Frank Witney
CIK 1455312 · President and CEO · last filed 2026-06-02
Frank Witney is a President and CEO who has filed 69 SEC Form 4 insider transactions across 9 companies since 2010. The most recent filing, for CERS, was dated Jun 2, 2026. Across all open-market trades the lifetime net is −$2.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $3.4M 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.
$3.39M
9
69
-$2.52M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CERS | Director | 340,059 | $2.56 | $870.6K | $137.8K | 19 | 2026-06-02 |
| RVTY | Director | 23,354 | $99.66 | $2.33M | $0 | 4 | 2026-05-11 |
| ALMR | Director | — | — | — | $0 | 1 | 2026-04-20 |
| LAB | Director | 215,087 | $0.89 | $190.9K | $0 | 5 | 2025-06-24 |
| TBIO | Director | 115,736 | $0.00 | $12 | $0 | 1 | 2024-05-03 |
| Telesis Bio Inc. (DNAY) Delisted | Director | 20,630 | $1.30 | $26.8K | $0 | 1 | 2022-06-13 |
| REVVITY, INC. (PKI) Delisted | Director | 14,729 | $115.24 | $1.70M | $0 | 7 | 2022-05-09 |
| AFFYMETRIX INC (AFFX) Delisted | President and CEO | 0 | — | — | -$2.66M | 29 | 2016-04-01 |
| DIONEX CORP /DE (DNEX) Delisted | President and CEO | — | — | — | $0 | 1 | 2010-08-05 |
Recent Filings
69 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-02 | CERS | Grant (A) | +60,000 | $0 | EDGAR |
| 2026-05-11 | RVTY | Grant (A) | +2,280 | $0 | EDGAR |
| 2026-04-20 | ALMR | Other (J) | — | $0 | EDGAR |
| 2025-06-24 | LAB | Grant (A) | +94,592 | $0 | EDGAR |
| 2025-06-04 | CERS | Grant (A) | +60,000 | $0 | EDGAR |
| 2025-05-01 | RVTY | Grant (A) | +2,412 | $0 | EDGAR |
| 2024-07-02 | LAB | Grant (A) | +43,128 | $0 | EDGAR |
| 2024-06-06 | CERS | Grant (A) | +40,000 | $200.0K | EDGAR |
| 2024-05-10 | CERS | Buy (P) | +20,000 | $37.8K | EDGAR |
| 2024-05-03 | TBIO | Grant (A) | +95,106 | $0 | EDGAR |