LQDA

SEC source: 0001104659-23-098425 · tm2325564-3_4seq1.xml · nonDerivative · entry 1

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 380,133

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 37,500 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 14,063 have vested through August 31, 2023.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F4 · balance_after: Includes (i) 104,167 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 1,819 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on August 31, 2023.

SEC source: 0001104659-23-098427 · tm2325564-5_4seq1.xml · derivative · entry 3

Lippe Robert A · CIK 0001600757 · Chief Operations Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 107,880

Underlying: Common Stock · 1,719 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001104659-23-098427 · tm2325564-5_4seq1.xml · nonDerivative · entry 2

Lippe Robert A · CIK 0001600757 · Chief Operations Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 192,567

F5 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 2, 2022.

F4 · shares: These shares were sold to cover taxes associated with the settlement of RSUs.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4, (ii) 10,833 RSUs granted to the Reporting Person on March 18, 2020, 8,802 of which have vested as of the date of this Form 4, and (iii) 1,707 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on August 31, 2023.

SEC source: 0001104659-23-098427 · tm2325564-5_4seq1.xml · nonDerivative · entry 1

Lippe Robert A · CIK 0001600757 · Chief Operations Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 193,072

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 27,500 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 10,313 have vested through August 31, 2023.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4, (ii) 10,833 RSUs granted to the Reporting Person on March 18, 2020, 8,802 of which have vested as of the date of this Form 4, and (iii) 1,707 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on August 31, 2023.

SEC source: 0001104659-23-098424 · tm2325564-2_4seq1.xml · derivative · entry 2

Kaseta Michael · CIK 0001724346 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,990

Underlying: Common Stock · 2,344 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F1 · derivative.exercise_date: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F1 · derivative.expiration_date: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

SEC source: 0001104659-23-098424 · tm2325564-2_4seq1.xml · nonDerivative · entry 1

Kaseta Michael · CIK 0001724346 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,657

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 37,500 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 14,063 have vested through August 31, 2023.

F1 · price: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F3 · balance_after: Includes (i) 124,667 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 1,716 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on August 31, 2023.

SEC source: 0001104659-23-098423 · tm2325564-1_4seq1.xml · derivative · entry 3

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,452

Underlying: Common Stock · 1,562 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001104659-23-098423 · tm2325564-1_4seq1.xml · nonDerivative · entry 2

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,452

F5 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 13, 2022.

F4 · shares: These shares were sold to cover taxes associated with the settlement of RSUs.

F3 · balance_after: Includes (i) 25,000 RSUs granted to the Reporting Person on July 6, 2023, none of which have vested as of the date of this Form 4 and (ii) 1,819 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on August 31, 2023. Prior to this filing, the Reporting Person had a total of 50,516 securities beneficially owned, not the previously erroneously disclosed number of 58,704 filed per the Reporting Person's Form 4 on July 7, 2023.

SEC source: 0001104659-23-098423 · tm2325564-1_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,897

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 25,000 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 9,375 have vested through August 31, 2023.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · balance_after: Includes (i) 25,000 RSUs granted to the Reporting Person on July 6, 2023, none of which have vested as of the date of this Form 4 and (ii) 1,819 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on August 31, 2023. Prior to this filing, the Reporting Person had a total of 50,516 securities beneficially owned, not the previously erroneously disclosed number of 58,704 filed per the Reporting Person's Form 4 on July 7, 2023.

SEC source: 0001104659-23-098426 · tm2325564-4_4seq1.xml · derivative · entry 3

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,071

Underlying: Common Stock · 1,875 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001104659-23-098426 · tm2325564-4_4seq1.xml · nonDerivative · entry 2

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,404

F5 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 13, 2022.

F4 · shares: These shares were sold to cover taxes associated with the settlement of RSUs.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 1,798 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on August 31, 2023.

SEC source: 0001104659-23-098426 · tm2325564-4_4seq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,941

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 30,000 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 11,250 have vested through August 31, 2023.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 1,798 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on August 31, 2023.

SEC source: 0001104659-23-079224 · tm2320868-1_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,704

F1 · shares: On July 6, 2023, the Reporting Person was granted 25,000 restricted stock units ("RSUs"). 25% of the RSUs will vest on July 25, 2024, and the remaining RSUs will vest ratably on a quarterly basis over three years thereafter. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F2 · balance_after: Includes (i) 29,249 shares of the Issuer's commons stock which were acquired from previously vested RSUs and performance stock units ("PSUs") and (ii) 4,455 shares of the Issuer's common stock from purchases under the Issuer's employee stock purchase plan ("ESPP").

SEC source: 0001104659-23-073396 · tm2317720d10_4seq1.xml · derivative · entry 1

SINGH RAMAN · CIK 0001747589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2033-06-19

F1 · derivative.exercise_date: The option vests in 36 equal monthly installments and will become fully vested on June 19, 2026.

SEC source: 0001104659-23-073393 · tm2317720-7_4seq1.xml · derivative · entry 1

Manning Paul B · CIK 0001494695 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2033-06-19

F1 · derivative.exercise_date: The option vests in 36 equal monthly installments and will become fully vested on June 19, 2026.

SEC source: 0001104659-23-073391 · tm2317720-5_4seq1.xml · derivative · entry 1

Kirsch Arthur S · CIK 0001290976 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2033-06-19

F1 · derivative.exercise_date: The option vests in 36 equal monthly installments and will become fully vested on June 19, 2026.

SEC source: 0001104659-23-073394 · tm2317720-8_4seq1.xml · derivative · entry 1

Bloch Stephen M · CIK 0001400308 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2033-06-19

F1 · derivative.exercise_date: The option vests in 36 equal monthly installments and will become fully vested on June 19, 2026.

SEC source: 0001104659-23-073392 · tm2317720-6_4seq1.xml · derivative · entry 1

Horobin Joanna · CIK 0001560959 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2033-06-19

F1 · derivative.exercise_date: The option vests in 36 equal monthly installments and will become fully vested on June 19, 2026.

SEC source: 0000902664-23-003669 · ownership.xml · derivative · entry 1

JOHNSON DAVID EDWARD · CIK 0001785557 · Director · 10% owner · See Remarks

Caligan Partners LP · CIK 0001727492 · Director · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2033-06-19

F1 · derivative.exercise_date: The option vests in 36 equal monthly installments and will become fully vested on June 19, 2026.

F2 · balance_after: Mr. Johnson is deemed to hold the securities reported herein for the benefit of certain affiliated funds (the "Caligan Funds") to which Caligan Partners LP ("Caligan") serves as investment manager and a managed account to which Caligan serves as a consultant, and may, after vesting, if applicable, transfer the securities directly to such Caligan Funds or managed account.

F2 · ownership.direct: Mr. Johnson is deemed to hold the securities reported herein for the benefit of certain affiliated funds (the "Caligan Funds") to which Caligan Partners LP ("Caligan") serves as investment manager and a managed account to which Caligan serves as a consultant, and may, after vesting, if applicable, transfer the securities directly to such Caligan Funds or managed account.

SEC source: 0001104659-23-073395 · tm2317720-9_4seq1.xml · derivative · entry 1

Rielly-Gauvin Katherine · CIK 0001791718 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2033-06-19

F1 · derivative.exercise_date: The option vests in 36 equal monthly installments and will become fully vested on June 19, 2026.

SEC source: 0001104659-23-073397 · tm2317720-11_4seq1.xml · derivative · entry 1

deGoa Damian · CIK 0001836165 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2033-06-19

F1 · derivative.exercise_date: The option vests in 36 equal monthly installments and will become fully vested on June 19, 2026.

SEC source: 0001104659-23-067644 · tm2317720-3_4seq1.xml · derivative · entry 3

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,781

Underlying: Common Stock · 2,344 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001104659-23-067644 · tm2317720-3_4seq1.xml · nonDerivative · entry 1

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 375,970

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 37,500 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 11,719 have vested through May 31, 2023.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F4 · balance_after: Includes (i) 104,167 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 4,738 shares previously acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-23-067643 · tm2317720-2_4seq1.xml · derivative · entry 3

Lippe Robert A · CIK 0001600757 · Chief Operations Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,906

Underlying: Common Stock · 1,719 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001104659-23-067643 · tm2317720-2_4seq1.xml · nonDerivative · entry 2

Lippe Robert A · CIK 0001600757 · Chief Operations Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 189,646

F5 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 2, 2022.

F4 · shares: These shares were sold to cover taxes associated with the settlement of RSUs.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 4,241 shares previously acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-23-067643 · tm2317720-2_4seq1.xml · nonDerivative · entry 1

Lippe Robert A · CIK 0001600757 · Chief Operations Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 190,243

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 27,500 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 8,594 have vested through May 31, 2023.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 4,241 shares previously acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-23-067642 · tm2317720-1_4seq1.xml · derivative · entry 2

Kaseta Michael · CIK 0001724346 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,781

Underlying: Common Stock · 2,344 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F1 · derivative.exercise_date: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F1 · derivative.expiration_date: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

SEC source: 0001104659-23-067642 · tm2317720-1_4seq1.xml · nonDerivative · entry 1

Kaseta Michael · CIK 0001724346 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,597

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 37,500 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 11,719 have vested through May 31, 2023.

F1 · price: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F3 · balance_after: Includes (i) 124,667 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 4,261 shares previously acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-23-067645 · tm2317720-4_4seq1.xml · derivative · entry 3

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,625

Underlying: Common Stock · 1,875 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001104659-23-067645 · tm2317720-4_4seq1.xml · nonDerivative · entry 2

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 102,268

F5 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 13, 2022.

F4 · shares: These shares were sold to cover taxes associated with the settlement of RSUs.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 4,732 shares previously acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-23-067645 · tm2317720-4_4seq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 102,919

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 30,000 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 9,375 have vested through May 31, 2023.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 4,732 shares previously acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-23-028108 · tm238435-1_4seq1.xml · derivative · entry 3

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,125

Underlying: Common Stock · 9,375 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001104659-23-028108 · tm238435-1_4seq1.xml · nonDerivative · entry 1

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 373,626

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 37,500 RSUs with 25% vesting on February 28, 2023, and the remaining RSUs will vest ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 9,375 have vested through February 28, 2023.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F4 · balance_after: Includes (i) 104,167 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 2,572 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on February 28, 2023.

SEC source: 0001104659-23-028113 · tm238435-4_4seq1.xml · derivative · entry 3

Lippe Robert A · CIK 0001600757 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,625

Underlying: Common Stock · 6,875 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001104659-23-028113 · tm238435-4_4seq1.xml · nonDerivative · entry 2

Lippe Robert A · CIK 0001600757 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,524

F4 · shares: These shares were sold to cover taxes associated with the settlement of RSUs.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 2,323 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on February 28, 2023.

SEC source: 0001104659-23-028113 · tm238435-4_4seq1.xml · nonDerivative · entry 1

Lippe Robert A · CIK 0001600757 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 190,557

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 27,500 RSUs with 25% vesting on February 28, 2023, and the remaining RSUs will vest ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 6,875 have vested through February 28, 2023.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 2,323 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on February 28, 2023.

SEC source: 0001104659-23-028112 · tm238435-3_4seq1.xml · derivative · entry 2

Kaseta Michael · CIK 0001724346 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,125

Underlying: Common Stock · 9,375 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F1 · derivative.exercise_date: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F1 · derivative.expiration_date: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

SEC source: 0001104659-23-028112 · tm238435-3_4seq1.xml · nonDerivative · entry 1

Kaseta Michael · CIK 0001724346 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174,253

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 37,500 RSUs with 25% vesting on February 28, 2023, and the remaining RSUs will vest ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 9,375 have vested through February 28, 2023.

F1 · price: Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

F3 · balance_after: Includes (i) 124,667 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 2,334 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on February 28, 2023.

SEC source: 0001104659-23-028110 · tm238435-2_4seq1.xml · derivative · entry 3

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,500

Underlying: Common Stock · 7,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001104659-23-028110 · tm238435-2_4seq1.xml · nonDerivative · entry 2

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,984

F4 · shares: These shares were sold to cover taxes associated with the settlement of RSUs.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 2,512 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on February 28, 2023.

SEC source: 0001104659-23-028110 · tm238435-2_4seq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,155

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 30,000 RSUs with 25% vesting on February 28, 2023, and the remaining RSUs will vest ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 7,500 have vested through February 28, 2023.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 2,512 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on February 28, 2023.

SEC source: 0001104659-23-043618 · tm2311744-6_4aseq1.xml · derivative · entry 3

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,500

Underlying: Common Stock · 7,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001104659-23-043618 · tm2311744-6_4aseq1.xml · nonDerivative · entry 2

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,044

F4 · shares: These shares were sold to cover taxes associated with the settlement of RSUs.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 2,572 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on February 28, 2023.

SEC source: 0001104659-23-043618 · tm2311744-6_4aseq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,215

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On January 16, 2022, the Reporting Person was granted 30,000 RSUs with 25% vesting on February 28, 2023, and the remaining RSUs will vest ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 7,500 have vested through February 28, 2023.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · balance_after: Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (ii) 2,572 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on February 28, 2023.

SEC source: 0001104659-23-003879 · tm232332-2_4seq1.xml · derivative · entry 3

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,547

Underlying: Common Stock · 133,547 shares

Expires 2033-01-11

F4 · derivative.exercise_date: The options will vest ratably on a monthly basis over four years with the first vesting date to occur on February 11, 2023 and on the last day of each month thereafter.

SEC source: 0001104659-23-003879 · tm232332-2_4seq1.xml · nonDerivative · entry 1

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 361,679

F1 · kind: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: 25% of the RSUs shall vest on January 11, 2024 and the remaining RSUs shall vest ratably on a quarterly basis over three years thereafter.

SEC source: 0001104659-23-003883 · tm232332-6_4seq1.xml · derivative · entry 2

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,838

Underlying: Common Stock · 106,838 shares

Expires 2033-01-11

F3 · derivative.exercise_date: The options will vest ratably on a monthly basis over four years with the first vesting date to occur on February 11, 2023 and on the last day of each month thereafter.

SEC source: 0001104659-23-003883 · tm232332-6_4seq1.xml · nonDerivative · entry 1

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,167

F1 · kind: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: 25% of the RSUs shall vest on January 11, 2024 and the remaining RSUs shall vest ratably on a quarterly basis over three years thereafter.

SEC source: 0001104659-23-003881 · tm232332-4_4seq1.xml · derivative · entry 4

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 371,154

Underlying: Common Stock · 371,154 shares

Expires 2033-01-11

F3 · derivative.exercise_date: The options will vest ratably on a monthly basis over four years with the first vesting date to occur on February 11, 2023 and on the last day of each month thereafter.

SEC source: 0001104659-23-003881 · tm232332-4_4seq1.xml · nonDerivative · entry 1

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 496,749

F1 · kind: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: 25% of the RSUs shall vest on January 11, 2024 and the remaining RSUs shall vest ratably on a quarterly basis over three years thereafter.