MCRB - Seres Therapeutics, Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD
Major Holders
Insider Roster
Insider Transactions

Insider Transactions

Currency in USD
Insider Purchases Last 6 MonthsSharesTrans
Purchases166,30010
Sales219,31112
Net Shares Purchased (Sold)-53,01122
Total Insider Shares Held7.21MN/A
% Net Shares Purchased (Sold)-0.70%N/A
Net Institutional Purchases Prior Quarter to Latest QuarterShares
Net Shares Purchased (Sold)N/A
% Change in Institutional Shares HeldN/A

Insider Transactions Reported - Last Two Years

InsiderTransactionTypeValueDateShares

TRUCKSIS MICHELE
Officer

Sale at $11.02 per share.Direct28,729Jan 26, 20182,607

AUNINS JOHN G.
Officer

Option ExerciseDirectJan 26, 20185,000

DESROSIER THOMAS
Officer

Option ExerciseDirectJan 26, 201810,000

COOK DAVID N
Officer

Option ExerciseDirectJan 26, 20185,000

SHAFF ERIC D.
Officer

Sale at $11.02 per share.Direct30,635Jan 26, 20182,780

TRUCKSIS MICHELE
Officer

Option ExerciseDirectJan 26, 20187,500

SHAFF ERIC D.
Officer

Option ExerciseDirectJan 26, 20188,000

AUNINS JOHN G.
Officer

Sale at $11.02 per share.Direct19,152Jan 26, 20181,738

DESROSIER THOMAS
Officer

Sale at $11.02 per share.Direct38,294Jan 26, 20183,475

COOK DAVID N
Officer

Sale at $11.02 per share.Direct19,152Jan 26, 20181,738

POMERANTZ ROGER
Officer

Option Exercise at $0.71 per share.Direct28,571Jan 24, 201840,241

AUNINS JOHN G.
Officer

Sale at $10.14 per share.Direct16,457Dec 19, 20171,623

AUNINS JOHN G.
Officer

Option ExerciseDirectDec 19, 20175,000

POMERANTZ ROGER
Officer

Option Exercise at $0.71 per share.Direct71,428Jul 18, 2017100,604

AUNINS JOHN G.
Officer

Automatic Sale at $10.87 per share.Direct102,069Aug 29, 20169,390

TRUCKSIS MICHELE
Officer

Option Exercise at $15.77 - $15.77 per share.Direct66,000Jul 28, 20164,156

TRUCKSIS MICHELE
Officer

Automatic Sale at $35.18 per share.Direct146,208Jul 28, 20164,156

TRUCKSIS MICHELE
Officer

Automatic Sale at $35.14 - $35.14 per share.Direct1,338,000Jul 27, 201638,064

POMERANTZ ROGER
Officer

Automatic Sale at $35 per share.Direct700,000Jul 27, 201620,000

AUNINS JOHN G.
Officer

Automatic Sale at $35 - $35 per share.Direct324,000Jul 27, 20169,250

TRUCKSIS MICHELE
Officer

Option Exercise at $15.77 - $15.77 per share.Direct600,000Jul 27, 201638,064

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct14,000Jul 27, 201620,000

AUNINS JOHN G.
Officer

Automatic Sale at $34.18 - $34.18 per share.Direct321,000Jul 25, 20169,390

AUNINS JOHN G.
Officer

Option Exercise at $0.48 - $0.48 per share.Direct90,000Jul 22, 2016187,500

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct25,000Jul 6, 201635,435

POMERANTZ ROGER
Officer

Automatic Sale at $29.27 - $29.8 per share.Direct1,047,000Jul 6, 201635,435

POMERANTZ ROGER
Officer

Automatic Sale at $29.27 - $29.96 per share.Direct1,563,000Jul 5, 201652,776

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct37,000Jul 5, 201652,776

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct40,000Jul 1, 201656,789

POMERANTZ ROGER
Officer

Automatic Sale at $29.12 - $30 per share.Direct1,679,000Jul 1, 201656,789

SHAFF ERIC D.
Officer

Automatic Sale at $29.54 per share.Direct133,904Jun 30, 20164,533

SHAFF ERIC D.
Officer

Option Exercise at $7.79 - $7.79 per share.Direct35,000Jun 30, 20164,533

SHAFF ERIC D.
Officer

Automatic Sale at $28.85 - $28.85 per share.Direct48,000Jun 28, 20161,667

SHAFF ERIC D.
Officer

Option Exercise at $7.79 - $7.79 per share.Direct13,000Jun 28, 20161,667

SHAFF ERIC D.
Officer

Automatic Sale at $28 - $28 per share.Direct93,000Jun 27, 20163,334

SHAFF ERIC D.
Officer

Option Exercise at $7.79 - $7.79 per share.Direct26,000Jun 27, 20163,334

AUNINS JOHN G.
Officer

Automatic Sale at $27.23 - $27.23 per share.Direct256,000Jun 27, 20169,390

COOK DAVID N
Officer

Automatic Sale at $31 per share.Direct248,000Jun 2, 20168,000

POMERANTZ ROGER
Officer

Automatic Sale at $31.62 - $33.22 per share.Direct2,401,000Jun 2, 201674,049

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct53,000Jun 2, 201674,049

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct50,000Jun 1, 201670,951

COOK DAVID N
Officer

Automatic Sale at $29.43 - $29.43 per share.Direct471,000Jun 1, 201616,000

POMERANTZ ROGER
Officer

Automatic Sale at $30.12 - $30.65 per share.Direct2,156,000Jun 1, 201670,951

AUNINS JOHN G.
Officer

Automatic Sale at $30.02 - $30.57 per share.Direct425,000May 31, 201614,015

AFEYAN NOUBAR
Director

Disposition (Non Open Market) at $0 per share.IndirectMay 25, 20161,033,514

AFEYAN NOUBAR
Director

Sale at $27.60 - $27.6 per share.Indirect27,600,000May 25, 20161,000,000

AFEYAN NOUBAR
Director

Acquisition (Non Open Market) at $0 per share.IndirectMay 25, 201633,514

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct6,958May 24, 20169,801

POMERANTZ ROGER
Officer

Automatic Sale at $30 - $30 per share.Direct294,000May 24, 20169,801

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct114,000May 18, 2016160,965

POMERANTZ ROGER
Officer

Automatic Sale at $24.28 - $25.1 per share.Direct210,000May 6, 20168,507

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct6,039May 6, 20168,507

POMERANTZ ROGER
Officer

Automatic Sale at $25.48 - $26.34 per share.Direct778,000May 5, 201630,027

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct21,000May 5, 201630,027

POMERANTZ ROGER
Officer

Automatic Sale at $26.52 - $27.31 per share.Direct789,000May 4, 201629,298

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct21,000May 4, 201629,298

POMERANTZ ROGER
Officer

Automatic Sale at $27.80 - $29.32 per share.Direct676,000May 3, 201623,680

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct17,000May 3, 201623,680

POMERANTZ ROGER
Officer

Automatic Sale at $28.95 - $29.59 per share.Direct1,279,000May 2, 201643,687

POMERANTZ ROGER
Officer

Option Exercise at $0.71 - $0.71 per share.Direct31,000May 2, 201643,687

AUNINS JOHN G.
Officer

Automatic Sale at $31.94 - $31.94 per share.Direct595,000Apr 25, 201618,640

COOK DAVID N
Officer

Automatic Sale at $31 - $31 per share.Direct248,000Apr 7, 20168,000

POMERANTZ ROGER
Officer

Automatic Sale at $30 - $30 per share.Direct276,000Apr 7, 20169,212

POMERANTZ ROGER
Officer

Option Exercise at $0.48 - $0.71 per share.DirectApr 7, 20169,212

COOK DAVID N
Officer

Automatic Sale at $28 - $28 per share.Direct224,000Apr 4, 20168,000

POMERANTZ ROGER
Officer

Automatic Sale at $28.17 - $30 per share.Direct1,304,000Apr 4, 201644,825

POMERANTZ ROGER
Officer

Option Exercise at $0.48 - $0.48 per share.Direct22,000Apr 4, 201644,825

SHAFF ERIC D.
Officer

Automatic Sale at $28.85 - $28.85 per share.Direct189,000Apr 4, 20166,568

SHAFF ERIC D.
Officer

Option Exercise at $7.79 - $7.79 per share.Direct51,000Apr 4, 20166,568

COOK DAVID N
Officer

Automatic Sale at $25.74 - $26.9 per share.Direct1,395,000Apr 1, 201653,000

POMERANTZ ROGER
Officer

Automatic Sale at $25.69 - $27.56 per share.Direct2,422,000Apr 1, 201690,963

POMERANTZ ROGER
Officer

Option Exercise at $0.48 - $0.48 per share.Direct44,000Apr 1, 201690,963

SHAFF ERIC D.
Officer

Automatic Sale at $25.13 - $26.5 per share.Direct198,000Mar 31, 20167,663

SHAFF ERIC D.
Officer

Option Exercise at $7.79 - $7.79 per share.Direct60,000Mar 31, 20167,663

AUNINS JOHN G.
Officer

Automatic Sale at $23.89 - $23.89 per share.Direct224,000Mar 28, 20169,390

SHAFF ERIC D.
Officer

Automatic Sale at $24.07 - $24.07 per share.Direct132,000Mar 28, 20165,473

SHAFF ERIC D.
Officer

Option Exercise at $7.79 - $7.79 per share.Direct43,000Mar 28, 20165,473