SEC CIK 1706189

Deren John

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

Current Positions

CompanyShares OwnedAs Of
TFXview stock →18,0732026-03-04

Position History — TFX

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

06,10112,20118,3022017-052018-022019-032020-022021-082024-032026-03

Recent Filings — TFX

DateActivitySharesPriceOwned After
2026-03-04Tax withholding229$119.1818,073
2026-03-03Grant / award (derivative)30,362$0.0030,362
2026-03-03Grant / award9,180$0.0018,302
2026-03-03Grant / award4,604$0.009,122
2026-02-28Tax withholding231$122.064,518
2026-02-23Grant / award161$0.004,749
2025-03-04Grant / award (derivative)18,896$0.0018,896
2025-03-04Grant / award2,676$0.004,588
2025-03-01Tax withholding157$132.751,912
2025-02-24Grant / award92$0.002,069
2024-08-24Tax withholding16$242.411,977
2024-03-02Tax withholding137$223.001,988
2024-02-27Grant / award (derivative)2,957$0.002,957
2024-02-27Grant / award417$0.002,125
2024-02-27Grant / award (derivative)2,957$0.002,957
2024-02-27Grant / award422$0.002,130
2024-02-19Grant / award113$0.001,708
2023-02-28Grant / award (derivative)2,886$0.002,886
2023-02-28Grant / award414$0.001,595
2023-02-25Tax withholding88$235.181,181
2022-03-01Grant / award (derivative)2,441$0.002,441
2022-03-01Grant / award298$0.001,269
2022-02-28Tax withholding121$343.01971
2022-02-28Grant / award3$0.001,092
2021-08-24Grant / award (derivative)325$0.00325
2021-08-24Grant / award45$0.001,089
2021-03-02Grant / award (derivative)1,759$0.001,759
2021-03-02Grant / award225$0.001,044
2021-02-27Tax withholding129$398.12819
2020-05-09Tax withholding38$340.30948
2020-05-05Open-market sale826$330.241,253
2020-05-05Open-market sale267$329.67986
2020-02-28Option exercise (derivative)1,215$0.000
2020-02-28Option exercise (derivative)969$0.00970
2020-02-28Option exercise969$253.724,263
2020-02-28Option exercise1,215$191.183,294
2020-02-28Open-market sale2,184$346.172,079
2020-02-28Tax withholding154$335.022,079
2020-02-25Grant / award (derivative)2,167$0.002,167
2020-02-25Grant / award222$0.002,233
2019-08-14Option exercise (derivative)632$0.00316
2019-08-14Option exercise (derivative)969$0.001,939
2019-08-14Open-market sale403$365.532,011
2019-08-14Open-market sale1,601$364.952,414
2019-08-14Option exercise969$253.724,015
2019-08-14Option exercise632$194.403,046
2019-03-11Option exercise (derivative)826$0.000
2019-03-11Open-market sale125$290.432,414
2019-03-11Option exercise826$121.002,539
2019-03-07Option exercise (derivative)2,430$0.001,215
2019-03-07Tax withholding1,902$285.811,713
2019-03-07Option exercise2,430$191.183,615
2019-03-06Option exercise (derivative)3,543$0.000
2019-03-06Option exercise (derivative)1,124$0.00826
2019-03-06Option exercise3,543$144.795,112
2019-03-06Option exercise1,124$121.006,236
2019-03-06Open-market sale5,051$287.181,185
2019-03-01Tax withholding160$294.511,569
2019-02-26Grant / award (derivative)2,762$0.002,762
2019-02-26Grant / award310$0.001,729
2018-06-12Open-market sale1,347$284.571,419
2018-02-28Open-market sale343$253.052,766
2018-02-27Grant / award (derivative)2,908$0.002,908
2018-02-27Open-market sale1,016$256.552,763
2018-02-27Grant / award346$0.003,109
2018-02-23Tax withholding210$255.273,779
2017-05-09Option exercise (derivative)988$101.120
2017-05-09Grant / award (derivative)948$0.00948
2017-05-09Option exercise988$101.126,235
2017-05-09Open-market sale888$194.094,089
2017-05-09Open-market sale1,258$194.064,977
2017-05-09Open-market sale100$194.073,989
2017-05-09Option exercise1,258$79.485,247
2017-05-09Grant / award108$0.003,989
2017-05-05———4.2
2017-05-05———3,881

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