SIMPKINS NEIL P

Director at ZF TRW AUTOMOTIVE HOLDINGS CORP · on record since Jun 4, 2007
10% owner at ZF TRW AUTOMOTIVE HOLDINGS CORP · on record since Jun 4, 2007
Director at VANGUARD HEALTH SYSTEMS INC · on record since Jun 21, 2011
Director at Summit Materials, Inc. · on record since Mar 12, 2015
Director at Gates Industrial Corp Ltd. · on record since Jan 25, 2018
Director at China Natural Gas, Inc. · on record since Jun 27, 2019
Director at Apria, Inc. · on record since Feb 11, 2021

Insider trading activity of SIMPKINS NEIL P

Transactions on record: 21; since Feb 6, 2004

Open-market buys: 3; $12.2M

Open-market sells: 7; $3B

Companies traded: 3; last filing Mar 6, 2026

Figures computed from official regulatory filings — .

Companies where SIMPKINS NEIL P has traded

Gates Industrial Corp Ltd.8 tx · $12.2M · Mar 6, 2026
Summit Materials, Inc.4 tx · Mar 1, 2018
ZF TRW AUTOMOTIVE HOLDINGS CORP9 tx · $3B · May 15, 2015

Track record of SIMPKINS NEIL P

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of SIMPKINS NEIL P

Co-insiders of SIMPKINS NEIL P

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Gates Industrial Corp Ltd.Listing on record	Mar 6, 2026	Award	11,623	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 3, 2026	Other	-5	27.57 USD	$137.9		SEC
Gates Industrial Corp Ltd.Listing on record	Feb 6, 2026	Buy	616	22.59 USD	$13.9K	conv 32	SEC
Gates Industrial Corp Ltd.Listing on record	Feb 6, 2026	Buy	595	22.22 USD	$13.2K	conv 47First in 12mo	SEC
Gates Industrial Corp Ltd.Listing on record	Mar 6, 2025	Other	-10	20.00 USD	$200		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 4, 2025	Award	12,708	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 6, 2024	Award	18,493	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Gates Industrial Corp Ltd.Listing on record	Feb 20, 2024	Buy	1,000,000	12.20 USD	$12.2M	conv 71ClusterFirst in 12mo	SEC
Summit Materials, Inc.Listing unverified	Mar 1, 2018	ExerciseD (derivative)	-4,098	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Materials, Inc.Listing unverified	Mar 1, 2018	AwardD (derivative)	3,994	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Materials, Inc.Listing unverified	Mar 1, 2018	Exercise	4,098	—	n/a (No price was disclosed in the filing)		SEC
Summit Materials, Inc.Listing unverified	Mar 2, 2017	AwardD (derivative)	4,098	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	May 15, 2015	Other	-1,638	105.60 USD	$173K		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	May 15, 2014	Award	1,638	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Aug 7, 2013	Sell	-10,273,062	71.19 USD	$731.3M	Unusual size	SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Feb 22, 2013	Sell	-9,215,354	59.10 USD	$544.6M	Unusual size	SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Nov 17, 2010	Sell	-9,040,313	48.26 USD	$436.3M		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Sep 13, 2010	Sell	-7,493,201	35.30	$264.5M		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Mar 3, 2010	Sell	-10,038,355	26.30	$264M		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Jun 4, 2007	Sell	-10,000,000	40.45	$404.5M		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Feb 6, 2004	Sell	-12,068,965	28.00 USD	$337.9M		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Gates Industrial Corp Ltd.Listing on record	Mar 6, 2026	Award	11,623	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 3, 2026	Other	-5	27.57 USD	$137.9		SEC
Gates Industrial Corp Ltd.Listing on record	Feb 6, 2026	Buy	616	22.59 USD	$13.9K	conv 32	SEC
Gates Industrial Corp Ltd.Listing on record	Feb 6, 2026	Buy	595	22.22 USD	$13.2K	conv 47First in 12mo	SEC
Gates Industrial Corp Ltd.Listing on record	Mar 6, 2025	Other	-10	20.00 USD	$200		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 4, 2025	Award	12,708	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 6, 2024	Award	18,493	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Gates Industrial Corp Ltd.Listing on record	Feb 20, 2024	Buy	1,000,000	12.20 USD	$12.2M	conv 71ClusterFirst in 12mo	SEC
Summit Materials, Inc.Listing unverified	Mar 1, 2018	ExerciseD (derivative)	-4,098	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Materials, Inc.Listing unverified	Mar 1, 2018	AwardD (derivative)	3,994	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Summit Materials, Inc.Listing unverified	Mar 1, 2018	Exercise	4,098	—	n/a (No price was disclosed in the filing)		SEC
Summit Materials, Inc.Listing unverified	Mar 2, 2017	AwardD (derivative)	4,098	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	May 15, 2015	Other	-1,638	105.60 USD	$173K		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	May 15, 2014	Award	1,638	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Aug 7, 2013	Sell	-10,273,062	71.19 USD	$731.3M	Unusual size	SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Feb 22, 2013	Sell	-9,215,354	59.10 USD	$544.6M	Unusual size	SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Nov 17, 2010	Sell	-9,040,313	48.26 USD	$436.3M		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Sep 13, 2010	Sell	-7,493,201	35.30	$264.5M		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Mar 3, 2010	Sell	-10,038,355	26.30	$264M		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Jun 4, 2007	Sell	-10,000,000	40.45	$404.5M		SEC
ZF TRW AUTOMOTIVE HOLDINGS CORPListing unverified	Feb 6, 2004	Sell	-12,068,965	28.00 USD	$337.9M		SEC