Christoph Glingener
Chief Technology Officer · 3 filings · Latest: Aug 10, 2026
ADTRAN Holdings, Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
ADTN | Christoph Glingener | Chief Technology Officer | May 8, 2026 | Sale | $15.00 | 22,277 | $334.2K | 46,645 | |
ADTN | Christoph Glingener | Chief Technology Officer | May 8, 2026 | Option Exercise | $12.17 | 22,277 | $271.1K | 68,922 | |
ADTN | Christoph Glingener | Chief Technology Officer | May 7, 2026 | Sale | $14.95 | 126,115 | $1.9M | 46,645 | |
ADTN | Christoph Glingener | Chief Technology Officer | May 7, 2026 | Option Exercise | $10.48 | 126,115 | $1.3M | 131,540 | |
ADTN | CHRISTOPH GLINGENER | — | May 7, 2026 | Proposed Sale | $15.71 | 148,392 | $2.3M | — |