Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Glingener Christoph
Over the trailing 90 days, Glingener Christoph (Other at ADTRAN Holdings, Inc.) traded $3.8M of stock (net selling $627K) in ADTN, per 10 SEC Form 4 transactions.
- Role
- Other
- Companies
- ADTN
- Window
- Trailing 90 days · 10 transactions · CIK 1943622
- Net activity
- −$627K ($1.6M bought · $2.2M sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| ADTN | ADTRAN Holdings, Inc. | 10 | $1.6M | $2.2M | −$627K |
Transactions (10)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-07-24 | ADTN | Buy | 9.4K | $0 | Grant, award or other acquisition |
| 2026-05-08 | ADTN | Sell | 22.3K | $334K | Open market or private sale |
| 2026-05-08 | ADTN | Buy | 22.3K | $271K | Exercise or conversion of derivative security |
| 2026-05-08 | ADTN | Sell | 22.3K | $0 | Exercise or conversion of derivative security |
| 2026-05-07 | ADTN | Buy | 84.9K | $1.0M | Exercise or conversion of derivative security |
| 2026-05-07 | ADTN | Sell | 41.2K | $607K | Open market or private sale |
| 2026-05-07 | ADTN | Buy | 41.2K | $289K | Exercise or conversion of derivative security |
| 2026-05-07 | ADTN | Sell | 84.9K | $1.3M | Open market or private sale |
| 2026-05-07 | ADTN | Sell | 41.2K | $0 | Exercise or conversion of derivative security |
| 2026-05-07 | ADTN | Sell | 84.9K | $0 | Exercise or conversion of derivative security |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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