Mary Mabey

CIK: 0001735750

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (6.7%)

Position reduction

Option Exercises (M)2 (13.3%)

Derivative conversions

Awards (A)2 (13.3%)

Compensation grants

Other (G, F, J, C, D, …)10 (66.7%)

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

Companies & Roles (1)

ATNI

ATN International, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (15 total)

ATNI
ATN International, Inc.
Aug 10, 2026
Sale(S)
Direct
5K shares at avg. $32.13$161K
ATNI
ATN International, Inc.
Mar 25, 2026
Tax Payment(F)
Direct
875 shares at avg. $27.92$24K
ATNI
ATN International, Inc.
Mar 17, 2026
Award(A)
Direct
12.6K shares-
ATNI
ATN International, Inc.
Mar 13, 2026
Tax Payment(F)
Direct
2.2K shares at avg. $24.19$53K
ATNI
ATN International, Inc.
Mar 12, 2026
Tax Payment(F)
Direct
1.1K shares at avg. $24.65$28K
ATNI
ATN International, Inc.
Mar 7, 2026
Exercise(M)
Direct
3.8K shares-
ATNI
ATN International, Inc.
Mar 7, 2026
Tax Payment(F)
Direct
1.9K shares at avg. $24.18$46K
ATNI
ATN International, Inc.
Mar 7, 2026
Tax Payment(F)
Direct
819 shares at avg. $24.18$20K
ATNI
ATN International, Inc.
Apr 7, 2025
Award(A)
Direct
19.8K shares-
ATNI
ATN International, Inc.
Mar 25, 2025
Tax Payment(F)
Direct
875 shares at avg. $20.91$18K
ATNI
ATN International, Inc.
Mar 25, 2025
Exercise(M)
Direct
5K shares-
ATNI
ATN International, Inc.
Mar 25, 2025
Tax Payment(F)
Direct
2.2K shares at avg. $20.91$46K
ATNI
ATN International, Inc.
Mar 12, 2025
Tax Payment(F)
Direct
1.2K shares at avg. $20.36$25K
ATNI
ATN International, Inc.
Mar 9, 2025
Tax Payment(F)
Direct
595 shares at avg. $19.89$12K
ATNI
ATN International, Inc.
Mar 7, 2025
Tax Payment(F)
Direct
819 shares at avg. $19.89$16K

		Type	Shares	Price		Ownership
Aug 10, 2026	ATNI ATN International, Inc.	Sale(S)	5,000	$32.13	$160,625	Direct
Mar 25, 2026	ATNI ATN International, Inc.	Tax Payment(F)	875	$27.92	$24,430	Direct
Mar 17, 2026	ATNI ATN International, Inc.	Award(A)	12,624	-	$0	Direct
Mar 13, 2026	ATNI ATN International, Inc.	Tax Payment(F)	2,197	$24.19	$53,145	Direct
Mar 12, 2026	ATNI ATN International, Inc.	Tax Payment(F)	1,122	$24.65	$27,657	Direct
Mar 7, 2026	ATNI ATN International, Inc.	Exercise(M)	3,828	-	$0	Direct
Mar 7, 2026	ATNI ATN International, Inc.	Tax Payment(F)	1,900	$24.18	$45,942	Direct
Mar 7, 2026	ATNI ATN International, Inc.	Tax Payment(F)	819	$24.18	$19,803	Direct
Apr 7, 2025	ATNI ATN International, Inc.	Award(A)	19,820	-	-	Direct
Mar 25, 2025	ATNI ATN International, Inc.	Tax Payment(F)	875	$20.91	$18,296	Direct
Mar 25, 2025	ATNI ATN International, Inc.	Exercise(M)	4,977	-	-	Direct
Mar 25, 2025	ATNI ATN International, Inc.	Tax Payment(F)	2,205	$20.91	$46,107	Direct
Mar 12, 2025	ATNI ATN International, Inc.	Tax Payment(F)	1,238	$20.36	$25,206	Direct
Mar 9, 2025	ATNI ATN International, Inc.	Tax Payment(F)	595	$19.89	$11,835	Direct
Mar 7, 2025	ATNI ATN International, Inc.	Tax Payment(F)	819	$19.89	$16,290	Direct

1-15 of 15 transactions

About Mabey Mary

Mabey Mary (SEC CIK 0001735750) files insider reports with the SEC as SVP AND GENERAL COUNSEL of ATN International, Inc. (ATNI).

Signal8 holds 9 ownership filings by Mabey Mary, all Form 4s, filed between Mar 11, 2025 and Aug 11, 2026. Those filings report 15 transactions, from Mar 7, 2025 to Aug 10, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Mabey Mary's filings is in BEVERLY, MA.

Recent filings by Mabey Mary

Aug 10, 2026: Open-market sale of ATNI shares (Form 4, code S).
Mar 25, 2026: Tax withholding of ATNI shares (Form 4, code F).
Mar 17, 2026: Grant or award of ATNI shares (Form 4, code A).
Mar 13, 2026: Tax withholding of ATNI shares (Form 4, code F).
Mar 12, 2026: Tax withholding of ATNI shares (Form 4, code F).

Other insiders filing for ATN International, Inc. (ATNI)

PRIOR CORNELIUS B JR, 10% Owner
Jacobs Patricia, Director
Henry April, Director
Bulkin Bernard J, Director
Hudson Derek, Director
LENEHAN PAMELA F, Director

How to read Form 4 transaction codes