Company · CIK 0000926282 · SIC 3661 — Telephone & Telegraph Apparatus · Nasdaq
ADTRAN Holdings, Inc. · ADTN
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 10, 2026 AForm 4 → | Aug 10, 4:01 pm EDT | Christoph GlingenerChief Technology Officer | 27,924 | — | — | 83,953 | — | |
| Aug 6, 2026 PForm 4 → | Aug 7, 4:00 pm EDT | Timothy P SantoSVP of Finance; CFO | 6,579 | $7.60 | $50,000 | 59,924 | +12.3% | |
| Jul 24, 2026 AForm 4 → | Jul 28, 4:01 pm EDT | Christoph GlingenerChief Technology Officer | 9,384 | — | — | 56,029 | — | |
| Jul 1, 2026 AForm 4 → | Jul 6, 4:02 pm EDT | Anne DelSantoDirector | 4,399 | — | — | 4,399 | — |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.