Mary Mabey

Insider

First SEC filing: March 29, 2018 · Latest: March 29, 2018

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

ATNI selling Aug. 10, 2026

Insider transactions

0 buys (P) 1 sells (S) Net: $-160,600 + 50 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

50 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 10, 2026	ATNI	S	5,000	$32.12	$160,600	60,402 Direct	-7.65%	Disposed	-3.3% (price as of 2026-08-21)
April 7, 2025	ATNI	A	19,820	—	—	55,863 Direct	+54.99%	Acquired	(price as of 2026-08-21)
April 7, 2025	ATNI	A	19,820	—	—	19,820 Direct	—	Acquired	(price as of 2026-08-21)
March 25, 2025	ATNI	M	4,977	—	—	39,123 Direct	+14.58%	Acquired	(price as of 2026-08-21)
March 25, 2025	ATNI	F	2,205	$20.91	$46,107	36,918 Direct	-5.64%	Disposed	48.6% (price as of 2026-08-21)
March 25, 2025	ATNI	F	875	$20.91	$18,296	36,043 Direct	-2.37%	Disposed	48.6% (price as of 2026-08-21)
March 25, 2025	ATNI	M	7,900	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 12, 2025	ATNI	F	1,238	$20.36	$25,206	34,146 Direct	-3.50%	Disposed	52.6% (price as of 2026-08-21)
March 9, 2025	ATNI	F	595	$19.89	$11,835	35,384 Direct	-1.65%	Disposed	56.2% (price as of 2026-08-21)
March 7, 2025	ATNI	F	819	$19.89	$16,290	35,979 Direct	-2.23%	Disposed	56.2% (price as of 2026-08-21)
March 25, 2024	ATNI	F	901	$30.21	$27,219	36,798 Direct	-2.39%	Disposed	2.8% (price as of 2026-08-21)
March 14, 2024	ATNI	A	10,140	—	—	39,715 Direct	+34.29%	Acquired	(price as of 2026-08-21)
March 14, 2024	ATNI	A	10,137	—	—	16,737 Direct	+153.59%	Acquired	(price as of 2026-08-21)
March 12, 2024	ATNI	A	10,140	—	—	39,715 Direct	+34.29%	Acquired	(price as of 2026-08-21)
March 12, 2024	ATNI	A	10,140	—	—	16,740 Direct	+153.64%	Acquired	(price as of 2026-08-21)
March 11, 2024	ATNI	F	809	$32.99	$26,689	29,575 Direct	-2.66%	Disposed	-5.8% (price as of 2026-08-21)
March 9, 2024	ATNI	F	595	$33.06	$19,671	30,384 Direct	-1.92%	Disposed	-6.0% (price as of 2026-08-21)
March 8, 2024	ATNI	M	4,128	—	—	32,005 Direct	+14.81%	Acquired	(price as of 2026-08-21)
March 8, 2024	ATNI	F	2,112	$33.06	$69,823	30,979 Direct	-6.38%	Disposed	-6.0% (price as of 2026-08-21)
March 8, 2024	ATNI	M	4,800	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 7, 2024	ATNI	F	834	$32.20	$26,855	26,947 Direct	-3.00%	Disposed	-3.5% (price as of 2026-08-21)
March 25, 2023	ATNI	F	875	$38.74	$33,898	27,781 Direct	-3.05%	Disposed	-19.8% (price as of 2026-08-21)
March 13, 2023	ATNI	F	609	$40.10	$24,421	28,656 Direct	-2.08%	Disposed	-22.5% (price as of 2026-08-21)
March 11, 2023	ATNI	F	794	$40.49	$32,149	29,265 Direct	-2.64%	Disposed	-23.3% (price as of 2026-08-21)
March 9, 2023	ATNI	F	595	$40.69	$24,211	30,059 Direct	-1.94%	Disposed	-23.6% (price as of 2026-08-21)
March 7, 2023	ATNI	A	6,600	—	—	30,654 Direct	+27.44%	Acquired	(price as of 2026-08-21)
March 7, 2023	ATNI	A	6,600	—	—	6,600 Direct	—	Acquired	(price as of 2026-08-21)
March 25, 2022	ATNI	A	7,900	—	—	24,054 Direct	+48.90%	Acquired	(price as of 2026-08-21)
March 25, 2022	ATNI	A	7,900	—	—	7,900 Direct	—	Acquired	(price as of 2026-08-21)
March 25, 2022	ATNI	A	7,900	—	—	24,736 Direct	+46.92%	Acquired	(price as of 2026-08-21)
March 25, 2022	ATNI	A	7,900	—	—	7,900 Direct	—	Acquired	(price as of 2026-08-21)
March 13, 2022	ATNI	F	682	$35.22	$24,020	16,154 Direct	-4.05%	Disposed	-11.8% (price as of 2026-08-21)
March 11, 2022	ATNI	F	794	$35.22	$27,965	16,836 Direct	-4.50%	Disposed	-11.8% (price as of 2026-08-21)
March 9, 2022	ATNI	F	595	$35.35	$21,033	17,630 Direct	-3.26%	Disposed	-12.1% (price as of 2026-08-21)
March 7, 2022	ATNI	F	310	$33.45	$10,370	18,225 Direct	-1.67%	Disposed	-7.1% (price as of 2026-08-21)
March 13, 2021	ATNI	F	682	$52.09	$35,525	18,535 Direct	-3.55%	Disposed	-40.4% (price as of 2026-08-21)
March 11, 2021	ATNI	F	794	$52.11	$41,375	19,217 Direct	-3.97%	Disposed	-40.4% (price as of 2026-08-21)
March 9, 2021	ATNI	A	4,800	—	—	4,800 Direct	—	Acquired	(price as of 2026-08-21)
March 9, 2021	ATNI	A	4,800	—	—	20,011 Direct	+31.56%	Acquired	(price as of 2026-08-21)
March 8, 2021	ATNI	F	167	$52.28	$8,731	15,211 Direct	-1.09%	Disposed	-40.6% (price as of 2026-08-21)
March 7, 2021	ATNI	F	310	$49.88	$15,463	15,378 Direct	-1.98%	Disposed	-37.7% (price as of 2026-08-21)
March 13, 2020	ATNI	F	655	$51.41	$33,674	15,688 Direct	-4.01%	Disposed	-39.6% (price as of 2026-08-21)
March 11, 2020	ATNI	A	6,400	—	—	16,343 Direct	+64.37%	Acquired	(price as of 2026-08-21)
March 9, 2020	ATNI	F	166	$50.68	$8,413	9,943 Direct	-1.64%	Disposed	-38.7% (price as of 2026-08-21)
March 8, 2020	ATNI	F	161	$55.52	$8,939	10,109 Direct	-1.57%	Disposed	-44.0% (price as of 2026-08-21)
March 7, 2020	ATNI	F	297	$55.52	$16,489	10,270 Direct	-2.81%	Disposed	-44.0% (price as of 2026-08-21)
March 17, 2019	ATNI	F	333	$55.39	$18,445	10,567 Direct	-3.06%	Disposed	-43.9% (price as of 2026-08-21)
March 13, 2019	ATNI	A	5,500	—	—	10,900 Direct	+101.85%	Acquired	(price as of 2026-08-21)
March 9, 2019	ATNI	F	166	$55.16	$9,157	5,400 Direct	-2.98%	Disposed	-43.7% (price as of 2026-08-21)
March 8, 2019	ATNI	F	160	$55.16	$8,826	5,566 Direct	-2.79%	Disposed	-43.7% (price as of 2026-08-21)
March 7, 2019	ATNI	F	298	$55.06	$16,408	5,726 Direct	-4.95%	Disposed	-43.6% (price as of 2026-08-21)
April 16, 2018	ATNI	S 10b5-1	1,255	$65.00	$81,575	6,024 Direct	-17.24%	Disposed	-52.2% (price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
April 7, 2025	ATNI	Performance-Based Restricted Stock Units	Common Stock (19,820)	$0.00	—	19,820	Acquired
March 25, 2025	ATNI	Performance-Based Restricted Stock Units	Common Stock (7,900)	$0.00	March 25, 2025	7,900	Disposed
March 14, 2024	ATNI	Performance-Based Restricted Stock Units	Common Stock (10,137)	$0.00	—	10,137	Acquired
March 12, 2024	ATNI	Performance-Based Restricted Stock Units	Common Stock	$0.00	—	10,140	Acquired
March 8, 2024	ATNI	Performance -Based Restricted Stock Units	Common Stock (4,800)	$0.00	—	4,800	Disposed
March 7, 2023	ATNI	Performance-Based Restricted Stock Units	Common Stock	$0.00	—	6,600	Acquired
March 25, 2022	ATNI	Performance-Based Restricted Stock Units	Common Stock	$0.00	—	7,900	Acquired
March 25, 2022	ATNI	Performance-Based Restricted Stock Units	Common Stock	$0.00	—	7,900	Acquired
March 9, 2021	ATNI	Performance -Based Restricted Stock Units	Common Stock	$0.00	—	4,800	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
March 29, 2018	ATNI	Common Stock	7,279	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

ATNI

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2019	$260,000	—	$306,460	—	$112,000	—	$10,774	$689,234
2018	$222,500	—	$156,750	—	$107,000	—	$11,513	$497,763

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.