Who
A. Mark Zeffiro
Director
Company insider
Files Form 4 as: Director, Atkore; President, CEO, Horizon Global; Executive Vice President & CFO, TriMas.
In numbers
- Trades disclosed
- 128
- Buys
- 10
- Sells
- 16
- Bought
- $252K
- Sold
- $5.6M
- Companies
- 3
- Companies where not an officer
- 1
- First trade
- 11 Nov 2008
- Last trade
- 19 Oct 2026
- Last filed
- 21 Oct 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 19 Oct 2026filed 21 Oct 2026 | AtkoreElectronic Components & EMS | SEC FORM 4 Code D | $2.3M23,993.806 at $95.00 | filing |
| 28 Aug 2026filed 31 Aug 2026 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —48.35 at $0.00 | filing |
| 28 Aug 2026filed 31 Aug 2026 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —48.35 at $0.00 | filing |
| 29 May 2026filed 2 Jun 2026 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —54.434 at $0.00 | filing |
| 29 May 2026filed 2 Jun 2026 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —54.43 at $0.00 | filing |
| 27 Feb 2026filed 3 Mar 2026 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —69.306 at $0.00 | filing |
| 27 Feb 2026filed 3 Mar 2026 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —69.31 at $0.00 | filing |
| 29 Jan 2026filed 2 Feb 2026 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —2,275 at $0.00 | filing |
| 29 Jan 2026filed 2 Feb 2026 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —2,275 at $0.00 | filing |
| 17 Dec 2025filed 19 Dec 2025 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —67.73 at $0.00 | filing |
| 29 Aug 2025filed 3 Sep 2025 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —73.76 at $0.00 | filing |
| 28 May 2025filed 30 May 2025 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —64.08 at $0.00 | filing |
| 28 Feb 2025filed 3 Mar 2025 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —67 at $0.00 | filing |
| 30 Jan 2025filed 31 Jan 2025 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —1,795 at $0.00 | filing |
| 16 Dec 2024filed 17 Dec 2024 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —43.16 at $0.00 | filing |
| 30 Aug 2024filed 19 Nov 2024 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —40.01 at $0.00 | filing |
| 31 May 2024filed 19 Nov 2024 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —24.65 at $0.00 | filing |
| 22 May 2024filed 22 May 2024 | AtkoreElectronic Components & EMS | SEC FORM 4 Sold | $308K2,000 at $154.11 | filing |
| 15 Mar 2024filed 19 Nov 2024 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —23.32 at $0.00 | filing |
| 30 Jan 2024filed 31 Jan 2024 | AtkoreElectronic Components & EMS | SEC FORM 4 Code A | —956 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.