SEC Form 4 · accession 0001231919-26-000779
Parabilis Medicines, Inc. · PBLS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owners
RA Capital Healthcare Fund LP
Director · 10% Owner
RA CAPITAL MANAGEMENT, L.P.
Director · 10% Owner
Peter Kolchinsky
Director · 10% Owner
Rajeev M. Shah
Director · 10% Owner
RA Capital Nexus Fund III, L.P.
Director
Period of report
Jul 20, 2026
Accepted (ET)
Jul 22, 2026 · 4:55 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001657677
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Voting Common StockF1,F2,F3 | Jul 20, 2026 | P | 98,433 | $27.13 | A | 26,383,526 | I | See footnotes |
| Voting Common StockF4,F2,F3 | Jul 20, 2026 | P | 32,987 | $27.72 | A | 26,416,513 | I | See footnotes |
| Voting Common StockF5,F2,F3 | Jul 21, 2026 | P | 21,696 | $27.96 | A | 26,438,209 | I | See footnotes |
| Voting Common StockF6,F2,F3 | Jul 21, 2026 | P | 6,504 | $29.17 | A | 26,444,713 | I | See footnotes |
| Voting Common StockF7,F2,F3 | Jul 21, 2026 | P | 37,723 | $30.00 | A | 26,482,436 | I | See footnotes |
| Voting Common StockF8,F2,F3 | Jul 22, 2026 | P | 47,250 | $29.77 | A | 26,529,686 | I | See footnotes |
| Voting Common StockF2,F9 | holding | — | — | — | 2,648,278 | I | See footnotes |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $26.53 to $27.50 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
- F2RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund") and RA Capital Nexus Fund III, L.P. (the "Nexus Fund III"). The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. Each of the Adviser, the Adviser GP, the Fund, the Nexus Fund III, Dr. Kolchinsky and Mr. Shah disclaims beneficial ownership of any of the reported securities, except to the extent of its or his respective pecuniary interest therein.
- F3Held directly by the Fund.
- F4The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $27.55 to $27.87 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
- F5The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $27.46 to $28.34 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
- F6The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $28.83 to $29.79 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
- F7The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $29.97 to $30.00 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
- F8The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $29.35 to $30.00 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
- F9Held directly by Nexus Fund III.
Remarks
Dr. Jake Simson, a Partner of the Adviser, serves on the Issuer's board of directors.