Langenbacher Stefano 内部人交易：近期 SEC Form 4 交易
过去 18 个月，Langenbacher Stefano（CIK 2015428）在 1 家公司共报告 20 笔 SEC Form 4 内部人交易（最近一笔 2026-09-15）。
| 日期 | 公司 | 身份 | 类型 | 股数 | 市值 |
|---|---|---|---|---|---|
| 2026-09-15 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 买入 | 44,491 | $0 |
| 2026-09-15 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 卖出 | 19,262 | $95,347 |
| 2026-08-14 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 卖出 | 221 | $1,604 |
| 2026-08-14 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 买入 | 592 | $0 |
| 2026-06-15 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 买入 | 44,491 | $0 |
| 2026-06-15 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 卖出 | 19,708 | $168,109 |
| 2026-05-14 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 买入 | 592 | $0 |
| 2026-05-14 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 卖出 | 256 | $2,222 |
| 2026-03-13 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 买入 | 57,836 | $0 |
| 2026-03-13 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 卖出 | 25,620 | $156,282 |
| 2026-02-17 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 买入 | 592 | $0 |
| 2026-02-17 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 卖出 | 252 | $1,716 |
| 2025-12-15 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 买入 | 1,817 | $0 |
| 2025-12-15 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 卖出 | 804 | $6,086 |
| 2025-11-14 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 买入 | 2,368 | $0 |
| 2025-11-14 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 卖出 | 693 | $6,556 |
| 2025-09-15 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 买入 | 1,817 | $0 |
| 2025-09-15 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 卖出 | 804 | $13,933 |
| 2025-06-13 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 卖出 | 15,977 | $28,599 |
| 2025-06-13 | Vivid Seats Inc. (SEAT) | Chief Technology Officer | 买入 | 36,337 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-15