ADTRAN Holdings Inc

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ADTRAN Holdings Inc
CIK #0000926282
EDGAR Form CIK 2011 - 2026
10-K [0000926282]
10-Q [0000926282]
3 [0000926282]
4 [0000926282]
5 [0000926282]
8-K [0000926282]
SC 13D [0000926282]
SC 13G [0000926282]
Form 13D/13G Filer Form 13D/13G Subject Filed
Vanguard Portfolio Management LLC Adtran Holdings Inc [2026-04-28]
Egora Ventures AG Adtran Holdings Inc [2025-03-06]
DNB Asset Management as Adtran Holdings Inc [2024-11-12]
Vanguard Group Inc Adtran Holdings Inc [2024-11-04]
Divisar Capital Management LLC Adtran Holdings Inc [2024-03-25]
William Blair Investment Management LLC Adtran Holdings Inc [2024-02-12]
BlackRock Inc Adtran Holdings Inc [2023-01-20]
BlackRock Inc Adtran Holdings Inc [2022-09-08]
BlackRock Inc Adtran Holdings Inc [2022-09-08]
Protiva Brian Adtran Holdings Inc [2022-07-20]
View All
Form 3/4/5 Subject 2011 - 2026
DelSanto Anne
Adtran Inc
Wilson James Denson Jr
Glingener Christoph
Santo Timothy P
Stanton Thomas R
Jacqueline Hourigan Rice
Theodosopoulos Nikos
Nair Balan
HUSS H Fenwick
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Adtran Inc ADTN
Common Stock
2026-03-19 Tax withheld 1,501 $11.90 17,862
Adtran Inc ADTN
Common Stock
2026-03-04 Sell 14,406 $10.29 148,238
Adtran Inc ADTN
Common Stock
2026-01-26 Tax withheld 1,087 $9.24 10,044
Adtran Inc ADTN
Common Stock
2026-01-26 Tax withheld 14,409 $9.73 140,200
Adtran Inc ADTN
Common Stock
2026-01-26 Grant 27,973 $0.00
Adtran Inc ADTN
Common Stock
2026-01-26 Tax withheld 998 $9.73 9,711
Adtran Inc ADTN
Common Stock
2026-01-26 Tax withheld 12,407 $9.24 114,641
Adtran Inc ADTN
Common Stock
2026-01-26 Grant 3,777 $0.00
Adtran Inc ADTN
Common Stock
2026-01-24 Tax withheld 17,535 $9.55 167,459
Adtran Inc ADTN
Common Stock
2026-01-24 Tax withheld 1,227 $9.55 11,718
Adtran Inc ADTN
Common Stock
2026-01-20 Tax withheld 10,247 $9.24 94,682
Adtran Inc ADTN
Common Stock
2026-01-20 Tax withheld 765 $9.24 7,069
Adtran Inc ADTN
Common Stock
2025-12-31 Grant 13,809 $0.00
Adtran Inc ADTN
Common Stock
2025-12-31 Grant 13,809 $0.00
Adtran Inc ADTN
Common Stock
2025-12-31 Grant 13,809 $0.00
Adtran Inc ADTN
Common Stock
2025-12-31 Grant 13,809 $0.00
Adtran Inc ADTN
Common Stock
2025-12-31 Grant 13,809 $0.00
Adtran Inc ADTN
Common Stock
2025-12-31 Grant 13,809 $0.00
Adtran Inc ADTN
Common Stock
2025-11-28 Buy 6,150 $8.02 49,323
Adtran Inc ADTN
Common Stock
2025-11-26 Buy 12,859 $7.81 100,429
showing 20 of 200 most recent transactions
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