SEC CIK 1239366

CHUNG PETER Y

Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
UIview stock →4,764,0792013-09-11
MTSIview stock →6,7812026-05-14

Position History — MTSI

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

02,827,9755,655,9518,483,9262012-032013-112015-052016-032018-032020-112023-032026-05

Recent Filings — MTSI

DateActivitySharesPriceOwned After
2026-05-14Open-market sale43,268$378.206,781
2026-03-06Grant / award776$0.0050,049
2025-03-07Grant / award1,623$0.0049,273
2024-03-08Grant / award2,138$0.0047,650
2023-03-03Grant / award2,244$0.0045,512
2022-08-08Open-market sale850,311$59.0043,268
2022-03-04Grant / award2,768$0.00893,579
2021-03-05Grant / award2,093$0.00890,811
2020-11-11Option exercise (out-of-money) (derivative)1,270,679$0.000
2020-11-11Open-market sale420,368$42.47888,718
2020-11-11Option exercise (out-of-money)1,270,679$14.051,309,086
2020-03-06Grant / award5,414$0.0038,407
2019-03-01Grant / award6,656$0.0032,993
2018-03-02Grant / award6,086$0.0026,337
2017-03-03Grant / award2,835$0.0020,251
2017-02-02Open-market sale1,201,635$46.5517,416
2016-05-02Open-market sale1,400,000$40.001,215,938
2016-03-04Grant / award3,113$0.002,619,051
2016-02-25Open-market sale900,000$36.002,615,938
2016-01-28Open-market sale2,700,000$37.703,515,938
2015-05-29Open-market sale34,565$38.326,215,938
2015-05-15Grant / award1,577$0.006,250,503
2015-02-11Open-market sale2,235,000$28.586,248,926
2015-01-21Grant / award1,562$0.008,483,926
2014-02-28Grant / award2,970$0.008,482,364
2013-11-18Grant / award1,377$0.008,479,394
2013-01-22Grant / award3,355$0.008,474,662
2012-11-02Grant / award831$0.008,474,662
2012-03-20Conversion (derivative)33,884,814$0.000
2012-03-20Grant / award2,631$0.008,473,831
2012-03-20Conversion8,471,200—8,471,200

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