquired":true,"shares":10,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":71,"derivative":{"underlying":"Common Stock","underlying_shares":10},"source":{"system":"sec-edgar","filing":"0001918190-25-000005","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000191819025000005/ownership.xml","form_type":"4"}},{"id":1124659,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2025-06-03T20:00:14.000Z","date":"2025-05-30","kind":"grant","planned":false,"acquired":true,"shares":8,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":61,"derivative":{"underlying":"Common Stock","underlying_shares":8},"source":{"system":"sec-edgar","filing":"0000950170-25-080877","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025080877/ownership.xml","form_type":"4"}},{"id":1199457,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2025-03-18T20:05:17.000Z","date":"2025-03-14","kind":"grant","planned":false,"acquired":true,"shares":9,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":53,"derivative":{"underlying":"Common Stock","underlying_shares":9},"source":{"system":"sec-edgar","filing":"0000950170-25-041161","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025041161/ownership.xml","form_type":"4"}},{"id":1227683,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Performance Stock Units","published_at":"2025-03-04T21:05:14.000Z","date":"2025-02-28","kind":"exercise","planned":false,"acquired":false,"shares":6604,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Settlement of performance-based restricted stock units (\"PSUs\") granted on February 23, 2022. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Settlement of performance-based restricted stock units (\"PSUs\") granted on February 23, 2022. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Settlement of performance-based restricted stock units (\"PSUs\") granted on February 23, 2022. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":6604},"source":{"system":"sec-edgar","filing":"0000950170-25-031962","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025031962/ownership.xml","form_type":"4"}},{"id":1227682,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-03-04T21:05:14.000Z","date":"2025-02-28","kind":"tax_withholding","planned":false,"acquired":false,"shares":2357,"price":101.75,"value":239824.75,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of PSUs."}],"balance_after":20875,"source":{"system":"sec-edgar","filing":"0000950170-25-031962","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025031962/ownership.xml","form_type":"4"}},{"id":1227681,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-03-04T21:05:14.000Z","date":"2025-02-28","kind":"exercise","planned":false,"acquired":true,"shares":6604,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Settlement of performance-based restricted stock units (\"PSUs\") granted on February 23, 2022. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":23232,"source":{"system":"sec-edgar","filing":"0000950170-25-031962","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025031962/ownership.xml","form_type":"4"}},{"id":1235581,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-03-03T21:05:04.000Z","date":"2025-02-27","kind":"exercise","planned":false,"acquired":false,"shares":3303,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option vested in three equal annual installations beginning on February 23, 2023."}],"balance_after":0,"derivative":{"exercise_price":39.42,"expiration_date":"2032-02-23","underlying":"Common Stock","underlying_shares":3303},"source":{"system":"sec-edgar","filing":"0000950170-25-030829","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025030829/ownership.xml","form_type":"4"}},{"id":1235580,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-03-03T21:05:04.000Z","date":"2025-02-27","kind":"exercise","planned":false,"acquired":false,"shares":2887,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This option vests in three equal annual installations beginning on February 22, 2024."}],"balance_after":2887,"derivative":{"exercise_price":47.35,"expiration_date":"2033-02-22","underlying":"Common Stock","underlying_shares":2887},"source":{"system":"sec-edgar","filing":"0000950170-25-030829","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025030829/ownership.xml","form_type":"4"}},{"id":1235579,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-03-03T21:05:04.000Z","date":"2025-02-27","kind":"sale","planned":false,"acquired":false,"shares":8191,"price":101.0896,"value":828024.9136,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $100.7614 to $101.3900.  The reporting person undertakes to provide Allison Transmission Holdings, Inc. 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":16628,"source":{"system":"sec-edgar","filing":"0000950170-25-030829","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025030829/ownership.xml","form_type":"4"}},{"id":1235578,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-03-03T21:05:04.000Z","date":"2025-02-27","kind":"exercise","planned":false,"acquired":true,"shares":3303,"price":39.42,"value":130204.26,"ownership":{"direct":true},"balance_after":24819,"source":{"system":"sec-edgar","filing":"0000950170-25-030829","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025030829/ownership.xml","form_type":"4"}},{"id":1235577,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-03-03T21:05:04.000Z","date":"2025-02-27","kind":"exercise","planned":false,"acquired":true,"shares":2887,"price":47.35,"value":136699.45,"ownership":{"direct":true},"balance_after":21516,"source":{"system":"sec-edgar","filing":"0000950170-25-030829","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025030829/ownership.xml","form_type":"4"}},{"id":1245867,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-23","kind":"exercise","planned":false,"acquired":false,"shares":54,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":44,"derivative":{"underlying":"Common Stock","underlying_shares":54},"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245866,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Restricted Stock Units","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-23","kind":"exercise","planned":false,"acquired":false,"shares":1101,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Settlement of RSUs granted on February 23, 2022. Each RSU represents a contingent right to receive one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Settlement of RSUs granted on February 23, 2022. Each RSU represents a contingent right to receive one share of ALSN common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Settlement of RSUs granted on February 23, 2022. Each RSU represents a contingent right to receive one share of ALSN common stock."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1101},"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245865,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-22","kind":"exercise","planned":false,"acquired":false,"shares":28,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":98,"derivative":{"underlying":"Common Stock","underlying_shares":28},"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245864,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Restricted Stock Units","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-22","kind":"exercise","planned":false,"acquired":false,"shares":962,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Settlement of RSUs granted on February 22, 2023. Each RSU represents a contingent right to receive one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Settlement of RSUs granted on February 22, 2023. Each RSU represents a contingent right to receive one share of ALSN common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Settlement of RSUs granted on February 22, 2023. Each RSU represents a contingent right to receive one share of ALSN common stock."}],"balance_after":963,"derivative":{"underlying":"Common Stock","underlying_shares":962},"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245863,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-21","kind":"exercise","planned":false,"acquired":false,"shares":7,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":126,"derivative":{"underlying":"Common Stock","underlying_shares":7},"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245862,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Restricted Stock Units","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-21","kind":"exercise","planned":false,"acquired":false,"shares":736,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 21, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 21, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 21, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":1472,"derivative":{"underlying":"Common Stock","underlying_shares":736},"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245861,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":330,"price":100.67,"value":33221.1,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of RSUs and DERs."}],"balance_after":18629,"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245860,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-23","kind":"exercise","planned":false,"acquired":true,"shares":54,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":18959,"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245859,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-23","kind":"exercise","planned":false,"acquired":true,"shares":1101,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Settlement of RSUs granted on February 23, 2022. Each RSU represents a contingent right to receive one share of ALSN common stock."}],"balance_after":18905,"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245858,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":305,"price":100.67,"value":30704.35,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of RSUs and DERs."}],"balance_after":17804,"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245857,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-22","kind":"exercise","planned":false,"acquired":true,"shares":28,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":18109,"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245856,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-22","kind":"exercise","planned":false,"acquired":true,"shares":962,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Settlement of RSUs granted on February 22, 2023. Each RSU represents a contingent right to receive one share of ALSN common stock."}],"balance_after":18081,"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245855,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":252,"price":100.67,"value":25368.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of RSUs and DERs."}],"balance_after":17119,"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245854,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-21","kind":"exercise","planned":false,"acquired":true,"shares":7,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":17371,"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1245853,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2025-02-25T21:05:20.000Z","date":"2025-02-21","kind":"exercise","planned":false,"acquired":true,"shares":736,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 21, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":17364,"source":{"system":"sec-edgar","filing":"0000950170-25-026625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025026625/ownership.xml","form_type":"4"}},{"id":1252667,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Restricted Stock Units","published_at":"2025-02-21T21:05:09.000Z","date":"2025-02-19","kind":"grant","planned":false,"acquired":true,"shares":1181,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The RSUs vest in three equal annual installments beginning on February 19, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The RSUs vest in three equal annual installments beginning on February 19, 2026."}],"balance_after":1181,"derivative":{"underlying":"Common Stock","underlying_shares":1181},"source":{"system":"sec-edgar","filing":"0000950170-25-024830","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025024830/ownership.xml","form_type":"4"}},{"id":1252666,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-02-21T21:05:09.000Z","date":"2025-02-19","kind":"grant","planned":false,"acquired":true,"shares":3543,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The options vest in three equal installments beginning on February 19, 2026."}],"balance_after":3543,"derivative":{"exercise_price":103.78,"expiration_date":"2035-02-19","underlying":"Common Stock","underlying_shares":3543},"source":{"system":"sec-edgar","filing":"0000950170-25-024830","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025024830/ownership.xml","form_type":"4"}},{"id":1271440,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Performance Stock Units","published_at":"2025-02-12T21:05:08.000Z","date":"2025-02-10","kind":"grant","planned":false,"acquired":true,"shares":6604,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each performance-based restricted stock unit (\"PSU\") represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"On February 23, 2022, the reporting person was granted PSUs with the number of PSUs earned to be determined based on the extent to which certain performance conditions were met for a performance period of 2022-2024. As determined on February 10, 2025, based on ALSN's actual performance for 2022-2024, the reporting person earned 6,604 PSUs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Earned PSUs will vest on February 28, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Earned PSUs will vest on February 28, 2025."}],"balance_after":6604,"derivative":{"underlying":"Common Stock","underlying_shares":6604},"source":{"system":"sec-edgar","filing":"0000950170-25-018829","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017025018829/ownership.xml","form_type":"4"}},{"id":1347085,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2024-12-02T21:00:08.000Z","date":"2024-11-27","kind":"grant","planned":false,"acquired":true,"shares":10,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":133,"derivative":{"underlying":"Common Stock","underlying_shares":10},"source":{"system":"sec-edgar","filing":"0000950170-24-132201","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000095017024132201/ownership.xml","form_type":"4"}},{"id":1415496,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2024-09-04T20:17:04.000Z","date":"2024-08-30","kind":"grant","planned":false,"acquired":true,"shares":13,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":123,"derivative":{"underlying":"Common Stock","underlying_shares":13},"source":{"system":"sec-edgar","filing":"0001062993-24-016100","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324016100/form4.xml","form_type":"4"}},{"id":1491900,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2024-06-04T20:19:26.000Z","date":"2024-05-31","kind":"grant","planned":false,"acquired":true,"shares":16,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":110,"derivative":{"underlying":"Common Stock","underlying_shares":16},"source":{"system":"sec-edgar","filing":"0001062993-24-011812","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324011812/form4.xml","form_type":"4"}},{"id":1523207,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-05-08T20:03:58.000Z","date":"2024-05-07","kind":"sale","planned":false,"acquired":false,"shares":7700,"price":75.6956,"value":582856.12,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $75.4500 to $75.9900. The reporting person undertakes to provide Allison Transmission Holdings, Inc. 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":16628,"source":{"system":"sec-edgar","filing":"0001062993-24-009642","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324009642/form4.xml","form_type":"4"}},{"id":1568294,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2024-03-19T21:18:36.000Z","date":"2024-03-15","kind":"grant","planned":false,"acquired":true,"shares":16,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":94,"derivative":{"underlying":"Common Stock","underlying_shares":16},"source":{"system":"sec-edgar","filing":"0001062993-24-006819","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324006819/form4.xml","form_type":"4"}},{"id":1606761,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Performance Stock Units","published_at":"2024-03-01T21:05:47.000Z","date":"2024-02-28","kind":"exercise","planned":false,"acquired":false,"shares":4498,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Settlement of performance-based restricted stock units (\"PSUs\") granted on February 10, 2021.  Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Settlement of performance-based restricted stock units (\"PSUs\") granted on February 10, 2021.  Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Settlement of performance-based restricted stock units (\"PSUs\") granted on February 10, 2021.  Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":4498},"source":{"system":"sec-edgar","filing":"0001062993-24-005065","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324005065/form4.xml","form_type":"4"}},{"id":1606760,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-03-01T21:05:47.000Z","date":"2024-02-28","kind":"tax_withholding","planned":false,"acquired":false,"shares":1282,"price":75.59,"value":96906.38,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of PSUs."}],"balance_after":24328,"source":{"system":"sec-edgar","filing":"0001062993-24-005065","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324005065/form4.xml","form_type":"4"}},{"id":1606759,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-03-01T21:05:47.000Z","date":"2024-02-28","kind":"exercise","planned":false,"acquired":true,"shares":4498,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Settlement of performance-based restricted stock units (\"PSUs\") granted on February 10, 2021.  Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":25610,"source":{"system":"sec-edgar","filing":"0001062993-24-005065","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324005065/form4.xml","form_type":"4"}},{"id":1615357,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-26","kind":"exercise","planned":false,"acquired":false,"shares":2886,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The option vests in three equal annual installments beginning on February 22, 2024."}],"balance_after":5774,"derivative":{"exercise_price":47.35,"expiration_date":"2033-02-22","underlying":"Common Stock","underlying_shares":2886},"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1615356,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-26","kind":"exercise","planned":false,"acquired":false,"shares":3302,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The options vest in three equal annual installments beginning on February 23, 2023."}],"balance_after":3303,"derivative":{"exercise_price":39.42,"expiration_date":"2032-02-23","underlying":"Common Stock","underlying_shares":3302},"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1615355,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-26","kind":"exercise","planned":false,"acquired":false,"shares":2761,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option vested in three equal annual installments beginning on February 10, 2022."}],"balance_after":0,"derivative":{"exercise_price":43.13,"expiration_date":"2031-02-10","underlying":"Common Stock","underlying_shares":2761},"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1615354,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-23","kind":"exercise","planned":false,"acquired":false,"shares":42,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":78,"derivative":{"underlying":"Common Stock","underlying_shares":42},"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1615353,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Restricted Stock Units","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-23","kind":"exercise","planned":false,"acquired":false,"shares":1101,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":1101,"derivative":{"underlying":"Common Stock","underlying_shares":1101},"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1615352,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-26","kind":"sale","planned":false,"acquired":false,"shares":6241,"price":74.8718,"value":467274.9038,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $74.7488 to $74.9799. The reporting person undertakes to provide ALSN 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":21112,"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1615351,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-26","kind":"exercise","planned":false,"acquired":true,"shares":2886,"price":47.35,"value":136652.1,"ownership":{"direct":true},"balance_after":27353,"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1615350,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-26","kind":"exercise","planned":false,"acquired":true,"shares":3302,"price":39.42,"value":130164.84,"ownership":{"direct":true},"balance_after":24467,"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1615349,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-26","kind":"exercise","planned":false,"acquired":true,"shares":2761,"price":43.13,"value":119081.93,"ownership":{"direct":true},"balance_after":21165,"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1615348,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":324,"price":74.63,"value":24180.12,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of DERs and RSUs."}],"balance_after":18404,"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1615347,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-23","kind":"exercise","planned":false,"acquired":true,"shares":42,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":18728,"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1615346,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-27T21:39:24.000Z","date":"2024-02-23","kind":"exercise","planned":false,"acquired":true,"shares":1101,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":18686,"source":{"system":"sec-edgar","filing":"0001062993-24-004591","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004591/form4.xml","form_type":"4"}},{"id":1622339,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2024-02-23T21:36:34.000Z","date":"2024-02-22","kind":"exercise","planned":false,"acquired":false,"shares":17,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":120,"derivative":{"underlying":"Common Stock","underlying_shares":17},"source":{"system":"sec-edgar","filing":"0001062993-24-004272","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004272/form4.xml","form_type":"4"}},{"id":1622338,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Restricted Stock Units","published_at":"2024-02-23T21:36:34.000Z","date":"2024-02-22","kind":"exercise","planned":false,"acquired":false,"shares":962,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 22, 2023. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 22, 2023. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 22, 2023. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":1925,"derivative":{"underlying":"Common Stock","underlying_shares":962},"source":{"system":"sec-edgar","filing":"0001062993-24-004272","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004272/form4.xml","form_type":"4"}},{"id":1622337,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Restricted Stock Units","published_at":"2024-02-23T21:36:34.000Z","date":"2024-02-21","kind":"grant","planned":false,"acquired":true,"shares":2208,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RSU represents a contingent right to receive one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The RSUs vest in three equal annual installments beginning on February 21, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The RSUs vest in three equal annual installments beginning on February 21, 2025."}],"balance_after":2208,"derivative":{"underlying":"Common Stock","underlying_shares":2208},"source":{"system":"sec-edgar","filing":"0001062993-24-004272","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004272/form4.xml","form_type":"4"}},{"id":1622336,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2024-02-23T21:36:34.000Z","date":"2024-02-21","kind":"grant","planned":false,"acquired":true,"shares":6625,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The options vest in three equal annual installments beginning on February 21, 2025."}],"balance_after":6625,"derivative":{"exercise_price":70.88,"expiration_date":"2034-02-21","underlying":"Common Stock","underlying_shares":6625},"source":{"system":"sec-edgar","filing":"0001062993-24-004272","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004272/form4.xml","form_type":"4"}},{"id":1622335,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-23T21:36:34.000Z","date":"2024-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":320,"price":73.39,"value":23484.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of DERs and RSUs."}],"balance_after":17585,"source":{"system":"sec-edgar","filing":"0001062993-24-004272","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004272/form4.xml","form_type":"4"}},{"id":1622334,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-23T21:36:34.000Z","date":"2024-02-22","kind":"exercise","planned":false,"acquired":true,"shares":17,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":17905,"source":{"system":"sec-edgar","filing":"0001062993-24-004272","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004272/form4.xml","form_type":"4"}},{"id":1622333,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-23T21:36:34.000Z","date":"2024-02-22","kind":"exercise","planned":false,"acquired":true,"shares":962,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 22, 2023. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":17888,"source":{"system":"sec-edgar","filing":"0001062993-24-004272","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324004272/form4.xml","form_type":"4"}},{"id":1645917,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Pefromance Stock Units","published_at":"2024-02-13T21:37:31.000Z","date":"2024-02-12","kind":"grant","planned":false,"acquired":true,"shares":4498,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each performance-based restricted stock unit (\"PSU\") represents a contingent right to receive one share of ALSN common stock."},{"field":"shares","element":"transactionShares","label":"F5","text":"On February 10, 2021, the reporting person was granted PSUs with a number of PSUs earned to be determined based on the extent to which certain performance conditions were met for a performance period of 2021-2023.  As determined on February 12, 2024, based on ALSN's actual performance for 2021-2023, the reporting person earned 4,498 PSUs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Earned PSUs will vest on February 28, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Earned PSUs will vest on February 28, 2024."}],"balance_after":4498,"derivative":{"underlying":"Common Stock","underlying_shares":4498},"source":{"system":"sec-edgar","filing":"0001062993-24-003007","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324003007/form4.xml","form_type":"4"}},{"id":1645916,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2024-02-13T21:37:31.000Z","date":"2024-02-10","kind":"exercise","planned":false,"acquired":false,"shares":52,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":137,"derivative":{"underlying":"Common Stock","underlying_shares":52},"source":{"system":"sec-edgar","filing":"0001062993-24-003007","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324003007/form4.xml","form_type":"4"}},{"id":1645915,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Restricted Stock Units","published_at":"2024-02-13T21:37:31.000Z","date":"2024-02-10","kind":"exercise","planned":false,"acquired":false,"shares":920,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 10, 2021. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 10, 2021. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 10, 2021. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":920},"source":{"system":"sec-edgar","filing":"0001062993-24-003007","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324003007/form4.xml","form_type":"4"}},{"id":1645914,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-13T21:37:31.000Z","date":"2024-02-10","kind":"tax_withholding","planned":false,"acquired":false,"shares":329,"price":61.7,"value":20299.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of DERs and RSUs."}],"balance_after":16926,"source":{"system":"sec-edgar","filing":"0001062993-24-003007","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324003007/form4.xml","form_type":"4"}},{"id":1645913,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-13T21:37:31.000Z","date":"2024-02-10","kind":"exercise","planned":false,"acquired":true,"shares":52,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":17255,"source":{"system":"sec-edgar","filing":"0001062993-24-003007","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324003007/form4.xml","form_type":"4"}},{"id":1645912,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2024-02-13T21:37:31.000Z","date":"2024-02-10","kind":"exercise","planned":false,"acquired":true,"shares":920,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 10, 2021. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":17203,"source":{"system":"sec-edgar","filing":"0001062993-24-003007","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299324003007/form4.xml","form_type":"4"}},{"id":1723682,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2023-12-04T19:05:17.000Z","date":"2023-11-30","kind":"grant","planned":false,"acquired":true,"shares":25,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":189,"derivative":{"underlying":"Common Stock","underlying_shares":25},"source":{"system":"sec-edgar","filing":"0001062993-23-021811","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323021811/form4.xml","form_type":"4"}},{"id":1789032,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2023-09-05T20:11:48.000Z","date":"2023-08-31","kind":"grant","planned":false,"acquired":true,"shares":22,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":164,"derivative":{"underlying":"Common Stock","underlying_shares":22},"source":{"system":"sec-edgar","filing":"0001062993-23-017538","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323017538/form4.xml","form_type":"4"}},{"id":1792950,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-08-30T20:02:10.000Z","date":"2023-08-28","kind":"exercise","planned":false,"acquired":false,"shares":3302,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The options vest in three equal annual installments beginning on February 23, 2023."}],"balance_after":6605,"derivative":{"exercise_price":39.42,"expiration_date":"2032-02-23","underlying":"Common Stock","underlying_shares":3302},"source":{"system":"sec-edgar","filing":"0001062993-23-017269","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323017269/form4.xml","form_type":"4"}},{"id":1792949,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-08-30T20:02:10.000Z","date":"2023-08-28","kind":"exercise","planned":false,"acquired":false,"shares":5520,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The options vest in three equal annual installments beginning on February 10, 2022."}],"balance_after":2761,"derivative":{"exercise_price":43.13,"expiration_date":"2031-02-10","underlying":"Common Stock","underlying_shares":5520},"source":{"system":"sec-edgar","filing":"0001062993-23-017269","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323017269/form4.xml","form_type":"4"}},{"id":1792948,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-08-30T20:02:10.000Z","date":"2023-08-28","kind":"exercise","planned":false,"acquired":false,"shares":5705,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vested on February 20, 2022."}],"balance_after":0,"derivative":{"exercise_price":49.6,"expiration_date":"2029-02-20","underlying":"Common Stock","underlying_shares":5705},"source":{"system":"sec-edgar","filing":"0001062993-23-017269","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323017269/form4.xml","form_type":"4"}},{"id":1792947,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2023-08-30T20:02:10.000Z","date":"2023-08-28","kind":"sale","planned":false,"acquired":false,"shares":12153,"price":59.171,"value":719105.163,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $59.1000 to $59.2200. The reporting person undertakes to provide Allison Transmission Holdings, Inc.  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":16283,"source":{"system":"sec-edgar","filing":"0001062993-23-017269","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323017269/form4.xml","form_type":"4"}},{"id":1792946,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2023-08-30T20:02:10.000Z","date":"2023-08-28","kind":"exercise","planned":false,"acquired":true,"shares":3302,"price":39.42,"value":130164.84,"ownership":{"direct":true},"balance_after":28436,"source":{"system":"sec-edgar","filing":"0001062993-23-017269","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323017269/form4.xml","form_type":"4"}},{"id":1792945,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2023-08-30T20:02:10.000Z","date":"2023-08-28","kind":"exercise","planned":false,"acquired":true,"shares":5520,"price":43.13,"value":238077.6,"ownership":{"direct":true},"balance_after":25134,"source":{"system":"sec-edgar","filing":"0001062993-23-017269","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323017269/form4.xml","form_type":"4"}},{"id":1792944,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2023-08-30T20:02:10.000Z","date":"2023-08-28","kind":"exercise","planned":false,"acquired":true,"shares":5705,"price":49.6,"value":282968.0,"ownership":{"direct":true},"balance_after":19614,"source":{"system":"sec-edgar","filing":"0001062993-23-017269","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323017269/form4.xml","form_type":"4"}},{"id":1869450,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Dividend Equivalent Rights","published_at":"2023-06-02T19:32:21.000Z","date":"2023-05-31","kind":"grant","planned":false,"acquired":true,"shares":28,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":142,"derivative":{"underlying":"Common Stock","underlying_shares":28},"source":{"system":"sec-edgar","filing":"0001062993-23-012742","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323012742/form4.xml","form_type":"4"}},{"id":1884398,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-05-19T20:00:38.000Z","date":"2023-05-17","kind":"exercise","planned":false,"acquired":false,"shares":6761,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vested on February 25, 2023."}],"balance_after":0,"derivative":{"exercise_price":43.24,"expiration_date":"2030-02-25","underlying":"Common Stock","underlying_shares":6761},"source":{"system":"sec-edgar","filing":"0001062993-23-011787","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323011787/form4.xml","form_type":"4"}},{"id":1884397,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-05-19T20:00:38.000Z","date":"2023-05-17","kind":"exercise","planned":false,"acquired":false,"shares":5892,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vested on February 7, 2021."}],"balance_after":0,"derivative":{"exercise_price":43.3,"expiration_date":"2028-02-07","underlying":"Common Stock","underlying_shares":5892},"source":{"system":"sec-edgar","filing":"0001062993-23-011787","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323011787/form4.xml","form_type":"4"}},{"id":1884396,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2023-05-19T20:00:38.000Z","date":"2023-05-17","kind":"sale","planned":false,"acquired":false,"shares":11696,"price":48.471,"value":566916.816,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $48.3950 to $48.5700. The reporting person undertakes to provide Allison Transmission Holdings, Inc.  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":13909,"source":{"system":"sec-edgar","filing":"0001062993-23-011787","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323011787/form4.xml","form_type":"4"}},{"id":1884395,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2023-05-19T20:00:38.000Z","date":"2023-05-17","kind":"exercise","planned":false,"acquired":true,"shares":6761,"price":43.24,"value":292345.64,"ownership":{"direct":true},"balance_after":25605,"source":{"system":"sec-edgar","filing":"0001062993-23-011787","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323011787/form4.xml","form_type":"4"}},{"id":1884394,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Chief Procurement Officer"}}],"security":"Common Stock","published_at":"2023-05-19T20:00:38.000Z","date":"2023-05-17","kind":"exercise","planned":false,"acquired":true,"shares":5892,"price":43.3,"value":255123.6,"ownership":{"direct":true},"balance_after":18844,"source":{"system":"sec-edgar","filing":"0001062993-23-011787","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323011787/form4.xml","form_type":"4"}},{"id":1942874,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Dividend Equivalent Rights","published_at":"2023-03-21T20:27:12.000Z","date":"2023-03-17","kind":"grant","planned":false,"acquired":true,"shares":32,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":114,"derivative":{"underlying":"Common Stock","underlying_shares":32},"source":{"system":"sec-edgar","filing":"0001062993-23-007389","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323007389/form4.xml","form_type":"4"}},{"id":1986645,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Dividend Equivalent Rights","published_at":"2023-03-01T00:36:58.000Z","date":"2023-02-25","kind":"exercise","acquired":false,"shares":133,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":82,"derivative":{"underlying":"Common Stock","underlying_shares":133},"source":{"system":"sec-edgar","filing":"0001062993-23-005204","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323005204/form4.xml","form_type":"4"}},{"id":1986644,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Restricted Stock Units","published_at":"2023-03-01T00:36:58.000Z","date":"2023-02-25","kind":"exercise","acquired":false,"shares":2254,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 25, 2020. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 25, 2020. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 25, 2020. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2254},"source":{"system":"sec-edgar","filing":"0001062993-23-005204","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323005204/form4.xml","form_type":"4"}},{"id":1986643,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Common Stock","published_at":"2023-03-01T00:36:58.000Z","date":"2023-02-25","kind":"tax_withholding","acquired":false,"shares":697,"price":47.54,"value":33135.38,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of DERs and RSUs."}],"balance_after":12952,"source":{"system":"sec-edgar","filing":"0001062993-23-005204","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323005204/form4.xml","form_type":"4"}},{"id":1986642,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Common Stock","published_at":"2023-03-01T00:36:58.000Z","date":"2023-02-25","kind":"exercise","acquired":true,"shares":133,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":13649,"source":{"system":"sec-edgar","filing":"0001062993-23-005204","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323005204/form4.xml","form_type":"4"}},{"id":1986641,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Common Stock","published_at":"2023-03-01T00:36:58.000Z","date":"2023-02-25","kind":"exercise","acquired":true,"shares":2254,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 25, 2020. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":13516,"source":{"system":"sec-edgar","filing":"0001062993-23-005204","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323005204/form4.xml","form_type":"4"}},{"id":1990084,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Dividend Equivalent Rights","published_at":"2023-02-27T19:31:52.000Z","date":"2023-02-23","kind":"exercise","acquired":false,"shares":22,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":215,"derivative":{"underlying":"Common Stock","underlying_shares":22},"source":{"system":"sec-edgar","filing":"0001062993-23-004960","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323004960/form4.xml","form_type":"4"}},{"id":1990083,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Restricted Stock Units","published_at":"2023-02-27T19:31:52.000Z","date":"2023-02-23","kind":"exercise","acquired":false,"shares":1100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":2202,"derivative":{"underlying":"Common Stock","underlying_shares":1100},"source":{"system":"sec-edgar","filing":"0001062993-23-004960","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323004960/form4.xml","form_type":"4"}},{"id":1990082,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Common Stock","published_at":"2023-02-27T19:31:52.000Z","date":"2023-02-23","kind":"tax_withholding","acquired":false,"shares":381,"price":47.57,"value":18124.17,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of DERs and RSUs."}],"balance_after":11262,"source":{"system":"sec-edgar","filing":"0001062993-23-004960","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323004960/form4.xml","form_type":"4"}},{"id":1990081,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Common Stock","published_at":"2023-02-27T19:31:52.000Z","date":"2023-02-23","kind":"exercise","acquired":true,"shares":22,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":11643,"source":{"system":"sec-edgar","filing":"0001062993-23-004960","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323004960/form4.xml","form_type":"4"}},{"id":1990080,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Common Stock","published_at":"2023-02-27T19:31:52.000Z","date":"2023-02-23","kind":"exercise","acquired":true,"shares":1100,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":11621,"source":{"system":"sec-edgar","filing":"0001062993-23-004960","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323004960/form4.xml","form_type":"4"}},{"id":1992917,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Restricted Stock Units","published_at":"2023-02-24T21:13:15.000Z","date":"2023-02-22","kind":"grant","acquired":true,"shares":2887,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The RSUs vests in three equal annual installments beginning on February 22, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The RSUs vests in three equal annual installments beginning on February 22, 2024."}],"balance_after":2887,"derivative":{"underlying":"Common Stock","underlying_shares":2887},"source":{"system":"sec-edgar","filing":"0001062993-23-004781","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323004781/form4.xml","form_type":"4"}},{"id":1992916,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-02-24T21:13:15.000Z","date":"2023-02-22","kind":"grant","acquired":true,"shares":8660,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests in three equal annual installments beginning on February 22, 2024."}],"balance_after":8660,"derivative":{"exercise_price":47.35,"expiration_date":"2033-02-22","underlying":"Common Stock","underlying_shares":8660},"source":{"system":"sec-edgar","filing":"0001062993-23-004781","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323004781/form4.xml","form_type":"4"}},{"id":2015988,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Dividend Equivalent Rights","published_at":"2023-02-14T21:34:43.000Z","date":"2023-02-10","kind":"exercise","acquired":false,"shares":36,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":237,"derivative":{"underlying":"Common Stock","underlying_shares":36},"source":{"system":"sec-edgar","filing":"0001062993-23-003424","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323003424/form4.xml","form_type":"4"}},{"id":2015987,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Restricted Stock Units","published_at":"2023-02-14T21:34:43.000Z","date":"2023-02-10","kind":"exercise","acquired":false,"shares":920,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 10, 2021. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 10, 2021. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 10, 2021. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":920,"derivative":{"underlying":"Common Stock","underlying_shares":920},"source":{"system":"sec-edgar","filing":"0001062993-23-003424","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323003424/form4.xml","form_type":"4"}},{"id":2015986,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Common Stock","published_at":"2023-02-14T21:34:43.000Z","date":"2023-02-10","kind":"tax_withholding","acquired":false,"shares":325,"price":45.32,"value":14729.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of DERs and RSUs."}],"balance_after":10521,"source":{"system":"sec-edgar","filing":"0001062993-23-003424","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323003424/form4.xml","form_type":"4"}},{"id":2015985,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Common Stock","published_at":"2023-02-14T21:34:43.000Z","date":"2023-02-10","kind":"exercise","acquired":true,"shares":36,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Settlement of dividend equivalent rights (\"DERs\"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock."}],"balance_after":10846,"source":{"system":"sec-edgar","filing":"0001062993-23-003424","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323003424/form4.xml","form_type":"4"}},{"id":2015984,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Common Stock","published_at":"2023-02-14T21:34:43.000Z","date":"2023-02-10","kind":"exercise","acquired":true,"shares":920,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Settlement of restricted stock units (\"RSUs\") granted on February 10, 2021. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. (\"ALSN\") common stock."}],"balance_after":10810,"source":{"system":"sec-edgar","filing":"0001062993-23-003424","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299323003424/form4.xml","form_type":"4"}},{"id":2098056,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Dividend Equivalent Rights","published_at":"2022-12-02T21:01:09.000Z","date":"2022-11-30","kind":"grant","acquired":true,"shares":34,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":273,"derivative":{"underlying":"Common Stock","underlying_shares":34},"source":{"system":"sec-edgar","filing":"0001062993-22-023164","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299322023164/form4.xml","form_type":"4"}},{"id":2167404,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Dividend Equivalent Rights","published_at":"2022-09-02T17:36:43.000Z","date":"2022-08-31","kind":"grant","acquired":true,"shares":42,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":239,"derivative":{"underlying":"Common Stock","underlying_shares":42},"source":{"system":"sec-edgar","filing":"0001062993-22-019108","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299322019108/form4.xml","form_type":"4"}},{"id":2249390,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Dividend Equivalent Rights","published_at":"2022-06-01T19:35:02.000Z","date":"2022-05-27","kind":"grant","acquired":true,"shares":38,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":197,"derivative":{"underlying":"Common Stock","underlying_shares":38},"source":{"system":"sec-edgar","filing":"0001062993-22-013958","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299322013958/form4.xml","form_type":"4"}},{"id":2321186,"issuer":{"id":246,"kind":"organization","name":"Allison Transmission Holdings Inc","symbol":"ALSN"},"owners":[{"id":71980,"kind":"person","name":"van Niekerk Teresa","position":1,"cik":"0001918190","reported_name":"van Niekerk Teresa","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Global Purchasing & SQ"}}],"security":"Dividend Equivalent Rights","published_at":"2022-03-22T20:41:59.000Z","date":"2022-03-18","kind":"grant","acquired":true,"shares":38,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The dividend equivalent rights accrued on previously awarded restricted stock units (\"RSUs\") and vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."}],"balance_after":159,"derivative":{"underlying":"Common Stock","underlying_shares":38},"source":{"system":"sec-edgar","filing":"0001062993-22-008318","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1411207/000106299322008318/form4.xml","form_type":"4"}}]}