Aterian's three largest insider shareholders as of September 29, 2026 are David E. Lazar (Chief Executive Officer, 6.74Mn shares), Arturo Rodriguez (Chief Executive Officer, 1.08Mn shares), Joshua O Feldman (Chief Financial Officer, 497.44K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | David E. Lazar | Chief Executive Officer | 6,737,500 | 0 | 6,737,500 | 66.5% | 11 Sep, 2026 |
| 2 | Arturo Rodriguez | Chief Executive Officer | 1,081,148 | 0 | 1,081,148 | 10.7% | 21 May, 2026 |
| 3 | Joshua O Feldman | Chief Financial Officer | 497,442 | 0 | 497,442 | 4.9% | 23 Jan, 2026 |
| 4 | Roi Zion Zahut | Chief Technology Officer | 376,358 | 0 | 376,358 | 3.7% | 13 Jun, 2025 |
| 5 | Joseph A Risico | Co Ceo | 370,119 | 0 | 370,119 | 3.7% | 30 Apr, 2024 |
| 6 | Yaniv Zion Sarig | Chief Executive Officer | 248,512 | 0 | 248,512 | 2.5% | 14 Jun, 2023 |
| 7 | Susan E. Lattmann | Director | 162,465 | 0 | 162,465 | 1.6% | 23 Jan, 2026 |
| 8 | Bari A Harlam | Director | 161,991 | 0 | 161,991 | 1.6% | 23 Jan, 2026 |
| 9 | William Kurtz | Director | 155,922 | 0 | 155,922 | 1.5% | 23 Jan, 2026 |
| 10 | Phillip Lepper | Chief Commercial Officer | 150,402 | 0 | 150,402 | 1.5% | 22 May, 2025 |
| 11 | Sarah Liebel | Director | 51,625 | 0 | 51,625 | 0.5% | 20 Aug, 2024 |
| 12 | Rueden Anton Von | Coo | 41,665 | 0 | 41,665 | 0.4% | 31 May, 2022 |
| 13 | Mihal Chaouat-Fix | Chief Supply Chain Officer | 34,730 | 0 | 34,730 | 0.3% | 16 Mar, 2023 |
| 14 | Cynthia W Williams | Director | 33,055 | 0 | 33,055 | 0.3% | 15 Sep, 2023 |
| 15 | Tomer Pascal | Chief Revenue Officer | 16,526 | 0 | 16,526 | 0.2% | 23 Dec, 2021 |
| 16 | Greg Petersen | Director | 4,863 | 0 | 4,863 | 0.0% | 04 Oct, 2021 |
| 17 | Walter Amy Von | Director | 3,701 | 0 | 3,701 | 0.0% | 04 Oct, 2021 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 04 Aug, 2026 | David E. Lazar | Chief Executive Officer | Acquired C | 875,000 | $2.00 | $1.75Mn | 6,737,500 | Direct |
| 17 Jul, 2026 | David E. Lazar | Chief Executive Officer | Acquired A | 1,750,000 | $2.00 | $3.50Mn | 1,750,000 | Direct |
| 04 Aug, 2026 | David E. Lazar | Chief Executive Officer | Disposed C | 875,000 | $0.00 | $0 | 6,737,500 | Direct |
| 21 May, 2026 | Arturo Rodriguez | Chief Executive Officer | Acquired A | 70,000 | $0.00 | $0 | 1,081,148 | Direct |
| 27 Apr, 2026 | David E. Lazar | Director | Acquired A | 1,750,000 | — | — | 1,750,000 | Direct |
| 23 Jan, 2026 | Joshua O Feldman | Chief Financial Officer | Acquired A | 120,000 | $0.00 | $0 | 497,442 | Direct |
| 23 Jan, 2026 | Arturo Rodriguez | Chief Executive Officer | Acquired A | 50,000 | $0.00 | $0 | 1,011,148 | Direct |
| 23 Jan, 2026 | William Kurtz | Director | Acquired A | 40,394 | $0.00 | $0 | 155,922 | Direct |
| 23 Jan, 2026 | Susan E. Lattmann | Director | Acquired A | 25,555 | $0.00 | $0 | 162,465 | Direct |
| 23 Jan, 2026 | Bari A Harlam | Director | Acquired A | 24,731 | $0.00 | $0 | 161,991 | Direct |
| 13 Aug, 2025 | William Kurtz | Director | Acquired A | 78,034 | $0.00 | $0 | 115,528 | Direct |
| 13 Aug, 2025 | Bari A Harlam | Director | Acquired A | 78,034 | $0.00 | $0 | 137,260 | Direct |
| 13 Aug, 2025 | Susan E. Lattmann | Director | Acquired A | 78,034 | $0.00 | $0 | 136,910 | Direct |
| 11 Jun, 2025 | Roi Zion Zahut | Chief Technology Officer | Acquired A | 199,438 | $1.39 | $277.22K | 397,238 | Direct |
| 11 Jun, 2025 | Joshua O Feldman | Chief Financial Officer | Acquired A | 248,049 | $1.39 | $344.79K | 394,018 | Direct |
| 11 Jun, 2025 | Arturo Rodriguez | Chief Executive Officer | Acquired A | 481,817 | $1.39 | $669.73K | 1,013,405 | Direct |
| 12 Jun, 2025 | Joshua O Feldman | Chief Financial Officer | Disposed S | 15,322 | $1.32 | $20.23K | 378,696 | Direct |
| 12 Jun, 2025 | Roi Zion Zahut | Chief Technology Officer | Disposed S | 16,980 | $1.32 | $22.41K | 380,258 | Direct |
| 12 Jun, 2025 | Arturo Rodriguez | Chief Executive Officer | Disposed S | 46,052 | $1.32 | $60.79K | 967,353 | Direct |
| 13 Jun, 2025 | Arturo Rodriguez | Chief Executive Officer | Disposed S | 6,205 | $1.23 | $7.63K | 961,148 | Direct |