SEC Form 4 · accession 0000902664-26-002852
Liquidia Corp · LQDA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owners
Caligan Partners LP
Director · 10% Owner · Other
David Edward Johnson
Director · 10% Owner
Period of report
Jun 16, 2026
Accepted (ET)
Jun 18, 2026 · 5:30 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001819576
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock, $0.001 par value per share ("Common Stock")F2,F3 | Jun 16, 2026 | A | 5,882 | $0.00 | A | 5,882 | D | |
| Common StockF4 | holding | — | — | — | 8,157,347 | I | See footnote |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Restricted stock units ("RSUs") convert into Common Stock on a one-for-one basis.
- F2The RSUs shall vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the day prior to the Issuer's next annual shareholder meeting following the date of grant.
- F3David Johnson ("Mr. Johnson") is deemed to hold the securities reported herein for the benefit of certain funds (the "Caligan Funds") and managed accounts (the "Caligan Accounts", and together with the Caligan Funds, the "Caligan Funds and Accounts") to which Caligan Partners LP ("Caligan") serves as investment manager, and may, after vesting, if applicable, transfer the securities directly to such Caligan Funds and Accounts.
- F4Securities held by the Caligan Funds and Accounts to which Caligan serves as investment manager and related entities. Mr. Johnson (together with Caligan, the "Reporting Persons") is the Managing Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.
Remarks
Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of its or his pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. Caligan may be deemed to be a director by deputization of the Issuer by virtue of the fact that Mr. Johnson currently serves on the Issuer's board of directors.