SEC CIK 1258563

WOLSFELD MATTHEW C

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

Current Positions

CompanyShares OwnedAs Of
NTICview stock →170,9662026-07-01

Position History — NTIC

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

060,045120,090180,1352006-072007-112010-112012-112022-102024-072026-07

Recent Filings — NTIC

DateActivitySharesPriceOwned After
2026-09-01Grant / award (derivative)29,755$0.0029,755
2026-07-01Option exercise (derivative)11,879$0.000
2026-07-01Tax withholding9,169$8.68170,966
2026-07-01Option exercise11,879$6.70180,135
2025-09-01Grant / award (derivative)32,559$0.0032,559
2024-09-01Grant / award (derivative)33,156$0.0033,156
2024-07-15Option exercise (derivative)7,752$0.000
2024-07-15Option exercise7,752$10.05168,149
2023-09-01Grant / award (derivative)33,543$0.0033,543
2023-07-11Option exercise (derivative)8,582$0.000
2023-07-11Option exercise8,582$7.35160,338
2022-10-04Option exercise (derivative)27,218$0.000
2022-10-04Option exercise27,218$5.13161,813
2022-10-04Tax withholding10,086$13.83151,727
2022-09-01Grant / award (derivative)35,121$0.0035,121
2021-09-01Grant / award (derivative)24,051$0.0024,051
2020-09-01Grant / award (derivative)55,244$0.0055,244
2019-09-01Grant / award (derivative)43,351$0.0043,351
2018-09-01Grant / award (derivative)10,198$0.0010,198
2017-09-01Grant / award (derivative)4,325$0.004,325
2016-09-01Grant / award (derivative)5,940$0.005,940
2015-09-01Grant / award (derivative)5,386$0.005,386
2014-09-01Grant / award (derivative)3,876$0.003,876
2014-03-10Option exercise (derivative)9,000$7.650
2014-03-10Option exercise9,000$7.6566,966
2013-09-01Grant / award (derivative)4,291$0.004,291
2012-11-16Grant / award (derivative)2,485$0.002,485
2012-11-16Grant / award (derivative)4,971$0.004,971
2012-11-16Grant / award (derivative)6,153$0.006,153
2012-11-14Option exercise (derivative)3,950$0.000
2012-11-14Tax withholding3,639$10.8057,876
2012-11-14Option exercise3,950$9.9561,515
2012-09-24Option exercise (derivative)9,000$9.950
2012-09-24Option exercise9,000$9.9557,565
2011-11-04Grant / award6,053$0.0048,507
2010-11-18Grant / award3,193$0.0042,393
2010-11-02Option exercise (derivative)8,000$5.380
2010-11-02Option exercise8,000$5.3839,200
2009-11-20Grant / award (derivative)9,000$0.009,000
2008-10-31Grant / award4,144$0.0031,291
2007-11-16Grant / award (derivative)12,950$0.0012,950
2007-11-16Grant / award4,742$0.0025,216
2007-02-09Option exercise10,000$4.5610,000
2006-11-17Grant / award4,994$0.008,930
2006-07-25Grant / award2,000$4.722,000

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