Who
William Chou
President and CEO
Company insider
Files Form 4 as: President and CEO, Passage Bio.
In numbers
- Trades disclosed
- 13
- Buys
- 0
- Sells
- 1
- Bought
- $0
- Sold
- $150K
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 10 Oct 2022
- Last trade
- 16 Mar 2026
- Last filed
- 18 Mar 2026
Companies traded
Activity over time
1 Jan – 1 Oct
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 16 Mar 2026filed 18 Mar 2026 | PASG Passage Biooption or derivative · Biotechnology | SEC FORM 4 Code A | —58,000 at $0.00 | filing |
| 16 Mar 2026filed 18 Mar 2026 | PASG Passage Biooption or derivative · Biotechnology | SEC FORM 4 Code A | —58,000 at $0.00 | filing |
| 8 Jan 2026filed 12 Jan 2026 | PASG Passage BioBiotechnology | SEC FORM 4 Code M | —10,000 | filing |
| 8 Jan 2026filed 12 Jan 2026 | PASG Passage BioBiotechnology | SEC FORM 4 Sold | $75K4,076 at $18.44 | filing |
| 8 Jan 2026filed 12 Jan 2026 | PASG Passage Biooption or derivative · Biotechnology | SEC FORM 4 Code M | —10,000 at $0.00 | filing |
| 8 Jan 2026filed 12 Jan 2026 | PASG Passage Biooption or derivative · Biotechnology | SEC FORM 4 Code M | —10,000 at $0.00 | filing |
| 8 Jan 2026filed 12 Jan 2026 | PASG Passage BioBiotechnology | SEC FORM 4 Code M | —10,000 | filing |
| 8 Jan 2026filed 12 Jan 2026 | PASG Passage BioBiotechnology | SEC FORM 4 Sold | $75K4,076 at $18.44 | filing |
| 15 Mar 2025filed 18 Mar 2025 | PASG Passage Biooption or derivative · Biotechnology | SEC FORM 4 Code A | —779,533 at $0.00 | filing |
| 15 Jan 2025filed 29 Dec 2025 | PASG Passage Biooption or derivative · Biotechnology | SEC FORM 4 Code A | —20,000 at $0.00 | filing |
| 15 Mar 2024filed 19 Mar 2024 | PASG Passage Biooption or derivative · Biotechnology | SEC FORM 4 Code A | —575,000 at $0.00 | filing |
| 15 Mar 2023filed 5 Apr 2023 | PASG Passage Biooption or derivative · Biotechnology | SEC FORM 4 Code A | —608,615 at $0.00 | filing |
| 10 Oct 2022filed 12 Oct 2022 | PASG Passage Biooption or derivative · Biotechnology | SEC FORM 4 Code A | —885,000 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.