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 4 of 8

71 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2019-05-14 ACGLO Tax (F) −3,573 -$119.6K EDGAR
2019-05-10 ACGLO Tax (F) −2,798 -$93.8K EDGAR
2019-03-04 ACGLO Grant (A) +5,280 $0 EDGAR
2018-09-17 ACGLO Sell (S) −9,573 -$291.3K EDGAR
2018-05-15 ACGLO Mixed −419 -$172.7K EDGAR
2018-05-10 ACGLO Tax (F) −730 -$58.4K EDGAR
2017-12-14 ARCH CAPITAL GROUP LTD. (ARHpC.CL) Delisted Sell (S) −5,921 -$539.2K EDGAR
2017-11-20 ARCH CAPITAL GROUP LTD. (ARHpC) Delisted Tax (F) −7,479 -$713.1K EDGAR
2017-05-25 ARCH CAPITAL GROUP LTD. (ARHpC) Delisted Sell (S) −2,990 -$284.0K EDGAR
2017-05-16 ARCH CAPITAL GROUP LTD. (ARHpC) Delisted Tax (F) −3,775 -$359.3K EDGAR
Showing 3140 of 71
Page 4 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.