PRPO's three largest insider shareholders as of August 27, 2026 are Richard A Sandberg (Director, 75.35K shares), Ilan Danieli (Chief Executive Officer, 57.05K shares), David Seth Cohen (Director, 54.68K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | David Seth Cohen | Director | 55,199 | 0 | 55,199 | 50.1% | 16 Jul, 2026 |
| 2 | Jeffrey Cossman | Director | 16,549 | 0 | 16,549 | 15.0% | 16 Jul, 2026 |
| 3 | Ronald Asbury Andrews | Director | 15,708 | 0 | 15,708 | 14.3% | 16 Oct, 2025 |
| 4 | Kathleen Laporte | Director | 7,382 | 0 | 7,382 | 6.7% | 20 Jan, 2026 |
| 5 | Christina Rizopoulos Valauri | Director | 5,628 | 0 | 5,628 | 5.1% | 16 Jul, 2026 |
| 6 | Douglas Carl Fisher | Director | 5,572 | 0 | 5,572 | 5.1% | 31 Oct, 2023 |
| 7 | Richard A Sandberg | Director | 0 | 3,000 | 3,000 | 2.7% | 26 May, 2026 |
| 8 | Ahmed Zaki Sabet | Chief Operating Officer | 1,034 | 0 | 1,034 | 0.9% | 10 Apr, 2026 |
| 9 | Ilan Danieli | Chief Executive Officer | 1 | 0 | 1 | 0.0% | 03 Jan, 2023 |
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 |
|---|---|---|---|---|---|---|---|---|
| 15 Jul, 2026 | Christina Rizopoulos Valauri | Director | Acquired A | 108 | $25.24 | $2.73K | 5,628 | Direct |
| 15 Jul, 2026 | Jeffrey Cossman | Director | Acquired A | 416 | $25.24 | $10.50K | 16,549 | Direct |
| 15 Jul, 2026 | David Seth Cohen | Director | Acquired A | 520 | $25.24 | $13.12K | 55,199 | Direct |
| 21 May, 2026 | Richard A Sandberg | Director | Disposed S | 900 | $25.02 | $22.52K | 3,000 | Indirect |
| 19 May, 2026 | Richard A Sandberg | Director | Disposed S | 600 | $24.42 | $14.65K | 4,400 | Indirect |
| 20 May, 2026 | Richard A Sandberg | Director | Disposed S | 500 | $25.00 | $12.50K | 3,900 | Indirect |
| 20 May, 2026 | Richard A Sandberg | Director | Disposed S | 2,034 | $24.89 | $50.63K | 8,142 | Direct |
| 15 Apr, 2026 | Jeffrey Cossman | Director | Acquired A | 365 | $29.49 | $10.76K | 16,133 | Direct |
| 15 Apr, 2026 | Christina Rizopoulos Valauri | Director | Acquired A | 93 | $29.49 | $2.74K | 5,520 | Direct |
| 15 Apr, 2026 | David Seth Cohen | Director | Acquired A | 445 | $29.49 | $13.12K | 54,679 | Direct |
| 01 Apr, 2026 | Ahmed Zaki Sabet | Chief Operating Officer | Acquired P | 19 | $27.93 | $531 | 1,034 | Direct |
| 01 Apr, 2026 | Ahmed Zaki Sabet | Chief Operating Officer | Acquired P | 19 | $27.93 | $531 | 1,034 | Direct |
| 01 Apr, 2026 | Ahmed Zaki Sabet | Chief Operating Officer | Acquired P | 19 | $27.93 | $531 | 1,034 | Direct |
| 01 Apr, 2026 | Ahmed Zaki Sabet | Chief Operating Officer | Acquired P | 19 | $27.93 | $531 | 1,034 | Direct |
| 02 Jan, 2026 | Ahmed Zaki Sabet | Chief Operating Officer | Acquired P | 20 | $23.40 | $468 | 1,015 | Direct |
| 02 Jan, 2026 | Ahmed Zaki Sabet | Chief Operating Officer | Acquired P | 20 | $23.40 | $468 | 1,015 | Direct |
| 15 Jan, 2026 | David Seth Cohen | Director | Acquired A | 546 | $24.00 | $13.10K | 54,234 | Direct |
| 02 Jan, 2026 | Ahmed Zaki Sabet | Chief Operating Officer | Acquired P | 20 | $23.40 | $468 | 1,015 | Direct |
| 02 Jan, 2026 | Ahmed Zaki Sabet | Chief Operating Officer | Acquired P | 20 | $23.40 | $468 | 1,015 | Direct |
| 15 Jan, 2026 | Jeffrey Cossman | Director | Acquired A | 437 | $24.00 | $10.49K | 15,777 | Direct |