NEIL P SIMPKINS

CIK 1275519 · last filed 2026-03-06

NEIL P SIMPKINS is a corporate insider who has filed 15 SEC Form 4 insider transactions across 3 companies since 2007. The most recent filing, for GTES, was dated Mar 6, 2026. Across all open-market trades the lifetime net is −$2.63B, making them a net seller over the disclosed history. Current disclosed insider exposure totals $28.3M 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

$28.33M

Companies

3

Total Filings

15

Lifetime Open-Market Net

-$2.63B

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
GTES Director 1,044,020 $27.14 $28.33M $12.20M 6 2026-03-06
Summit Materials, Inc. (SUM) Delisted Director 4,098 $52.49 $215.1K $0 2 2018-03-01
ZF TRW AUTOMOTIVE HOLDINGS CORP (TRW) Delisted Director 0 -$2.65B 7 2015-05-15

Recent Filings

15 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-03-06 GTES Grant (A) +11,623 $0 EDGAR
2026-03-03 GTES Tax (F) −5 -$138 EDGAR
2025-03-06 GTES Tax (F) −10 -$200 EDGAR
2025-03-04 GTES Grant (A) +12,708 $0 EDGAR
2024-03-06 GTES Grant (A) +18,493 $0 EDGAR
2024-02-20 GTES Buy (P) +1,000,000 $12.20M EDGAR
2018-03-01 Summit Materials, Inc. (SUM) Delisted Mixed +4,098 $0 EDGAR
2017-03-02 Summit Materials, Inc. (SUM) Delisted Grant (A) $0 EDGAR
2015-05-15 ZF TRW AUTOMOTIVE HOLDINGS CORP (TRW) Delisted Disp (D) −1,638 -$173.0K EDGAR
2013-08-07 ZF TRW AUTOMOTIVE HOLDINGS CORP (TRW) Delisted Sell (S) −10,273,062 -$731.34M 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.