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Liquidia Corp (NASDAQ: LQDA) GC sells 14,738 shares after PSU vesting

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Liquidia general counsel Russell Schundler exercised performance stock units into 10,168 common shares on July 10, 2026, then sold 14,738 shares on July 13 at prices of $71.52 and $71.39 per share under a pre-arranged Rule 10b5-1 plan to cover tax obligations. He continues to hold 605,962 shares directly, 14,500 shares indirectly through his spouse, and unvested RSUs and PSUs from prior grants.

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Insider Schundler Russell
Role General Counsel
Sold 14,738 shs ($1.05M)
Type Security Shares Price Value
Sale Common Stock 1,046 $71.39 $75K
Sale Common Stock 13,692 $71.52 $979K
Exercise Performance Stock Units 3,759 $0.00 --
Exercise Performance Stock Units 6,409 $0.00 --
Exercise Common Stock 3,759 -- --
Exercise Common Stock 6,409 -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 619,654 shares (Direct); Performance Stock Units — 22,550 shares (Direct); Common Stock — 14,500 shares (Indirect, By Spouse)
Footnotes (1)
  1. Performance stock units ("PSUs") convert into common stock on a one-for-one basis. On January 11, 2024, the Reporting Person was granted 60,135 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2025 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 37,585 have vested as of the date of this Form 4. Includes (i) 13,021 unvested restricted stock units ("RSUs") of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 41,300 unvested RSUs of the 110,135 RSUs granted to the Reporting Person on January 11, 2024, (iii) 64,089 unvested RSUS of the 102,543 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) 12,306 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan. On January 11, 2025, the Reporting Person was granted 102,543 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 38,454 have vested as of the date of this Form 4. Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023. These shares of common stock were sold to cover taxes associated with the settlement of RSUs and PSUs that were initially granted to the Reporting Person on January 11, 2023, January 11, 2024 and January 11, 2025. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.
Shares sold 14,738 shares Total common shares sold on July 13, 2026
Sale price per share $71.52 Price for 13,692 shares sold on July 13, 2026
Sale price per share $71.39 Price for 1,046 shares sold on July 13, 2026
Shares acquired via PSU exercises 10,168 shares Common shares received from M-code PSU conversions on July 10, 2026
Direct holdings after transactions 605,962 shares Common stock held directly by the reporting person after July 2026 trades
Indirect holdings by spouse 14,500 shares Common stock held indirectly through spouse as of July 10, 2026
2024 PSU grant 60,135 PSUs Performance stock units granted January 11, 2024; 37,585 vested as of this Form 4
2025 PSU grant 102,543 PSUs Performance stock units granted January 11, 2025; 38,454 vested as of this Form 4
Rule 10b5-1 plan regulatory
"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person..."
A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.
Performance stock units financial
"Performance stock units ("PSUs") convert into common stock on a one-for-one basis."
Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.
restricted stock units financial
"Includes (i) 13,021 unvested restricted stock units ("RSUs") of the 104,167 RSUs granted..."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Employee Stock Purchase Plan financial
"12,306 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."
An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.
pecuniary interest financial
"disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein."

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FAQ

What did Liquidia (LQDA) general counsel Russell Schundler report in this Form 4?

Russell Schundler reported exercising 10,168 performance stock units into Liquidia common shares on July 10, 2026, and selling 14,738 shares on July 13, 2026. The filing describes routine equity compensation settlement and related stock sales.

How many Liquidia (LQDA) shares did Russell Schundler sell, and at what prices?

Schundler sold a total of 14,738 Liquidia common shares on July 13, 2026. The sales were split into 13,692 shares at $71.52 per share and 1,046 shares at $71.39 per share in open-market transactions.

Were Russell Schundler’s Liquidia (LQDA) stock sales under a Rule 10b5-1 plan and why were they made?

Yes. A footnote states the transactions were effected under a Rule 10b5-1 plan adopted on December 15, 2023, and that the shares were sold to cover taxes associated with the settlement of RSUs and PSUs granted in 2023, 2024, and 2025.

How many Liquidia (LQDA) shares does Russell Schundler hold after these transactions?

After the reported activity, Schundler holds 605,962 Liquidia common shares directly. He also reports 14,500 shares held indirectly by his spouse and disclaims beneficial ownership of those securities except to the extent of his pecuniary interest.

What PSUs and RSUs has Russell Schundler received from Liquidia (LQDA)?

Footnotes show PSU grants of 60,135 (37,585 vested) in 2024 and 102,543 (38,454 vested) in 2025, plus unvested RSUs including 13,021, 41,300, 64,089 and 32,955 units from grants between 2023 and 2026, and 12,306 shares from the ESPP.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Schundler Russell

(Last)(First)(Middle)
419 DAVIS DRIVE, SUITE 100

(Street)
MORRISVILLE NORTH CAROLINA 27560

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Liquidia Corp [ LQDA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
General Counsel
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/10/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock07/10/2026M3,759(2)A(1)614,291(3)D
Common Stock07/10/2026M6,409(4)A(1)620,700(3)D
Common Stock07/13/2026S(5)1,046(6)D$71.39619,654(3)D
Common Stock07/13/2026S(5)13,692(6)D$71.52605,962(3)D
Common Stock14,500(7)IBy Spouse
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Performance Stock Units(1)07/10/2026M3,759 (1) (1)Common Stock3,759$022,550D
Performance Stock Units(1)07/10/2026M6,409 (1) (1)Common Stock6,409$064,089D
Explanation of Responses:
1. Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
2. On January 11, 2024, the Reporting Person was granted 60,135 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2025 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 37,585 have vested as of the date of this Form 4.
3. Includes (i) 13,021 unvested restricted stock units ("RSUs") of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 41,300 unvested RSUs of the 110,135 RSUs granted to the Reporting Person on January 11, 2024, (iii) 64,089 unvested RSUS of the 102,543 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) 12,306 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.
4. On January 11, 2025, the Reporting Person was granted 102,543 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 38,454 have vested as of the date of this Form 4.
5. Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.
6. These shares of common stock were sold to cover taxes associated with the settlement of RSUs and PSUs that were initially granted to the Reporting Person on January 11, 2023, January 11, 2024 and January 11, 2025.
7. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.
/s/ Russell Schundler07/14/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)