William Heard

CIK: 0002035875

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)7 (58.3%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (25.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (16.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ATEX

Anterix Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (12 total)

ATEX
Anterix Inc.
Aug 19, 2026
Gift(G)
Direct
5.4K shares-
ATEX
Anterix Inc.
Aug 14, 2026
Sale(S)
Indirect
46.4K shares at avg. $90.11$4.2M
ATEX
Anterix Inc.
Aug 4, 2026
Award(A)
Direct
1.6K shares-
ATEX
Anterix Inc.
Dec 29, 2025
Gift(G)
Direct
1.9K shares-
ATEX
Anterix Inc.
Aug 5, 2025
Award(A)
Direct
7.8K shares-
ATEX
Anterix Inc.
Mar 21, 2025
Sale(S)
Indirect
3.5K shares at avg. $37.97$133K
ATEX
Anterix Inc.
Mar 20, 2025
Sale(S)
Indirect
7K shares at avg. $38.40$269K
ATEX
Anterix Inc.
Mar 19, 2025
Sale(S)
Indirect
6.5K shares at avg. $38.93$253K
ATEX
Anterix Inc.
Mar 17, 2025
Sale(S)
Indirect
8.3K shares at avg. $38.73$320K
ATEX
Anterix Inc.
Feb 28, 2025
Award(A)
Direct
1.9K shares-
ATEX
Anterix Inc.
Feb 20, 2025
Sale(S)
Indirect
2.2K shares at avg. $41.67$94K
ATEX
Anterix Inc.
Feb 14, 2025
Sale(S)
Indirect
7.9K shares at avg. $41.18$325K

		Type	Shares	Price		Ownership
Aug 19, 2026	ATEX Anterix Inc.	Gift(G)	5,400	-	$0	Direct
Aug 14, 2026	ATEX Anterix Inc.	Sale(S)	46,400	$90.11	$4,181,095	Indirect
Aug 4, 2026	ATEX Anterix Inc.	Award(A)	1,598	-	$0	Direct
Dec 29, 2025	ATEX Anterix Inc.	Gift(G)	1,887	-	$0	Direct
Aug 5, 2025	ATEX Anterix Inc.	Award(A)	7,767	-	-	Direct
Mar 21, 2025	ATEX Anterix Inc.	Sale(S)	3,500	$37.97	$132,895	Indirect
Mar 20, 2025	ATEX Anterix Inc.	Sale(S)	7,000	$38.40	$268,800	Indirect
Mar 19, 2025	ATEX Anterix Inc.	Sale(S)	6,500	$38.93	$253,045	Indirect
Mar 17, 2025	ATEX Anterix Inc.	Sale(S)	8,251	$38.73	$319,561	Indirect
Feb 28, 2025	ATEX Anterix Inc.	Award(A)	1,887	-	-	Direct
Feb 20, 2025	ATEX Anterix Inc.	Sale(S)	2,249	$41.67	$93,716	Indirect
Feb 14, 2025	ATEX Anterix Inc.	Sale(S)	7,900	$41.18	$325,322	Indirect

1-12 of 12 transactions

About Heard William

Heard William (SEC CIK 0002035875) files insider reports with the SEC as Director of Anterix Inc. (ATEX).

Signal8 holds 8 ownership filings by Heard William (1 Form 3, 7 Form 4), filed between Sep 5, 2024 and Aug 20, 2026. Those filings report 12 transactions, from Feb 14, 2025 to Aug 19, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Heard William's filings is in CHICAGO, IL.

Recent filings by Heard William

Aug 19, 2026: Gift of ATEX shares (Form 4, code G).
Aug 14, 2026: Open-market sale of ATEX shares (Form 4, code S).
Aug 4, 2026: Grant or award of ATEX shares (Form 4, code A).
Dec 29, 2025: Gift of ATEX shares (Form 4, code G).
Aug 5, 2025: Grant or award of ATEX shares (Form 4, code A).

Other insiders filing for Anterix Inc. (ATEX)

Marquez Elena, Chief Financial Officer
Lang Scott A., President and CEO
Martin Heather, Chief Marketing Officer
Ashe Gena L, Chief Legal Officer & Corp Sec
DANIELS LESLIE B, Director
Guttman-McCabe Christopher, Chief Reg & Comm Officer

How to read Form 4 transaction codes