SEC CIK 1459154

Wahlstrom Mats

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
CHRSview stock →30,0002026-06-05

Position History — CHRS

Reported shares owned immediately after each Form 4 transaction, over time.

0236,494472,988709,4822014-112014-112015-082017-022020-032024-022026-06

Recent Filings — CHRS

DateActivitySharesPriceOwned After
2026-06-05Grant / award (derivative)60,000$0.0060,000
2026-06-05Grant / award30,000$0.0030,000
2025-06-12Grant / award (derivative)112,000$0.00112,000
2025-05-23Open-market sale99,988$0.740
2024-06-03Grant / award (derivative)112,000$0.00112,000
2024-02-09Gift99,988$0.0099,988
2024-02-09Gift99,988$0.000
2024-02-01Option exercise (derivative)44,991$0.000
2024-02-01Option exercise44,991$1.6799,988
2024-02-01Option exercise14,997$1.6754,997
2023-06-07Grant / award (derivative)38,250$0.0038,250
2022-02-28Option exercise (derivative)29,994$0.000
2022-02-28Grant / award29,994$2.0840,000
2022-02-25Grant / award10,006$11.6410,006
2022-01-07Grant / award (derivative)27,000$0.0027,000
2022-01-07Grant / award (derivative)27,000$0.0027,000
2021-01-11Grant / award (derivative)20,000$0.0020,000
2020-06-17Open-market sale200,000$17.150
2020-03-03Open-market sale4,222$20.89200,000
2020-03-03Open-market sale113,844$20.09204,222
2020-01-10Grant / award (derivative)20,000$0.0020,000
2019-05-31J178,528$0.000
2019-05-31J98,152$0.00318,066
2019-01-11Grant / award (derivative)20,000$0.0020,000
2018-02-01Grant / award (derivative)20,000$0.0020,000
2017-05-17Grant / award (derivative)20,000$0.0020,000
2017-05-09J109,957$0.00219,914
2017-05-09J200,000$0.00178,528
2017-02-22J200,000$0.00378,528
2017-02-22J109,957$0.00109,957
2016-12-08Open-market sale46,190$27.520
2016-12-07Open-market sale7,393$27.5046,190
2016-05-24Grant / award (derivative)10,000$0.0010,000
2016-02-29Open-market buy (derivative)—$22.35—
2016-02-29Open-market buy (derivative)1,000,000$22.351,000,000
2015-08-18Open-market sale6,373$33.50578,527
2015-08-18Open-market sale6,372$33.50578,528
2015-08-17Open-market sale8,028$33.91584,900
2015-08-14Open-market sale116,554$34.24592,928
2015-04-01Grant / award (derivative)75,000$0.0075,000
2015-04-01Grant / award (derivative)20,000$0.0020,000
2015-04-01Grant / award (derivative)20,000$0.0020,000
2015-04-01Grant / award (derivative)75,000$0.0075,000
2014-12-23J221,538$0.000
2014-12-23J114,639$0.00709,482
2014-11-12Conversion (derivative)79,950—0
2014-11-12Conversion (derivative)514,893—0
2014-11-12Conversion43,011—43,011
2014-11-12Conversion79,950—594,843
2014-11-12Conversion514,893—514,893
2014-11-12Conversion26,649—221,538
2014-11-12Conversion194,889—194,889
2014-11-12Conversion10,572—53,583

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.