New Zealand markets open in 3 hours 33 minutes

Seres Therapeutics, Inc. (MCRB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
Add to watchlist
9.96-0.72 (-6.74%)
As of 12:26PM EST. Market open.
Major holders
Insider roster

Insider transactions

Currency in USD
Insider purchases - Last 6 monthsSharesTrans
Purchases00
SalesN/A0
Net shares purchased (sold)00
Total insider shares held8.3MN/A
% net shares purchased (sold)0.00%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

HENN MATTHEW R
Officer

Sale at price 26.56 - 28.34 per share.Direct2,482,30901 Dec 202091,812

HENN MATTHEW R
Officer

Conversion of Exercise of derivative security at price 0.71 - 9.89 per share.Direct443,72001 Dec 202079,812

DESROSIER THOMAS J J.D.
Officer

Direct24 Jan 202025,000

SHAFF ERIC D
Chief Executive Officer

Direct24 Jan 202020,000

AUNINS JOHN G PH.D.
Chief Technology Officer

Direct24 Jan 202012,500

HENN MATTHEW R
Officer

Direct24 Jan 20207,500

CHAPMAN MARCUS
Officer

Sale at price 3.91 per share.Direct13,29722 Nov 20193,400

CHAPMAN MARCUS
Officer

Direct01 Nov 201912,000

AFEYAN NOUBAR BOGHOS
Director and Beneficial Owner of more than 10% of a Class of Security

Purchase at price 2.25 per share.Indirect19,999,99818 Jun 20198,888,888

DESROSIER THOMAS J J.D.
Officer

Sale at price 5.75 per share.Direct31,47828 Jan 20195,471

SHAFF ERIC D
Chief Financial Officer

Sale at price 5.75 per share.Direct25,18828 Jan 20194,378

DESROSIER THOMAS J J.D.
Officer

Direct25 Jan 201915,000

COOK DAVID N
Officer

Direct25 Jan 20197,500

SHAFF ERIC D
Chief Financial Officer

Direct25 Jan 201912,000

AUNINS JOHN G PH.D.
Chief Technology Officer

Direct25 Jan 20197,500

AUNINS JOHN G PH.D.
Chief Technology Officer

Direct19 Dec 201810,000

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 6.39 per share.Direct91,31317 Dec 201814,282

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 8.26 per share.Direct117,91215 Nov 201814,279

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 7.27 - 8.08 per share.Direct327,34517 Sep 201842,837

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.00 per share.Direct16,29107 Sep 20181,810

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.04 - 9.12 per share.Direct113,95006 Sep 201812,518

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 8.10 per share.Direct115,72613 Jul 201814,279

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.01 per share.Direct9,09911 Jul 20181,010

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct71711 Jul 20181,010

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.05 - 9.14 per share.Direct295,06510 Jul 201832,336

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct22,95910 Jul 201832,336

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.10 - 9.15 per share.Direct238,29129 Jun 201826,056

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct18,50029 Jun 201826,056

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.03 - 9.21 per share.Direct595,04527 Jun 201864,967

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct38,69727 Jun 201854,503

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.06 - 9.36 per share.Direct793,90722 Jun 201885,536

AUNINS JOHN G PH.D.
Chief Technology Officer

Direct19 Jun 20185,000

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 8.57 per share.Direct122,32515 Jun 201814,279

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.00 per share.Direct2,09709 May 2018233

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 7.58 per share.Direct108,26625 Apr 201814,279

DESROSIER THOMAS J J.D.
Officer

Sale at price 11.02 per share.Direct38,29426 Jan 20183,475

DESROSIER THOMAS J J.D.
Officer

Direct26 Jan 201810,000

COOK DAVID N
Officer

Sale at price 11.02 per share.Direct19,15326 Jan 20181,738

COOK DAVID N
Officer

Direct26 Jan 20185,000

TRUCKSIS MICHELE
Officer

Sale at price 11.02 per share.Direct28,72926 Jan 20182,607

TRUCKSIS MICHELE
Officer

Direct26 Jan 20187,500

SHAFF ERIC D
Chief Financial Officer

Sale at price 11.02 per share.Direct30,63626 Jan 20182,780

SHAFF ERIC D
Chief Financial Officer

Direct26 Jan 20188,000

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 11.02 per share.Direct19,15326 Jan 20181,738

AUNINS JOHN G PH.D.
Chief Technology Officer

Direct26 Jan 20185,000

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct28,57124 Jan 201840,241

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 10.14 per share.Direct16,45719 Dec 20171,623

AUNINS JOHN G PH.D.
Chief Technology Officer

Direct19 Dec 20175,000

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 10.14 per share.Direct16,45719 Dec 20171,623

AUNINS JOHN G PH.D.
Chief Technology Officer

Direct19 Dec 20175,000

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct71,42918 Jul 2017100,604

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 10.87 per share.Direct102,06929 Aug 20169,390

TRUCKSIS MICHELE
Officer

Sale at price 35.18 per share.Direct146,20728 Jul 20164,156

TRUCKSIS MICHELE
Officer

Conversion of Exercise of derivative security at price 15.77 per share.Direct65,54028 Jul 20164,156

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 35.00 per share.Direct700,00027 Jul 201620,000

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct14,20027 Jul 201620,000

TRUCKSIS MICHELE
Officer

Sale at price 35.14 per share.Direct1,337,51227 Jul 201638,064

TRUCKSIS MICHELE
Officer

Conversion of Exercise of derivative security at price 15.77 per share.Direct600,26927 Jul 201638,064

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 35.00 per share.Direct323,75027 Jul 20169,250

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 34.18 per share.Direct320,95025 Jul 20169,390

AUNINS JOHN G PH.D.
Chief Technology Officer

Conversion of Exercise of derivative security at price 0.48 per share.Direct90,00022 Jul 2016187,500

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 29.27 - 29.96 per share.Direct2,597,47406 Jul 201688,211

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct62,63006 Jul 201688,211

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 29.12 - 30.00 per share.Direct1,692,70501 Jul 201656,789

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct40,32001 Jul 201656,789

SHAFF ERIC D
Chief Financial Officer

Sale at price 29.54 per share.Direct133,90530 Jun 20164,533

SHAFF ERIC D
Chief Financial Officer

Conversion of Exercise of derivative security at price 7.79 per share.Direct35,31230 Jun 20164,533

SHAFF ERIC D
Chief Financial Officer

Sale at price 28.00 - 28.85 per share.Direct141,44528 Jun 20165,001

SHAFF ERIC D
Chief Financial Officer

Conversion of Exercise of derivative security at price 7.79 per share.Direct38,95828 Jun 20165,001

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 27.23 per share.Direct255,69027 Jun 20169,390

COOK DAVID N
Officer

Sale at price 31.00 per share.Direct248,00002 Jun 20168,000

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 31.62 - 33.22 per share.Direct2,407,91602 Jun 201674,049

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct52,57502 Jun 201674,049

COOK DAVID N
Officer

Sale at price 29.43 per share.Direct470,88001 Jun 201616,000

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 30.12 - 30.65 per share.Direct2,164,83801 Jun 201670,951

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct50,37501 Jun 201670,951

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 30.02 - 30.57 per share.Direct421,08831 May 201614,015

AFEYAN NOUBAR BOGHOS
Director and Beneficial Owner of more than 10% of a Class of Security

Sale at price 27.60 per share.Indirect27,600,00025 May 20161,000,000

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct114,28518 May 2016160,965

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 24.28 - 25.10 per share.Direct206,80306 May 20168,507

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct6,04006 May 20168,507

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 25.48 - 27.31 per share.Direct1,550,27805 May 201659,325

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct42,12105 May 201659,325

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 27.80 - 29.59 per share.Direct1,933,19703 May 201667,367

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct47,83103 May 201667,367

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 31.94 per share.Direct595,36225 Apr 201618,640

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 31.94 per share.Direct595,36225 Apr 201618,640

COOK DAVID N
Officer

Sale at price 31.00 per share.Direct248,00007 Apr 20168,000

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 30.00 per share.Direct276,36007 Apr 20169,212

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.48 - 0.71 per share.Direct6,14707 Apr 20169,212

COOK DAVID N
Officer

Sale at price 25.74 - 28.00 per share.Direct1,595,58604 Apr 201661,000

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 25.69 - 30.00 per share.Direct3,693,79504 Apr 2016135,788

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.48 per share.Direct65,17804 Apr 2016135,788

SHAFF ERIC D
Chief Financial Officer

Sale at price 28.85 per share.Direct189,48704 Apr 20166,568

SHAFF ERIC D
Chief Financial Officer

Conversion of Exercise of derivative security at price 7.79 per share.Direct51,16504 Apr 20166,568

SHAFF ERIC D
Chief Financial Officer

Sale at price 25.13 - 26.50 per share.Direct201,56931 Mar 20167,663

SHAFF ERIC D
Chief Financial Officer

Conversion of Exercise of derivative security at price 7.79 per share.Direct59,69531 Mar 20167,663

SHAFF ERIC D
Chief Financial Officer

Sale at price 24.07 per share.Direct131,73528 Mar 20165,473

SHAFF ERIC D
Chief Financial Officer

Conversion of Exercise of derivative security at price 7.79 per share.Direct42,63528 Mar 20165,473

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 23.89 per share.Direct224,32728 Mar 20169,390

NESTLE HEALTH SCIENCE US HOLDINGS INC
Beneficial Owner of more than 10% of a Class of Security

Stock Award(Grant) at price 18.00 per share.Indirect23,999,94001 Jul 20151,333,330

AFEYAN NOUBAR BOGHOS
Director and Beneficial Owner of more than 10% of a Class of Security

Conversion of Exercise of derivative security at price 0.00 per share.Indirect026 Jun 201511,627,317

COOK DAVID N
Officer

Conversion of Exercise of derivative security at price 0.00 per share.Direct026 Jun 201545,454

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.00 per share.Direct026 Jun 201522,727

NESTLE HEALTH SCIENCE US HOLDINGS INC
Beneficial Owner of more than 10% of a Class of Security

Conversion of Exercise of derivative security at price 0.00 per share.Indirect026 Jun 20153,611,110

AUNINS JOHN G PH.D.
Officer

Conversion of Exercise of derivative security at price 0.00 per share.Direct026 Jun 201534,090