OTC:SYBX | Insider Transactions | SYNLOGIC, INC.

SYBX Insider Transactions

48 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–48; provenance stays internal.

SYBX insiders transaction timeline

PurchaseSale
2015-10-06: 19 purchases — PFIZER INC, Weller Harry R, Viswanathan Ravi and 16 more2016-10-03: 1 sale — Irvin Jon2016-10-11: 1 sale — Irvin Jon2016-11-01: 1 sale — Irvin Jon2016-11-11: 1 sale — Irvin Jon2016-12-01: 1 sale — Irvin Jon2018-06-19: 1 sale — Miller Paul Francis2018-06-20: 2 sales — Miller Paul Francis2018-07-18: 1 sale — Miller Paul Francis2018-08-29: 1 sale — Miller Paul Francis2018-08-30: 1 sale — Miller Paul Francis2018-09-05: 1 sale — Miller Paul Francis2018-09-18: 1 sale — Miller Paul Francis2018-10-18: 1 sale — Miller Paul Francis2019-02-12: 1 sale — Miller Paul Francis2019-02-13: 1 sale — Miller Paul Francis2019-12-13: 1 purchase — Shea Richard P2022-04-04: 2 sales — Brennan Aoife, Awad Antoine2022-05-24: 1 purchase — JENSEN MICHAEL VANGSTED2023-04-03: 3 sales — Awad Antoine, Brennan Aoife, JENSEN MICHAEL VANGSTED2024-04-02: 2 sales — Dooley Mary Beth, Awad Antoine2024-10-29: 1 sale — Dooley Mary Beth2025-02-03: 1 sale — Dooley Mary Beth2025-04-02: 1 sale — Dooley Mary Beth2025-10-29: 1 sale — Dooley Mary Beth2015-10-062025-10-29
Insider profileRoleDateTransactionSharesPrice
Dooley Mary BethSee Remarks below2025-10-29Sale157.0$1.81
Dooley Mary BethSee Remarks below2025-04-02Sale144.0$1.2
Dooley Mary BethSee Remarks below2025-02-03Sale2,107.0$1.33
Dooley Mary BethHead of Finance2024-10-29Sale79.0$1.4
Dooley Mary BethHead of Finance2024-04-02Sale188.0$1.73
Awad AntoineChief Operating Officer2024-04-02Sale372.0$1.73
Awad AntoineChief Operating Officer2023-04-03Sale6,438.0$0.58
Brennan AoifeSee Remarks2023-04-03Sale19,042.0$0.58
JENSEN MICHAEL VANGSTEDChief Financial Officer2023-04-03Sale2,553.0$0.58
JENSEN MICHAEL VANGSTEDChief Financial Officer2022-05-24Purchase9,500.0$1.12
Brennan AoifeSee Remarks2022-04-04Sale8,894.0$2.45
Awad AntoineChief Operating Officer2022-04-04Sale2,650.0$2.45
Shea Richard PDirector2019-12-13Purchase7,500.0$2.74
Miller Paul FrancisChief Scientific Officer2019-02-13Sale5,849.0$9.75
Miller Paul FrancisChief Scientific Officer2019-02-12Sale3,151.0$9.75
Miller Paul FrancisChief Scientific Officer2018-10-18Sale3,000.0$9.77
Miller Paul FrancisChief Scientific Officer2018-09-18Sale3,000.0$13.05
Miller Paul FrancisChief Scientific Officer2018-09-05Sale3,000.0$12.55
Miller Paul FrancisChief Scientific Officer2018-08-30Sale1,342.0$9.76
Miller Paul FrancisChief Scientific Officer2018-08-29Sale1,658.0$9.77
Miller Paul FrancisChief Scientific Officer2018-07-18Sale3,000.0$11.01
Miller Paul FrancisChief Scientific Officer2018-06-20Sale1,000.0$9.75
Miller Paul FrancisChief Scientific Officer2018-06-20Sale1,054.0$9.8
Miller Paul FrancisChief Scientific Officer2018-06-19Sale946.0$9.75
Irvin JonVice President, Finance2016-12-01Sale280.0$1.43
Irvin JonVice President, Finance2016-11-11Sale150.0$1.45
Irvin JonVice President, Finance2016-11-01Sale280.0$1.28
Irvin JonVice President, Finance2016-10-11Sale150.0$1.83
Irvin JonVice President, Finance2016-10-03Sale250.0$1.93
PFIZER INCTenPercentOwner2015-10-06Purchase714,285.0$7.0
Weller Harry RTenPercentOwner2015-10-06Purchase857,142.0$7.0
Viswanathan RaviTenPercentOwner2015-10-06Purchase857,142.0$7.0
Sonsini Peter W.TenPercentOwner2015-10-06Purchase857,142.0$7.0
SANDELL SCOTT DTenPercentOwner2015-10-06Purchase857,142.0$7.0
MOTT DAVID MTenPercentOwner2015-10-06Purchase857,142.0$7.0
KOLLURI KRISHNA KITTUTenPercentOwner2015-10-06Purchase857,142.0$7.0
KERINS PATRICK JTenPercentOwner2015-10-06Purchase857,142.0$7.0
New Enterprise Associates 14, L.P.TenPercentOwner2015-10-06Purchase857,142.0$7.0
Florence Anthony A. Jr.TenPercentOwner2015-10-06Purchase857,142.0$7.0
BASKETT FORESTTenPercentOwner2015-10-06Purchase857,142.0$7.0
BARRIS PETER JTenPercentOwner2015-10-06Purchase857,142.0$7.0
BARRETT M JAMESTenPercentOwner2015-10-06Purchase857,142.0$7.0
HEALY JAMESTenPercentOwner2015-10-06Purchase857,142.0$7.0
AKKARAJU SRINIVASTenPercentOwner2015-10-06Purchase857,142.0$7.0
Sofinnova Venture Partners VIII, L.P.TenPercentOwner2015-10-06Purchase857,142.0$7.0
Sofinnova Management VIII, L.L.C.TenPercentOwner2015-10-06Purchase857,142.0$7.0
Mehra AnandTenPercentOwner2015-10-06Purchase857,142.0$7.0
POWELL MICHAELDirector,TenPercentOwner2015-10-06Purchase857,142.0$7.0