InsiderTrades

Martin Heather

SEC CIK 2090798 · EDGAR

Buying vs selling by month open-market trades, last 24 months, ATEX
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ATEXAnterix Inc.CMO, Chief of Staff 26.7K — $679.0K 32026-05-202026-09-10

Most active insiders at ATEX, 12 months

#InsiderTitleBoughtSold
1 Guttman-McCabe ChristopherChief Reg, Comm Off —$19.75M
2 Lang Scott A.Pres, CEO, Dir $75.1K$5.58M
3 Heard WilliamDir —$4.18M
4 Ashe Gena LCLO, Corp Sec —$2.32M
5 DANIELS LESLIE BDir —$1.09M
6 Kuhn Thomas R.Dir, Executive COB —$1.02M
7 Martin HeatherCMO, Chief of Staff —$679.0K
8 YAZDI MAHVASHDir —$560.0K
9 Marquez ElenaCFO —$341.1K
10 Fleischhauer MarkDir —$279.4K

Transactions 3

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-09-11 16:09 2026-09-09 ATEX Anterix Inc. Martin Heather CMO, Chief of Staff F - Tax $85.44 -3,465 34.8K -9% -$296.0K
2026-09-11 16:09 2026-09-10 ATEX Anterix Inc. Martin Heather CMO, Chief of Staff S - Sale $84.20 -8,064 26.7K -23% -$679.0K
D 2026-05-22 19:47 2026-05-20 ATEX Anterix Inc. Martin Heather CMO, Chief of Staff A - Grant $0.00 +3,694 38.3K +11% $0

Purchase Sale Sale after option exercise All abbreviations