As of March 23, 2026, the three largest insider holders of ACU are Walter C Johnsen (Chairman And Ceo, 315.00K shares), Paul G Driscoll (Chief Financial Officer, 50.40K shares), Brian S Olschan (President And Coo, 41.21K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Walter C Johnsen | Chairman And Ceo | 314,999 | 0 | 03 Mar, 2026 |
| Paul G Driscoll | Chief Financial Officer | 50,398 | 0 | 03 Mar, 2026 |
| Brian S Olschan | President And Coo | 41,209 | 0 | 03 Mar, 2026 |
| Stevenson E Iii Ward | 33,331 | 0 | 10 Sep, 2024 | |
| Richmond Y Jr Holden | 15,250 | 0 | 08 Sep, 2025 | |
| Susan H Murphy | 5,967 | 0 | 05 Mar, 2026 | |
| Brian Barker | 1,300 | 0 | 03 Aug, 2022 | |
| Rex Lynn Davidson | 1,228 | 0 | 04 Mar, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 03 Mar, 2026 | Susan H Murphy | Common Stock | D | 1,200 | $44.08 | 5,967 | D | G |
| 27 Feb, 2026 | Brian S Olschan | Common Stock | A | 15,000 | $24.92 | 56,209 | D | M |
| 27 Feb, 2026 | Paul G Driscoll | Common Stock | A | 15,000 | $21.49 | 65,398 | D | M |
| 27 Feb, 2026 | Walter C Johnsen | Common Stock | A | 30,000 | $21.49 | 344,999 | D | M |
| 27 Feb, 2026 | Paul G Driscoll | Common Stock | D | 15,000 | $45.88 | 50,398 | D | D |
| 27 Feb, 2026 | Brian S Olschan | Common Stock | D | 15,000 | $45.88 | 41,209 | D | D |
| 27 Feb, 2026 | Walter C Johnsen | Common Stock | D | 30,000 | $45.88 | 314,999 | D | D |
| 27 Feb, 2026 | Paul G Driscoll | Employee Stock Option | D | 15,000 | $21.49 | 145,000 | D | M |
| 27 Feb, 2026 | Walter C Johnsen | Employee Stock Option | D | 30,000 | $21.49 | 388,500 | D | M |
| 27 Feb, 2026 | Brian S Olschan | Employee Stock Option | D | 15,000 | $24.92 | 241,700 | D | M |
| 02 Mar, 2026 | Brian S Olschan | Employee Stock Option | A | 20,000 | $44.77 | 261,700 | D | A |
| 02 Mar, 2026 | Paul G Driscoll | Employee Stock Option | A | 15,000 | $44.77 | 160,000 | D | A |
| 02 Mar, 2026 | Walter C Johnsen | Employee Stock Option | A | 25,000 | $44.77 | 413,500 | D | A |
| 05 Sep, 2025 | Richmond Y Jr Holden | Common Stock | A | 2,500 | $21.20 | 17,750 | D | M |
| 05 Sep, 2025 | Richmond Y Jr Holden | Common Stock | D | 2,500 | $44.36 | 15,250 | D | D |
| 05 Sep, 2025 | Richmond Y Jr Holden | Employee Stock Option | D | 2,500 | $21.20 | 16,500 | D | M |
| 12 Aug, 2025 | Brian Barker | Employee Stock Option | A | 2,500 | $43.40 | 19,000 | D | A |
| 12 Aug, 2025 | Paul J Conway | Employee Stock Option | A | 2,500 | $43.40 | 7,500 | D | A |
| 12 Aug, 2025 | Rex Lynn Davidson | Employee Stock Option | A | 2,500 | $43.40 | 29,000 | D | A |
| 12 Aug, 2025 | Susan H Murphy | Employee Stock Option | A | 2,500 | $43.40 | 29,000 | D | A |