Glingener Christoph has filed 14 insider transactions across 1 company since May 2023.
Most recent transaction: a option exercise of 22277 shares of ADTRAN Holdings, Inc. ($ADTN) on May 08, 2026.
Activity breakdown: 0 open-market purchases and 3 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 8, 2026 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | M | Stock Option | 22277 | $0.00 | 85,383.0000 | 80,115,995 | 20.69% | 0.03% |
| May 7, 2026 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | S | Common Stock | 84895 | $15.06 | 46,645.0000 | 80,115,995 | 64.54% | 0.11% |
| May 8, 2026 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | M | Common Stock | 22277 | $12.17 | 68,922.0000 | 80,115,995 | 47.76% | 0.03% |
| May 8, 2026 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | S | Common Stock | 22277 | $15.00 | 46,645.0000 | 80,115,995 | 32.32% | 0.03% |
| May 7, 2026 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | M | Stock Option | 41220 | $0.00 | 85,383.0000 | 80,115,995 | 32.56% | 0.05% |
| May 7, 2026 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | M | Stock Options | 84895 | $0.00 | 22,277.0000 | 80,115,995 | 79.21% | 0.11% |
| May 7, 2026 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | M | Common Stock | 41220 | $7.01 | 87,865.0000 | 80,115,995 | 88.37% | 0.05% |
| May 7, 2026 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | S | Common Stock | 41220 | $14.73 | 46,645.0000 | 80,115,995 | 46.91% | 0.05% |
| May 7, 2026 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | M | Common Stock | 84895 | $12.17 | 131,540.0000 | 80,115,995 | 182.00% | 0.11% |
| Jan. 24, 2025 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | A | Common Stock | 13870 | $0.00 | 46,645.0000 | 0 | 42.32% | 0.00% |
| Jan. 24, 2025 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | A | Common Stock | 13907 | $0.00 | 32,775.0000 | 0 | 73.71% | 0.00% |
| May 24, 2024 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | F | Common Stock | 801 | $5.27 | 18,868.0000 | 0 | 4.07% | 0.00% |
| Jan. 26, 2024 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | A | Common Stock | 12044 | $0.00 | 19,669.0000 | 0 | 157.95% | 0.00% |
| May 24, 2023 | ADTRAN Holdings, Inc. | $ADTN | Glingener Christoph | Chief Technology Officer | A | Common Stock | 7625 | $0.00 | 7,625.0000 | 0 | 9999.99% | 0.00% |