ATEX

Anterix Inc.

Insider trading activity for Anterix Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$2.6M

net selling

Bought(0 · 0 insiders): $0
Sold(6 · 5 insiders): $2.6M

Past 6 months

-$2.6M

net selling

Bought(0 · 0 insiders): $0
Sold(6 · 5 insiders): $2.6M

Past 12 months

-$2.6M

net selling

Bought(0 · 0 insiders): $0
Sold(6 · 5 insiders): $2.6M

Transaction history

The 42 most recent Form 4 transactions.

Open in screener →

Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 4	Fleischhauer Mark	Director	AGRANT	1,598	—	—	+12.5%	Open the original filing on SEC.gov
Aug 4	Heard William	Director	AGRANT	1,598	—	—	+16.6%	Open the original filing on SEC.gov
Aug 4	Yazdi Mahvash	Director	AGRANT	1,598	—	—	+8.2%	Open the original filing on SEC.gov
Aug 4	Daniels Leslie B	Director	AGRANT	1,598	—	—	+2.9%	Open the original filing on SEC.gov
Aug 4	Altman Jeffrey A	Director, 10% Owner	AGRANT	1,598	—	—	+10.4%	Open the original filing on SEC.gov
Jul 13	Marquez Elena	Chief Financial Officer	FTAX	231	$100.96	$23.3K	-1.3%	Open the original filing on SEC.gov
Jul 13	Guttman-McCabe Christoph…	Chief Reg & Comm Officer	FTAX	1,516	$100.96	$153.1K	-1.9%	Open the original filing on SEC.gov
Jun 18	Lang Scott A.	President and CEO	SSELL	170	$80.25	$13.6K	-0.2%	Open the original filing on SEC.gov
Jun 17	Marquez Elena	Chief Financial Officer	MEXER◆	1,226	—	—	—	Open the original filing on SEC.gov
Jun 17	Marquez Elena	Chief Financial Officer	SSELL	4,291	$79.50	$341.1K	-18.9%	Open the original filing on SEC.gov
Jun 17	Marquez Elena	Chief Financial Officer	MEXER	1,226	$40.00	$49K	+5.7%	Open the original filing on SEC.gov
Jun 16	Yazdi Mahvash	Director	SSELL	7,000	$80.00	$560K	-26.5%	Open the original filing on SEC.gov
Jun 15	Fleischhauer Mark	Director	SSELL	3,500	$79.83	$279.4K	-21.5%	Open the original filing on SEC.gov
Jun 15	Ashe Gena L	Chief Legal Officer &…	MEXER◆	18,368	—	—	—	Open the original filing on SEC.gov
Jun 15	Ashe Gena L	Chief Legal Officer &…	MEXER◆	11,000	—	—	—	Open the original filing on SEC.gov
Jun 15	Ashe Gena L	Chief Legal Officer &…	SSELL	4,336	$82.14	$356.2K	-31.3%	Open the original filing on SEC.gov
Jun 15	Ashe Gena L	Chief Legal Officer &…	SSELL	13,375	$81.04	$1.1M	-49.1%	Open the original filing on SEC.gov
Jun 15	Ashe Gena L	Chief Legal Officer &…	FTAX	10,996	$82.50	$907.2K	-28.8%	Open the original filing on SEC.gov
Jun 15	Ashe Gena L	Chief Legal Officer &…	FTAX	4,661	$82.50	$384.5K	-10.9%	Open the original filing on SEC.gov
Jun 15	Ashe Gena L	Chief Legal Officer &…	MEXER	18,368	$49.39	$907.2K	+74.9%	Open the original filing on SEC.gov
Jun 15	Ashe Gena L	Chief Legal Officer &…	MEXER	11,000	$34.96	$384.6K	+81.3%	Open the original filing on SEC.gov
Jun 15	Lang Scott A.	President and CEO	MEXER◆	74,530	—	—	—	Open the original filing on SEC.gov
Jun 15	Lang Scott A.	President and CEO	MEXER◆	63,788	—	—	—	Open the original filing on SEC.gov
Jun 15	Lang Scott A.	President and CEO	FTAX	48,470	$82.50	$4M	-38.7%	Open the original filing on SEC.gov
Jun 15	Lang Scott A.	President and CEO	FTAX	39,621	$82.50	$3.3M	-24.0%	Open the original filing on SEC.gov
Jun 15	Lang Scott A.	President and CEO	MEXER	74,530	$34.96	$2.6M	+82.6%	Open the original filing on SEC.gov
Jun 15	Lang Scott A.	President and CEO	MEXER	63,788	$30.99	$2M	+241.0%	Open the original filing on SEC.gov
May 22	Ashe Gena L	Chief Legal Officer &…	FTAX	2,501	$60.00	$150.1K	-15.6%	Open the original filing on SEC.gov
May 20	Martin Heather	Chief Marketing Officer	AGRANT◆	17,453	—	—	—	Open the original filing on SEC.gov
May 20	Martin Heather	Chief Marketing Officer	AGRANT	3,694	—	—	+10.7%	Open the original filing on SEC.gov
May 20	Marquez Elena	Chief Financial Officer	AGRANT◆	17,453	—	—	—	Open the original filing on SEC.gov
May 20	Marquez Elena	Chief Financial Officer	AGRANT	3,694	—	—	+20.8%	Open the original filing on SEC.gov
May 20	Guttman-McCabe Christoph…	Chief Reg & Comm Officer	AGRANT◆	23,271	—	—	—	Open the original filing on SEC.gov
May 20	Guttman-McCabe Christoph…	Chief Reg & Comm Officer	AGRANT	4,926	—	—	+11.9%	Open the original filing on SEC.gov
May 20	Ashe Gena L	Chief Legal Officer &…	AGRANT◆	17,453	—	—	—	Open the original filing on SEC.gov
May 20	Ashe Gena L	Chief Legal Officer &…	AGRANT	3,694	—	—	+29.9%	Open the original filing on SEC.gov
May 20	Lang Scott A.	President and CEO	AGRANT◆	72,839	—	—	—	Open the original filing on SEC.gov
May 20	Lang Scott A.	President and CEO	AGRANT	18,210	—	—	+220.5%	Open the original filing on SEC.gov
May 18	Guttman-McCabe Christoph…	Chief Reg & Comm Officer	FTAX	1,426	$57.06	$81.4K	-3.3%	Open the original filing on SEC.gov
May 18	Ashe Gena L	Chief Legal Officer &…	FTAX	1,028	$57.06	$58.7K	-7.7%	Open the original filing on SEC.gov
May 15	Marquez Elena	Chief Financial Officer	FTAX	271	$56.62	$15.3K	-1.5%	Open the original filing on SEC.gov
Dec 29, 2025	Heard William	Director	GGIFT	1,887	—	—	-16.8%	Open the original filing on SEC.gov

AGRANT—

Fleischhauer Mark · DirectorAug 4

1,598 sh · +12.5% own

AGRANT—

Heard William · DirectorAug 4

1,598 sh · +16.6% own

AGRANT—

Yazdi Mahvash · DirectorAug 4

1,598 sh · +8.2% own

AGRANT—

Daniels Leslie B · DirectorAug 4

1,598 sh · +2.9% own

AGRANT—

Altman Jeffrey A · Director, 10%…Aug 4

1,598 sh · +10.4% own

FTAX$23.3K

Marquez Elena · Chief Financial…Jul 13

231 sh @ $100.96 · -1.3% own

FTAX$153.1K

Guttman-McCabe Christoph… · Chief Reg & Comm…Jul 13

1,516 sh @ $100.96 · -1.9% own

SSELL$13.6K

Lang Scott A. · President and CEOJun 18

170 sh @ $80.25 · -0.2% own

MEXER◆—

Marquez Elena · Chief Financial…Jun 17

1,226 sh

SSELL$341.1K

Marquez Elena · Chief Financial…Jun 17

4,291 sh @ $79.50 · -18.9% own

MEXER$49K

Marquez Elena · Chief Financial…Jun 17

1,226 sh @ $40.00 · +5.7% own

SSELL$560K

Yazdi Mahvash · DirectorJun 16

7,000 sh @ $80.00 · -26.5% own

SSELL$279.4K

Fleischhauer Mark · DirectorJun 15

3,500 sh @ $79.83 · -21.5% own

MEXER◆—

Ashe Gena L · Chief Legal…Jun 15

18,368 sh

MEXER◆—

Ashe Gena L · Chief Legal…Jun 15

11,000 sh

SSELL$356.2K

Ashe Gena L · Chief Legal…Jun 15

4,336 sh @ $82.14 · -31.3% own

SSELL$1.1M

Ashe Gena L · Chief Legal…Jun 15

13,375 sh @ $81.04 · -49.1% own

FTAX$907.2K

Ashe Gena L · Chief Legal…Jun 15

10,996 sh @ $82.50 · -28.8% own

FTAX$384.5K

Ashe Gena L · Chief Legal…Jun 15

4,661 sh @ $82.50 · -10.9% own

MEXER$907.2K

Ashe Gena L · Chief Legal…Jun 15

18,368 sh @ $49.39 · +74.9% own

MEXER$384.6K

Ashe Gena L · Chief Legal…Jun 15

11,000 sh @ $34.96 · +81.3% own

MEXER◆—

Lang Scott A. · President and CEOJun 15

74,530 sh

MEXER◆—

Lang Scott A. · President and CEOJun 15

63,788 sh

FTAX$4M

Lang Scott A. · President and CEOJun 15

48,470 sh @ $82.50 · -38.7% own

FTAX$3.3M

Lang Scott A. · President and CEOJun 15

39,621 sh @ $82.50 · -24.0% own

MEXER$2.6M

Lang Scott A. · President and CEOJun 15

74,530 sh @ $34.96 · +82.6% own

MEXER$2M

Lang Scott A. · President and CEOJun 15

63,788 sh @ $30.99 · +241.0% own

FTAX$150.1K

Ashe Gena L · Chief Legal…May 22

2,501 sh @ $60.00 · -15.6% own

AGRANT◆—

Martin Heather · Chief Marketing…May 20

17,453 sh

AGRANT—

Martin Heather · Chief Marketing…May 20

3,694 sh · +10.7% own

AGRANT◆—

Marquez Elena · Chief Financial…May 20

17,453 sh

AGRANT—

Marquez Elena · Chief Financial…May 20

3,694 sh · +20.8% own

AGRANT◆—

Guttman-McCabe Christoph… · Chief Reg & Comm…May 20

23,271 sh

AGRANT—

Guttman-McCabe Christoph… · Chief Reg & Comm…May 20

4,926 sh · +11.9% own

AGRANT◆—

Ashe Gena L · Chief Legal…May 20

17,453 sh

AGRANT—

Ashe Gena L · Chief Legal…May 20

3,694 sh · +29.9% own

AGRANT◆—

Lang Scott A. · President and CEOMay 20

72,839 sh

AGRANT—

Lang Scott A. · President and CEOMay 20

18,210 sh · +220.5% own

FTAX$81.4K

Guttman-McCabe Christoph… · Chief Reg & Comm…May 18

1,426 sh @ $57.06 · -3.3% own

FTAX$58.7K

Ashe Gena L · Chief Legal…May 18

1,028 sh @ $57.06 · -7.7% own

FTAX$15.3K

Marquez Elena · Chief Financial…May 15

271 sh @ $56.62 · -1.5% own

GGIFT—

Heard William · DirectorDec 29, 2025

1,887 sh · -16.8% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

1 of 23 filings we hold was filed after the two-business-day deadline. The furthest past the deadline was 150 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Dec 29, 2025	Aug 6	Heard WilliamDirector	150days · about 7 months	—	Filing ↗

Heard WilliamDirector

150days · about 7 months

Traded Dec 29, 2025 · filed Aug 6Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.