Zeffiro A Mark - Insider Non-Derivative Transactions at Atkore Inc. (ATKR) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 17, 2025, Zeffiro A Mark's relationship to Atkore Inc. (ATKR) is Director, and currently has 21,546.72 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other ATKR insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Zeffiro A Mark - Insider Non-Derivative Transactions of ATKR Common Stock

Zeffiro A Mark - Insider Non-Derivative Transactions at ATKR

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 18, 2025	Acquisition -- (Common Stock)	67.73	0	21546.72
Aug 30, 2025	Acquisition -- (Common Stock)	73.76	0	21478.99
May 29, 2025	Acquisition -- (Common Stock)	64.08	0	21405.22
Mar 1, 2025	Acquisition -- (Common Stock)	67	0	21341.14
Jan 31, 2025	Acquisition -- (Common Stock)	1795	0	21274.15
Dec 17, 2024	Acquisition -- (Common Stock)	43.16	0	19479.15
Aug 31, 2024	Acquisition -- (Common Stock)	40.01	0	19435.99
Jun 1, 2024	Acquisition -- (Common Stock)	24.65	0	19395.97
May 23, 2024	Sell -- (Common Stock)	2000	154.11	19348
Mar 16, 2024	Acquisition -- (Common Stock)	23.32	0	19371.32
Jan 31, 2024	Acquisition -- (Common Stock)	956	0	21348
May 25, 2023	Sell -- (Common Stock)	750	118.82	20392
Jan 28, 2023	Acquisition -- (Common Stock)	1099	0	21142