Brady Kelly
See Remarks
Sale
Calculated transaction value
$291.2
64 shares @ $4.55
Traded
Aug 17, 2026
Filed
Aug 18, 2026
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Seres Therapeutics
MCRB
ManufacturingChemicals
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
31 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Brady Kelly See Remarks | Aug 18, 2026 1-day lag | Sale Aug 17, 2026 | $291.2 Filed shares x price | SEC Form 4 View filing | |
| Brady Kelly See Remarks | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Brady Kelly See Remarks | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Brady Kelly See Remarks | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Shaff Eric D. Director | Aug 18, 2026 1-day lag | Sale Aug 17, 2026 | $1.2K Filed shares x price | SEC Form 4 View filing | |
| Shaff Eric D. Director | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Shaff Eric D. Director | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Shaff Eric D. Director | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Henn Matthew R See Remarks | Aug 18, 2026 1-day lag | Sale Aug 17, 2026 | $368.55 Filed shares x price | SEC Form 4 View filing | |
| Henn Matthew R See Remarks | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Henn Matthew R See Remarks | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Henn Matthew R See Remarks | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Desrosier Thomas See Remarks | Aug 18, 2026 1-day lag | Sale Aug 17, 2026 | $373.1 Filed shares x price | SEC Form 4 View filing | |
| Desrosier Thomas See Remarks | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Desrosier Thomas See Remarks | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Desrosier Thomas See Remarks | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Fraser Claire Director | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Desrosier Thomas See Remarks | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Kender Richard N See Remarks | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Brady Kelly See Remarks | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Henn Matthew R See Remarks | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Berenson Stephen Director | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Dere Willard H Director | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Thorell Marella See Remarks | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Rosiello Robert L. Director | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Shaff Eric D. Director | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Ausiello Dennis A Director | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Graves Kurt Director | Jul 10, 2026 2-day lag | Award Jul 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Berenson Stephen Director | Jul 2, 2026 1-day lag | Award Jul 1, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Rosiello Robert L. Director | Jul 2, 2026 1-day lag | Award Jul 1, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Brady Kelly
See Remarks
Exercise
Reported value range
Not reported
181 shares
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Brady Kelly
See Remarks
Exercise
Calculated transaction value
$0
90 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Brady Kelly
See Remarks
Exercise
Calculated transaction value
$0
91 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Shaff Eric D.
Director
Sale
Calculated transaction value
$1.2K
263 shares @ $4.55
Traded
Aug 17, 2026
Filed
Aug 18, 2026
Shaff Eric D.
Director
Exercise
Calculated transaction value
$0
332 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Shaff Eric D.
Director
Exercise
Reported value range
Not reported
722 shares
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Shaff Eric D.
Director
Exercise
Calculated transaction value
$0
390 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Henn Matthew R
See Remarks
Sale
Calculated transaction value
$368.55
81 shares @ $4.55
Traded
Aug 17, 2026
Filed
Aug 18, 2026
Henn Matthew R
See Remarks
Exercise
Calculated transaction value
$0
140 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Henn Matthew R
See Remarks
Exercise
Calculated transaction value
$0
98 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Henn Matthew R
See Remarks
Exercise
Reported value range
Not reported
238 shares
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Desrosier Thomas
See Remarks
Sale
Calculated transaction value
$373.1
82 shares @ $4.55
Traded
Aug 17, 2026
Filed
Aug 18, 2026
Desrosier Thomas
See Remarks
Exercise
Reported value range
Not reported
245 shares
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Desrosier Thomas
See Remarks
Exercise
Calculated transaction value
$0
112 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Desrosier Thomas
See Remarks
Exercise
Calculated transaction value
$0
133 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Fraser Claire
Director
Award
Calculated transaction value
$0
6,500 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Desrosier Thomas
See Remarks
Award
Calculated transaction value
$0
7,500 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Kender Richard N
See Remarks
Award
Calculated transaction value
$0
50,000 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Brady Kelly
See Remarks
Award
Calculated transaction value
$0
18,750 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Henn Matthew R
See Remarks
Award
Calculated transaction value
$0
25,000 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Berenson Stephen
Director
Award
Calculated transaction value
$0
6,500 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Dere Willard H
Director
Award
Calculated transaction value
$0
6,500 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Thorell Marella
See Remarks
Award
Calculated transaction value
$0
7,500 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Rosiello Robert L.
Director
Award
Calculated transaction value
$0
6,500 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Shaff Eric D.
Director
Award
Calculated transaction value
$0
6,500 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Ausiello Dennis A
Director
Award
Calculated transaction value
$0
6,500 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Graves Kurt
Director
Award
Calculated transaction value
$0
6,500 shares @ $0
Traded
Jul 8, 2026
Filed
Jul 10, 2026
Berenson Stephen
Director
Award
Calculated transaction value
$0
7,508 shares @ $0
Traded
Jul 1, 2026
Filed
Jul 2, 2026
Rosiello Robert L.
Director
Award
Calculated transaction value
$0
7,508 shares @ $0
Traded
Jul 1, 2026
Filed
Jul 2, 2026