PTN Insider Transactions
193 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.
PTN insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| WILLS STEPHEN T | Executive VP and CFO/COO | 2025-12-24 | Sale | 565.0 | $16.74 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2025-06-13 | Purchase | 1,500.0 | $150,000.0 |
| SPANA CARL | President and CEO | 2025-06-13 | Purchase | 1,500.0 | $150,000.0 |
| DUNTON ALAN W | Director | 2025-06-13 | Purchase | 200.0 | $20,000.0 |
| DEVEER ROBERT K JR | Director | 2025-05-07 | Purchase | 100,000.0 | $0.1 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2024-08-01 | Sale | 2,500.0 | $1.65 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2024-08-01 | Sale | 2,499.0 | $1.66 |
| DEVEER ROBERT K JR | Director | 2024-04-11 | Purchase | 6,000.0 | $2.12 |
| DEVEER ROBERT K JR | Director | 2024-03-06 | Sale | 155.0 | $2.03 |
| DEVEER ROBERT K JR | Director | 2024-03-06 | Sale | 460.0 | $2.02 |
| DEVEER ROBERT K JR | Director | 2024-03-06 | Sale | 106.0 | $2.01 |
| DEVEER ROBERT K JR | Director | 2024-03-06 | Sale | 1,808.0 | $2.01 |
| DEVEER ROBERT K JR | Director | 2024-03-06 | Sale | 200.0 | $2.0 |
| DEVEER ROBERT K JR | Director | 2024-03-06 | Sale | 7,286.0 | $2.0 |
| DEVEER ROBERT K JR | Director | 2024-03-06 | Sale | 1,685.0 | $2.0 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2023-12-06 | Sale | 2,191.0 | $2.64 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2023-12-06 | Sale | 2,807.0 | $2.42 |
| DUNTON ALAN W | Director | 2023-12-04 | Sale | 1.0 | $2.46 |
| DUNTON ALAN W | Director | 2023-12-04 | Sale | 199.0 | $2.48 |
| SPANA CARL | President and CEO | 2022-12-27 | Purchase | 5,000.0 | $2.23 |
| SPANA CARL | President and CEO | 2022-12-27 | Purchase | 5,000.0 | $2.23 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2022-12-27 | Purchase | 3,260.0 | $2.25 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2022-12-27 | Purchase | 100.0 | $2.22 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2022-12-27 | Purchase | 4,000.0 | $2.22 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2022-12-27 | Purchase | 2,640.0 | $2.2 |
| DUNTON ALAN W | Director | 2022-12-21 | Sale | 200.0 | $2.97 |
| Morris Arlene | Director | 2021-07-01 | Purchase | 33,000.0 | $0.62 |
| Hull Joseph Stanley | Director | 2021-07-01 | Purchase | 10,000.0 | $0.61 |
| DUNTON ALAN W | Director | 2021-06-30 | Purchase | 10,000.0 | $0.62 |
| DUNTON ALAN W | Director | 2021-06-30 | Purchase | 10,000.0 | $0.62 |
| SPANA CARL | President and CEO | 2021-06-30 | Purchase | 10,600.0 | $0.61 |
| SPANA CARL | President and CEO | 2021-06-30 | Purchase | 64,400.0 | $0.62 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2021-06-30 | Purchase | 50,000.0 | $0.62 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2021-06-30 | Purchase | 23,757.0 | $0.61 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2021-06-30 | Purchase | 1,243.0 | $0.6 |
| DEVEER ROBERT K JR | Director | 2020-11-18 | Purchase | 54,000.0 | $0.41 |
| DEVEER ROBERT K JR | Director | 2020-09-29 | Sale | 54,000.0 | $0.46 |
| Hull Joseph Stanley | Director | 2019-08-05 | Purchase | 800.0 | $0.78 |
| SPANA CARL | President and CEO | 2019-08-02 | Purchase | 20,000.0 | $0.86 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2019-08-01 | Purchase | 50,000.0 | $0.87 |
| DEVEER ROBERT K JR | Director | 2019-08-01 | Purchase | 22,580.0 | $0.86 |
| SPANA CARL | President and CEO | 2019-08-01 | Purchase | 20,000.0 | $0.86 |
| SPANA CARL | President and CEO | 2019-08-01 | Purchase | 10,000.0 | $0.86 |
| Morris Arlene | Director | 2018-11-20 | Purchase | 100.0 | $0.69 |
| Morris Arlene | Director | 2018-11-20 | Purchase | 2,100.0 | $0.69 |
| Morris Arlene | Director | 2018-11-20 | Purchase | 100.0 | $0.69 |
| Morris Arlene | Director | 2018-11-20 | Purchase | 100.0 | $0.69 |
| Morris Arlene | Director | 2018-11-20 | Purchase | 9,600.0 | $0.69 |
| SPANA CARL | President and CEO | 2018-11-16 | Purchase | 20,000.0 | $0.79 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2018-11-16 | Purchase | 15,000.0 | $0.77 |
| WILLS STEPHEN T | Executive VP and CFO/COO | 2018-11-16 | Purchase | 5,000.0 | $0.76 |
| DUNTON ALAN W | Director | 2018-11-16 | Purchase | 1,000.0 | $0.8 |
| DUNTON ALAN W | Director | 2018-11-16 | Purchase | 4,000.0 | $0.77 |
| DUNTON ALAN W | Director | 2018-11-16 | Purchase | 5,000.0 | $0.78 |
| DUNTON ALAN W | Director | 2018-11-15 | Purchase | 332.0 | $0.8 |
| Hull Joseph Stanley | Director | 2015-12-04 | Purchase | 2,500.0 | $0.66 |
| Hull Joseph Stanley | Director | 2015-11-19 | Purchase | 2,000.0 | $0.65 |
| DEVEER ROBERT K JR | Director | 2015-10-02 | Purchase | 10,000.0 | $0.82 |
| BIOTECHNOLOGY VALUE FUND L P | Other | 2014-02-27 | Sale | 200,827.0 | $1.09 |
| BVF PARTNERS L P/IL | TenPercentOwner | 2014-02-27 | Sale | 200,827.0 | $1.09 |
| BVF INC/IL | TenPercentOwner | 2014-02-27 | Sale | 200,827.0 | $1.09 |
| BIOTECHNOLOGY VALUE FUND II LP | Other | 2014-02-27 | Sale | 200,827.0 | $1.09 |
| BVF INVESTMENTS LLC | Other | 2014-02-27 | Sale | 200,827.0 | $1.09 |
| LAMPERT MARK N | TenPercentOwner | 2014-02-27 | Sale | 200,827.0 | $1.09 |
| BIOTECHNOLOGY VALUE FUND L P | Other | 2014-02-27 | Sale | 33,610.0 | $1.09 |
| BVF PARTNERS L P/IL | TenPercentOwner | 2014-02-27 | Sale | 33,610.0 | $1.09 |
| BVF INC/IL | TenPercentOwner | 2014-02-27 | Sale | 33,610.0 | $1.09 |
| BIOTECHNOLOGY VALUE FUND II LP | Other | 2014-02-27 | Sale | 33,610.0 | $1.09 |
| BVF INVESTMENTS LLC | Other | 2014-02-27 | Sale | 33,610.0 | $1.09 |
| LAMPERT MARK N | TenPercentOwner | 2014-02-27 | Sale | 33,610.0 | $1.09 |
| BIOTECHNOLOGY VALUE FUND L P | Other | 2014-02-27 | Sale | 59,388.0 | $1.09 |
| BVF PARTNERS L P/IL | TenPercentOwner | 2014-02-27 | Sale | 59,388.0 | $1.09 |
| BVF INC/IL | TenPercentOwner | 2014-02-27 | Sale | 59,388.0 | $1.09 |
| BIOTECHNOLOGY VALUE FUND II LP | Other | 2014-02-27 | Sale | 59,388.0 | $1.09 |
| BVF INVESTMENTS LLC | Other | 2014-02-27 | Sale | 59,388.0 | $1.09 |
| LAMPERT MARK N | TenPercentOwner | 2014-02-27 | Sale | 59,388.0 | $1.09 |
| BIOTECHNOLOGY VALUE FUND L P | Other | 2014-02-26 | Sale | 33,236.0 | $1.11 |
| BVF PARTNERS L P/IL | TenPercentOwner | 2014-02-26 | Sale | 33,236.0 | $1.11 |
| BVF INC/IL | TenPercentOwner | 2014-02-26 | Sale | 33,236.0 | $1.11 |
| BIOTECHNOLOGY VALUE FUND II LP | Other | 2014-02-26 | Sale | 33,236.0 | $1.11 |
| BVF INVESTMENTS LLC | Other | 2014-02-26 | Sale | 33,236.0 | $1.11 |
| LAMPERT MARK N | TenPercentOwner | 2014-02-26 | Sale | 33,236.0 | $1.11 |
| BIOTECHNOLOGY VALUE FUND L P | Other | 2014-02-26 | Sale | 4,416.0 | $1.11 |
| BVF PARTNERS L P/IL | TenPercentOwner | 2014-02-26 | Sale | 4,416.0 | $1.11 |
| BVF INC/IL | TenPercentOwner | 2014-02-26 | Sale | 4,416.0 | $1.11 |
| BIOTECHNOLOGY VALUE FUND II LP | Other | 2014-02-26 | Sale | 4,416.0 | $1.11 |
| BVF INVESTMENTS LLC | Other | 2014-02-26 | Sale | 4,416.0 | $1.11 |
| LAMPERT MARK N | TenPercentOwner | 2014-02-26 | Sale | 4,416.0 | $1.11 |
| BIOTECHNOLOGY VALUE FUND L P | Other | 2014-02-26 | Sale | 7,745.0 | $1.11 |
| BVF PARTNERS L P/IL | TenPercentOwner | 2014-02-26 | Sale | 7,745.0 | $1.11 |
| BVF INC/IL | TenPercentOwner | 2014-02-26 | Sale | 7,745.0 | $1.11 |
| BIOTECHNOLOGY VALUE FUND II LP | Other | 2014-02-26 | Sale | 7,745.0 | $1.11 |
| BVF INVESTMENTS LLC | Other | 2014-02-26 | Sale | 7,745.0 | $1.11 |
| LAMPERT MARK N | TenPercentOwner | 2014-02-26 | Sale | 7,745.0 | $1.11 |
| BIOTECHNOLOGY VALUE FUND L P | Other | 2014-02-25 | Sale | 151,535.0 | $1.12 |
| BVF PARTNERS L P/IL | TenPercentOwner | 2014-02-25 | Sale | 151,535.0 | $1.12 |
| BVF INC/IL | TenPercentOwner | 2014-02-25 | Sale | 151,535.0 | $1.12 |
| BIOTECHNOLOGY VALUE FUND II LP | Other | 2014-02-25 | Sale | 151,535.0 | $1.12 |
| BVF INVESTMENTS LLC | Other | 2014-02-25 | Sale | 151,535.0 | $1.12 |
| LAMPERT MARK N | TenPercentOwner | 2014-02-25 | Sale | 151,535.0 | $1.12 |