Data spanning the past 90 days through February 02, 2026 reveals that Pdf Solutions's three principal insider shareholders consist of President And Ceo John Kachig Kibarian (2.52Mn shares), Evp Of Products And Solutions Kimon Michaels (1.54Mn shares), Chief Technology Officer Andrzej Strojwas (89.20K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| John Kachig Kibarian | President And Ceo | 2,522,756 | 25 Feb, 2025 |
| Kimon Michaels | Evp Of Products And Solutions | 1,542,072 | 11 Dec, 2025 |
| Andrzej Strojwas | Chief Technology Officer | 89,204 | 05 Jan, 2026 |
| Adnan Raza | Evp And Finance And Cfo | 71,010 | 05 Jan, 2026 |
| Nancy Erba | 41,122 | 02 Jul, 2025 | |
| Marco Iansiti | 39,465 | 05 Jul, 2022 | |
| Joseph R Bronson | 38,267 | 02 Jul, 2025 | |
| Michael B Gustafson | 37,503 | 02 Jul, 2025 | |
| Ye Jane Li | 23,943 | 02 Jul, 2025 | |
| Shuo Zhang | 22,192 | 02 Jul, 2025 | |
| Chi-Foon Chan | 21,479 | 02 Jul, 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 |
|---|---|---|---|---|---|---|---|---|
| 01 Jan, 2026 | Adnan Raza | Common Stock | D | 5,498 | $28.53 | 71,010 | D | F |
| 01 Jan, 2026 | Andrzej Strojwas | Common Stock | D | 2,762 | $28.53 | 89,204 | D | F |
| 09 Dec, 2025 | Kimon Michaels | - | - | 1,542,072 | I | |||
| 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 Jul, 2025 | Kimon Michaels | Common Stock | D | 798 | $21.87 | 28,298 | I | F |
| 01 Jul, 2025 | Joseph R Bronson | Common Stock | A | 7,429 | - | 38,267 | D | A |
| 01 Jul, 2025 | Michael B Gustafson | Common Stock | A | 7,429 | - | 37,503 | D | A |
| 01 Jul, 2025 | Michael B Gustafson | - | - | 37,503 | D | |||
| 01 Jul, 2025 | Chi-Foon Chan | Common Stock | A | 7,429 | - | 21,479 | D | A |
| 01 Jul, 2025 | Ye Jane Li | Common Stock | A | 7,429 | - | 23,943 | D | A |
| 01 Jul, 2025 | Nancy Erba | Common Stock | A | 7,429 | - | 27,383 | D | A |
| 01 Jul, 2025 | Shuo Zhang | Common Stock | A | 7,429 | - | 22,192 | 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 |
| 13 May, 2025 | Michael B Gustafson | Common Stock | A | 7,500 | $19.45 | 30,074 | D | P |
| 25 Feb, 2025 | John Kachig Kibarian | - | - | 2,522,756 | I | |||
| 25 Feb, 2025 | John Kachig Kibarian | Common Stock | A | 15,644 | $22.11 | 2,522,756 | I | P |
| 24 Feb, 2025 | John Kachig Kibarian | - | - | 2,507,112 | I |