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
Purchases52,0005
Sales38,4104
Net Shares Purchased (Sold)13,5909
Total Insider Shares Held7.18MN/A
% Net Shares Purchased (Sold)0.20%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
Officer

Sale at price 5.75 per share.Direct31,478Jan 28, 20195,471

SHAFF ERIC D
Chief Financial Officer

Sale at price 5.75 per share.Direct25,188Jan 28, 20194,378

DESROSIER THOMAS J
Officer

DirectJan 25, 201915,000

COOK DAVID N
Officer

DirectJan 25, 20197,500

SHAFF ERIC D
Chief Financial Officer

DirectJan 25, 201912,000

AUNINS JOHN G PH.D.
Chief Technology Officer

DirectJan 25, 20197,500

AUNINS JOHN G PH.D.
Chief Technology Officer

DirectDec 19, 201810,000

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 6.39 per share.Direct91,313Dec 17, 201814,282

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 8.26 per share.Direct117,912Nov 15, 201814,279

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 7.27 - 8.08 per share.Direct327,345Sep 17, 201842,837

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.00 per share.Direct16,291Sep 7, 20181,810

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.04 - 9.12 per share.Direct113,950Sep 6, 201812,518

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 8.10 per share.Direct115,726Jul 13, 201814,279

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.01 per share.Direct9,099Jul 11, 20181,010

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct717Jul 11, 20181,010

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.05 - 9.14 per share.Direct295,065Jul 10, 201832,336

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct22,959Jul 10, 201832,336

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.10 - 9.15 per share.Direct238,291Jun 29, 201826,056

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct18,500Jun 29, 201826,056

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.03 - 9.21 per share.Direct595,045Jun 27, 201864,967

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct38,697Jun 27, 201854,503

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.06 - 9.36 per share.Direct793,907Jun 22, 201885,536

AUNINS JOHN G PH.D.
Chief Technology Officer

DirectJun 19, 20185,000

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 8.57 per share.Direct122,325Jun 15, 201814,279

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 9.00 per share.Direct2,097May 9, 2018233

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 7.58 per share.Direct108,266Apr 25, 201814,279

DESROSIER THOMAS J
Officer

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

DESROSIER THOMAS J
Officer

DirectJan 26, 201810,000

COOK DAVID N
Officer

Sale at price 11.02 per share.Direct19,153Jan 26, 20181,738

COOK DAVID N
Officer

DirectJan 26, 20185,000

TRUCKSIS MICHELE
Officer

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

TRUCKSIS MICHELE
Officer

DirectJan 26, 20187,500

SHAFF ERIC D
Chief Financial Officer

Sale at price 11.02 per share.Direct30,636Jan 26, 20182,780

SHAFF ERIC D
Chief Financial Officer

DirectJan 26, 20188,000

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 11.02 per share.Direct19,153Jan 26, 20181,738

AUNINS JOHN G PH.D.
Chief Technology Officer

DirectJan 26, 20185,000

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct28,571Jan 24, 201840,241

AUNINS JOHN G PH.D.
Chief Technology Officer

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

AUNINS JOHN G PH.D.
Chief Technology Officer

DirectDec 19, 20175,000

AUNINS JOHN G PH.D.
Chief Technology Officer

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

AUNINS JOHN G PH.D.
Chief Technology Officer

DirectDec 19, 20175,000

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct71,429Jul 18, 2017100,604

AUNINS JOHN G PH.D.
Chief Technology Officer

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

TRUCKSIS MICHELE
Officer

Sale at price 35.18 per share.Direct146,207Jul 28, 20164,156

TRUCKSIS MICHELE
Officer

Conversion of Exercise of derivative security at price 15.77 per share.Direct65,540Jul 28, 20164,156

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 35.00 per share.Direct700,000Jul 27, 201620,000

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct14,200Jul 27, 201620,000

TRUCKSIS MICHELE
Officer

Sale at price 35.14 per share.Direct1,337,512Jul 27, 201638,064

TRUCKSIS MICHELE
Officer

Conversion of Exercise of derivative security at price 15.77 per share.Direct600,269Jul 27, 201638,064

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 35.00 per share.Direct323,750Jul 27, 20169,250

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 34.18 per share.Direct320,950Jul 25, 20169,390

AUNINS JOHN G PH.D.
Chief Technology Officer

Conversion of Exercise of derivative security at price 0.48 per share.Direct90,000Jul 22, 2016187,500

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 29.27 - 29.96 per share.Direct2,597,474Jul 6, 201688,211

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct62,630Jul 6, 201688,211

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 29.12 - 30.00 per share.Direct1,692,705Jul 1, 201656,789

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct40,320Jul 1, 201656,789

SHAFF ERIC D
Chief Financial Officer

Sale at price 29.54 per share.Direct133,905Jun 30, 20164,533

SHAFF ERIC D
Chief Financial Officer

Conversion of Exercise of derivative security at price 7.79 per share.Direct35,312Jun 30, 20164,533

SHAFF ERIC D
Chief Financial Officer

Sale at price 28.00 - 28.85 per share.Direct141,445Jun 28, 20165,001

SHAFF ERIC D
Chief Financial Officer

Conversion of Exercise of derivative security at price 7.79 per share.Direct38,958Jun 28, 20165,001

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 27.23 per share.Direct255,690Jun 27, 20169,390

COOK DAVID N
Officer

Sale at price 31.00 per share.Direct248,000Jun 2, 20168,000

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 31.62 - 33.22 per share.Direct2,407,916Jun 2, 201674,049

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct52,575Jun 2, 201674,049

COOK DAVID N
Officer

Sale at price 29.43 per share.Direct470,880Jun 1, 201616,000

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 30.12 - 30.65 per share.Direct2,164,838Jun 1, 201670,951

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct50,375Jun 1, 201670,951

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 30.02 - 30.57 per share.Direct421,088May 31, 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.Indirect27,600,000May 25, 20161,000,000

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct114,285May 18, 2016160,965

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 24.28 - 25.10 per share.Direct206,803May 6, 20168,507

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct6,040May 6, 20168,507

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 25.48 - 27.31 per share.Direct1,550,278May 5, 201659,325

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct42,121May 5, 201659,325

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 27.80 - 29.59 per share.Direct1,933,197May 3, 201667,367

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.71 per share.Direct47,831May 3, 201667,367

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 31.94 per share.Direct595,362Apr 25, 201618,640

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 31.94 per share.Direct595,362Apr 25, 201618,640

COOK DAVID N
Officer

Sale at price 31.00 per share.Direct248,000Apr 7, 20168,000

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 30.00 per share.Direct276,360Apr 7, 20169,212

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.48 - 0.71 per share.Direct6,147Apr 7, 20169,212

COOK DAVID N
Officer

Sale at price 25.74 - 28.00 per share.Direct1,595,586Apr 4, 201661,000

POMERANTZ ROGER J
Chief Executive Officer

Sale at price 25.69 - 30.00 per share.Direct3,693,795Apr 4, 2016135,788

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.48 per share.Direct65,178Apr 4, 2016135,788

SHAFF ERIC D
Chief Financial Officer

Sale at price 28.85 per share.Direct189,487Apr 4, 20166,568

SHAFF ERIC D
Chief Financial Officer

Conversion of Exercise of derivative security at price 7.79 per share.Direct51,165Apr 4, 20166,568

SHAFF ERIC D
Chief Financial Officer

Sale at price 25.13 - 26.50 per share.Direct201,569Mar 31, 20167,663

SHAFF ERIC D
Chief Financial Officer

Conversion of Exercise of derivative security at price 7.79 per share.Direct59,695Mar 31, 20167,663

SHAFF ERIC D
Chief Financial Officer

Sale at price 24.07 per share.Direct131,735Mar 28, 20165,473

SHAFF ERIC D
Chief Financial Officer

Conversion of Exercise of derivative security at price 7.79 per share.Direct42,635Mar 28, 20165,473

AUNINS JOHN G PH.D.
Chief Technology Officer

Sale at price 23.89 per share.Direct224,327Mar 28, 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.Indirect23,999,940Jul 1, 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.Indirect0Jun 26, 201511,627,317

COOK DAVID N
Officer

Conversion of Exercise of derivative security at price 0.00 per share.Direct0Jun 26, 201545,454

POMERANTZ ROGER J
Chief Executive Officer

Conversion of Exercise of derivative security at price 0.00 per share.Direct0Jun 26, 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.Indirect0Jun 26, 20153,611,110

AUNINS JOHN G PH.D.
Officer

Conversion of Exercise of derivative security at price 0.00 per share.Direct0Jun 26, 201534,090