X4 Pharmaceuticals, Inc (XFOR) has 4 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 3 sales totalling $356K. Most recent filing: Aug. 13, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Aug. 13, 2026 filed Aug. 12, 2026 | Volpone John President | −$109,228 | 24,576 | −8% | No | |
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| Aug. 13, 2026 filed Aug. 12, 2026 | Craig Adam R Executive Chairman | −$210,829 | 47,436 | −13% | No | |
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| July 1, 2026 filed June 30, 2026 | KIRSKE DAVID Chief Financial Officer | −$36,428 | 8,543 | −5% | No | |
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| July 1, 2026 | Gold Kelly Director | $0 | 110,000 | 0% | No | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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