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ADTN

ADTRAN Holdings, Inc.

NASDAQ · Technology · Communication Equipment · US

$4.74
−6.42%
Ask drillr
1
Insider buys (3m)
0
Insider sells (3m)
$50.0K
Net value (3m)
-40.0%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Nov 2, 2026Terlinde Christian · directorA-Award8,721$0.00
Aug 10, 2026Glingener Christoph · officer: Chief Technology OfficerA-Award27,924$0.00
Aug 7, 2026Santo Timothy P · officer: SVP of Finance; CFOPurchase6,579$7.60
Jul 28, 2026Glingener Christoph · officer: Chief Technology OfficerA-Award9,384$0.00
Jul 6, 2026DelSanto Anne · directorA-Award4,399$0.00
May 22, 2026Wilson James Denson Jr · officer: Chief Revenue OfficerSale9,332$15
May 11, 2026Glingener Christoph · officer: Chief Technology OfficerSale84,895$15
May 11, 2026Glingener Christoph · officer: Chief Technology OfficerM-Exempt84,895$12
May 11, 2026Glingener Christoph · officer: Chief Technology OfficerM-Exempt41,220$7.01
May 11, 2026Glingener Christoph · officer: Chief Technology OfficerM-Exempt22,277$12
May 11, 2026Glingener Christoph · officer: Chief Technology OfficerSale22,277$15
May 11, 2026Glingener Christoph · officer: Chief Technology OfficerSale41,220$15
Apr 3, 2026STANTON THOMAS R · director, officer: Chairman & CEOA-Award170,723$0.00
Apr 3, 2026Wilson James Denson Jr · officer: Chief Revenue OfficerA-Award24,908$0.00
Apr 3, 2026Santo Timothy P · officer: SVP of Finance; CFOA-Award28,252$0.00
Mar 23, 2026Santo Timothy P · officer: SVP of Finance; CFOF-InKind1,501$12
Mar 5, 2026STANTON THOMAS R · director, officer: Chairman & CEOA-Award39,735$0.00
Mar 5, 2026Jacqueline Hourigan Rice · directorSale14,406$10
Jan 30, 2026Wilson James Denson Jr · officer: Chief Revenue OfficerF-InKind1,309$9.24
Jan 28, 2026Wilson James Denson Jr · officer: Chief Revenue OfficerA-Award3,777$0.00
Jan 28, 2026Wilson James Denson Jr · officer: Chief Revenue OfficerF-InKind1,087$9.24
Jan 28, 2026STANTON THOMAS R · director, officer: Chairman & CEOF-InKind12,407$9.24
Jan 28, 2026STANTON THOMAS R · director, officer: Chairman & CEOA-Award27,973$0.00
Jan 27, 2026Wilson James Denson Jr · officer: Chief Revenue OfficerF-InKind998$9.73
Jan 27, 2026STANTON THOMAS R · director, officer: Chairman & CEOF-InKind17,535$9.55
Jan 27, 2026Wilson James Denson Jr · officer: Chief Revenue OfficerF-InKind1,227$9.55
Jan 27, 2026STANTON THOMAS R · director, officer: Chairman & CEOF-InKind14,409$9.73
Jan 22, 2026Wilson James Denson Jr · officer: Chief Revenue OfficerF-InKind765$9.24
Jan 22, 2026STANTON THOMAS R · director, officer: Chairman & CEOF-InKind10,247$9.24
Jan 5, 2026Nair Balan · directorA-Award13,809$0.00
Institutional positioning

13F filings over the trailing two quarters

New 109Increased 181Reduced 147Sold out 38
FilerActionSharesFiled
BLACKROCK, INC.Reduced7,840,254May 13, 2026
BlackRock, Inc.Reduced7,836,196Aug 7, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCIncreased5,135,649Aug 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position4,771,452May 8, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased3,510,271Aug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position3,426,230May 15, 2026
ROYCE & ASSOCIATES LPIncreased3,127,403May 12, 2026
DNB ASSET MANAGEMENT ASUnchanged3,123,679May 14, 2026
STATE STREET CORPIncreased3,082,794Sep 22, 2026
ROYCE & ASSOCIATES LPReduced2,972,917Aug 14, 2026
UBS Group AGIncreased2,940,724Aug 13, 2026
TWO SIGMA INVESTMENTS, LPIncreased2,896,353Aug 14, 2026
MILLENNIUM MANAGEMENT LLCIncreased2,722,820Aug 14, 2026
JPMORGAN CHASE & COIncreased2,623,057Aug 12, 2026
DnB Asset Management ASReduced2,619,389Aug 11, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Nov 2, 2026