STOCK TITAN

Liquidia (NASDAQ: LQDA) director sells 55K shares in 10b5-1 trades

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Liquidia Corp (LQDA) director Katherine Rielly-Gauvin reported a two-day option exercise and share sale sequence under a Rule 10b5-1 trading plan. On August 19–20, 2026, she exercised non-qualified stock options for a total of 55,182 shares of common stock at exercise prices of $2.51 and $2.59 per share, and sold 55,182 shares of common stock in open-market transactions. The reported sales were at volume-weighted average prices of $74.9941 (range $73.28–$76.37) and $72.2273 (range $71.00–$74.35). Her reported holdings include 5,882 restricted stock units granted on June 16, 2026, none of which had vested as of this filing.

Positive

  • None.

Negative

  • None.
Insider Rielly-Gauvin Katherine
Role Director
Sold 55,182 shs ($4.09M)
Approx. gross sale proceeds $4.09M
Approx. exercise cost $140K
Approx. pre-tax spread $3.95M
Type Security Shares Price Value
Exercise Non-Qualified Stock Option (right to buy) F5 11,727 $0.00 $0.00
Exercise Non-Qualified Stock Option (right to buy) F6 6,666 $0.00 $0.00
Exercise Common Stock F1 11,727 $2.51 $29K
Exercise Common Stock F1 6,666 $2.59 $17K
Sale Common Stock F2, F4, F1 18,393 $72.2273 $1.33M
Exercise Non-Qualified Stock Option (right to buy) F5 23,455 $0.00 $0.00
Exercise Non-Qualified Stock Option (right to buy) F6 13,334 $0.00 $0.00
Exercise Common Stock F1 23,455 $2.51 $59K
Exercise Common Stock F1 13,334 $2.59 $35K
Sale Common Stock F2, F3, F1 36,789 $74.9941 $2.76M
Holdings After Transaction: Non-Qualified Stock Option (right to buy) — 0 shares (Direct); Common Stock — 44,637 shares (Direct)
Footnotes (6)
  1. F1. Includes 5,882 restricted stock units granted to the Reporting Person on June 16, 2026, none of which have vested as of the date of this Form 4.
  2. F2. Represents the subsequent sale of the underlying shares from the exercise of stock options reported on this Form 4.
  3. F3. Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $73.28 to $76.37. 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.
  4. F4. Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $71.00 to $74.35. 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.
  5. F5. The option vested in four equal quarterly installments and became fully vested on December 31, 2021.
  6. F6. The option vested in 36 equal monthly installments and became fully vested on August 20, 2024.
Total shares sold 55,182 shares Open-market or private sales on August 19–20, 2026
Total shares acquired via option exercises 55,182 shares Exercises of non-qualified stock options on August 19–20, 2026
Option exercise price $2.51 per share Non-qualified stock option exercised into common stock
Option exercise price $2.59 per share Non-qualified stock option exercised into common stock
VWAP sale price August 19, 2026 $74.9941 per share Volume-weighted average price; range $73.28–$76.37
VWAP sale price August 20, 2026 $72.2273 per share Volume-weighted average price; range $71.00–$74.35
Unvested restricted stock units 5,882 units RSUs granted June 16, 2026, none vested as of this Form 4
Non-Qualified Stock Option financial
"security_title: "Non-Qualified Stock Option (right to buy)""
A non-qualified stock option (NSO) is a contract that lets an employee or service provider buy company shares at a fixed price for a set period, like a voucher to purchase stock later at today’s price. It matters to investors because exercising NSOs creates ordinary income for the holder and can increase share count, affecting a company’s earnings and ownership mix; think of it as a future sale that can dilute existing shareholders and has immediate tax consequences for the recipient.
volume weighted average price financial
"Price is the volume weighted average price of all transactions"
The volume weighted average price (VWAP) is a way to measure the average price of a security, such as a stock, over a specific period, taking into account how many units were traded at each price. It’s similar to calculating the average cost of items bought when some are more frequently purchased than others. Investors use VWAP to assess whether a security is being bought or sold at a fair price during trading.
restricted stock units financial
"Includes 5,882 restricted stock units granted to the Reporting Person"
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.
Rule 10b5-1 trading plan regulatory
"transactions affirmed under a trading plan via the Rule 10b5-1 checkbox"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
non-derivative financial
"transaction_type: "non-derivative" for common stock entries"

FAQ

What insider transactions did LQDA director Katherine Rielly-Gauvin report?

She reported exercising non-qualified stock options for 55,182 shares of Liquidia Corp common stock on August 19–20, 2026, and selling 55,182 shares of common stock in open-market transactions on the same dates.

At what prices were the Liquidia Corp (LQDA) options exercised and shares sold?

The options were exercised at $2.51 and $2.59 per share. The subsequent sales used volume-weighted average prices of $74.9941 (range $73.28–$76.37) on August 19, 2026, and $72.2273 (range $71.00–$74.35) on August 20, 2026.

How many Liquidia Corp (LQDA) shares did the director sell in this Form 4?

The filing reports open-market or private sales totaling 55,182 shares of Liquidia Corp common stock over August 19–20, 2026, corresponding to shares acquired through option exercises reported in the same Form 4.

Were the LQDA insider transactions made under a Rule 10b5-1 trading plan?

Yes. The filing indicates that the transactions reported by director Katherine Rielly-Gauvin were made under a Rule 10b5-1 trading plan, meaning they were effected pursuant to a pre-arranged trading agreement.

What unvested equity awards does the LQDA director still have from this filing?

Her reported holdings include 5,882 restricted stock units granted on June 16, 2026, and the filing states that none of these RSUs had vested as of the Form 4 date.

What were the vesting terms of the Liquidia Corp options exercised in this Form 4?

One option vested in four equal quarterly installments and became fully vested on December 31, 2021. Another vested in 36 equal monthly installments and became fully vested on August 20, 2024, before the exercises reported here.

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Learn about SEC filing dates
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*
Rielly-Gauvin Katherine

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/19/2026
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 Stock08/19/2026M23,455A$2.5168,092(1)D
Common Stock08/19/2026M13,334A$2.5981,426(1)D
Common Stock08/19/2026S(2)36,789D$74.9941(3)44,637(1)D
Common Stock08/20/2026M11,727A$2.5156,364(1)D
Common Stock08/20/2026M6,666A$2.5963,030(1)D
Common Stock08/20/2026S(2)18,393D$72.2273(4)44,637(1)D
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
Non-Qualified Stock Option (right to buy)$2.5108/19/2026M23,45512/31/2021(5)03/24/2031Common Stock23,455$011,727D
Non-Qualified Stock Option (right to buy)$2.5908/19/2026M13,33408/20/2024(6)08/20/2031Common Stock13,334$06,666D
Non-Qualified Stock Option (right to buy)$2.5108/20/2026M11,72712/31/2021(5)03/24/2031Common Stock11,727$00D
Non-Qualified Stock Option (right to buy)$2.5908/20/2026M6,66608/20/2024(6)08/20/2031Common Stock6,666$00D
Explanation of Responses:
1. Includes 5,882 restricted stock units granted to the Reporting Person on June 16, 2026, none of which have vested as of the date of this Form 4.
2. Represents the subsequent sale of the underlying shares from the exercise of stock options reported on this Form 4.
3. Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $73.28 to $76.37. 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.
4. Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $71.00 to $74.35. 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.
5. The option vested in four equal quarterly installments and became fully vested on December 31, 2021.
6. The option vested in 36 equal monthly installments and became fully vested on August 20, 2024.
/s/ Katherine Rielly-Gauvin08/21/2026
** 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)