Shaff Eric D.
CIK: 0001643734•CEO and President
OfficerDirector
Primary company: Seres Therapeutics, Inc. (MCRB)
Shaff Eric D. is a corporate insider (CEO and President) at Seres Therapeutics, Inc. (MCRB) filing SEC Form 4 transactions. 89 transactions across 2 companies, totaling $0 in purchases and $719,575 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Sale | 263 | $4.55 | $1K | 12,499 | 8/17/2026 Filed: 8/15/2026 | Filing → | |
| Exercise | 332 | - | - | 1,993 | 8/15/2026 Filed: 8/15/2026 | Filing → | |
| Exercise | 390 | - | - | 783 | 8/15/2026 Filed: 8/15/2026 | Filing → | |
| Exercise | 722 | - | - | 12,762 | 8/15/2026 Filed: 8/15/2026 | Filing → | |
| Award | 6,500 | $7.14 | $46K | 6,500 | 7/8/2026 Filed: 7/8/2026 | Filing → | |
| Exercise | 331 | - | - | 2,989 | 11/15/2025 Filed: 11/18/2025 | Filing → | |
| Exercise | 390 | - | - | 1,954 | 11/15/2025 Filed: 11/18/2025 | Filing → | |
| Sale | 217 | $17.30 | $4K | 11,113 | 11/15/2025 Filed: 11/18/2025 | Filing → | |
| Exercise | 331 | - | - | 11,330 | 11/15/2025 Filed: 11/18/2025 | Filing → | |
| Exercise | 390 | - | - | 10,999 | 11/15/2025 Filed: 11/18/2025 | Filing → | |
| Sale | 217 | $16.65 | $4K | 10,609 | 8/18/2025 Filed: 8/19/2025 | Filing → | |
| Exercise | 333 | - | - | 3,320 | 8/15/2025 Filed: 8/19/2025 | Filing → | |
| Exercise | 391 | - | - | 2,344 | 8/15/2025 Filed: 8/19/2025 | Filing → | |
| Exercise | 333 | - | - | 10,826 | 8/15/2025 Filed: 8/19/2025 | Filing → | |
| Exercise | 391 | - | - | 10,493 | 8/15/2025 Filed: 8/19/2025 | Filing → | |
| Sale | 220 | $7.28 | $2K | 10,102 | 5/16/2025 Filed: 5/19/2025 | Filing → | |
| Exercise | 331 | - | - | 3,653 | 5/15/2025 Filed: 5/19/2025 | Filing → | |
| Exercise | 390 | - | - | 2,735 | 5/15/2025 Filed: 5/19/2025 | Filing → | |
| Exercise | 331 | - | - | 10,322 | 5/15/2025 Filed: 5/19/2025 | Filing → | |
| Exercise | 390 | - | - | 9,991 | 5/15/2025 Filed: 5/19/2025 | Filing → |
Type
Sale
Shares
263
Price
$4.55
Value
$1K
Type
Exercise
Shares
332
Price
-
Value
-
Type
Exercise
Shares
390
Price
-
Value
-
Type
Exercise
Shares
722
Price
-
Value
-
Type
Award
Shares
6,500
Price
$7.14
Value
$46K
Type
Exercise
Shares
331
Price
-
Value
-
Type
Exercise
Shares
390
Price
-
Value
-
Type
Sale
Shares
217
Price
$17.30
Value
$4K
Type
Exercise
Shares
331
Price
-
Value
-
Type
Exercise
Shares
390
Price
-
Value
-
Type
Sale
Shares
217
Price
$16.65
Value
$4K
Type
Exercise
Shares
333
Price
-
Value
-
Type
Exercise
Shares
391
Price
-
Value
-
Type
Exercise
Shares
333
Price
-
Value
-
Type
Exercise
Shares
391
Price
-
Value
-
Type
Sale
Shares
220
Price
$7.28
Value
$2K
Type
Exercise
Shares
331
Price
-
Value
-
Type
Exercise
Shares
390
Price
-
Value
-
Type
Exercise
Shares
331
Price
-
Value
-
Type
Exercise
Shares
390
Price
-
Value
-
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