Seres Therapeutics, Inc.

By person

22 insiders · 112 transactions

Insider

Role

Bought

Sold

Net

Holding

Worth

Change

Nutritional Health LTP Fund General Partner LLC entity

10% owner

$27.53M (2)

—

+$27.53M

6,201,513

$28.22M

—

AFEYAN NOUBAR

Director

$20.00M (2)

—

+$20.00M

2,750,135

$12.51M

—

Henn Matthew R

See Remarks

—

$2.53M (16) scheduled

−$2.53M

7,995

$36.38K

—

Pomerantz Roger

Director

—

$2.06M (16) scheduled

−$2.06M

213,976

$973.59K

+16.5%

Aunins John G.

Chief Technology Officer & EVP

—

$1.00M (11)

−$1.00M

105,250

$478.89K

−45.2%

Shaff Eric D.

Director

—

$116.26K (15) scheduled

−$116.26K

12,499

$56.87K

—

DesRosier Thomas

See Remarks

—

$92.85K (15) scheduled

−$92.85K

8,117

$36.93K

—

Ege David S.

See Remarks

—

$89.14K (6)

−$89.14K

77,575

$352.97K

—

Young Teresa L.

See Remarks

—

$60.64K (12) scheduled

−$60.64K

8,557

$38.93K

—

Trucksis Michele

See Remarks

—

$28.73K (1) scheduled

−$28.73K

4,893

$22.26K

—

von Moltke Lisa

See Remarks

—

$19.26K (7) scheduled

−$19.26K

39,875

$181.43K

—

COOK DAVID N

See Remarks

—

$19.15K (1) scheduled

−$19.15K

147,435

$670.83K

+7.9%

Chapman Marcus

See Remarks

—

$13.30K (1)

−$13.30K

8,600

$39.13K

—

Arkowitz David

Chief Financial Officer

—

$9.74K (2) scheduled

−$9.74K

182,442

$830.11K

+1,290%

Cloghessy Paula

See Remarks

—

$3.92K (1) scheduled

−$3.92K

45,684

$207.86K

+515.4%

Brady Kelly

See Remarks

—

$735.47 (2)

−$735.47

8,679

$39.49K

+2.8%

Flagship Ventures Fund IV General Partner LLC entity

10% owner

—

376,018

$1.71M

−95.5%

Kender Richard N

See Remarks

—

63,492

$288.89K

—

Biondi Paul

Director

—

47,619

$216.67K

—

Dere Willard H

Director

—

31,746

$144.44K

—

Zausner Meryl

Director

—

31,746

$144.44K

—

Berenson Stephen

Director

—

3,589

$16.33K

—

No percentages here. This company's share count has moved by a factor of 19.9 over the window, from 8,754,570 to 174,358,753 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Individual transactions

Insider

Date

Role

Action

Price

Amount

Brady Kelly

18 May 2026

See Remarks

Sell

$7.53

$444.27

Ege David S.

28 Apr 2023

See Remarks

Sell

7,038

$5.19

$36.53K

Ege David S.

31 Oct 2022

See Remarks

Sell

5,012

$7.93

$39.75K

Chapman Marcus

22 Nov 2019

See Remarks

Sell

3,400

$3.91

$13.30K

Shaff Eric D.

28 Jan 2019

See Remarks

Sell

4,378

$5.75

$25.19K

DesRosier Thomas

28 Jan 2019

Chief Legal Officer and EVP

Sell

5,471

$5.75

$31.48K

Aunins John G.

17 Dec 2018

Chief Technology Officer & EVP

Sell

14,282

$6.39

$91.31K

Aunins John G.

15 Nov 2018

See Remarks

Sell

14,279

$8.26

$117.91K

Aunins John G.

15 Oct 2018

See Remarks

Sell

14,279

$5.94

$84.80K

Aunins John G.

17 Sep 2018

See Remarks

Sell

14,279

$7.27

$103.88K

Pomerantz Roger

7 Sep 2018

President and CEO

Sell

1,810

$9.00

$16.29K

Pomerantz Roger

6 Sep 2018

President and CEO

Sell

3,013

$9.04

$27.24K

Pomerantz Roger

5 Sep 2018

President and CEO

Sell

9,505

$9.12

$86.71K

Aunins John G.

15 Aug 2018

See Remarks

Sell

14,279

$7.57

$108.07K

Aunins John G.

15 Jul 2018

Chief Technology Officer & EVP

Sell

14,279

$8.10

$115.73K

Pomerantz Roger

22 Jun 2018

President and CEO

Sell

40,057

$9.36

$374.76K

Pomerantz Roger

21 Jun 2018

President and CEO

Sell

18,987

$9.06

$172.09K

Pomerantz Roger

20 Jun 2018

President and CEO

Sell

26,492

$9.33

$247.05K

Aunins John G.

15 Jun 2018

Chief Technology Officer & EVP

Sell

14,279

$8.57

$122.33K

Aunins John G.

15 May 2018

See Remarks

Sell

14,279

$8.08

$115.40K

Pomerantz Roger

9 May 2018

President and CEO

Sell

233

$9.00

$2.10K

Aunins John G.

25 Apr 2018

Chief Technology Officer & EVP

Sell

14,279

$7.58

$108.27K

Show all 112 transactions →

Seres Therapeutics, Inc.

By person

Individual transactions

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