As of March 23, 2026, the three largest insider holders of ATER are Macarthur, Llc 9830 (TenPercentOwner, 4.72Mn shares), Yaniv Zion Sarig (Chief Executive Officer, 2.98Mn shares), Arturo Rodriguez (Chief Executive Officer, 1.01Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Macarthur, Llc 9830 | 0 | 4,715,401 | 15 Sep, 2021 | |
| Yaniv Zion Sarig | Chief Executive Officer | 2,982,259 | 0 | 14 Jun, 2023 |
| Arturo Rodriguez | Chief Executive Officer | 1,011,148 | 0 | 23 Jan, 2026 |
| Rueden Anton Von | Coo | 500,000 | 0 | 31 May, 2022 |
| Joshua O Feldman | Chief Financial Officer | 497,442 | 0 | 23 Jan, 2026 |
| Mihal Chaouat-Fix | Chief Supply Chain Officer | 416,773 | 0 | 16 Mar, 2023 |
| Cynthia W Williams | 396,670 | 0 | 15 Sep, 2023 | |
| Roi Zion Zahut | Chief Technology Officer | 376,358 | 0 | 13 Jun, 2025 |
| Joseph A Risico | Co Ceo | 370,119 | 0 | 30 Apr, 2024 |
| Tomer Pascal | Chief Revenue Officer | 198,321 | 0 | 23 Dec, 2021 |
| Susan E. Lattmann | 162,465 | 0 | 23 Jan, 2026 | |
| Bari A Harlam | 161,991 | 0 | 23 Jan, 2026 | |
| William Kurtz | 155,922 | 0 | 23 Jan, 2026 | |
| Phillip Lepper | Chief Commercial Officer | 150,402 | 0 | 22 May, 2025 |
| Greg Petersen | 58,355 | 0 | 04 Oct, 2021 | |
| Sarah Liebel | 51,625 | 0 | 20 Aug, 2024 | |
| Walter Amy Von | 44,418 | 0 | 04 Oct, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 23 Jan, 2026 | Arturo Rodriguez | Common Stock | A | 50,000 | $0.00 | 1,011,148 | D | A |
| 23 Jan, 2026 | Bari A Harlam | Common Stock | A | 24,731 | $0.00 | 161,991 | D | A |
| 23 Jan, 2026 | William Kurtz | Common Stock | A | 40,394 | $0.00 | 155,922 | D | A |
| 23 Jan, 2026 | Susan E. Lattmann | Common Stock | A | 25,555 | $0.00 | 162,465 | D | A |
| 23 Jan, 2026 | Joshua O Feldman | Common Stock | A | 120,000 | $0.00 | 497,442 | D | A |
| 13 Aug, 2025 | William Kurtz | Common Stock | A | 78,034 | $0.00 | 115,528 | D | A |
| 13 Aug, 2025 | Susan E. Lattmann | Common Stock | A | 78,034 | $0.00 | 136,910 | D | A |
| 13 Aug, 2025 | Bari A Harlam | Common Stock | A | 78,034 | $0.00 | 137,260 | D | A |
| 11 Jun, 2025 | Joshua O Feldman | Common Stock | A | 248,049 | $1.39 | 394,018 | D | A |
| 11 Jun, 2025 | Roi Zion Zahut | Common Stock | A | 199,438 | $1.39 | 397,238 | D | A |
| 11 Jun, 2025 | Arturo Rodriguez | Common Stock | A | 481,817 | $1.39 | 1,013,405 | D | A |
| 12 Jun, 2025 | Joshua O Feldman | Common Stock | D | 15,322 | $1.32 | 378,696 | D | S |
| 12 Jun, 2025 | Arturo Rodriguez | Common Stock | D | 46,052 | $1.32 | 967,353 | D | S |
| 12 Jun, 2025 | Roi Zion Zahut | Common Stock | D | 16,980 | $1.32 | 380,258 | D | S |
| 13 Jun, 2025 | Joshua O Feldman | Common Stock | D | 1,254 | $1.23 | 377,442 | D | S |
| 13 Jun, 2025 | Roi Zion Zahut | Common Stock | D | 3,900 | $1.23 | 376,358 | D | S |
| 13 Jun, 2025 | Arturo Rodriguez | Common Stock | D | 6,205 | $1.23 | 961,148 | D | S |
| 09 Jun, 2025 | William Kurtz | Common Stock | D | 4,722 | $1.41 | 42,494 | D | S |
| 10 Jun, 2025 | William Kurtz | Common Stock | D | 5,000 | $1.39 | 37,494 | D | S |
| 20 May, 2025 | Phillip Lepper | Common Stock | D | 27,532 | $1.65 | 150,402 | D | S |