Eric D. Shaff
CIK 1643734 · CEO and President · last filed 2026-05-19
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
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Disclosed Exposure
$68.6K
Companies
2
Total Filings
33
Lifetime Open-Market Net
-$913.2K
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| MCRB | CEO and President | 12,040 | $5.70 | $68.6K | -$913.2K | 29 | 2026-05-19 |
| Sigilon Therapeutics, Inc. (SGTX) Delisted | Director | — | $22.47 | — | $0 | 4 | 2023-08-11 |
Recent Filings · Page 3 of 4
33 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2021-02-08 | MCRB | Grant (A) | — | $0 | EDGAR |
| 2020-01-31 | MCRB | Grant (A) | — | $0 | EDGAR |
| 2020-01-28 | MCRB | Exer (M) | +20,000 | $0 | EDGAR |
| 2019-01-29 | MCRB | Mixed | +7,622 | -$25.2K | EDGAR |
| 2018-01-30 | MCRB | Mixed | +5,220 | -$30.6K | EDGAR |
| 2017-01-27 | MCRB | Grant (A) | — | $0 | EDGAR |
| 2016-06-30 | MCRB | Mixed | — | -$98.6K | EDGAR |
| 2016-06-29 | MCRB | Mixed | — | -$102.5K | EDGAR |
| 2016-04-06 | MCRB | Mixed | — | -$138.3K | EDGAR |
| 2016-04-04 | MCRB | Mixed | — | -$141.9K | EDGAR |
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.