Zeffiro A Mark

Executive Vice President & CFO at TRIMAS CORP · on record since Sep 9, 2013
Director at Atkore Inc. · on record since Jun 2, 2026
Director at Horizon Global Corp · on record since Jun 22, 2015
President, CEO at Horizon Global Corp · on record since Mar 8, 2016

Insider trading activity of Zeffiro A Mark

Transactions on record: 123; since Nov 13, 2008

Open-market buys: 15; $251.6K

Open-market sells: 20; $5.6M

Companies traded: 3; last filing Aug 31, 2026

Figures computed from official regulatory filings — .

Companies where Zeffiro A Mark has traded

Atkore Inc.24 tx · $1.3M · Aug 31, 2026
Horizon Global Corp20 tx · $832.4K · Mar 5, 2018
TRIMAS CORP79 tx · $5M · Oct 31, 2014

Track record of Zeffiro A Mark

Statistical track record

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Open-market buys: 15

Last buy: Mar 14, 2017

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Transaction history of Zeffiro A Mark

Co-insiders of Zeffiro A Mark

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Atkore Inc.Listing on record	Aug 31, 2026	Award	48.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Jun 2, 2026	Award	54.43	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Mar 3, 2026	Award	69.31	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Feb 2, 2026	Award	2,275	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Dec 19, 2025	Award	67.73	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Sep 3, 2025	Award	73.76	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	May 30, 2025	Award	64.08	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Mar 3, 2025	Award	67	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Jan 31, 2025	Award	1,795	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Dec 17, 2024	Award	43.16	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Nov 19, 2024	Award	40.01	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Nov 19, 2024	Award	23.32	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Nov 19, 2024	Award	24.65	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	May 22, 2024	Sell	-2,000	154.11 USD	$308.2K		SEC
Atkore Inc.Listing on record	Jan 31, 2024	Award	956	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	May 24, 2023	Sell	-750	118.82 USD	$89.1K		SEC
Atkore Inc.Listing on record	Jan 31, 2023	Award	1,099	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Jan 27, 2022	Award	1,491	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	May 12, 2021	Sell	-10,000	85.69 USD	$856.9K	Unusual size	SEC
Atkore Inc.Listing on record	Feb 1, 2021	Award	2,597	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Jan 31, 2020	Award	2,682	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Feb 7, 2019	Award	4,683	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Horizon Global CorpListing unverified	Mar 5, 2018	Other	-1,483	8.24 USD	$12.2K		SEC
Horizon Global CorpListing unverified	Mar 5, 2018	Award	46,015	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Horizon Global CorpListing unverified	Mar 5, 2018	Other	-7,601	8.81 USD	$67K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Atkore Inc.Listing on record	Aug 31, 2026	Award	48.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Jun 2, 2026	Award	54.43	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Mar 3, 2026	Award	69.31	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Feb 2, 2026	Award	2,275	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Dec 19, 2025	Award	67.73	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Sep 3, 2025	Award	73.76	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	May 30, 2025	Award	64.08	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Mar 3, 2025	Award	67	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Jan 31, 2025	Award	1,795	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Dec 17, 2024	Award	43.16	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Nov 19, 2024	Award	40.01	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Nov 19, 2024	Award	23.32	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Nov 19, 2024	Award	24.65	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	May 22, 2024	Sell	-2,000	154.11 USD	$308.2K		SEC
Atkore Inc.Listing on record	Jan 31, 2024	Award	956	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	May 24, 2023	Sell	-750	118.82 USD	$89.1K		SEC
Atkore Inc.Listing on record	Jan 31, 2023	Award	1,099	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Jan 27, 2022	Award	1,491	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	May 12, 2021	Sell	-10,000	85.69 USD	$856.9K	Unusual size	SEC
Atkore Inc.Listing on record	Feb 1, 2021	Award	2,597	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Jan 31, 2020	Award	2,682	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Atkore Inc.Listing on record	Feb 7, 2019	Award	4,683	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Horizon Global CorpListing unverified	Mar 5, 2018	Other	-1,483	8.24 USD	$12.2K		SEC
Horizon Global CorpListing unverified	Mar 5, 2018	Award	46,015	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Horizon Global CorpListing unverified	Mar 5, 2018	Other	-7,601	8.81 USD	$67K		SEC