NASDAQ:MCRB | Insider Transactions | Seres Therapeutics, Inc.

MCRB Insider Transactions

198 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.

MCRB insiders transaction timeline

PurchaseSale
2016-03-28: 2 sales — Aunins John G., Shaff Eric D.2016-03-31: 2 sales — Shaff Eric D.2016-04-01: 5 sales — Pomerantz Roger, COOK DAVID N2016-04-04: 6 sales — Shaff Eric D., Pomerantz Roger, COOK DAVID N2016-04-07: 2 sales — Pomerantz Roger, COOK DAVID N2016-04-25: 2 sales — Aunins John G.2016-05-02: 2 sales — Pomerantz Roger2016-05-03: 3 sales — Pomerantz Roger2016-05-04: 2 sales — Pomerantz Roger2016-05-05: 2 sales — Pomerantz Roger2016-05-06: 2 sales — Pomerantz Roger2016-05-24: 1 sale — Pomerantz Roger2016-05-25: 24 sales — AFEYAN NOUBAR, KANIA EDWIN M JR, Flagship Ventures Fund IV, L.P. and 5 more2016-05-31: 2 sales — Aunins John G.2016-06-01: 3 sales — COOK DAVID N, Pomerantz Roger2016-06-02: 4 sales — Pomerantz Roger, COOK DAVID N2016-06-27: 2 sales — Aunins John G., Shaff Eric D.2016-06-28: 1 sale — Shaff Eric D.2016-06-30: 1 sale — Shaff Eric D.2016-07-01: 3 sales — Pomerantz Roger2016-07-05: 2 sales — Pomerantz Roger2016-07-06: 2 sales — Pomerantz Roger2016-07-25: 1 sale — Aunins John G.2016-07-27: 3 sales — Aunins John G., Pomerantz Roger, Trucksis Michele2016-07-28: 1 sale — Trucksis Michele2016-08-29: 1 sale — Aunins John G.2017-12-19: 2 sales — Aunins John G.2018-01-26: 5 sales — Aunins John G., Shaff Eric D., DesRosier Thomas and 2 more2018-04-25: 1 sale — Aunins John G.2018-05-09: 1 sale — Pomerantz Roger2018-05-15: 1 sale — Aunins John G.2018-06-15: 1 sale — Aunins John G.2018-06-20: 1 sale — Pomerantz Roger2018-06-21: 1 sale — Pomerantz Roger2018-06-22: 1 sale — Pomerantz Roger2018-06-25: 1 sale — Pomerantz Roger2018-06-26: 1 sale — Pomerantz Roger2018-06-27: 1 sale — Pomerantz Roger2018-06-28: 1 sale — Pomerantz Roger2018-06-29: 1 sale — Pomerantz Roger2018-07-06: 1 sale — Pomerantz Roger2018-07-09: 1 sale — Pomerantz Roger2018-07-10: 1 sale — Pomerantz Roger2018-07-11: 1 sale — Pomerantz Roger2018-07-15: 1 sale — Aunins John G.2018-08-15: 1 sale — Aunins John G.2018-09-05: 1 sale — Pomerantz Roger2018-09-06: 1 sale — Pomerantz Roger2018-09-07: 1 sale — Pomerantz Roger2018-09-17: 1 sale — Aunins John G.2018-10-15: 1 sale — Aunins John G.2018-11-15: 1 sale — Aunins John G.2018-12-17: 1 sale — Aunins John G.2019-01-28: 2 sales — DesRosier Thomas, Shaff Eric D.2019-06-18: 2 purchases — AFEYAN NOUBAR2019-11-22: 1 sale — Chapman Marcus2020-12-01: 3 sales — Henn Matthew R.2022-07-05: 8 purchases — AFEYAN NOUBAR, Flagship Pioneering Inc., Nutritional Health LTP Fund General Partner LLC and 1 more2022-10-31: 1 sale — Ege David S.2023-04-28: 1 sale — Ege David S.2023-10-30: 8 sales — Cloghessy Paula, Shaff Eric D., Young Teresa L. and 5 more2024-02-16: 7 sales — DesRosier Thomas, Shaff Eric D., Henn Matthew R. and 4 more2024-05-15: 6 sales — von Moltke Lisa, Shaff Eric D., Young Teresa L. and 3 more2024-08-05: 1 sale — Young Teresa L.2024-08-16: 6 sales — DesRosier Thomas, von Moltke Lisa, Henn Matthew R. and 3 more2024-10-28: 5 sales — von Moltke Lisa, Henn Matthew R., DesRosier Thomas and 2 more2024-11-18: 5 sales — DesRosier Thomas, von Moltke Lisa, Young Teresa L. and 2 more2025-02-18: 5 sales — Young Teresa L., Henn Matthew R., Shaff Eric D. and 2 more2025-05-15: 1 sale — DesRosier Thomas2025-05-16: 3 sales — Young Teresa L., Shaff Eric D., Henn Matthew R2025-08-18: 4 sales — DesRosier Thomas, Young Teresa L., Shaff Eric D. and 1 more2025-11-15: 4 sales — DesRosier Thomas, Young Teresa L., Shaff Eric D. and 1 more2026-02-15: 4 sales — Young Teresa L., Shaff Eric D., DesRosier Thomas and 1 more2026-05-18: 4 sales — Shaff Eric D., Brady Kelly, DesRosier Thomas and 1 more2026-08-17: 4 sales — Brady Kelly, Shaff Eric D., Henn Matthew R and 1 more2016-03-282026-08-17
Insider profileRoleDateTransactionSharesPrice
Brady KellySee Remarks2026-08-17Sale64$4.55
Shaff Eric D.Director2026-08-17Sale263$4.55
Henn Matthew RSee Remarks2026-08-17Sale81$4.55
DesRosier ThomasSee Remarks2026-08-17Sale82$4.55
Shaff Eric D.Director2026-05-18Sale259.0$7.53
Brady KellySee Remarks2026-05-18Sale59.0$7.53
DesRosier ThomasSee Remarks2026-05-18Sale79.0$7.53
Henn Matthew RSee Remarks2026-05-18Sale77.0$7.53
Young Teresa L.See Remarks2026-02-15Sale75.0$8.47
Shaff Eric D.Director2026-02-15Sale259.0$8.47
DesRosier ThomasSee Remarks2026-02-15Sale78.0$8.47
Henn Matthew RSee Remarks2026-02-15Sale89.0$8.47
DesRosier ThomasSee Remarks2025-11-15Sale76.0$17.3
Young Teresa L.See Remarks2025-11-15Sale1,042.0$17.3
Shaff Eric D.Director2025-11-15Sale217.0$17.3
Henn Matthew RSee Remarks2025-11-15Sale1,257.0$17.3
DesRosier ThomasSee Remarks2025-08-18Sale76.0$16.65
Young Teresa L.See Remarks2025-08-18Sale59.0$16.65
Shaff Eric D.Director2025-08-18Sale217.0$16.65
Henn Matthew RSee Remarks2025-08-18Sale73.0$16.65
Young Teresa L.See Remarks2025-05-16Sale63.0$7.28
Shaff Eric D.CEO and President2025-05-16Sale220.0$7.28
Henn Matthew RSee Remarks2025-05-16Sale77.0$7.28
DesRosier ThomasChief Legal Officer and EVP2025-05-15Sale79.0$7.28
Young Teresa L.See Remarks2025-02-18Sale3,338.0$0.81
Henn Matthew R.See Remarks2025-02-18Sale3,953.0$0.81
Shaff Eric D.CEO and President2025-02-18Sale12,726.0$0.81
DesRosier ThomasChief Legal Officer and EVP2025-02-18Sale4,300.0$0.81
von Moltke LisaSee Remarks2025-02-18Sale4,416.0$0.81
DesRosier ThomasChief Legal Officer and EVP2024-11-18Sale878.0$0.54
von Moltke LisaSee Remarks2024-11-18Sale977.0$0.54
Young Teresa L.See Remarks2024-11-18Sale735.0$0.54
Henn Matthew R.See Remarks2024-11-18Sale927.0$0.54
Shaff Eric D.CEO and President2024-11-18Sale2,505.0$0.54
von Moltke LisaSee Remarks2024-10-28Sale4,334.0$0.69
Henn Matthew R.See Remarks2024-10-28Sale3,984.0$0.69
DesRosier ThomasChief Legal Officer and EVP2024-10-28Sale4,259.0$0.69
Shaff Eric D.CEO and President2024-10-28Sale8,748.0$0.69
Young Teresa L.See Remarks2024-10-28Sale2,983.0$0.69
DesRosier ThomasChief Legal Officer and EVP2024-08-16Sale873.0$0.84
von Moltke LisaSee Remarks2024-08-16Sale973.0$0.84
Henn Matthew R.See Remarks2024-08-16Sale923.0$0.84
Shaff Eric D.CEO and President2024-08-16Sale2,518.0$0.84
Young Teresa L.See Remarks2024-08-16Sale728.0$0.84
Ege David S.See Remarks2024-08-16Sale1,128.0$0.84
Young Teresa L.See Remarks2024-08-05Sale24,480.0$1.08
von Moltke LisaSee Remarks2024-05-15Sale939.0$0.94
Shaff Eric D.CEO and President2024-05-15Sale2,435.0$0.94
Young Teresa L.See Remarks2024-05-15Sale703.0$0.94
Henn Matthew R.See Remarks2024-05-15Sale891.0$0.94
Ege David S.See Remarks2024-05-15Sale1,090.0$0.94
DesRosier ThomasChief Legal Officer and EVP2024-05-15Sale843.0$0.94
DesRosier ThomasChief Legal Officer and EVP2024-02-16Sale3,939.0$1.08
Shaff Eric D.CEO and President2024-02-16Sale11,549.0$1.08
Henn Matthew R.See Remarks2024-02-16Sale4,170.0$1.08
Young Teresa L.See Remarks2024-02-16Sale3,374.0$1.08
von Moltke LisaSee Remarks2024-02-16Sale4,400.0$1.08
Ege David S.See Remarks2024-02-16Sale5,010.0$1.08
Arkowitz DavidChief Financial Officer2024-02-16Sale3,939.0$1.08
Cloghessy PaulaSee Remarks2023-10-30Sale2,904.0$1.35
Shaff Eric D.CEO and President2023-10-30Sale8,552.0$1.35
Young Teresa L.See Remarks2023-10-30Sale2,907.0$1.35
Arkowitz DavidChief Financial Officer2023-10-30Sale4,066.0$1.35
DesRosier ThomasChief Legal Officer and EVP2023-10-30Sale4,156.0$1.35
Ege David S.See Remarks2023-10-30Sale4,066.0$1.35
von Moltke LisaSee Remarks2023-10-30Sale4,232.0$1.35
Henn Matthew R.See Remarks2023-10-30Sale3,886.0$1.35
Ege David S.See Remarks2023-04-28Sale7,038.0$5.19
Ege David S.See Remarks2022-10-31Sale5,012.0$7.93
AFEYAN NOUBARTenPercentOwner2022-07-05Purchase5,825,495.0$3.15
Flagship Pioneering Inc.TenPercentOwner2022-07-05Purchase5,825,495.0$3.15
Nutritional Health LTP Fund General Partner LLCTenPercentOwner2022-07-05Purchase5,825,495.0$3.15
Nutritional Health LTP Fund, L.P.TenPercentOwner2022-07-05Purchase5,825,495.0$3.15
AFEYAN NOUBARTenPercentOwner2022-07-05Purchase2,912,748.0$3.15
Flagship Pioneering Inc.TenPercentOwner2022-07-05Purchase2,912,748.0$3.15
Nutritional Health LTP Fund General Partner LLCTenPercentOwner2022-07-05Purchase2,912,748.0$3.15
Nutritional Health LTP Fund, L.P.TenPercentOwner2022-07-05Purchase2,912,748.0$3.15
Henn Matthew R.See Remarks2020-12-01Sale9,841.0$28.34
Henn Matthew R.See Remarks2020-12-01Sale26,265.0$27.56
Henn Matthew R.See Remarks2020-12-01Sale55,706.0$26.56
Chapman MarcusSee Remarks2019-11-22Sale3,400.0$3.91
AFEYAN NOUBARDirector,TenPercentOwner2019-06-18Purchase4,444,444.0$2.25
AFEYAN NOUBARDirector,TenPercentOwner2019-06-18Purchase4,444,444.0$2.25
DesRosier ThomasChief Legal Officer and EVP2019-01-28Sale5,471.0$5.75
Shaff Eric D.See Remarks2019-01-28Sale4,378.0$5.75
Aunins John G.Chief Technology Officer & EVP2018-12-17Sale14,282.0$6.39
Aunins John G.See Remarks2018-11-15Sale14,279.0$8.26
Aunins John G.See Remarks2018-10-15Sale14,279.0$5.94
Aunins John G.See Remarks2018-09-17Sale14,279.0$7.27
Pomerantz RogerPresident and CEO2018-09-07Sale1,810.0$9.0
Pomerantz RogerPresident and CEO2018-09-06Sale3,013.0$9.04
Pomerantz RogerPresident and CEO2018-09-05Sale9,505.0$9.12
Aunins John G.See Remarks2018-08-15Sale14,279.0$7.57
Aunins John G.Chief Technology Officer & EVP2018-07-15Sale14,279.0$8.1
Pomerantz RogerPresident and CEO2018-07-11Sale1,010.0$9.01
Pomerantz RogerPresident and CEO2018-07-10Sale5,989.0$9.05
Pomerantz RogerPresident and CEO2018-07-09Sale10,981.0$9.14
Pomerantz RogerPresident and CEO2018-07-06Sale15,366.0$9.14
Pomerantz RogerPresident and CEO2018-06-29Sale4,496.0$9.1
Pomerantz RogerPresident and CEO2018-06-28Sale21,560.0$9.15