Christopher Guttman-McCabe

CIK: 0001828490

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)15 (46.9%)

Position reduction

Option Exercises (M)7 (21.9%)

Derivative conversions

Awards (A)3 (9.4%)

Compensation grants

Other (G, F, J, C, D, …)7 (21.9%)

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

Companies & Roles (1)

ATEX

Anterix Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (32 total)

ATEX
Anterix Inc.
Aug 25, 2026
Sale(S)
Direct
7.6K shares at avg. $91.69$695K
ATEX
Anterix Inc.
Aug 25, 2026
Tax Payment(F)
Direct
16.6K shares at avg. $90.38$1.5M
ATEX
Anterix Inc.
Aug 25, 2026
Sale(S)
Direct
2.7K shares at avg. $90.61$244K
ATEX
Anterix Inc.
Aug 25, 2026
Exercise(M)
Direct
40K shares at avg. $34.72$1.4M
ATEX
Anterix Inc.
Aug 25, 2026
Sale(S)
Direct
7.8K shares at avg. $92.77$723K
ATEX
Anterix Inc.
Aug 25, 2026
Sale(S)
Direct
5.4K shares at avg. $93.59$503K
ATEX
Anterix Inc.
Jul 13, 2026
Tax Payment(F)
Direct
1.5K shares at avg. $100.96$153K
ATEX
Anterix Inc.
Jun 15, 2026
Sale(S)
Direct
21.1K shares at avg. $83.86$1.8M
ATEX
Anterix Inc.
Jun 15, 2026
Sale(S)
Direct
11.7K shares at avg. $78.73$919K
ATEX
Anterix Inc.
Jun 15, 2026
Sale(S)
Direct
5K shares at avg. $79.53$400K
ATEX
Anterix Inc.
Jun 15, 2026
Sale(S)
Direct
21.4K shares at avg. $80.63$1.7M
ATEX
Anterix Inc.
Jun 15, 2026
Sale(S)
Direct
34.9K shares at avg. $81.51$2.8M
ATEX
Anterix Inc.
Jun 15, 2026
Sale(S)
Direct
21K shares at avg. $82.39$1.7M
ATEX
Anterix Inc.
Jun 15, 2026
Sale(S)
Direct
7.8K shares at avg. $84.40$655K
ATEX
Anterix Inc.
Jun 15, 2026
Exercise(M)
Direct
6.7K shares at avg. $42.14$283K
ATEX
Anterix Inc.
Jun 15, 2026
Exercise(M)
Direct
50.9K shares at avg. $34.40$1.8M
ATEX
Anterix Inc.
Jun 15, 2026
Exercise(M)
Direct
8K shares at avg. $32.50$260K
ATEX
Anterix Inc.
Jun 15, 2026
Exercise(M)
Direct
11.8K shares at avg. $25.75$303K
ATEX
Anterix Inc.
Jun 15, 2026
Sale(S)
Direct
13.3K shares at avg. $84.29$1.1M
ATEX
Anterix Inc.
Jun 15, 2026
Exercise(M)
Direct
20K shares at avg. $37.42$748K
ATEX
Anterix Inc.
Jun 15, 2026
Exercise(M)
Direct
25.5K shares at avg. $49.39$1.3M
ATEX
Anterix Inc.
Jun 15, 2026
Sale(S)
Direct
35.3K shares at avg. $81.32$2.9M
ATEX
Anterix Inc.
Jun 15, 2026
Sale(S)
Direct
26.4K shares at avg. $82.27$2.2M
ATEX
Anterix Inc.
Jun 15, 2026
Sale(S)
Direct
16.4K shares at avg. $83.72$1.4M
ATEX
Anterix Inc.
May 20, 2026
Award(A)
Direct
4.9K shares-

		Type	Shares	Price		Ownership
Aug 25, 2026	ATEX Anterix Inc.	Sale(S)	7,580	$91.69	$695,044	Direct
Aug 25, 2026	ATEX Anterix Inc.	Tax Payment(F)	16,561	$90.38	$1,496,783	Direct
Aug 25, 2026	ATEX Anterix Inc.	Sale(S)	2,696	$90.61	$244,283	Direct
Aug 25, 2026	ATEX Anterix Inc.	Exercise(M)	40,000	$34.72	$1,388,800	Direct
Aug 25, 2026	ATEX Anterix Inc.	Sale(S)	7,791	$92.77	$722,764	Direct
Aug 25, 2026	ATEX Anterix Inc.	Sale(S)	5,372	$93.59	$502,746	Direct
Jul 13, 2026	ATEX Anterix Inc.	Tax Payment(F)	1,516	$100.96	$153,055	Direct
Jun 15, 2026	ATEX Anterix Inc.	Sale(S)	21,050	$83.86	$1,765,245	Direct
Jun 15, 2026	ATEX Anterix Inc.	Sale(S)	11,668	$78.73	$918,569	Direct
Jun 15, 2026	ATEX Anterix Inc.	Sale(S)	5,030	$79.53	$400,034	Direct
Jun 15, 2026	ATEX Anterix Inc.	Sale(S)	21,434	$80.63	$1,728,271	Direct
Jun 15, 2026	ATEX Anterix Inc.	Sale(S)	34,870	$81.51	$2,842,243	Direct
Jun 15, 2026	ATEX Anterix Inc.	Sale(S)	21,045	$82.39	$1,733,851	Direct
Jun 15, 2026	ATEX Anterix Inc.	Sale(S)	7,755	$84.40	$654,531	Direct
Jun 15, 2026	ATEX Anterix Inc.	Exercise(M)	6,715	$42.14	$282,970	Direct
Jun 15, 2026	ATEX Anterix Inc.	Exercise(M)	50,876	$34.40	$1,750,134	Direct
Jun 15, 2026	ATEX Anterix Inc.	Exercise(M)	8,000	$32.50	$260,000	Direct
Jun 15, 2026	ATEX Anterix Inc.	Exercise(M)	11,750	$25.75	$302,563	Direct
Jun 15, 2026	ATEX Anterix Inc.	Sale(S)	13,324	$84.29	$1,123,077	Direct
Jun 15, 2026	ATEX Anterix Inc.	Exercise(M)	20,000	$37.42	$748,400	Direct
Jun 15, 2026	ATEX Anterix Inc.	Exercise(M)	25,511	$49.39	$1,259,988	Direct
Jun 15, 2026	ATEX Anterix Inc.	Sale(S)	35,321	$81.32	$2,872,431	Direct
Jun 15, 2026	ATEX Anterix Inc.	Sale(S)	26,411	$82.27	$2,172,904	Direct
Jun 15, 2026	ATEX Anterix Inc.	Sale(S)	16,381	$83.72	$1,371,471	Direct
May 20, 2026	ATEX Anterix Inc.	Award(A)	4,926	-	$0	Direct

1-25 of 32 transactions

About Guttman-McCabe Christopher

Guttman-McCabe Christopher (SEC CIK 0001828490) files insider reports with the SEC as Chief Reg & Comm Officer of Anterix Inc. (ATEX).

Signal8 holds 12 ownership filings by Guttman-McCabe Christopher, all Form 4s, filed between Nov 19, 2024 and Aug 27, 2026. Those filings report 32 transactions, from Nov 15, 2024 to Aug 25, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Guttman-McCabe Christopher's filings is in WOODLAND PARK, NJ.

Recent filings by Guttman-McCabe Christopher

Aug 25, 2026: Open-market sale of ATEX shares (Form 4, code S).
Aug 25, 2026: Tax withholding of ATEX shares (Form 4, code F).
Aug 25, 2026: Open-market sale of ATEX shares (Form 4, code S).
Aug 25, 2026: Option exercise of ATEX shares (Form 4, code M).
Aug 25, 2026: Open-market sales of ATEX shares (2 lines, Form 4, code S).

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
Kuhn Thomas R., Director

How to read Form 4 transaction codes