CHRISTOPHER A O'HERLIHY

CIK 1504646 · President & CEO · last filed 2026-05-12

CHRISTOPHER A O'HERLIHY is a President & CEO who has filed 46 SEC Form 4 insider transactions across 2 companies since 2010. The most recent filing, for MAS, was dated May 12, 2026. Across all open-market trades the lifetime net is −$57.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $20.3M 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.

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Disclosed Exposure

$20.33M

Companies

2

Total Filings

46

Lifetime Open-Market Net

-$57.95M

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
MAS Director 51,766 $74.03 $3.83M $0 13 2026-05-12
ITW President & CEO 64,100 $257.43 $16.50M -$57.95M 33 2026-02-17

Recent Filings

46 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-12 MAS Grant (A) +2,650 $0 EDGAR
2026-02-17 ITW Mixed +4,414 -$779.1K EDGAR
2025-05-13 MAS Grant (A) +2,900 $0 EDGAR
2025-03-11 ITW Mixed -$7.09M EDGAR
2025-02-18 ITW Mixed +4,454 -$652.3K EDGAR
2024-05-14 MAS Grant (A) +2,490 $0 EDGAR
2024-02-14 ITW Mixed +7,357 -$1.50M EDGAR
2024-02-13 ITW Grant (A) $0 EDGAR
2023-05-12 MAS Grant (A) +3,040 $0 EDGAR
2023-02-16 ITW Mixed +3,230 -$611.6K EDGAR
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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.