13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
SCHEDULE 13D/A Filed 2026-06-15 Event 2026-04-20 SEC 0000929638-26-002223 →

PRIOR CORNELIUS B JR ATN International, Inc. ATNI

Stake: 28.96% Shares: 4,454,390 CUSIP: 00215F107 Class: Common Stock, par value $.01 per share

Item 4 — Purpose of Transaction

Except as described in this Amendment No. 1 to Schedule 13D, Mr. Prior does not have any present plans or proposals that relate to or would result in any of the actions described in Item 4 of this Schedule 13D, although, Mr. Prior, at any time and from time to time, may review, reconsider and change his position and/or change his purpose and/or develop such plans and may seek to influence management of the Issuer or the board of directors of the Issuer with respect to the business and affairs of the Issuer and may from time to time consider pursuing or proposing such matters with advisors, the Issuer or other persons. Any such action may be made by Mr. Prior alone or in conjunction with other stockholders, potential acquirers, financing sources and/or other third parties and could include one or more purposes, plans or proposals that relate to or would result in actions required to be reported herein in accordance with Item 4 of Schedule 13D.

Cross-References

Insider Activity (last 365d)
17 transactions
0 buys · 14 sales · 3 awards/exercises
Issuer Cluster
1 13D/G filings on this issuer
0 other filings besides this one
Filer Track Record
1 filings by this filer
0 other filings in the data moat
Short Interest · settle 2026-07-15
DTC 2.95
227,552 shares short · +16.3% vs prior

Post-Filing Returns · since 2026-04-20 on ATNI

+1 day
+0.5%
+5 days
-0.0%
+30 days
-4.3%
+60 days
-7.6%
+90 days
-18.2%
+180 days

Anchor price 27.95 on closest trading day on/after 2026-04-20. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-06-12 PRIOR CORNELIUS B JR 10%+ owner Sale 19,100 $27.96 $534K
2026-06-11 PRIOR CORNELIUS B JR 10%+ owner Sale 2,000 $27.30 $55K
2026-06-03 PRIOR CORNELIUS B JR 10%+ owner Gift 10,000
2026-06-02 PRIOR CORNELIUS B JR 10%+ owner Sale 6,000 $28.30 $170K
2026-06-01 PRIOR CORNELIUS B JR 10%+ owner Sale 12,610 $28.29 $357K
2026-05-28 PRIOR CORNELIUS B JR 10%+ owner Sale 2,500 $28.25 $71K
2026-05-27 PRIOR CORNELIUS B JR 10%+ owner Sale 17,500 $28.17 $493K
2026-05-27 PRIOR CORNELIUS B JR 10%+ owner Gift 30,000
2026-05-26 PRIOR CORNELIUS B JR 10%+ owner Sale 2,854 $27.96 $80K
2026-05-21 PRIOR CORNELIUS B JR 10%+ owner Sale 2,000 $27.25 $55K
2026-05-20 PRIOR CORNELIUS B JR 10%+ owner Sale 3,500 $27.02 $95K
2026-05-14 PRIOR CORNELIUS B JR 10%+ owner Sale 2,000 $27.25 $55K
2026-05-11 PRIOR CORNELIUS B JR 10%+ owner Sale 5,000 $27.25 $136K
2026-05-08 PRIOR CORNELIUS B JR 10%+ owner Sale 1,000 $26.25 $26K
2026-05-07 PRIOR CORNELIUS B JR 10%+ owner Sale 3,500 $25.54 $89K
2026-05-07 PRIOR CORNELIUS B JR 10%+ owner Sale 2,500 $26.00 $65K
2026-04-20 PRIOR CORNELIUS B JR 10%+ owner Gift 200,000

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. From $49/mo.

See pricing →