SEC CIK 1235945
WIERENGA WENDALL D
Reported ownership across 3 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| CRNXview stock → | 116,146 | 2025-06-11 |
| CYTKview stock → | 32,345 | 2025-07-15 |
| NBIXview stock → | 0 | 2003-09-01 |
Position History — CYTK
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — CYTK
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2025-07-15 | Grant / award | 164 | $38.01 | 32,345 |
| 2025-05-14 | Grant / award (derivative) | 10,880 | $0.00 | 10,880 |
| 2025-05-14 | Grant / award | 7,333 | $0.00 | 32,181 |
| 2025-04-21 | Option exercise (derivative) | 20,000 | $0.00 | 0 |
| 2025-04-21 | Option exercise | 20,000 | $6.21 | 44,848 |
| 2025-04-21 | Open-market sale | 20,000 | $38.46 | 24,848 |
| 2025-04-15 | Grant / award | 162 | $38.56 | 24,848 |
| 2025-01-02 | Grant / award | 127 | $48.93 | 24,686 |
| 2024-12-16 | Option exercise (derivative) | 742 | $0.00 | 0 |
| 2024-12-16 | Option exercise | 742 | $7.37 | 25,301 |
| 2024-12-16 | Open-market sale | 742 | $48.61 | 24,559 |
| 2024-11-25 | Option exercise (derivative) | 742 | $0.00 | 742 |
| 2024-11-25 | Open-market sale | 742 | $50.00 | 24,559 |
| 2024-11-25 | Option exercise | 742 | $7.37 | 25,301 |
| 2024-10-28 | Option exercise (derivative) | 4,452 | $0.00 | 1,484 |
| 2024-10-28 | Open-market sale | 4,452 | $52.25 | 24,559 |
| 2024-10-28 | Option exercise | 4,452 | $7.37 | 29,011 |
| 2024-10-01 | Grant / award | 118 | $52.60 | 24,559 |
| 2024-07-01 | Grant / award | 114 | $0.00 | 24,441 |
| 2024-05-15 | Grant / award (derivative) | 3,636 | $0.00 | 3,636 |
| 2024-05-15 | Grant / award | 5,600 | $0.00 | 24,327 |
| 2024-01-02 | Grant / award | 74 | $84.12 | 18,727 |
| 2023-12-27 | Option exercise (derivative) | 5,000 | $0.00 | 5,000 |
| 2023-12-27 | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2023-12-27 | Option exercise | 5,000 | $4.44 | 23,653 |
| 2023-12-27 | Open-market sale | 5,000 | $73.60 | 18,653 |
| 2023-10-02 | Grant / award | 448 | $27.88 | 18,653 |
| 2023-08-21 | Option exercise (derivative) | 6,020 | $0.00 | 0 |
| 2023-08-21 | Option exercise | 6,020 | $6.72 | 24,225 |
| 2023-08-21 | Open-market sale | 6,020 | $32.02 | 18,205 |
| 2023-07-03 | Grant / award | 374 | $33.36 | 18,205 |
| 2023-05-10 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2023-05-10 | Grant / award | 5,000 | $0.00 | 17,831 |
| 2023-04-03 | Grant / award | 298 | $37.71 | 12,831 |
| 2023-02-06 | Option exercise (derivative) | 7,000 | $0.00 | 6,020 |
| 2023-02-06 | Open-market sale | 7,000 | $45.00 | 12,533 |
| 2023-02-06 | Option exercise | 7,000 | $6.72 | 19,533 |
| 2023-01-03 | Grant / award | 253 | $44.35 | 12,533 |
| 2022-10-03 | Grant / award | 110 | $51.11 | 12,280 |
| 2022-09-01 | Option exercise (derivative) | 4,166 | $0.00 | 0 |
| 2022-09-01 | Option exercise | 4,166 | $6.78 | 16,336 |
| 2022-09-01 | Open-market sale | 4,166 | $52.79 | 12,170 |
| 2022-07-01 | Grant / award | 137 | $41.00 | 12,170 |
| 2022-05-10 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2022-05-10 | Grant / award | 5,000 | $0.00 | 12,033 |
| 2022-04-01 | Grant / award | 146 | $38.38 | 7,033 |
| 2022-01-03 | Grant / award | 122 | $46.00 | 6,887 |
| 2021-12-27 | Option exercise (derivative) | 4,166 | $0.00 | 0 |
| 2021-12-27 | Open-market sale | 4,166 | $44.37 | 6,765 |
| 2021-12-27 | Option exercise | 4,166 | $5.46 | 10,931 |
| 2021-10-01 | Grant / award | 306 | $36.74 | 6,765 |
| 2021-07-07 | Grant / award | 63 | $19.77 | 6,459 |
| 2021-07-01 | Grant / award | 476 | $20.98 | 6,396 |
| 2021-05-12 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2021-05-12 | Grant / award | 5,000 | $0.00 | 5,920 |
| 2021-04-01 | Grant / award | 409 | $24.44 | 920 |
| 2021-01-04 | Grant / award | 511 | $19.56 | 511 |
| 2020-05-13 | Grant / award (derivative) | 20,000 | $21.61 | 20,000 |
| 2020-04-28 | Option exercise (derivative) | 6,666 | $16.00 | 0 |
| 2020-04-28 | Option exercise | 3,333 | $8.64 | 3,333 |
| 2020-04-28 | Open-market sale | 3,333 | $16.00 | 0 |
| 2020-04-28 | Option exercise | 6,666 | $11.04 | 6,666 |
| 2019-05-15 | Grant / award (derivative) | 20,000 | $10.68 | 20,000 |
| 2018-05-16 | Grant / award (derivative) | 20,000 | $9.45 | 20,000 |
| 2018-01-02 | Grant / award (derivative) | 5,714 | $3.50 | 5,714 |
| 2017-05-18 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2017-01-03 | Grant / award (derivative) | 4,032 | $4.96 | 4,032 |
| 2016-05-18 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2016-01-04 | Grant / award (derivative) | 4,375 | $4.00 | 4,375 |
| 2015-05-20 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2015-01-02 | Grant / award (derivative) | 5,936 | $2.95 | 5,936 |
| 2014-05-21 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2014-01-02 | Grant / award (derivative) | 13,020 | $2.69 | 13,020 |
| 2013-05-22 | Grant / award (derivative) | 25,000 | $0.00 | 25,000 |
| 2012-05-22 | Grant / award (derivative) | 25,000 | $0.00 | 25,000 |
| 2011-05-18 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2011-02-09 | Grant / award (derivative) | 40,000 | $0.00 | 40,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.