SEC CIK 1564252
Jensen Chrystal
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| CERSview stock → | 936,657 | 2026-08-17 |
Position History — CERS
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — CERS
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-08-17 | Open-market sale | 30,000 | $2.98 | 936,657 |
| 2026-06-30 | Open-market sale | 24,329 | $2.94 | 966,657 |
| 2026-06-30 | Grant / award | 55,000 | $0.00 | 990,986 |
| 2026-04-01 | Grant / award | 200,000 | $0.00 | 1,146,131 |
| 2026-03-06 | Open-market sale | 30,845 | $2.01 | 1,059,139 |
| 2026-03-05 | Grant / award | 55,220 | $0.00 | 1,083,514 |
| 2026-03-02 | Grant / award | 300,000 | $0.00 | 1,028,294 |
| 2025-11-24 | Open-market sale | 55,000 | $1.70 | 728,294 |
| 2025-03-14 | Open-market sale | 30,075 | $1.45 | 783,294 |
| 2025-03-13 | Open-market sale | 18,949 | $1.45 | 813,369 |
| 2025-03-12 | Open-market sale | 113,008 | $1.66 | 946,131 |
| 2025-03-07 | Open-market sale | 27,457 | $1.50 | 832,318 |
| 2025-03-06 | Grant / award | 69,577 | $0.00 | 859,775 |
| 2025-03-06 | Grant / award | 385,000 | $0.00 | 790,198 |
| 2025-03-04 | Open-market sale | 60,000 | $1.59 | 405,198 |
| 2025-03-04 | Open-market sale | 6,292 | $1.55 | 465,198 |
| 2025-03-03 | Option exercise (derivative) | 13,912 | — | 0 |
| 2025-03-03 | Option exercise | 13,912 | — | 471,490 |
| 2025-02-26 | Grant / award (derivative) | 13,912 | — | 13,912 |
| 2024-12-16 | Open-market sale | 16,667 | $1.71 | 457,578 |
| 2024-08-15 | Open-market sale | 16,667 | $2.07 | 474,245 |
| 2024-03-14 | Open-market sale | 17,824 | $1.97 | 490,912 |
| 2024-03-13 | Open-market sale | 17,460 | $2.06 | 508,736 |
| 2024-03-12 | Option exercise (derivative) | 16,666 | — | 0 |
| 2024-03-12 | Option exercise | 16,666 | — | 526,196 |
| 2024-03-01 | Grant / award | 160,000 | $0.00 | 509,530 |
| 2023-03-13 | Open-market sale | 9,710 | $2.80 | 338,621 |
| 2023-03-13 | Open-market sale | 5,758 | $2.80 | 349,530 |
| 2023-03-12 | Option exercise (derivative) | 16,667 | — | 16,666 |
| 2023-03-12 | Option exercise (derivative) | 23,460 | — | 0 |
| 2023-03-12 | Option exercise | 16,667 | — | 355,288 |
| 2023-03-12 | Option exercise | 23,460 | — | 348,331 |
| 2023-03-01 | Grant / award | 160,000 | $0.00 | 324,871 |
| 2022-08-15 | Open-market sale | 10,000 | $5.18 | 164,871 |
| 2022-03-14 | Open-market sale | 8,173 | $5.04 | 164,186 |
| 2022-03-14 | Open-market sale | 5,982 | $5.04 | 174,871 |
| 2022-03-14 | Open-market sale | 16,152 | $5.04 | 149,589 |
| 2022-03-12 | Option exercise (derivative) | 45,000 | — | 0 |
| 2022-03-12 | Option exercise (derivative) | 22,770 | — | 23,460 |
| 2022-03-12 | Option exercise (derivative) | 16,667 | — | 33,333 |
| 2022-03-12 | Option exercise | 16,667 | — | 180,853 |
| 2022-03-12 | Option exercise | 22,770 | — | 172,359 |
| 2022-03-12 | Option exercise | 45,000 | — | 165,741 |
| 2022-03-01 | Grant / award (derivative) | 105,000 | — | 105,000 |
| 2022-03-01 | Grant / award | 52,500 | $0.00 | 120,741 |
| 2021-11-03 | Open-market sale | 40,000 | $7.70 | 67,038 |
| 2021-03-15 | Open-market sale | 5,556 | $6.38 | 61,858 |
| 2021-03-15 | Open-market sale | 7,989 | $6.38 | 105,853 |
| 2021-03-15 | Open-market sale | 15,786 | $6.38 | 91,072 |
| 2021-03-12 | Option exercise (derivative) | 15,833 | — | 0 |
| 2021-03-12 | Option exercise (derivative) | 22,770 | — | 46,230 |
| 2021-03-12 | Option exercise (derivative) | 45,000 | — | 45,000 |
| 2021-03-12 | Option exercise | 45,000 | — | 106,858 |
| 2021-03-12 | Option exercise | 22,770 | — | 113,842 |
| 2021-03-12 | Option exercise | 15,833 | — | 67,414 |
| 2021-03-01 | Grant / award (derivative) | 100,000 | — | 100,000 |
| 2021-03-01 | Grant / award (derivative) | 50,000 | — | 50,000 |
| 2021-02-08 | Option exercise (derivative) | 4,167 | — | 6,250 |
| 2021-02-08 | Option exercise (derivative) | 3,958 | — | 29,688 |
| 2021-02-08 | Option exercise | 4,167 | $4.33 | 52,752 |
| 2021-02-08 | Open-market sale | 4,167 | $8.00 | 48,585 |
| 2021-02-08 | Option exercise | 3,958 | $4.32 | 52,543 |
| 2020-12-22 | Option exercise (derivative) | 85,416 | — | 10,417 |
| 2020-12-22 | Option exercise (derivative) | 68,516 | — | 0 |
| 2020-12-22 | Option exercise (derivative) | 57,395 | — | 33,646 |
| 2020-12-22 | Option exercise | 68,516 | $4.46 | 117,101 |
| 2020-12-22 | Option exercise | 85,416 | $4.33 | 134,001 |
| 2020-12-22 | Option exercise | 57,395 | $4.32 | 105,980 |
| 2020-12-22 | Open-market sale | 57,395 | $8.00 | 48,585 |
| 2020-12-11 | Option exercise (derivative) | 4,167 | — | 95,833 |
| 2020-12-11 | Option exercise (derivative) | 11,362 | — | 68,516 |
| 2020-12-11 | Option exercise (derivative) | 3,959 | — | 91,041 |
| 2020-12-11 | Option exercise (derivative) | 21,875 | — | 0 |
| 2020-12-11 | Option exercise | 21,875 | $4.46 | 70,460 |
| 2020-12-11 | Option exercise | 11,362 | $4.46 | 59,947 |
| 2020-12-11 | Option exercise | 4,167 | $4.33 | 52,742 |
| 2020-12-11 | Option exercise | 3,959 | $4.32 | 52,544 |
| 2020-12-11 | Open-market sale | 3,959 | $8.00 | 48,585 |
| 2020-08-07 | Open-market sale | 23,621 | $7.07 | 48,585 |
| 2020-05-12 | Open-market sale | 20,351 | $5.67 | 72,206 |
| 2020-03-17 | Open-market sale | 17,499 | $3.59 | 92,557 |
| 2020-03-17 | Option exercise | 7,500 | — | 58,259 |
| 2020-03-17 | Open-market sale | 2,974 | $3.59 | 55,285 |
| 2020-03-17 | Option exercise | 15,833 | — | 71,118 |
| 2020-03-17 | Open-market sale | 6,062 | $3.59 | 65,056 |
| 2020-03-17 | Option exercise | 45,000 | — | 110,056 |
| 2020-03-12 | Option exercise (derivative) | 45,000 | — | 90,000 |
| 2020-03-12 | Option exercise (derivative) | 15,833 | — | 15,833 |
| 2020-03-12 | Option exercise (derivative) | 7,500 | — | 0 |
| 2020-03-02 | Grant / award (derivative) | 138,000 | — | 138,000 |
| 2020-03-02 | Grant / award (derivative) | 69,000 | — | 69,000 |
| 2019-06-06 | Grant / award (derivative) | 135,000 | — | 135,000 |
| 2019-03-13 | Open-market sale | 2,832 | $5.90 | 32,407 |
| 2019-03-13 | Open-market sale | 5,979 | $5.90 | 42,262 |
| 2019-03-13 | Open-market sale | 2,832 | $5.90 | 38,107 |
| 2019-03-13 | Open-market sale | 5,979 | $5.90 | 47,962 |
| 2019-03-12 | Option exercise (derivative) | 7,500 | — | 7,500 |
| 2019-03-12 | Option exercise (derivative) | 15,834 | — | 31,666 |
| 2019-03-12 | Option exercise | 7,500 | — | 35,239 |
| 2019-03-12 | Open-market sale | 1,972 | $6.48 | 27,739 |
| 2019-03-12 | Option exercise | 15,834 | — | 48,241 |
| 2019-03-12 | Option exercise (derivative) | 15,834 | — | 31,666 |
| 2019-03-12 | Option exercise (derivative) | 7,500 | — | 7,500 |
| 2019-03-12 | Option exercise | 15,834 | — | 53,941 |
| 2019-03-12 | Option exercise | 7,500 | — | 40,939 |
| 2019-03-12 | Open-market sale | 1,972 | $6.48 | 33,439 |
| 2019-03-10 | Option exercise (derivative) | 5,700 | — | 0 |
| 2019-03-10 | Option exercise | 5,700 | — | 29,711 |
| 2019-03-10 | Option exercise (derivative) | 5,700 | — | 0 |
| 2019-03-10 | Option exercise | 5,700 | — | 35,411 |
| 2018-03-13 | Open-market sale | 2,650 | $5.05 | 25,628 |
| 2018-03-12 | Option exercise (derivative) | 7,500 | — | 15,000 |
| 2018-03-12 | Open-market sale | 1,960 | $4.80 | 11,095 |
| 2018-03-12 | Option exercise | 7,500 | — | 28,278 |
| 2018-03-10 | Option exercise (derivative) | 5,701 | — | 5,700 |
| 2018-03-10 | Option exercise | 5,701 | — | 13,055 |
| 2018-03-01 | Grant / award (derivative) | 47,500 | — | 47,500 |
| 2018-03-01 | Grant / award (derivative) | 95,000 | — | 95,000 |
| 2017-03-14 | Open-market sale | 2,259 | $4.15 | 7,354 |
| 2017-03-10 | Option exercise (derivative) | 5,701 | — | 11,401 |
| 2017-03-10 | Option exercise | 5,701 | — | 9,613 |
| 2017-03-01 | Grant / award (derivative) | 100,000 | — | 100,000 |
| 2017-03-01 | Grant / award (derivative) | 22,500 | — | 22,500 |
| 2016-03-11 | Open-market sale | 8,541 | $5.63 | 8,230 |
| 2016-03-01 | Grant / award (derivative) | 90,000 | — | 90,000 |
| 2016-03-01 | Grant / award (derivative) | 18,000 | — | 18,000 |
| 2015-03-02 | Grant / award (derivative) | 150,000 | — | 150,000 |
| 2014-03-03 | Grant / award (derivative) | 115,000 | — | 115,000 |
| 2013-01-02 | Grant / award (derivative) | 130,000 | — | 130,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.