Who
John Volpone
President
Company insider
Files Form 4 as: President, X4 Pharmaceuticals.
In numbers
- Trades disclosed
- 6
- Buys
- 0
- Sells
- 1
- Bought
- $0
- Sold
- $218K
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 12 Aug 2025
- Last trade
- 12 Aug 2026
- Last filed
- 13 Aug 2026
Companies traded
Activity over time
1 Aug – 1 Oct
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 12 Aug 2026filed 13 Aug 2026 | XFOR X4 PharmaceuticalsBiotechnology | SEC FORM 4 Sold | $109K24,576 at $4.44 | filing |
| 12 Aug 2026filed 13 Aug 2026 | XFOR X4 PharmaceuticalsBiotechnology | SEC FORM 4 Sold | $109K24,576 at $4.44 | filing |
| 29 Oct 2025filed 31 Oct 2025 | XFOR X4 Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —2,329,154 at $0.00 | filing |
| 14 Aug 2025filed 14 Aug 2025 | XFOR X4 Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —529,201 at $0.00 | filing |
| 14 Aug 2025filed 14 Aug 2025 | XFOR X4 PharmaceuticalsBiotechnology | SEC FORM 4 Code A | —289,881 at $0.00 | filing |
| 12 Aug 2025filed 14 Aug 2025 | XFOR X4 Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —1,609,873 at $0.00 | filing |
News
Insider Buying: X4 Pharmaceuticals (NASDAQ:XFOR) Chairman Acquires $11,868.00 in StockXFOR · tickerreport.com · 22 Oct 2026X4 Pharmaceuticals Secures Up to $150MM Senior Debt Facility with K2 HealthVentures - NewsXFOR · abladvisor.com · 12 Oct 2026
0 headlines in the last 90 days name John Volpone; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.