Heard William

SEC Form 4 insider

Anterix Inc. ($ATEX)

1 thesis · first seen Aug 18, 2026

Window	Theses	Resolved	Wins	Win rate	Avg return	Median return
1d	1	1	1	100%	-2.3%	-2.3%
3d	1	1	0	0%	+2.8%	+2.8%
1w	1	1	0	0%	+1.8%	+1.8%
1m	0	0	0	—	—	—
3m	0	0	0	—	—	—
6m	0	0	0	—	—	—
1y	0	0	0	—	—	—

Past performance does not predict future results. Informational only, not investment advice.

Thesis history

$ATEXSEC Form 4bearish

Heard William · Anterix Inc. · 45d agono track record yet

Sold 46,400 @ $90.11 avg · $4,181,095 · 2026-08-14

Form 4: Heard William sold ATEX

Heard William (Director at Anterix Inc.) reported an open-market sale of 46,400 shares of ATEX at an average $90.11, roughly $4,181,095, in a Form 4 filed 2026-08-18.

At post $90.75Now $85.17-6.2% since posted26m ago

1d-2.3%

3d+2.8%

1w+1.8%

1m-14.7%

3m—

6m—

1y—

View filing on SEC.gov →

End of results.