LOUIS T PETRILLO
CIK 1227095 · Officer of Subsidiary · last filed 2026-03-05
LOUIS T PETRILLO is an Officer of Subsidiary who has filed 71 SEC Form 4 insider transactions across 4 companies since 2007. The most recent filing, for ACGLO, was dated Mar 5, 2026. Across all open-market trades the lifetime net is −$23.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $2.9M 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.
$2.93M
4
71
-$23.30M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ACGLO | Officer of Subsidiary | 151,590 | $19.33 | $2.93M | -$9.19M | 36 | 2026-03-05 |
| ARCH CAPITAL GROUP LTD. (ARHpC.CL) Delisted | Officer of Subsidiary | 43,268 | — | — | -$539.2K | 1 | 2017-12-14 |
| ARCH CAPITAL GROUP LTD. (ARHpC) Delisted | Officer of Subsidiary | 48,789 | — | — | -$8.41M | 20 | 2017-11-20 |
| ARCH CAPITAL GROUP LTD. (ARHpB) Delisted | Officer of Subsidiary | 58,441 | — | — | -$5.16M | 14 | 2011-11-14 |
Recent Filings
71 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-05 | ACGLO | Mixed | −5,141 | -$790.3K | EDGAR |
| 2026-03-02 | ACGLO | Tax (F) | −312 | -$31.2K | EDGAR |
| 2026-02-26 | ACGLO | Mixed | +16,724 | -$40.9K | EDGAR |
| 2025-12-11 | ACGLO | Gift (G) | −28 | $0 | EDGAR |
| 2025-05-12 | ACGLO | Mixed | — | -$1.26M | EDGAR |
| 2025-03-06 | ACGLO | Mixed | −6,874 | -$2.51M | EDGAR |
| 2025-02-28 | ACGLO | Mixed | +20,494 | -$108.5K | EDGAR |
| 2024-12-12 | ACGLO | Gift (G) | −24 | $0 | EDGAR |
| 2024-11-21 | ACGLO | Grant (A) | +5,944 | $0 | EDGAR |
| 2024-03-06 | ACGLO | Tax (F) | −12,992 | -$1.13M | EDGAR |