Eric D. Shaff
CIK 1643734 · CEO and President · last filed 2026-05-19
Eric D. Shaff is a CEO and President who has filed 33 SEC Form 4 insider transactions across 2 companies since 2015. The most recent filing, for MCRB, was dated May 19, 2026. Across all open-market trades the lifetime net is −$913.2K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $68.6K across reported positions.
"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.
$68.6K
2
33
-$913.2K
Holdings By Company
| 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
33 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-19 | MCRB | Mixed | +463 | -$2.0K | EDGAR |
| 2026-02-18 | MCRB | Mixed | +464 | -$2.2K | EDGAR |
| 2025-11-18 | MCRB | Mixed | +504 | -$3.8K | EDGAR |
| 2025-08-19 | MCRB | Mixed | +507 | -$3.6K | EDGAR |
| 2025-05-19 | MCRB | Mixed | +501 | -$1.6K | EDGAR |
| 2025-02-19 | MCRB | Mixed | +21,650 | -$10.3K | EDGAR |
| 2025-02-11 | MCRB | Grant (A) | — | $0 | EDGAR |
| 2024-11-19 | MCRB | Mixed | +5,307 | -$1.4K | EDGAR |
| 2024-10-29 | MCRB | Mixed | +19,089 | -$6.0K | EDGAR |
| 2024-08-19 | MCRB | Mixed | +5,295 | -$2.1K | EDGAR |