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ADTNNasdaq
ADTRAN Holdings, Inc.
Telephone & Telegraph Apparatus · CIK 926282
ADTRAN Holdings provides global networking and communications platforms, software, systems, and services for broadband access and optical transport
red 8-K · 90d
$1.24B
Market cap
$13.75
Last close
+1.7%
1D
-11.8%
5D
2.0M
Volume
Price · last 39 sessions-25.0%
May 4L $13.52 · H $19.40Jun 29
285
Total filings
Jun 26, 2026
Last filing
12/31
Fiscal year end
DEFA14ADEFA14AMay 1, 2026DEFA14ADEFA14AMar 27, 2026DEFA14ADEFA14AJun 6, 2025DEFA14ADEFA14AMay 27, 2025DEFA14ADEFA14AMay 13, 2025DEFA14ADEFA14AMar 31, 2025DEFA14ADEFA14AApr 4, 2024DEFA14ADEFA14AMar 27, 2024DEFA14ADEFA14AMay 3, 2023DEFA14ADEFA14AMar 28, 2023DEFA14ADEFA14AMar 29, 2022DEFA14ADEFA14AMar 30, 2021DEFA14ADEFA14AApr 13, 2020DEFA14ADEFA14AApr 2, 2020
Insider Activity
In the 90 days to Mar 4, 2026: 1 sold $148K.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 4, 2026 | Jacqueline Hourigan RiceDirector | Sell | 14,406 | $10.29 | $148K |
| Nov 28, 2025 | Santo Timothy PSVP of Finance; CFO | Buy | 6,150 | $8.02 | $49K |
| Nov 26, 2025 | Theodosopoulos NikosDirector | Buy | 12,859 | $7.81 | $100K |
| Nov 24, 2025 | Stanton Thomas RChairman & CEO | Buy | 40,928 | $7.33 | $300K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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