SEC CIK 1459154
Wahlstrom Mats
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| CHRSview stock → | 30,000 | 2026-06-05 |
Position History — CHRS
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — CHRS
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-06-05 | Grant / award (derivative) | 60,000 | $0.00 | 60,000 |
| 2026-06-05 | Grant / award | 30,000 | $0.00 | 30,000 |
| 2025-06-12 | Grant / award (derivative) | 112,000 | $0.00 | 112,000 |
| 2025-05-23 | Open-market sale | 99,988 | $0.74 | 0 |
| 2024-06-03 | Grant / award (derivative) | 112,000 | $0.00 | 112,000 |
| 2024-02-09 | Gift | 99,988 | $0.00 | 99,988 |
| 2024-02-09 | Gift | 99,988 | $0.00 | 0 |
| 2024-02-01 | Option exercise (derivative) | 44,991 | $0.00 | 0 |
| 2024-02-01 | Option exercise | 44,991 | $1.67 | 99,988 |
| 2024-02-01 | Option exercise | 14,997 | $1.67 | 54,997 |
| 2023-06-07 | Grant / award (derivative) | 38,250 | $0.00 | 38,250 |
| 2022-02-28 | Option exercise (derivative) | 29,994 | $0.00 | 0 |
| 2022-02-28 | Grant / award | 29,994 | $2.08 | 40,000 |
| 2022-02-25 | Grant / award | 10,006 | $11.64 | 10,006 |
| 2022-01-07 | Grant / award (derivative) | 27,000 | $0.00 | 27,000 |
| 2022-01-07 | Grant / award (derivative) | 27,000 | $0.00 | 27,000 |
| 2021-01-11 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2020-06-17 | Open-market sale | 200,000 | $17.15 | 0 |
| 2020-03-03 | Open-market sale | 4,222 | $20.89 | 200,000 |
| 2020-03-03 | Open-market sale | 113,844 | $20.09 | 204,222 |
| 2020-01-10 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2019-05-31 | J | 178,528 | $0.00 | 0 |
| 2019-05-31 | J | 98,152 | $0.00 | 318,066 |
| 2019-01-11 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2018-02-01 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2017-05-17 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2017-05-09 | J | 109,957 | $0.00 | 219,914 |
| 2017-05-09 | J | 200,000 | $0.00 | 178,528 |
| 2017-02-22 | J | 200,000 | $0.00 | 378,528 |
| 2017-02-22 | J | 109,957 | $0.00 | 109,957 |
| 2016-12-08 | Open-market sale | 46,190 | $27.52 | 0 |
| 2016-12-07 | Open-market sale | 7,393 | $27.50 | 46,190 |
| 2016-05-24 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2016-02-29 | Open-market buy (derivative) | — | $22.35 | — |
| 2016-02-29 | Open-market buy (derivative) | 1,000,000 | $22.35 | 1,000,000 |
| 2015-08-18 | Open-market sale | 6,373 | $33.50 | 578,527 |
| 2015-08-18 | Open-market sale | 6,372 | $33.50 | 578,528 |
| 2015-08-17 | Open-market sale | 8,028 | $33.91 | 584,900 |
| 2015-08-14 | Open-market sale | 116,554 | $34.24 | 592,928 |
| 2015-04-01 | Grant / award (derivative) | 75,000 | $0.00 | 75,000 |
| 2015-04-01 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2015-04-01 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2015-04-01 | Grant / award (derivative) | 75,000 | $0.00 | 75,000 |
| 2014-12-23 | J | 221,538 | $0.00 | 0 |
| 2014-12-23 | J | 114,639 | $0.00 | 709,482 |
| 2014-11-12 | Conversion (derivative) | 79,950 | — | 0 |
| 2014-11-12 | Conversion (derivative) | 514,893 | — | 0 |
| 2014-11-12 | Conversion | 43,011 | — | 43,011 |
| 2014-11-12 | Conversion | 79,950 | — | 594,843 |
| 2014-11-12 | Conversion | 514,893 | — | 514,893 |
| 2014-11-12 | Conversion | 26,649 | — | 221,538 |
| 2014-11-12 | Conversion | 194,889 | — | 194,889 |
| 2014-11-12 | Conversion | 10,572 | — | 53,583 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.