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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
10-Q10-QMay 5, 202610-Q10-QNov 4, 202510-Q10-QAug 5, 202510-Q10-QMay 20, 202510-Q10-QNov 12, 202410-Q10-QAug 9, 202410-Q10-QMay 10, 202410-Q10-QNov 9, 202310-Q10-QAug 14, 202310-Q10-QMay 10, 202310-Q10-QNov 9, 202210-Q10-QAug 5, 202210-Q10-QMay 6, 202210-Q10-QNov 5, 202110-Q10-QAug 6, 202110-Q10-QMay 6, 202110-Q10-QNov 6, 202010-Q10-QAug 7, 202010-Q10-QMay 8, 202010-Q10-QNov 5, 201910-Q10-QSep 20, 201910-Q10-QMay 7, 201910-Q10-QNov 6, 201810-Q10-QAug 3, 201810-Q10-QMay 9, 201810-Q10-QNov 7, 201710-Q10-QAug 4, 2017
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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