Scott Moomaw - 23 Mar 2026 Form 4 Insider Report for Liquidia Corp (LQDA)

Reporting relationship: Chief Commercial Officer
Issuer ticker: LQDA
Reported as of: 23 Mar 2026
Net transaction value: -$673,752
SEC form: 4
Accepted by SEC: 25 Mar 2026, 16:30:15 UTC
Prior SEC filing: 11 Mar 2026
Next SEC filing: 14 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Scott Moomaw

Key filing fact

Scott Moomaw filed Form 4 for Liquidia Corp (LQDA) on 25 Mar 2026.

Key facts

This page summarizes Scott Moomaw's Form 4 filing for Liquidia Corp (LQDA).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 25 Mar 2026, 16:30.

Change

Previous filing in this sequence was filed on 11 Mar 2026.
Current net transaction value: -$673,752.

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 0001832592 Primary reporting owner

Moomaw Scott

Relationship: Chief Commercial Officer
Address: 419 DAVIS DRIVE, SUITE 100, MORRISVILLE
Signature: /s/ Scott Moomaw
Signature date: 25 Mar 2026

Reported non-derivative transactions

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

LQDA transaction

Common Stock

Sale

Transaction value: $47,935
Shares: -1,314
Change %: -0.7%
Price: $36.48
Shares after: 187,640
Date: 23 Mar 2026
Ownership: Direct
Footnotes: F1, F2

LQDA transaction

Common Stock

Options Exercise

Transaction value
Shares: +17,000
Change %: +9.1%
Price: $3.40^*
Shares after: 204,640
Date: 23 Mar 2026
Ownership: Direct
Footnotes: F1

LQDA transaction

Common Stock

Sale

Transaction value: $625,818
Shares: -17,000
Change %: -8.3%
Price: $36.81
Shares after: 187,640
Date: 23 Mar 2026
Ownership: Direct
Footnotes: F1, F2, F3, F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

LQDA transaction Derivative

Incentive Stock Option (right to buy)

Options Exercise

Transaction value
Shares: -17,000
Change %: -67%
Price: $0.000000^*
Shares after: 8,300
Date: 23 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 17,000
Exercise price: $3.40
Footnotes: F5

^* 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) 20,833 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 24,861 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 52,296 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 2,650 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

Footnote F2

Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on November 7, 2025.

Footnote F3

Represents the subsequent sale of the underlying shares from the exercise of stock options reported on this Form 4.

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 $36.13 to $37.20. 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 option vested with 25% vesting on November 19, 2021 and the remaining options vesting ratably on a monthly basis over three years thereafter and became fully vested on November 19, 2024.