As of May 04, 2026, the three largest insider holders of PDFS 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 |
| Andrzej Strojwas | Chief Technology Officer | 89,204 | 0 | 05 Jan, 2026 |
| Adnan Raza | Evp, Finance And Cfo | 71,010 | 0 | 05 Jan, 2026 |
| Marco Iansiti | - | 39,465 | 0 | 05 Jul, 2022 |
| Joseph R Bronson | - | 38,267 | 0 | 02 Jul, 2025 |
| Michael B Gustafson | - | 37,503 | 0 | 02 Jul, 2025 |
| Kimon Michaels | Evp Of Products And Solutions | 0 | 28,298 | 03 Jul, 2025 |
| Nancy Erba | - | 27,383 | 0 | 02 Jul, 2025 |
| Ye Jane Li | - | 23,943 | 0 | 02 Jul, 2025 |
| Shuo Zhang | - | 22,192 | 0 | 02 Jul, 2025 |
| Chi-Foon Chan | - | 21,479 | 0 | 02 Jul, 2025 |
| Nancy Erba | - | 0 | 13,739 | 12 Dec, 2024 |
* 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 | Common Stock | D | 5,070 | $0.00 | 1,542,072 | I | G |
| 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 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 | Kimon Michaels | Common Stock | D | 798 | $21.87 | 28,298 | I | F |
| 01 Jul, 2025 | Michael B Gustafson | Common Stock | A | 7,429 | - | 37,503 | D | A |
| 01 Jul, 2025 | Nancy Erba | Common Stock | A | 7,429 | - | 27,383 | D | A |
| 01 Jul, 2025 | Joseph R Bronson | Common Stock | A | 7,429 | - | 38,267 | D | A |
| 01 Jul, 2025 | Chi-Foon Chan | Common Stock | A | 7,429 | - | 21,479 | D | A |
| 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 |
| 13 May, 2025 | Michael B Gustafson | Common Stock | A | 7,500 | $19.45 | 30,074 | D | P |
| 24 Feb, 2025 | Michael B Gustafson | Common Stock | A | 4,000 | $23.06 | 22,574 | D | P |
| 24 Feb, 2025 | John Kachig Kibarian | Common Stock | A | 34,356 | $22.80 | 2,507,112 | I | P |
| 25 Feb, 2025 | John Kachig Kibarian | Common Stock | A | 15,644 | $22.11 | 2,522,756 | I | P |
| 01 Jan, 2025 | Andrzej Strojwas | Common Stock | D | 2,833 | - | 85,631 | D | F |
| 01 Jan, 2025 | Adnan Raza | Common Stock | D | 5,258 | - | 68,013 | D | F |