{"transactions":[{"id":3737383,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-12-10T18:42:31.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":12667,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."}],"balance_after":12667,"derivative":{"exercise_price":35.28,"exercise_date":"2021-01-01","expiration_date":"2028-01-01","underlying":"Common Stock","underlying_shares":12667},"source":{"system":"sec-edgar","filing":"0001104659-18-072161","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918072161/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3737382,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-12-10T18:42:31.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":9421,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."}],"balance_after":9421,"derivative":{"exercise_price":40.53,"exercise_date":"2020-01-01","expiration_date":"2027-01-01","underlying":"Common Stock","underlying_shares":9421},"source":{"system":"sec-edgar","filing":"0001104659-18-072161","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918072161/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3737381,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-12-10T18:42:31.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":11004,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."}],"balance_after":11004,"derivative":{"exercise_price":32.31,"exercise_date":"2019-01-01","expiration_date":"2026-01-01","underlying":"Common Stock","underlying_shares":11004},"source":{"system":"sec-edgar","filing":"0001104659-18-072161","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918072161/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3737380,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-12-10T18:42:31.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":8233,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."}],"balance_after":8233,"derivative":{"exercise_price":46.92,"expiration_date":"2025-01-01","underlying":"Common Stock","underlying_shares":8233},"source":{"system":"sec-edgar","filing":"0001104659-18-072161","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918072161/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3737379,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-12-10T18:42:31.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":5383,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."}],"balance_after":5383,"derivative":{"exercise_price":55.64,"expiration_date":"2024-01-01","underlying":"Common Stock","underlying_shares":5383},"source":{"system":"sec-edgar","filing":"0001104659-18-072161","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918072161/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3737378,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-12-10T18:42:31.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":10054,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."}],"balance_after":10054,"derivative":{"exercise_price":36.55,"expiration_date":"2023-01-01","underlying":"Common Stock","underlying_shares":10054},"source":{"system":"sec-edgar","filing":"0001104659-18-072161","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918072161/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3737377,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-12-10T18:42:31.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":10371,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to correct the previously disclosed exercise price calculated in respect of each grant."}],"balance_after":10371,"derivative":{"exercise_price":33.96,"expiration_date":"2022-01-01","underlying":"Common Stock","underlying_shares":10371},"source":{"system":"sec-edgar","filing":"0001104659-18-072161","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918072161/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3748715,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-29T17:29:52.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":12667,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."}],"balance_after":12667,"derivative":{"exercise_price":29.3,"exercise_date":"2021-01-01","expiration_date":"2028-01-01","underlying":"Common Stock","underlying_shares":12667},"source":{"system":"sec-edgar","filing":"0001104659-18-070654","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918070654/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3748714,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-29T17:29:52.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":9421,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."}],"balance_after":9421,"derivative":{"exercise_price":33.66,"exercise_date":"2020-01-01","expiration_date":"2027-01-01","underlying":"Common Stock","underlying_shares":9421},"source":{"system":"sec-edgar","filing":"0001104659-18-070654","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918070654/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3748713,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-29T17:29:52.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":11004,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."}],"balance_after":11004,"derivative":{"exercise_price":26.83,"exercise_date":"2019-01-01","expiration_date":"2026-01-01","underlying":"Common Stock","underlying_shares":11004},"source":{"system":"sec-edgar","filing":"0001104659-18-070654","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918070654/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3748712,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-29T17:29:52.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":8233,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."}],"balance_after":8233,"derivative":{"exercise_price":38.96,"expiration_date":"2025-01-01","underlying":"Common Stock","underlying_shares":8233},"source":{"system":"sec-edgar","filing":"0001104659-18-070654","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918070654/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3748711,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-29T17:29:52.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":5383,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."}],"balance_after":5383,"derivative":{"exercise_price":46.21,"expiration_date":"2024-01-01","underlying":"Common Stock","underlying_shares":5383},"source":{"system":"sec-edgar","filing":"0001104659-18-070654","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918070654/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3748710,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-29T17:29:52.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":10054,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."}],"balance_after":10054,"derivative":{"exercise_price":30.36,"expiration_date":"2023-01-01","underlying":"Common Stock","underlying_shares":10054},"source":{"system":"sec-edgar","filing":"0001104659-18-070654","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918070654/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3748709,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-29T17:29:52.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":10371,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award were calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). This amendment is being filed to disclose the number of underlying shares and exercise price that have been determined in respect of each grant."}],"balance_after":10371,"derivative":{"exercise_price":28.2,"expiration_date":"2022-01-01","underlying":"Common Stock","underlying_shares":10371},"source":{"system":"sec-edgar","filing":"0001104659-18-070654","document":"a4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918070654/a4a.xml","form_type":"4/A","original_submission_date":"2018-11-14"}},{"id":3764405,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-14T20:04:57.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":0,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"shares","element":"transactionShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."}],"balance_after":0,"derivative":{"exercise_date":"2021-01-01","expiration_date":"2028-01-01","underlying":"Common Stock"},"source":{"system":"sec-edgar","filing":"0001104659-18-068564","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918068564/a4.xml","form_type":"4"}},{"id":3764404,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-14T20:04:57.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":0,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"shares","element":"transactionShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."}],"balance_after":0,"derivative":{"exercise_date":"2020-01-01","expiration_date":"2027-01-01","underlying":"Common Stock"},"source":{"system":"sec-edgar","filing":"0001104659-18-068564","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918068564/a4.xml","form_type":"4"}},{"id":3764403,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-14T20:04:57.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":0,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"shares","element":"transactionShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."}],"balance_after":0,"derivative":{"exercise_date":"2019-01-01","expiration_date":"2026-01-01","underlying":"Common Stock"},"source":{"system":"sec-edgar","filing":"0001104659-18-068564","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918068564/a4.xml","form_type":"4"}},{"id":3764402,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-14T20:04:57.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":0,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"shares","element":"transactionShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."}],"balance_after":0,"derivative":{"expiration_date":"2025-01-01","underlying":"Common Stock"},"source":{"system":"sec-edgar","filing":"0001104659-18-068564","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918068564/a4.xml","form_type":"4"}},{"id":3764401,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-14T20:04:57.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":0,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"shares","element":"transactionShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."}],"balance_after":0,"derivative":{"expiration_date":"2024-01-01","underlying":"Common Stock"},"source":{"system":"sec-edgar","filing":"0001104659-18-068564","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918068564/a4.xml","form_type":"4"}},{"id":3764400,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-14T20:04:57.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":0,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"shares","element":"transactionShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."}],"balance_after":0,"derivative":{"expiration_date":"2023-01-01","underlying":"Common Stock"},"source":{"system":"sec-edgar","filing":"0001104659-18-068564","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918068564/a4.xml","form_type":"4"}},{"id":3764399,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2018-11-14T20:04:57.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":0,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"shares","element":"transactionShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option has vested as to all shares subject to the grant."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"In connection with the spin-off of ETRN from EQT, for each outstanding EQT stock option award held by the Reporting Person immediately prior to the spin-off, the Reporting Person received a stock option award from ETRN.  The number of underlying shares and exercise price of each ETRN stock option award will be calculated in a manner intended to preserve the aggregate intrinsic value of the original EQT stock option award (based in part on the volume weighted average per-share price of ETRN's common stock during each of the first ten full NYSE trading sessions commencing November 13, 2018). Once the exercise price and number of underlying shares has been determined in respect of each grant, an amended Form 4 will be filed disclosing such information."}],"balance_after":0,"derivative":{"expiration_date":"2022-01-01","underlying":"Common Stock"},"source":{"system":"sec-edgar","filing":"0001104659-18-068564","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918068564/a4.xml","form_type":"4"}},{"id":3764398,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Common Stock","published_at":"2018-11-14T20:04:57.000Z","date":"2018-11-12","kind":"other","acquired":true,"shares":16038,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Savings Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"In connection with the spin-off of ETRN from EQT, for each share of EQT common stock held through the EQT Corporation Employee Savings Plan (Savings Plan) immediately prior to the spin-off, 0.8 shares of ETRN common stock were distributed to the Savings Plan in an exempt transaction pursuant to Rule 16a-9 of the Securities Exchange Act of 1934, as amended."}],"balance_after":16038,"source":{"system":"sec-edgar","filing":"0001104659-18-068564","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918068564/a4.xml","form_type":"4"}},{"id":3764397,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Common Stock","published_at":"2018-11-14T20:04:57.000Z","date":"2018-11-12","kind":"grant","acquired":true,"shares":6650,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"In connection with the spin-off of ETRN from EQT, for each share of EQT restricted stock held by the Reporting Person immediately prior to the spin-off, the Reporting Person received 0.8 shares of ETRN restricted stock pursuant to the Employee Matters Agreement between ETRN and EQT."},{"field":"shares","element":"transactionShares","label":"F3","text":"2,819 shares of restricted stock vest on January 1, 2020, which is the third anniversary of the original grant date of the corresponding award from EQT.  The remaining 3,831 shares of restricted stock vest on January 1, 2021, which is the third anniversary of the original grant date of the corresponding award from EQT."}],"balance_after":35381,"source":{"system":"sec-edgar","filing":"0001104659-18-068564","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918068564/a4.xml","form_type":"4"}},{"id":3764396,"issuer":{"id":88825,"kind":"organization","name":"Midstream Co LLC","symbol":"ETRN"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr VP & Chief Admin Officer"}}],"security":"Common Stock","published_at":"2018-11-14T20:04:57.000Z","date":"2018-11-12","kind":"other","acquired":true,"shares":28731,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"In connection with the spin-off of Equitrans Midstream Corporation (ETRN) from EQT Corporation (EQT) on November 12, 2018, for each share of EQT common stock held by the Reporting Person immediately prior to the spin-off, the Reporting Person received 0.8 shares of ETRN common stock in whole shares, with partial shares paid in cash, in an exempt transaction pursuant to Rule 16a-9 of the Securities Exchange Act of 1934, as amended."}],"balance_after":28731,"source":{"system":"sec-edgar","filing":"0001104659-18-068564","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1240751/000110465918068564/a4.xml","form_type":"4"}},{"id":4036089,"issuer":{"id":3112,"kind":"organization","name":"EQT Corp","symbol":"EQT"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"officer":true,"officer_title":"VP & Chief HR Officer"}}],"security":"Common Stock","published_at":"2018-02-26T22:09:41.000Z","date":"2018-02-22","kind":"tax_withholding","acquired":false,"shares":6726,"price":50.82,"value":341815.32,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"The Company, consistent with its practice, withheld shares to satisfy the tax liability associated with the vesting and payout of awards under the 2015 EPIP."}],"balance_after":44201,"source":{"system":"sec-edgar","filing":"0001127602-18-008441","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/33213/000112760218008441/form4.xml","form_type":"4"}},{"id":4036088,"issuer":{"id":3112,"kind":"organization","name":"EQT Corp","symbol":"EQT"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"officer":true,"officer_title":"VP & Chief HR Officer"}}],"security":"Common Stock","published_at":"2018-02-26T22:09:41.000Z","date":"2018-02-22","kind":"grant","acquired":true,"shares":19044,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 22, 2018, performance awards under the Company's 2015 Executive Performance Incentive Program (2015 EPIP) vested and were paid out in common stock."}],"balance_after":50927,"source":{"system":"sec-edgar","filing":"0001127602-18-008441","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/33213/000112760218008441/form4.xml","form_type":"4"}},{"id":4116169,"issuer":{"id":3112,"kind":"organization","name":"EQT Corp","symbol":"EQT"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"officer":true,"officer_title":"VP & Chief HR Officer"}}],"security":"Option (Right to Buy)","published_at":"2018-01-03T23:31:01.000Z","date":"2018-01-01","kind":"grant","acquired":true,"shares":16000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":16000,"derivative":{"exercise_price":56.92,"exercise_date":"2021-01-01","expiration_date":"2028-01-01","underlying":"Common Stock","underlying_shares":16000},"source":{"system":"sec-edgar","filing":"0001127602-18-000796","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/33213/000112760218000796/form4.xml","form_type":"4"}},{"id":4116168,"issuer":{"id":3112,"kind":"organization","name":"EQT Corp","symbol":"EQT"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"officer":true,"officer_title":"VP & Chief HR Officer"}}],"security":"Common Stock","published_at":"2018-01-03T23:31:01.000Z","date":"2018-01-01","kind":"grant","acquired":true,"shares":4780,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted common stock award which vests completely three years from the transaction date."}],"balance_after":31883,"source":{"system":"sec-edgar","filing":"0001127602-18-000796","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/33213/000112760218000796/form4.xml","form_type":"4"}},{"id":4272301,"issuer":{"id":3112,"kind":"organization","name":"EQT Corp","symbol":"EQT"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"officer":true,"officer_title":"VP & Chief HR Officer"}}],"security":"Common Stock","published_at":"2017-06-27T21:28:27.000Z","date":"2017-06-23","kind":"other","acquired":true,"shares":20000,"price":52.6,"value":1052000.0,"ownership":{"direct":false,"nature":"Savings Plan"},"balance_after":20000,"source":{"system":"sec-edgar","filing":"0001127602-17-022263","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/33213/000112760217022263/form4.xml","form_type":"4"}},{"id":4438341,"issuer":{"id":3112,"kind":"organization","name":"EQT Corp","symbol":"EQT"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"officer":true,"officer_title":"VP & Chief HR Officer"}}],"security":"Common Stock","published_at":"2017-02-21T21:59:42.000Z","date":"2017-02-16","kind":"tax_withholding","acquired":false,"shares":2469,"price":62.25,"value":153695.25,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"The Company, consistent with its practice, withheld shares to satisfy the tax liability associated with the vesting and payout of awards under the 2014 EPIP."}],"balance_after":27096,"source":{"system":"sec-edgar","filing":"0001127602-17-007423","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/33213/000112760217007423/form4.xml","form_type":"4"}},{"id":4438340,"issuer":{"id":3112,"kind":"organization","name":"EQT Corp","symbol":"EQT"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"officer":true,"officer_title":"VP & Chief HR Officer"}}],"security":"Common Stock","published_at":"2017-02-21T21:59:42.000Z","date":"2017-02-16","kind":"grant","acquired":true,"shares":7838,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 16, 2017, performance awards under the Company's 2014 Executive Performance Incentive Program (2014 EPIP) vested and were paid out in common stock."}],"balance_after":29565,"source":{"system":"sec-edgar","filing":"0001127602-17-007423","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/33213/000112760217007423/form4.xml","form_type":"4"}},{"id":4506726,"issuer":{"id":3112,"kind":"organization","name":"EQT Corp","symbol":"EQT"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"officer":true,"officer_title":"VP & Chief HR Officer"}}],"security":"Option (Right to Buy)","published_at":"2017-01-04T23:04:20.000Z","date":"2017-01-01","kind":"grant","acquired":true,"shares":11900,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":11900,"derivative":{"exercise_price":65.4,"exercise_date":"2020-01-01","expiration_date":"2027-01-01","underlying":"Common Stock","underlying_shares":11900},"source":{"system":"sec-edgar","filing":"0001127602-17-000815","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/33213/000112760217000815/form4.xml","form_type":"4"}},{"id":4506725,"issuer":{"id":3112,"kind":"organization","name":"EQT Corp","symbol":"EQT"},"owners":[{"id":161912,"kind":"person","name":"PETRELLI CHARLENE","position":1,"cik":"0001240751","reported_name":"PETRELLI CHARLENE","relationship":{"officer":true,"officer_title":"VP & Chief HR Officer"}}],"security":"Common Stock","published_at":"2017-01-04T23:04:20.000Z","date":"2017-01-01","kind":"grant","acquired":true,"shares":3510,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted common stock award which vests completely three years from the transaction date."}],"balance_after":21727,"source":{"system":"sec-edgar","filing":"0001127602-17-000815","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/33213/000112760217000815/form4.xml","form_type":"4"}}]}