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Seres Therapeutics, Inc. (MCRB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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0.5555-0.0287 (-4.91%)
As of 02:40PM EDT. Market open.

Insider transactions

Currency in USD
Insider purchases - Last 6 monthsSharesTrans
Purchases211,18115
Sales71,15015
Net shares purchased (sold)140,03130
Total insider shares held8.58MN/A
% net shares purchased (sold)1.70%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

DESROSIER THOMAS J J.D.
Officer

Sale at price 1.08 per share.Direct4,25416 Feb 20243,939

ARKOWITZ DAVID A.
Chief Financial Officer

Sale at price 1.08 per share.Direct4,25416 Feb 20243,939

SHAFF ERIC D
Chief Executive Officer

Sale at price 1.08 per share.Direct12,47316 Feb 202411,549

HENN MATTHEW R
Officer

Sale at price 1.08 per share.Direct4,50416 Feb 20244,170

VON MOLTKE LISA M.D.
Officer

Sale at price 1.08 per share.Direct4,75216 Feb 20244,400

YOUNG TERESA L.
Officer

Sale at price 1.08 per share.Direct3,64416 Feb 20243,374

EGE DAVID S.
Chief Technology Officer

Sale at price 1.08 per share.Direct5,41116 Feb 20245,010

DESROSIER THOMAS J J.D.
Officer

Direct15 Feb 202410,625

ARKOWITZ DAVID A.
Chief Financial Officer

Direct15 Feb 202410,625

SHAFF ERIC D
Chief Executive Officer

Direct15 Feb 202431,250

HENN MATTHEW R
Officer

Direct15 Feb 202411,250

VON MOLTKE LISA M.D.
Officer

Direct15 Feb 202411,875

YOUNG TERESA L.
Officer

Direct15 Feb 202410,625

EGE DAVID S.
Chief Technology Officer

Direct15 Feb 202411,875

DESROSIER THOMAS J J.D.
Officer

Sale at price 1.35 per share.Direct5,61130 Oct 20234,156

ARKOWITZ DAVID A.
Chief Financial Officer

Sale at price 1.35 per share.Direct5,48930 Oct 20234,066

SHAFF ERIC D
Chief Executive Officer

Sale at price 1.35 per share.Direct11,54530 Oct 20238,552

CLOGHESSY PAULA
Officer

Sale at price 1.35 per share.Direct3,92030 Oct 20232,904

HENN MATTHEW R
Officer

Sale at price 1.35 per share.Direct5,24630 Oct 20233,886

VON MOLTKE LISA M.D.
Officer

Sale at price 1.35 per share.Direct5,71330 Oct 20234,232

YOUNG TERESA L.
Officer

Sale at price 1.35 per share.Direct3,92430 Oct 20232,907

EGE DAVID S.
Chief Technology Officer

Sale at price 1.35 per share.Direct5,48930 Oct 20234,066

DESROSIER THOMAS J J.D.
Officer

Direct27 Oct 202313,501

ARKOWITZ DAVID A.
Chief Financial Officer

Direct27 Oct 202313,209

SHAFF ERIC D
Chief Executive Officer

Direct27 Oct 202327,838

CLOGHESSY PAULA
Officer

Direct27 Oct 20239,418

HENN MATTHEW R
Officer

Direct27 Oct 202312,623

VON MOLTKE LISA M.D.
Officer

Direct27 Oct 202313,745

YOUNG TERESA L.
Officer

Direct27 Oct 202311,361

EGE DAVID S.
Chief Technology Officer

Direct27 Oct 202311,361

EGE DAVID S.
Chief Technology Officer

Sale at price 5.19 per share.Direct36,52728 Apr 20237,038

ARKOWITZ DAVID A.
Chief Financial Officer

Stock Award(Grant) at price 0.00 per share.Direct027 Apr 202342,500

EGE DAVID S.
Chief Technology Officer

Stock Award(Grant) at price 0.00 per share.Direct027 Apr 202320,000

EGE DAVID S.
Chief Technology Officer

Sale at price 7.93 per share.Direct39,74531 Oct 20225,012

ARKOWITZ DAVID A.
Chief Financial Officer

Stock Award(Grant) at price 0.00 per share.Direct027 Oct 202242,500

EGE DAVID S.
Chief Technology Officer

Stock Award(Grant) at price 0.00 per share.Direct027 Oct 202220,000

DESROSIER THOMAS J J.D.
Officer

Stock Award(Grant) at price 3.15 per share.Direct200,00005 July 202263,492

ARKOWITZ DAVID A.
Chief Financial Officer

Stock Award(Grant) at price 3.15 per share.Direct200,00005 July 202263,492

DERE WILLARD H
Director

Stock Award(Grant) at price 3.15 per share.Direct100,00005 July 202231,746

KENDER RICHARD N
Director

Stock Award(Grant) at price 3.15 per share.Direct200,00005 July 202263,492

SHAFF ERIC D
Chief Executive Officer

Stock Award(Grant) at price 3.15 per share.Direct200,00005 July 202263,492

BIONDI PAUL
Director

Stock Award(Grant) at price 3.15 per share.Direct150,00005 July 202247,619

ZAUSNER MERYL
Director

Stock Award(Grant) at price 3.15 per share.Direct100,00005 July 202231,746

CLOGHESSY PAULA
Officer

Stock Award(Grant) at price 3.15 per share.Direct100,00005 July 202231,746

HENN MATTHEW R
Officer

Stock Award(Grant) at price 3.15 per share.Direct150,00005 July 202247,619

NUTRITIONAL HEALTH LTP FUND GENERAL PARTNER LLC
Beneficial Owner of more than 10% of a Class of Security

Purchase at price 3.15 per share.Indirect27,525,46505 July 20228,738,243

EGE DAVID S.
Chief Technology Officer

Stock Award(Grant) at price 3.15 per share.Direct100,00005 July 202231,746

ARKOWITZ DAVID A.
Chief Financial Officer

Direct15 June 20225,000

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 June 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 Sept 201842,837

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

AUNINS JOHN G PH.D.
Chief Technology Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

AUNINS JOHN G PH.D.
Chief Technology Officer

Direct19 June 20185,000

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 8.57 per share.Direct122,32515 June 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 July 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 July 20164,156

TRUCKSIS MICHELE
Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

TRUCKSIS MICHELE
Officer

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

TRUCKSIS MICHELE
Officer

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

AUNINS JOHN G PH.D.
Chief Technology Officer

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

AUNINS JOHN G PH.D.
Chief Technology Officer

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

AUNINS JOHN G PH.D.
Chief Technology Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

SHAFF ERIC D
Chief Financial Officer

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

SHAFF ERIC D
Chief Financial Officer

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

SHAFF ERIC D
Chief Financial Officer

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

SHAFF ERIC D
Chief Financial Officer

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

AUNINS JOHN G PH.D.
Chief Technology Officer

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

COOK DAVID N
Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

COOK DAVID N
Officer

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

POMERANTZ ROGER J
Chief Executive Officer

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

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct50,37501 June 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 July 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 June 201511,627,317