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Who

Mark Fleischhauer

Director

Company insider

Files Form 4 as: Director, Anterix.

In numbers

Trades disclosed
7
Buys
1
Sells
1
Bought
$120K
Sold
$559K
Companies
1
Companies where not an officer
1
First trade
5 Dec 2024
Last trade
4 Aug 2026
Last filed
6 Aug 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
ATEX AnterixDirector · Telecom Carriers · last 4 Aug 20261 buy · 1 sell

Activity over time

1 Dec 2024 – 1 Oct 2026
101Dec 24Jun 25Nov 25May 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
4 Aug 2026filed 6 Aug 2026ATEX AnterixTelecom CarriersSEC FORM 4 Code A—1,598 at $0.00filing
4 Aug 2026filed 6 Aug 2026ATEX AnterixTelecom CarriersSEC FORM 4 Code A—1,598 at $0.00filing
15 Jun 2026filed 17 Jun 2026ATEX AnterixTelecom CarriersSEC FORM 4 Sold$279K3,500 at $79.83filing
15 Jun 2026filed 17 Jun 2026ATEX AnterixTelecom CarriersSEC FORM 4 Sold$279K3,500 at $79.83filing
5 Aug 2025filed 7 Aug 2025ATEX AnterixTelecom CarriersSEC FORM 4 Code A—7,767 at $0.00filing
5 Dec 2024filed 9 Dec 2024ATEX AnterixTelecom CarriersSEC FORM 4 Bought$120K3,500 at $34.19filing
5 Dec 2024filed 9 Dec 2024ATEX AnterixTelecom CarriersSEC FORM 4 Code A—5,002 at $0.00filing

News

Anterix Inc. (NASDAQ:ATEX) Stock Has Average Price Target of $120.00ATEX · dailypolitical.com · 16 Oct 2026

0 headlines in the last 90 days name Mark Fleischhauer; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Communications2

Buys in green, sells in red, by the company’s sector.

Related people

Elena MarquezChief Financial Officer · Chief Financial Officer at Anterix, filing Form 4 there in the last year
Scott A. LangPresident and CEO · President and CEO at Anterix, filing Form 4 there in the last year
Heather MartinChief Marketing Officer · Chief Marketing Officer at Anterix, filing Form 4 there in the last year
Gena L. AsheChief Legal Officer & Corp Sec · Chief Legal Officer & Corp Sec at Anterix, filing Form 4 there in the last year
Leslie B. DanielsDirector · Director at Anterix, filing Form 4 there in the last year
Christopher Guttman-McCabeChief Reg & Comm Officer · Also traded ATEX in the last 90 days
Thomas R. KuhnDirector and Other role · Also traded ATEX in the last 90 days
William HeardDirector · Also traded ATEX in the last 90 days