Insider Transactions
Showing insider trading activity for HEIDEN WILLIAM K.
Insider Trading Activity Chart
Visualizing insider transactions on stock price candles
Transaction Type
Insider Role
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Recent Filings
| Symbol | Name | Filed | Transaction | Type | Role | Shares |
|---|---|---|---|---|---|---|
| MGNX | HEIDEN WILLIAM K | 20 May 2026 | 18 May 2026 | M-Exempt | director | 3,750 |
| MGNX | HEIDEN WILLIAM K | 20 May 2026 | 18 May 2026 | M-Exempt | director | 3,750 |
| MGNX | HEIDEN WILLIAM K | 20 May 2026 | 19 May 2026 | A-Award | director | 3,750 |
| MGNX | HEIDEN WILLIAM K | 20 May 2026 | 19 May 2026 | A-Award | director | 22,000 |
| MGNX | HEIDEN WILLIAM K | 21 Aug 2025 | 19 Aug 2025 | P-Purchase | director | 50,500 |
| MGNX | HEIDEN WILLIAM K | 21 Aug 2025 | 20 Aug 2025 | P-Purchase | director | 49,500 |
| ATRA | HEIDEN WILLIAM K | 12 Jun 2025 | 10 Jun 2025 | A-Award | director | 7,828 |
| MGNX | HEIDEN WILLIAM K | 22 May 2025 | 20 May 2025 | M-Exempt | director | 6,500 |
| MGNX | HEIDEN WILLIAM K | 22 May 2025 | 20 May 2025 | M-Exempt | director | 6,500 |
| MGNX | HEIDEN WILLIAM K | 22 May 2025 | 21 May 2025 | A-Award | director | 3,750 |
| MGNX | HEIDEN WILLIAM K | 22 May 2025 | 21 May 2025 | A-Award | director | 22,000 |
| MGNX | HEIDEN WILLIAM K | 23 May 2024 | 21 May 2024 | A-Award | director | 16,500 |
| MGNX | HEIDEN WILLIAM K | 23 May 2024 | 21 May 2024 | A-Award | director | 6,500 |
| MGNX | HEIDEN WILLIAM K | 22 May 2024 | 20 May 2024 | M-Exempt | director | 4,500 |
| MGNX | HEIDEN WILLIAM K | 22 May 2024 | 20 May 2024 | M-Exempt | director | 4,500 |
| ATRA | HEIDEN WILLIAM K | 2 Apr 2024 | 31 Mar 2024 | A-Award | director | 150,000 |
| ATRA | HEIDEN WILLIAM K | 14 Nov 2023 | 10 Nov 2023 | P-Purchase | director | 100,000 |
| ATRA | HEIDEN WILLIAM K | 2 Jun 2023 | 31 May 2023 | A-Award | director | 57,000 |
| ATRA | HEIDEN WILLIAM K | 2 Jun 2023 | 31 May 2023 | A-Award | director | 79,500 |
| MGNX | HEIDEN WILLIAM K | 2 Jun 2023 | 31 May 2023 | A-Award | director | 19,000 |