PI's three largest insider shareholders as of September 12, 2026 are Capital Llc Sylebra (TenPercentOwner, 33.05Mn shares), Capital Ltd Sylebra (TenPercentOwner, 11.41Mn shares), Capital Ltd Sylebra (TenPercentOwner, 11.41Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Capital Ltd Sylebra | TenPercentOwner | 0 | 4,197,352 | 4,197,352 | 61.3% | 22 Nov, 2023 |
| 2 | Capital Llc Sylebra | Director | 0 | 1,908,095 | 1,908,095 | 27.9% | 10 Jun, 2026 |
| 3 | Chris Ph.D. Diorio | Chief Executive Officer | 364,421 | 0 | 364,421 | 5.3% | 21 Aug, 2026 |
| 4 | Cary Baker | Chief Financial Officer | 89,280 | 0 | 89,280 | 1.3% | 21 Aug, 2026 |
| 5 | Hussein Mecklai | Chief Operating Officer | 75,882 | 0 | 75,882 | 1.1% | 14 Apr, 2025 |
| 6 | Jeffrey Dossett | Chief Revenue Officer | 71,886 | 0 | 71,886 | 1.1% | 24 Feb, 2025 |
| 7 | Gregory Sessler | Director | 28,257 | 0 | 28,257 | 0.4% | 12 Jun, 2023 |
| 8 | Oppen Peter H Van | Director | 24,266 | 0 | 24,266 | 0.4% | 13 Jun, 2022 |
| 9 | Daniel Patrick Gibson | Director | 23,010 | 0 | 23,010 | 0.3% | 29 May, 2026 |
| 10 | Theresa Wise | Director | 14,850 | 0 | 14,850 | 0.2% | 13 Jun, 2022 |
| 11 | Steve Sanghi | Director | 13,274 | 0 | 13,274 | 0.2% | 29 May, 2026 |
| 12 | Meera Rao | Director | 11,322 | 0 | 11,322 | 0.2% | 29 May, 2026 |
| 13 | Cathal G Phelan | Chief Innovation Officer | 10,431 | 0 | 10,431 | 0.2% | 21 May, 2025 |
| 14 | Umesh Padval | Director | 6,654 | 0 | 6,654 | 0.1% | 29 May, 2026 |
| 15 | Miron Washington | Director | 5,154 | 0 | 5,154 | 0.1% | 29 May, 2026 |
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 |
|---|---|---|---|---|---|---|---|---|
| 20 Aug, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Acquired M | 3,753 | $0.00 | $0 | 365,898 | Direct |
| 20 Aug, 2026 | Cary Baker | Chief Financial Officer | Acquired M | 1,739 | $0.00 | $0 | 89,965 | Direct |
| 20 Aug, 2026 | Cary Baker | Chief Financial Officer | Disposed F | 685 | $159.73 | $109.42K | 89,280 | Direct |
| 20 Aug, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed F | 1,477 | $159.73 | $235.92K | 364,421 | Direct |
| 20 Aug, 2026 | Cary Baker | Chief Financial Officer | Disposed M | 1,739 | $0.00 | $0 | 5,219 | Direct |
| 20 Aug, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed M | 3,753 | $0.00 | $0 | 11,262 | Direct |
| 17 Aug, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed G | 10,000 | $0.00 | $0 | 362,145 | Direct |
| 10 Aug, 2026 | Cary Baker | Chief Financial Officer | Disposed S | 1,429 | $185.00 | $264.37K | 88,226 | Direct |
| 13 Jul, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed G | 10,000 | $0.00 | $0 | 372,145 | Direct |
| 23 Jun, 2026 | Cary Baker | Chief Financial Officer | Acquired M | 479 | $0.00 | $0 | 89,482 | Direct |
| 23 Jun, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Acquired M | 1,223 | $0.00 | $0 | 381,525 | Direct |
| 23 Jun, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Acquired M | 1,817 | $0.00 | $0 | 383,342 | Direct |
| 23 Jun, 2026 | Cary Baker | Chief Financial Officer | Acquired M | 597 | $0.00 | $0 | 90,079 | Direct |
| 23 Jun, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed F | 1,197 | $125.22 | $149.89K | 382,145 | Direct |
| 23 Jun, 2026 | Cary Baker | Chief Financial Officer | Disposed F | 424 | $125.22 | $53.09K | 89,655 | Direct |
| 23 Jun, 2026 | Cary Baker | Chief Financial Officer | Disposed M | 479 | $0.00 | $0 | 1,438 | Direct |
| 23 Jun, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed M | 1,223 | $0.00 | $0 | 3,672 | Direct |
| 23 Jun, 2026 | Cary Baker | Chief Financial Officer | Disposed M | 597 | $0.00 | $0 | 4,176 | Direct |
| 23 Jun, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed M | 1,817 | $0.00 | $0 | 12,721 | Direct |
| 15 Jun, 2026 | Chris Ph.D. Diorio | Chief Executive Officer | Disposed G | 10,000 | $0.00 | $0 | 380,302 | Direct |