As of May 23, 2026, Pdf Solutions's top three insider holders are John Kachig Kibarian (President And Ceo, 2.52Mn shares), Kimon Michaels (Evp Of Products And Solutions, 1.54Mn shares), Andrzej Strojwas (Chief Technology Officer, 89.20K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| John Kachig Kibarian | President And Ceo | 0 | 2,522,756 | 25 Feb, 2025 |
| Kimon Michaels | Evp Of Products And Solutions | 0 | 1,542,072 | 11 Dec, 2025 |
| Joseph R Bronson | - | 38,267 | 0 | 02 Jul, 2025 |
| Michael B Gustafson | - | 37,503 | 0 | 02 Jul, 2025 |
| Chi-Foon Chan | - | 21,479 | 0 | 02 Jul, 2025 |
| Ye Jane Li | - | 23,943 | 0 | 02 Jul, 2025 |
| Nancy Erba | - | 27,383 | 0 | 02 Jul, 2025 |
| Marco Iansiti | - | 39,465 | 0 | 05 Jul, 2022 |
| Shuo Zhang | - | 22,192 | 0 | 02 Jul, 2025 |
| Adnan Raza | Evp, Finance And Cfo | 71,010 | 0 | 05 Jan, 2026 |
| Andrzej Strojwas | Chief Technology Officer | 89,204 | 0 | 05 Jan, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 01 Jan, 2026 | Andrzej Strojwas | Common Stock | D | 2,762 | $28.53 | 89,204 | D | F |
| 01 Jan, 2026 | Andrzej Strojwas | Common Stock | D | 2,762 | $28.53 | 89,204 | D | F |
| 01 Jan, 2026 | Adnan Raza | Common Stock | D | 5,498 | $28.53 | 71,010 | D | F |
| 01 Jan, 2026 | Adnan Raza | Common Stock | D | 5,498 | $28.53 | 71,010 | D | F |
| 09 Dec, 2025 | Kimon Michaels | Common Stock | D | 5,070 | $0.00 | 1,542,072 | I | G |
| 01 Aug, 2025 | Adnan Raza | Common Stock | A | 35,000 | - | 76,508 | D | A |
| 01 Aug, 2025 | Andrzej Strojwas | Common Stock | A | 8,000 | - | 91,966 | D | A |
| 01 Aug, 2025 | Adnan Raza | Common Stock | A | 35,000 | - | 76,508 | D | A |
| 01 Aug, 2025 | Andrzej Strojwas | Common Stock | A | 8,000 | - | 91,966 | D | A |
| 01 Jul, 2025 | Adnan Raza | Common Stock | D | 4,921 | $21.87 | 63,880 | D | F |
| 01 Jul, 2025 | Andrzej Strojwas | Common Stock | D | 2,497 | $21.87 | 83,613 | D | F |
| 01 Jul, 2025 | Kimon Michaels | Common Stock | D | 798 | $21.87 | 28,298 | I | F |
| 01 Jul, 2025 | Andrzej Strojwas | Common Stock | D | 2,497 | $21.87 | 83,613 | D | F |
| 01 Jul, 2025 | Adnan Raza | Common Stock | D | 4,921 | $21.87 | 63,880 | D | F |
| 01 Jul, 2025 | Shuo Zhang | Common Stock | A | 7,429 | - | 22,192 | D | A |
| 01 Jul, 2025 | Ye Jane Li | Common Stock | A | 7,429 | - | 23,943 | D | A |
| 01 Jul, 2025 | Joseph R Bronson | Common Stock | A | 7,429 | - | 38,267 | D | A |
| 01 Jul, 2025 | Shuo Zhang | Common Stock | A | 7,429 | - | 22,192 | D | A |
| 01 Jul, 2025 | Nancy Erba | Common Stock | A | 7,429 | - | 27,383 | D | A |
| 01 Jul, 2025 | Michael B Gustafson | Common Stock | A | 7,429 | - | 37,503 | D | A |