PRPO Insider Transactions
260 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
PRPO insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|
| SANDBERG RICHARD A | Director | 2026-05-21 | Sale | 900.0 | $25.02 |
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| SANDBERG RICHARD A | Director | 2026-05-20 | Sale | 2,034.0 | $24.89 |
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| SANDBERG RICHARD A | Director | 2026-05-20 | Sale | 500.0 | $25.0 |
|---|
| SANDBERG RICHARD A | Director | 2026-05-19 | Sale | 600.0 | $24.42 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2026-04-01 | Purchase | 19.0 | $27.93 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2026-01-02 | Purchase | 20.0 | $23.4 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2026-01-02 | Purchase | 20.0 | $23.4 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2025-10-01 | Purchase | 25.0 | $19.5 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2025-10-01 | Purchase | 25.0 | $19.5 |
|---|
| LAPORTE KATHLEEN | Director | 2025-09-08 | Sale | 6,152.0 | $20.06 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2025-07-08 | Purchase | 31.0 | $16.3 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2025-07-08 | Purchase | 31.0 | $16.3 |
|---|
| SANDBERG RICHARD A | Director | 2025-05-30 | Purchase | 1,391.0 | $10.0 |
|---|
| SANDBERG RICHARD A | Director | 2025-05-30 | Purchase | 8.0 | $9.44 |
|---|
| SANDBERG RICHARD A | Director | 2025-05-27 | Purchase | 101.0 | $9.8 |
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| SANDBERG RICHARD A | Director | 2025-05-22 | Purchase | 500.0 | $9.33 |
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| SANDBERG RICHARD A | Director | 2025-05-21 | Purchase | 3,000.0 | $9.3 |
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| SANDBERG RICHARD A | Director | 2025-05-21 | Purchase | 5,035.0 | $9.25 |
|---|
| SANDBERG RICHARD A | Director | 2025-05-20 | Purchase | 4,251.0 | $8.47 |
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| SANDBERG RICHARD A | Director | 2025-05-20 | Purchase | 4,251.0 | $8.47 |
|---|
| SANDBERG RICHARD A | Director | 2025-05-19 | Purchase | 714.0 | $8.21 |
|---|
| SANDBERG RICHARD A | Director | 2025-05-19 | Purchase | 714.0 | $8.21 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2025-04-02 | Purchase | 79.0 | $6.0 |
|---|
| SANDBERG RICHARD A | Director | 2024-12-13 | Purchase | 15,000.0 | $6.1 |
|---|
| SANDBERG RICHARD A | Director | 2024-12-13 | Sale | 12,000.0 | $5.88 |
|---|
| SANDBERG RICHARD A | Director | 2024-12-13 | Purchase | 15,000.0 | $5.8 |
|---|
| SANDBERG RICHARD A | Director | 2024-12-13 | Sale | 12,000.0 | $6.2 |
|---|
| SANDBERG RICHARD A | Director | 2024-11-11 | Sale | 2,000.0 | $6.03 |
|---|
| SANDBERG RICHARD A | Director | 2024-11-11 | Sale | 2,000.0 | $6.28 |
|---|
| SANDBERG RICHARD A | Director | 2023-01-20 | Purchase | 20,000.0 | $0.78 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2023-01-03 | Purchase | 750.0 | $0.6 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2023-01-03 | Purchase | 16,500.0 | $0.6 |
|---|
| SANDBERG RICHARD A | Director | 2022-12-20 | Purchase | 20,000.0 | $0.55 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2022-10-03 | Purchase | 500.0 | $0.87 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2022-10-03 | Purchase | 11,000.0 | $0.87 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2022-03-01 | Purchase | 327.0 | $1.54 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2022-03-01 | Purchase | 3,268.0 | $1.55 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2021-12-01 | Purchase | 258.0 | $1.89 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2021-12-01 | Purchase | 2,577.0 | $1.89 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2021-09-07 | Purchase | 1,484.0 | $3.36 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2021-09-07 | Purchase | 149.0 | $3.36 |
|---|
| Cohen David Seth | Director | 2021-06-10 | Sale | 69,962.0 | $3.99 |
|---|
| Cohen David Seth | Director | 2021-06-10 | Sale | 69,962.0 | $3.99 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2021-06-01 | Purchase | 151.0 | $3.37 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2021-06-01 | Purchase | 755.0 | $3.37 |
|---|
| Cohen David Seth | Director | 2021-05-27 | Sale | 40,178.0 | $3.99 |
|---|
| Cohen David Seth | Director | 2021-05-27 | Sale | 40,178.0 | $3.99 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2021-03-01 | Purchase | 1,025.0 | $2.46 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2020-12-01 | Purchase | 1,111.0 | $2.23 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2020-12-01 | Purchase | 222.0 | $2.23 |
|---|
| Sabet Ahmed Zaki | Chief Operating Officer | 2020-09-01 | Purchase | 130.0 | $2.16 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2020-09-01 | Purchase | 1,150.0 | $2.15 |
|---|
| Sabet Ahmed Zaki | Chief Operations Officer | 2020-07-07 | Purchase | 169.0 | $1.6 |
|---|
| Sabet Ahmed Zaki | Chief Operations Officer | 2020-07-07 | Purchase | 281.0 | $0.96 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2020-07-06 | Purchase | 2,585.0 | $0.96 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2020-07-06 | Purchase | 1,550.0 | $1.6 |
|---|
| Sabet Ahmed Zaki | Chief Operations Officer | 2019-12-02 | Purchase | 127.0 | $2.11 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2019-12-02 | Purchase | 1,176.0 | $2.09 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2019-09-03 | Purchase | 965.0 | $2.58 |
|---|
| DANIELI ILAN | Chief Executive Officer | 2019-06-07 | Purchase | 586.0 | $4.22 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2018-08-28 | Sale | 500.0 | $0.41 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2018-08-28 | Sale | 4,920.0 | $0.41 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2018-08-28 | Sale | 9,340.0 | $0.41 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2018-08-28 | Sale | 9,840.0 | $0.41 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2017-06-08 | Sale | 108,000.0 | $1.0 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2017-06-08 | Sale | 395,000.0 | $1.0 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2017-06-08 | Sale | 682,000.0 | $1.0 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2017-06-08 | Sale | 790,000.0 | $1.0 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2016-01-06 | Purchase | 317,294.0 | $1.0 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2016-01-06 | Purchase | 894,965.0 | $1.0 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2016-01-06 | Purchase | 1,472,636.0 | $1.0 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2016-01-06 | Purchase | 1,789,930.0 | $1.0 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2014-05-22 | Sale | 413,050.0 | $3.7 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2013-10-02 | Purchase | 9,000.0 | $0.39 |
|---|
| KIRK RANDAL J | TenPercentOwner | 2013-01-25 | Purchase | 1,200,000.0 | — |
|---|
| KIRK RANDAL J | TenPercentOwner | 2013-01-25 | Purchase | 2,400,000.0 | — |
|---|
| KIRK RANDAL J | TenPercentOwner | 2013-01-25 | Purchase | 2,400,000.0 | — |
|---|
| RICHARDS CHAD M | Chief Commercial Officer | 2012-06-15 | Purchase | 14,750.0 | $0.79 |
|---|
| Patzig Robert | Director | 2012-02-03 | Purchase | 25,000.0 | — |
|---|
| Koppler Doit II | Director | 2012-02-03 | Purchase | 35,000.0 | — |
|---|
| Kopp LeRoy C | TenPercentOwner | 2012-01-06 | Sale | 25,000.0 | $1.24 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2011-06-22 | Purchase | 5,000.0 | $1.55 |
|---|
| Koppler Doit II | Director | 2011-06-16 | Purchase | 15,000.0 | $1.53 |
|---|
| Patzig Robert | Director | 2011-06-15 | Purchase | 15,000.0 | $1.55 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2009-04-07 | Purchase | 50,000.0 | $0.51 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2009-04-06 | Purchase | 10,000.0 | $0.48 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2009-04-03 | Purchase | 40,000.0 | $0.46 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2009-04-02 | Purchase | 15,000.0 | $0.35 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2009-03-31 | Purchase | 600.0 | $0.32 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2009-03-27 | Purchase | 39,000.0 | $0.32 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2009-02-25 | Purchase | 250,000.0 | $0.32 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2009-02-24 | Purchase | 150,000.0 | $0.3 |
|---|
| DUMAN GREGORY J | Director | 2008-12-15 | Sale | 25,000.0 | $0.46 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2008-12-09 | Purchase | 50,000.0 | $0.54 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2008-12-08 | Purchase | 50,000.0 | $0.56 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2008-11-28 | Purchase | 30,000.0 | $0.31 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2008-09-30 | Purchase | 25,000.0 | $0.6 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2008-09-29 | Purchase | 25,000.0 | $0.64 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2008-09-26 | Purchase | 25,000.0 | $0.63 |
|---|
| Kopp LeRoy C | TenPercentOwner | 2008-05-30 | Purchase | 30,000.0 | $0.87 |
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