LQDA

SEC source: 0001104659-24-083560 · tm2420396-1_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,393

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on July 6, 2023.

F3 · balance_after: Includes (i) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 18,750 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 8,059 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-081516 · tm2419910-1_4seq1.xml · nonDerivative · entry 1

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 208,329

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on July 18, 2022.

F3 · balance_after: Includes (i) 23,458 unvested RSUs of the 93,834 RSUs granted to the Reporting Person on July 18, 2022, (ii) 52,082 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (iii) 56,492 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iv) 3,604 shares of common stock acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-079925 · tm2419492-3_4seq1.xml · nonDerivative · entry 1

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 485,676

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 65,104 unvested RSUs of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 110,135 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,342 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-079924 · tm2419492-2_4seq1.xml · nonDerivative · entry 1

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 210,202

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 29,323 unvested RSUs of the 93,834 RSUs granted to the Reporting Person on July 18, 2022, (ii) 52,082 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (iii) 56,492 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iv) 3,604 shares of common stock acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-079928 · tm2419492-6_4seq1.xml · nonDerivative · entry 1

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 818,932

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 180,937 unvested RSUs of the 289,500 RSUs granted to the Reporting Person on January 11, 2023, (ii) 221,338 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, and (iii) 7,169 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-079923 · tm2419492-1_4seq1.xml · nonDerivative · entry 1

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 312,389

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 77,917 unvested RSUs of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 93,250 and 50,000 unvested RSUs granted to the Reporting Person on January 11, 2024 and January 15, 2024, respectively, none of which have vested as of the date of this Form 4 and (iii) 7,730 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-079926 · tm2419492-4_4seq1.xml · nonDerivative · entry 2

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 115,226

F4 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F5 · shares: These shares were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 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 (iii) 8,059 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-079927 · tm2419492-5_4seq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 151,682

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 52,082 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 49,723 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,315 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-079926 · tm2419492-4_4seq1.xml · derivative · entry 3

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,062

Underlying: Common Stock · 3,907 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: 0001104659-24-079926 · tm2419492-4_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 116,372

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 11, 2023, the Reporting Person was granted 62,500 RSUs with 25% of the RSUs vesting on the one-year anniversary of the date of grant and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 23,438 have vested through July 11, 2024.

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) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 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 (iii) 8,059 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-074475 · tm2418154-8_4seq1.xml · nonDerivative · entry 1

SINGH RAMAN · CIK 0001747589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,359

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

F2 · shares: The RSUs shall vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the day prior to the Issuer's next annual shareholder meeting following the date of grant.

SEC source: 0001104659-24-074473 · tm2418154-6_4seq1.xml · nonDerivative · entry 1

Manning Paul B · CIK 0001494695 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 299,689

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

F2 · shares: The RSUs shall vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the day prior to the Issuer's next annual shareholder meeting following the date of grant.

SEC source: 0001104659-24-074472 · tm2418154-5_4seq1.xml · nonDerivative · entry 1

Kirsch Arthur S · CIK 0001290976 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,359

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

F2 · shares: The RSUs shall vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the day prior to the Issuer's next annual shareholder meeting following the date of grant.

SEC source: 0001104659-24-074468 · tm2418154-1_4seq1.xml · nonDerivative · entry 1

Bloch Stephen M · CIK 0001400308 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,359

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

F2 · shares: The RSUs shall vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the day prior to the Issuer's next annual shareholder meeting following the date of grant.

SEC source: 0001104659-24-074470 · tm2418154-3_4seq1.xml · nonDerivative · entry 1

Horobin Joanna · CIK 0001560959 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,359

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

F2 · shares: The RSUs shall vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the day prior to the Issuer's next annual shareholder meeting following the date of grant.

SEC source: 0001104659-24-074471 · tm2418154-4_4seq1.xml · nonDerivative · 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: 20,359

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

F2 · shares: The RSUs shall vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the day prior to the Issuer's next annual shareholder meeting following the date of grant.

F3 · 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.

F3 · 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: 0001104659-24-074474 · tm2418154-7_4seq1.xml · nonDerivative · entry 1

Rielly-Gauvin Katherine · CIK 0001791718 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,359

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

F2 · shares: The RSUs shall vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the day prior to the Issuer's next annual shareholder meeting following the date of grant.

SEC source: 0001104659-24-074469 · tm2418154-2_4seq1.xml · nonDerivative · entry 1

deGoa Damian · CIK 0001836165 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,075

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

F2 · shares: The RSUs shall vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the day prior to the Issuer's next annual shareholder meeting following the date of grant.

SEC source: 0001104659-24-068420 · tm2416451-2_4seq1.xml · nonDerivative · entry 2

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 487,661

F4 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F5 · shares: These shares of common stock were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 16, 2022.

F3 · balance_after: Includes (i) 71,615 unvested RSUs of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 110,135 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,342 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-068422 · tm2416451-4_4seq1.xml · nonDerivative · entry 2

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 316,295

F4 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F5 · shares: These shares of common stock were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 16, 2022.

F3 · balance_after: Includes (i) 85,708 unvested RSUs of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 93,250 and 50,000 unvested RSUs granted to the Reporting Person on January 11, 2024 and January 15, 2024, respectively, none of which have vested as of the date of this Form 4 and (iii) 7,730 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-068421 · tm2416451-3_4seq1.xml · nonDerivative · entry 2

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 112,465

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

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

F3 · balance_after: Includes (i) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 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 (iii) 8,059 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-068418 · tm2416451-1_4seq1.xml · nonDerivative · entry 2

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 153,210

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) 57,291 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 49,723 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,315 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-068420 · tm2416451-2_4seq1.xml · derivative · entry 4

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,406

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: 0001104659-24-068420 · tm2416451-2_4seq1.xml · nonDerivative · entry 1

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 488,371

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 21,904 have vested through May 31, 2024.

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

F3 · balance_after: Includes (i) 71,615 unvested RSUs of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 110,135 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,342 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-068422 · tm2416451-4_4seq1.xml · derivative · entry 3

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,406

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: 0001104659-24-068422 · tm2416451-4_4seq1.xml · nonDerivative · entry 1

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 317,389

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 21,904 have vested through May 31, 2024.

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

F3 · balance_after: Includes (i) 85,708 unvested RSUs of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 93,250 and 50,000 unvested RSUs granted to the Reporting Person on January 11, 2024 and January 15, 2024, respectively, none of which have vested as of the date of this Form 4 and (iii) 7,730 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-068421 · tm2416451-3_4seq1.xml · derivative · entry 3

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,937

Underlying: Common Stock · 1,563 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: 0001104659-24-068421 · tm2416451-3_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 112,920

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% of the RSUs vesting on February 28, 2023 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 14,063 have vested through May 31, 2024.

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) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 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 (iii) 8,059 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-068418 · tm2416451-1_4seq1.xml · derivative · entry 3

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,125

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: 0001104659-24-068418 · tm2416451-1_4seq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 153,756

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 16,875 have vested through February 29, 2024.

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) 57,291 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 49,723 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,315 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-050664 · tm2411915-7_4seq1.xml · nonDerivative · entry 1

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 211,672

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on July 18, 2022.

F3 · balance_after: Includes (i) 29,323 unvested RSUs of the 93,834 RSUs granted to the Reporting Person on July 18, 2022, (ii) 57,291 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (iii) 56,492 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iv) 3,604 shares of common stock acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-047412 · tm2411915-1_4seq1.xml · nonDerivative · entry 2

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 111,537

F4 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F5 · shares: These shares were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 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 (iii) 8,059 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-047894 · tm2411915-6_4seq1.xml · nonDerivative · entry 1

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 486,027

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 71,615 unvested RSUs of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 110,135 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,342 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-047891 · tm2411915-5_4seq1.xml · nonDerivative · entry 1

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 213,321

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 35,188 unvested RSUs of the 93,834 RSUs granted to the Reporting Person on July 18, 2022, (ii) 57,291 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (iii) 56,492 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iv) 3,604 shares of common stock acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-047885 · tm2411915-2_4seq1.xml · nonDerivative · entry 1

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 826,985

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 199,031 unvested RSUs of the 289,500 RSUs granted to the Reporting Person on January 11, 2023, (ii) 221,338 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, and (iii) 7,169 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-047887 · tm2411915-3_4seq1.xml · nonDerivative · entry 1

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 315,045

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 85,708 unvested RSUs of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 143,250 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, and (iii) 7,730 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-047890 · tm2411915-4_4seq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 151,881

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 57,291 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 49,723 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,315 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-047412 · tm2411915-1_4seq1.xml · derivative · entry 3

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,969

Underlying: Common Stock · 3,906 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: 0001104659-24-047412 · tm2411915-1_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 112,546

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 11, 2023, the Reporting Person was granted 62,500 RSUs with 25% of the RSUs vesting on the one-year anniversary of the date of grant and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 19,531 have vested through April 11, 2024.

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) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 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 (iii) 8,059 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-036349 · tm247887-7_4seq1.xml · nonDerivative · entry 3

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 488,087

F4 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F6 · shares: These shares of common stock were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 78,125 unvested RSUs of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 110,135 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,342 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-036349 · tm247887-7_4seq1.xml · nonDerivative · entry 2

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 496,025

F4 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F5 · shares: These shares of common stock were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 16, 2022.

F3 · balance_after: Includes (i) 78,125 unvested RSUs of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 110,135 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,342 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-036346 · tm247887-6_4seq1.xml · nonDerivative · entry 2

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 214,846

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F3 · shares: These shares of common stock were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 11, 2023.

F4 · balance_after: Includes (i) 40,638 unvested RSUs of the 93,834 RSUs granted to the Reporting Person on July 18, 2022, (ii) 62,499 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (iii) 56,492 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iv) 3,604 shares of common stock acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-036346 · tm247887-6_4seq1.xml · nonDerivative · entry 1

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 220,722

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on July 28, 2022.

F4 · balance_after: Includes (i) 40,638 unvested RSUs of the 93,834 RSUs granted to the Reporting Person on July 18, 2022, (ii) 62,499 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (iii) 56,492 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iv) 3,604 shares of common stock acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-036345 · tm247887-3_4seq1.xml · nonDerivative · entry 1

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 835,345

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F2 · shares: These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 205,062 unvested RSUs of the 289,500 RSUs granted to the Reporting Person on January 11, 2023, (ii) 221,338 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, and (iii) 7,169 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-036347 · tm247887-4_4seq1.xml · nonDerivative · entry 3

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 318,181

F4 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F6 · shares: These shares of common stock were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 11, 2023.

F3 · balance_after: Includes (i) 93,500 unvested RSUs of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 143,250 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, and (iii) 7,730 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-036347 · tm247887-4_4seq1.xml · nonDerivative · entry 2

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 329,496

F4 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F5 · shares: These shares of common stock were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 16, 2022.

F3 · balance_after: Includes (i) 93,500 unvested RSUs of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 143,250 unvested RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, and (iii) 7,730 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-036353 · tm247887-8_4seq1.xml · derivative · entry 6

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 260 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: 0001104659-24-036353 · tm247887-8_4seq1.xml · nonDerivative · entry 4

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 108,640

F7 · kind: These shares were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on March 18, 2020.

F8 · shares: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 4, 2020.

F4 · balance_after: Includes (i) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 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 (iii) 8,059 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-036353 · tm247887-8_4seq1.xml · nonDerivative · entry 3

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 108,716

F5 · kind: These shares were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 11, 2023.

F6 · shares: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F4 · balance_after: Includes (i) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 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 (iii) 8,059 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-036353 · tm247887-8_4seq1.xml · nonDerivative · entry 2

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,297

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 11, 2023, the Reporting Person was granted 62,500 RSUs with 25% of the RSUs vesting on the one-year anniversary of the date of grant and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 15,625 have vested through March 15, 2024.

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) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 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 (iii) 8,059 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.