{"transactions":[{"id":3523795,"issuer":{"id":1744,"kind":"organization","name":"VIASAT INC","symbol":"VSAT"},"owners":[{"id":48135,"kind":"person","name":"Ayyar Shekar G","position":1,"cik":"0001297901","reported_name":"Ayyar Shekar G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"restricted stock unit","published_at":"2026-09-08T20:26:10.000Z","date":"2026-09-03","kind":"exercise","planned":false,"acquired":false,"shares":1231,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Until vested, the restricted stock unit shall be subject to forfeiture in the event of termination of the directorship with the Issuer."}],"balance_after":0,"derivative":{"exercise_price":0,"exercise_date":"2026-09-03","underlying":"common 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receive one share of Viasat, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units will vest and convert into shares of common stock of the Issuer on the first to occur of (i) the first anniversary of the date of grant or (ii) the next occurring annual meeting of the Company's stockholders, subject to the Non-Employee Director continuing in service on the Board through such vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units will vest and convert into shares of common stock of the Issuer on the first to occur of (i) the first anniversary of the date of grant or (ii) the next occurring annual meeting of the Company's stockholders, subject to the Non-Employee Director continuing in service on the Board through such vesting date."}],"balance_after":3485,"derivative":{"underlying":"common 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first to occur of (i) the first anniversary of the date of grant or (ii) the next occurring annual meeting of the Company's stockholders, subject to the Non-Employee Director continuing in service on the Board through such vesting date."}],"balance_after":1231,"derivative":{"underlying":"common stock","underlying_shares":1231},"source":{"system":"sec-edgar","filing":"0001193125-26-220209","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/797721/000119312526220209/ownership.xml","form_type":"4"}},{"id":1190798,"issuer":{"id":81502,"kind":"organization","name":"Altair Engineering Inc.","symbol":"ALTR"},"owners":[{"id":48135,"kind":"person","name":"Ayyar Shekar G","position":1,"cik":"0001297901","reported_name":"Ayyar Shekar G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common 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(\"Siemens\") pursuant to the merger agreement entered into among the Company, Siemens, and Astra Merger Sub Inc., dated as of October 30, 2024."},{"field":"shares","element":"transactionShares","label":"F2","text":"Includes 2,347 unvested Class A Common Stock restricted stock units (\"RSUs\")."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Upon the consummation of the merger, each issued and outstanding share of the Company's Class A Common Stock was canceled and converted into the right receive $113.00 in cash without interest. Each RSU that was granted under the Company's 2017 Equity Incentive Plan (the \"2017 Plan\") that was outstanding immediately prior to the consummation of the merger was vested, canceled and converted into the right to receive $113.00 in cash without interest."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-25-045316","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1297901/000095017025045316/ownership.xml","form_type":"4"}},{"id":1520512,"issuer":{"id":81502,"kind":"organization","name":"Altair Engineering Inc.","symbol":"ALTR"},"owners":[{"id":48135,"kind":"person","name":"Ayyar Shekar G","position":1,"cik":"0001297901","reported_name":"Ayyar Shekar G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2024-05-10T13:28:27.000Z","date":"2024-05-08","kind":"grant","planned":false,"acquired":true,"shares":2347,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On May 8, 2024, the Reporting Person was granted 2,347 Class A Common Stock restricted stock units, which will vest on May 8, 2025. Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,375 Class A Common Stock restricted stock units that are unvested."}],"balance_after":11312,"source":{"system":"sec-edgar","filing":"0001127602-24-014907","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1297901/000112760224014907/form4.xml","form_type":"4"}},{"id":1898003,"issuer":{"id":81502,"kind":"organization","name":"Altair Engineering Inc.","symbol":"ALTR"},"owners":[{"id":48135,"kind":"person","name":"Ayyar Shekar G","position":1,"cik":"0001297901","reported_name":"Ayyar Shekar G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2023-05-10T23:47:31.000Z","date":"2023-05-09","kind":"grant","planned":false,"acquired":true,"shares":2974,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On May 9, 2023, the Reporting Person was granted 2,974 Class A Common Stock restricted stock units, which will vest on May 9, 2024. Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 8,965 Class A Common Stock restricted stock units that are unvested."}],"balance_after":8965,"source":{"system":"sec-edgar","filing":"0001127602-23-015159","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1297901/000112760223015159/form4.xml","form_type":"4"}},{"id":1979135,"issuer":{"id":81502,"kind":"organization","name":"Altair Engineering Inc.","symbol":"ALTR"},"owners":[{"id":48135,"kind":"person","name":"Ayyar Shekar G","position":1,"cik":"0001297901","reported_name":"Ayyar Shekar G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2023-03-02T13:07:11.000Z","date":"2023-03-01","kind":"sale","acquired":false,"shares":4177,"price":64.756,"value":270485.812,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.73 to $64.85 per share, inclusive. The reporting person undertakes to provide to Altair Engineering Inc., any security holder of Altair Engineering 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 ranges set forth herein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 5,991 Class A Common Stock restricted stock units that are unvested."}],"balance_after":5991,"source":{"system":"sec-edgar","filing":"0001127602-23-008068","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1297901/000112760223008068/form4.xml","form_type":"4"}},{"id":2271812,"issuer":{"id":81502,"kind":"organization","name":"Altair Engineering Inc.","symbol":"ALTR"},"owners":[{"id":48135,"kind":"person","name":"Ayyar Shekar G","position":1,"cik":"0001297901","reported_name":"Ayyar Shekar G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2022-05-13T17:16:14.000Z","date":"2022-05-12","kind":"grant","acquired":true,"shares":3934,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On May 12, 2022, the Reporting Person was granted 3,934 Class A Common Stock restricted stock units, which will vest on May 12, 2023. 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