John James Sullivan
CIK 1305784 · President and CEO · last filed 2025-12-05
John James Sullivan is a President and CEO who has filed 90 SEC Form 4 insider transactions across 1 company since 2007. The most recent filing, for MLAB, was dated Dec 5, 2025. Across all open-market trades the lifetime net is −$23.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $7.4M 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.
$7.39M
1
90
-$23.46M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| MLAB | Director | 70,062 | $105.48 | $7.39M | -$23.46M | 90 | 2025-12-05 |
Recent Filings
90 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-12-05 | MLAB | Gift (G) | −2,000 | $0 | EDGAR |
| 2025-08-18 | MLAB | Mixed | +1,404 | $0 | EDGAR |
| 2024-11-25 | MLAB | Gift (G) | −2,000 | $0 | EDGAR |
| 2024-09-06 | MLAB | Exer (M) | +1,074 | $0 | EDGAR |
| 2024-08-19 | MLAB | Grant (A) | — | $0 | EDGAR |
| 2024-04-03 | MLAB | E | — | $0 | EDGAR |
| 2023-11-14 | MLAB | Gift (G) | −2,000 | $0 | EDGAR |
| 2023-09-06 | MLAB | Exer (M) | — | $0 | EDGAR |
| 2023-08-16 | MLAB | Exer (M) | +754 | $0 | EDGAR |
| 2023-06-21 | MLAB | Mixed | +9 | -$813 | EDGAR |