SEC CIK 1524823
Cooke Shane
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| ALKSview stock → | 106,679 | 2026-05-21 |
| PRTAview stock → | 5,000 | 2023-01-10 |
Position History — PRTA
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — PRTA
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-05-15 | Grant / award (derivative) | 27,000 | $0.00 | 27,000 |
| 2025-05-14 | Grant / award (derivative) | 20,183 | $0.00 | 20,183 |
| 2024-05-15 | Grant / award (derivative) | 15,000 | $0.00 | 15,000 |
| 2023-05-17 | Grant / award (derivative) | 15,000 | $0.00 | 15,000 |
| 2023-01-10 | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2023-01-10 | Option exercise | 5,000 | $6.41 | 5,000 |
| 2023-01-10 | Open-market sale | 5,000 | $52.92 | 0 |
| 2022-12-12 | Option exercise (derivative) | 5,000 | $0.00 | 5,000 |
| 2022-12-12 | Option exercise | 5,000 | $6.41 | 5,000 |
| 2022-12-12 | Open-market sale | 332 | $58.93 | 4,668 |
| 2022-12-12 | Open-market sale | 3,887 | $61.41 | 0 |
| 2022-12-12 | Open-market sale | 781 | $60.08 | 3,887 |
| 2022-11-10 | Option exercise (derivative) | 5,000 | $0.00 | 10,000 |
| 2022-11-10 | Option exercise | 5,000 | $6.41 | 5,000 |
| 2022-11-10 | Open-market sale | 875 | $56.85 | 0 |
| 2022-11-10 | Open-market sale | 3,870 | $56.14 | 875 |
| 2022-11-10 | Open-market sale | 255 | $54.20 | 4,745 |
| 2022-10-10 | Option exercise (derivative) | 5,000 | $0.00 | 15,000 |
| 2022-10-10 | Option exercise | 5,000 | $6.41 | 5,000 |
| 2022-10-10 | Open-market sale | 2,324 | $55.37 | 2,676 |
| 2022-10-10 | Open-market sale | 2,676 | $56.38 | 0 |
| 2022-09-28 | Option exercise (derivative) | 10,000 | $0.00 | 20,000 |
| 2022-09-28 | Open-market sale | 10,000 | $48.09 | 0 |
| 2022-09-28 | Option exercise | 10,000 | $6.41 | 10,000 |
| 2022-07-20 | Option exercise (derivative) | 15,000 | $0.00 | 30,000 |
| 2022-07-20 | Open-market sale | 15,000 | $32.90 | 0 |
| 2022-07-20 | Option exercise | 15,000 | $6.41 | 15,000 |
| 2022-05-18 | Grant / award (derivative) | 15,000 | $0.00 | 15,000 |
| 2022-04-11 | Option exercise (derivative) | 5,000 | $0.00 | 45,000 |
| 2022-04-11 | Open-market sale | 514 | $36.60 | 0 |
| 2022-04-11 | Option exercise | 5,000 | $6.41 | 5,000 |
| 2022-04-11 | Open-market sale | 3,002 | $34.48 | 1,998 |
| 2022-04-11 | Open-market sale | 1,484 | $35.76 | 514 |
| 2021-05-19 | Grant / award (derivative) | 15,000 | $0.00 | 15,000 |
| 2021-02-12 | Grant / award (derivative) | 6,315 | — | 6,315 |
| 2021-02-12 | Grant / award (derivative) | 8,426 | — | 8,426 |
| 2021-02-12 | Grant / award (derivative) | 9,803 | — | 9,803 |
| 2021-02-12 | Disposition to issuer (derivative) | 15,000 | — | 0 |
| 2020-05-20 | Grant / award (derivative) | 17,500 | $0.00 | 17,500 |
| 2019-05-22 | Grant / award (derivative) | 17,500 | $0.00 | 17,500 |
| 2018-05-16 | Grant / award (derivative) | 12,000 | $0.00 | 12,000 |
| 2017-05-18 | Grant / award (derivative) | 12,000 | $0.00 | 12,000 |
| 2016-05-20 | Grant / award (derivative) | 15,000 | $0.00 | 15,000 |
| 2015-05-22 | Grant / award (derivative) | 15,000 | $0.00 | 15,000 |
| 2013-01-29 | Grant / award (derivative) | 50,000 | $0.00 | 50,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.