Roger Jeffs - 27 May 2026 Form 4 Insider Report for Liquidia Corp (LQDA)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: LQDA
Reported as of: 27 May 2026
Net transaction value: -$399,712
SEC form: 4
Accepted by SEC: 28 May 2026, 16:30:13 UTC
Prior SEC filing: 26 May 2026
Next SEC filing: 09 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Roger Jeffs

Key filing fact

Roger Jeffs filed Form 4 for Liquidia Corp (LQDA) on 28 May 2026.

Key facts

This page summarizes Roger Jeffs's Form 4 filing for Liquidia Corp (LQDA).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 28 May 2026, 16:30.

Change

Previous filing in this sequence was filed on 26 May 2026.
Current net transaction value: -$399,712.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001231615 Primary reporting owner

JEFFS ROGER

Relationship: Chief Executive Officer, Director
Address: 419 DAVIS DRIVE, SUITE 100, MORRISVILLE
Signature: /s/ Roger Jeffs
Signature date: 28 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LQDA transaction

Common Stock

Sale

Transaction value: $399,712
Shares: -6,428
Change %: -0.61%
Price: $62.18
Shares after: 1,041,667
Date: 27 May 2026
Ownership: See footnote
Footnotes: F3, F4, F5

LQDA holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,137,508
Date: 27 May 2026
Ownership: Direct
Footnotes: F1

LQDA holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 46,595
Date: 27 May 2026
Ownership: See footnote
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 5 footnotes

Footnote F1

Includes (i) 54,281 unvested restricted stock units ("RSUs") of the 289,500 RSUs granted to the Reporting Person on January 11, 2023, (ii) 96,835 unvested RSUs of the 221,338 RSUs granted to the Reporting Person on January 11, 2024, (iii) 157,662 unvested RSUs of the 229,327 RSUs granted to the Reporting Person on January 11, 2025 and (iv) 115,344 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4.

Footnote F2

The securities are held by Roger A. Jeffs Living Trust UAD 2/29/2000 (the "Trust"). The Reporting Person is the trustee of the Trust.

Footnote F3

Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on November 5, 2025.

Footnote F4

Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $59.99 to $63.46. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote.

Footnote F5

The securities are held by Serendipity BioPharma LLC ("Serendipity"). The Reporting Person is a manager of Serendipity and has sole voting and dispositive power over the Issuer common stock held by Serendipity.