InsiderClue
Stocks · Health care · Pharmaceutical Preparations

Seres Therapeutics, Inc.

MCRB Clue Score46
United States Fiscal year ends December CIK 0001609809 Results filed 4 Nov 2026
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What the insiders did Net buying

Individual transactions

112
Insider
Date
Role
Action
Shares
Price
Amount
Thomas DesRosier
17 Aug 2026
See Remarks
Sold on a plan
82
$4.55
$373.10
Matthew R Henn
17 Aug 2026
See Remarks
Sold on a plan
81
$4.55
$368.55
Eric D. Shaff
17 Aug 2026
Director
Sold on a plan
263
$4.55
$1.20K
Kelly Brady
17 Aug 2026
See Remarks
Sold on a plan
64
$4.55
$291.20
Matthew R Henn
18 May 2026
See Remarks
Sold on a plan
77
$7.53
$579.81
Kelly Brady
18 May 2026
See Remarks
Sell
59
$7.53
$444.27
Thomas DesRosier
18 May 2026
See Remarks
Sold on a plan
79
$7.53
$594.87
Eric D. Shaff
18 May 2026
Director
Sold on a plan
259
$7.53
$1.95K
Matthew R Henn
15 Feb 2026
See Remarks
Sold after exercise
89
$8.47
$753.83
Thomas DesRosier
15 Feb 2026
See Remarks
Sold after exercise
78
$8.47
$660.66
Teresa L. Young
15 Feb 2026
See Remarks
Sold after exercise
75
$8.47
$635.25
Eric D. Shaff
15 Feb 2026
Director
Sold after exercise
259
$8.47
$2.19K
Matthew R Henn
15 Nov 2025
See Remarks
Sold after exercise
1,257
$17.30
$21.75K
Thomas DesRosier
15 Nov 2025
See Remarks
Sold after exercise
76
$17.30
$1.31K
Eric D. Shaff
15 Nov 2025
Director
Sold after exercise
217
$17.30
$3.75K
Teresa L. Young
15 Nov 2025
See Remarks
Sold after exercise
1,042
$17.30
$18.03K
Teresa L. Young
18 Aug 2025
See Remarks
Sold on a plan
59
$16.65
$982.35
Matthew R Henn
18 Aug 2025
See Remarks
Sold on a plan
73
$16.65
$1.22K
Thomas DesRosier
18 Aug 2025
See Remarks
Sold on a plan
76
$16.65
$1.27K
Eric D. Shaff
18 Aug 2025
Director
Sold on a plan
217
$16.65
$3.61K
Matthew R Henn
16 May 2025
See Remarks
Sold on a plan
77
$7.28
$560.56
Eric D. Shaff
16 May 2025
CEO and President
Sold on a plan
220
$7.28
$1.60K
Teresa L. Young
16 May 2025
See Remarks
Sold on a plan
63
$7.28
$458.64
Thomas DesRosier
15 May 2025
Chief Legal Officer and EVP
Sold after exercise
79
$7.28
$575.12
Moltke Lisa von
18 Feb 2025
See Remarks
Sold on a plan
4,416
$0.81
$3.58K
Thomas DesRosier
18 Feb 2025
Chief Legal Officer and EVP
Sold on a plan
4,300
$0.81
$3.49K
Eric D. Shaff
18 Feb 2025
CEO and President
Sold on a plan
12,726
$0.81
$10.31K
Matthew R Henn
18 Feb 2025
See Remarks
Sold on a plan
3,953
$0.81
$3.20K
Teresa L. Young
18 Feb 2025
See Remarks
Sold on a plan
3,338
$0.81
$2.70K
Matthew R Henn
18 Nov 2024
See Remarks
Sold on a plan
927
$0.54
$501.23
Eric D. Shaff
18 Nov 2024
CEO and President
Sold on a plan
2,505
$0.54
$1.35K
Teresa L. Young
18 Nov 2024
See Remarks
Sold on a plan
735
$0.54
$397.64
Moltke Lisa von
18 Nov 2024
See Remarks
Sold on a plan
977
$0.54
$528.26
Thomas DesRosier
18 Nov 2024
Chief Legal Officer and EVP
Sold on a plan
878
$0.54
$474.73
Teresa L. Young
28 Oct 2024
See Remarks
Sold on a plan
2,983
$0.69
$2.06K
Eric D. Shaff
28 Oct 2024
CEO and President
Sold on a plan
8,748
$0.69
$6.04K
Thomas DesRosier
28 Oct 2024
Chief Legal Officer and EVP
Sold on a plan
4,259
$0.69
$2.94K
Matthew R Henn
28 Oct 2024
See Remarks
Sold on a plan
3,984
$0.69
$2.75K
Moltke Lisa von
28 Oct 2024
See Remarks
Sold on a plan
4,334
$0.69
$2.99K
David S. Ege
16 Aug 2024
See Remarks
Sold on a plan
1,128
$0.84
$947.52
Teresa L. Young
16 Aug 2024
See Remarks
Sold on a plan
728
$0.84
$611.52
Eric D. Shaff
16 Aug 2024
CEO and President
Sold on a plan
2,518
$0.84
$2.12K
Matthew R Henn
16 Aug 2024
See Remarks
Sold on a plan
923
$0.84
$775.32
Moltke Lisa von
16 Aug 2024
See Remarks
Sold on a plan
973
$0.84
$817.32
Thomas DesRosier
16 Aug 2024
Chief Legal Officer and EVP
Sold on a plan
873
$0.84
$733.32
Teresa L. Young
5 Aug 2024
See Remarks
Sold on a plan
24,480
$1.08
$26.53K
Thomas DesRosier
15 May 2024
Chief Legal Officer and EVP
Sold after exercise
843
$0.94
$792.42
David S. Ege
15 May 2024
See Remarks
Sold after exercise
1,090
$0.94
$1.02K
Matthew R Henn
15 May 2024
See Remarks
Sold after exercise
891
$0.94
$837.54
Teresa L. Young
15 May 2024
See Remarks
Sold after exercise
703
$0.94
$660.82
Eric D. Shaff
15 May 2024
CEO and President
Sold after exercise
2,435
$0.94
$2.29K
Moltke Lisa von
15 May 2024
See Remarks
Sold after exercise
939
$0.94
$882.66
David Arkowitz
16 Feb 2024
Chief Financial Officer
Sold on a plan
3,939
$1.08
$4.25K
David S. Ege
16 Feb 2024
See Remarks
Sold on a plan
5,010
$1.08
$5.41K
Moltke Lisa von
16 Feb 2024
See Remarks
Sold on a plan
4,400
$1.08
$4.75K
Teresa L. Young
16 Feb 2024
See Remarks
Sold on a plan
3,374
$1.08
$3.64K
Matthew R Henn
16 Feb 2024
See Remarks
Sold on a plan
4,170
$1.08
$4.50K
Eric D. Shaff
16 Feb 2024
CEO and President
Sold on a plan
11,549
$1.08
$12.47K
Thomas DesRosier
16 Feb 2024
Chief Legal Officer and EVP
Sold on a plan
3,939
$1.08
$4.25K
Matthew R Henn
30 Oct 2023
See Remarks
Sold on a plan
3,886
$1.35
$5.25K
Moltke Lisa von
30 Oct 2023
See Remarks
Sold on a plan
4,232
$1.35
$5.71K
David S. Ege
30 Oct 2023
See Remarks
Sold on a plan
4,066
$1.35
$5.49K
Thomas DesRosier
30 Oct 2023
Chief Legal Officer and EVP
Sold on a plan
4,156
$1.35
$5.61K
David Arkowitz
30 Oct 2023
Chief Financial Officer
Sold on a plan
4,066
$1.35
$5.49K
Teresa L. Young
30 Oct 2023
See Remarks
Sold on a plan
2,907
$1.35
$3.92K
Eric D. Shaff
30 Oct 2023
CEO and President
Sold on a plan
8,552
$1.35
$11.55K
Paula Cloghessy
30 Oct 2023
See Remarks
Sold on a plan
2,904
$1.35
$3.92K
David S. Ege
28 Apr 2023
See Remarks
Sell
7,038
$5.19
$36.53K
David S. Ege
31 Oct 2022
See Remarks
Sell
5,012
$7.93
$39.75K
Nutritional Health LTP Fund General Partner LLC
5 Jul 2022
10% owner
Buy indirect
5,825,495
$3.15
$18.35M
Nutritional Health LTP Fund General Partner LLC
5 Jul 2022
10% owner
Buy indirect
2,912,748
$3.15
$9.18M
Matthew R Henn
1 Dec 2020
See Remarks
Sold after exercise
9,841
$28.34
$278.89K
Matthew R Henn
1 Dec 2020
See Remarks
Sold after exercise
26,265
$27.56
$723.86K
Matthew R Henn
1 Dec 2020
See Remarks
Sold after exercise
55,706
$26.56
$1.48M
Marcus Chapman
22 Nov 2019
See Remarks
Sell
3,400
$3.91
$13.30K
Noubar Afeyan
18 Jun 2019
Director
Buy indirect
4,444,444
$2.25
$10.00M
Noubar Afeyan
18 Jun 2019
Director
Buy indirect
4,444,444
$2.25
$10.00M
Eric D. Shaff
28 Jan 2019
See Remarks
Sell
4,378
$5.75
$25.19K
Thomas DesRosier
28 Jan 2019
Chief Legal Officer and EVP
Sell
5,471
$5.75
$31.48K
John G. Aunins
17 Dec 2018
Chief Technology Officer & EVP
Sell
14,282
$6.39
$91.31K
John G. Aunins
15 Nov 2018
See Remarks
Sell
14,279
$8.26
$117.91K
John G. Aunins
15 Oct 2018
See Remarks
Sell
14,279
$5.94
$84.80K
John G. Aunins
17 Sep 2018
See Remarks
Sell
14,279
$7.27
$103.88K
Roger Pomerantz
7 Sep 2018
President and CEO
Sell
1,810
$9.00
$16.29K
Roger Pomerantz
6 Sep 2018
President and CEO
Sell
3,013
$9.04
$27.24K
Roger Pomerantz
5 Sep 2018
President and CEO
Sell
9,505
$9.12
$86.71K
John G. Aunins
15 Aug 2018
See Remarks
Sell
14,279
$7.57
$108.07K
John G. Aunins
15 Jul 2018
Chief Technology Officer & EVP
Sell
14,279
$8.10
$115.73K
Roger Pomerantz
11 Jul 2018
President and CEO
Sold after exercise
1,010
$9.01
$9.10K
Roger Pomerantz
10 Jul 2018
President and CEO
Sold after exercise
5,989
$9.05
$54.21K
Roger Pomerantz
9 Jul 2018
President and CEO
Sold after exercise
10,981
$9.14
$100.35K
Roger Pomerantz
6 Jul 2018
President and CEO
Sold after exercise
15,366
$9.14
$140.51K
Roger Pomerantz
29 Jun 2018
President and CEO
Sold after exercise
4,496
$9.10
$40.92K
Roger Pomerantz
28 Jun 2018
President and CEO
Sold after exercise
21,560
$9.15
$197.38K
Roger Pomerantz
27 Jun 2018
President and CEO
Sold after exercise
16,991
$9.03
$153.41K
Roger Pomerantz
26 Jun 2018
President and CEO
Sold after exercise
21,224
$9.19
$195.13K
Roger Pomerantz
25 Jun 2018
President and CEO
Sold after exercise
26,752
$9.21
$246.50K
Roger Pomerantz
22 Jun 2018
President and CEO
Sell
40,057
$9.36
$374.76K
Roger Pomerantz
21 Jun 2018
President and CEO
Sell
18,987
$9.06
$172.09K
Roger Pomerantz
20 Jun 2018
President and CEO
Sell
26,492
$9.33
$247.05K
John G. Aunins
15 Jun 2018
Chief Technology Officer & EVP
Sell
14,279
$8.57
$122.33K
John G. Aunins
15 May 2018
See Remarks
Sell
14,279
$8.08
$115.40K
Roger Pomerantz
9 May 2018
President and CEO
Sell
233
$9.00
$2.10K
John G. Aunins
25 Apr 2018
Chief Technology Officer & EVP
Sell
14,279
$7.58
$108.27K
David N Cook
26 Jan 2018
See Remarks
Sold after exercise
1,738
$11.02
$19.15K
Michele Trucksis
26 Jan 2018
See Remarks
Sold after exercise
2,607
$11.02
$28.73K
Thomas DesRosier
26 Jan 2018
See Remarks
Sold after exercise
3,475
$11.02
$38.29K
Eric D. Shaff
26 Jan 2018
See Remarks
Sold after exercise
2,780
$11.02
$30.64K
John G. Aunins
26 Jan 2018
See Remarks
Sold after exercise
1,738
$11.02
$19.15K
Roger Pomerantz
24 Jan 2018
President and CEO
Exercised, kept
40,241
$0.71
$28.57K
John G. Aunins
19 Dec 2017
Chief Technology Officer & EVP
Sold after exercise
1,623
$10.14
$16.46K
Roger Pomerantz
18 Jul 2017
President and CEO
Exercised, kept
100,604
$0.71
$71.43K

What was left out

Form 4 filings counted 278
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 3
Sales on a Rule 10b5-1 plan 51
Sales straight out of an exercise 33
Sales at will 22
Transactions with no price 0
Shares from compensation/vesting 9,854,506
Sales filed before the plan box existed 20
History held since 29 Jun 2015