LOUIS T PETRILLO

CIK 1227095 · Officer of Subsidiary · last filed 2026-03-05

"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

$2.93M

Companies

4

Total Filings

71

Lifetime Open-Market Net

-$23.30M

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
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 · Page 2 of 8

71 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2024-02-29 ACGLO Grant (A) +2,608 $0 EDGAR
2024-02-27 ACGLO Mixed +26,137 -$129.8K EDGAR
2023-12-11 ACGLO Gift (G) −28 $0 EDGAR
2023-11-16 ACGLO Gift (G) −1,190 $0 EDGAR
2023-06-14 ACGLO Gift (G) $0 EDGAR
2023-05-10 ACGLO Mixed −6,879 -$1.86M EDGAR
2023-03-14 ACGLO Tax (F) −3,047 -$203.0K EDGAR
2023-02-28 ACGLO Mixed +9,966 -$111.0K EDGAR
2022-08-15 ACGLO Mixed −16,023 -$1.46M EDGAR
2022-03-11 ACGLO Tax (F) −13,549 -$612.4K EDGAR
Showing 1120 of 71
Page 2 of 8
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.