LQDA

SEC source: 0001104659-25-003475 · tm253294-5_4seq1.xml · nonDerivative · entry 1

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 276,637

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, 2026 and the remaining RSUs shall vest ratably on a quarterly basis over three years thereafter.

F3 · balance_after: Includes (i) 17,594 unvested RSUs of the 93,834 RSUs granted to the Reporting Person on July 18, 2022, (ii) 41,666 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (iii) 42,369 unvested RSUs of the 56,492 RSUs granted to the Reporting Person on January 11, 2024 and (iv) 4,918 shares of common stock acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-25-003465 · tm253294-1_4seq1.xml · derivative · entry 5

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 229,327

Underlying: Common Stock · 229,327 shares

Expires not disclosed

F8 · derivative.exercise_price: Each performance stock unit ("PSU") converts into one share of the Issuer's common stock.

F9 · derivative.exercise_date: On January 11, 2025, the Reporting Person was granted 229,327 PSUs. The PSUs shall vest upon the later of (A) the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter, and (B) the first commercial sale of YUTREPIA by the Issuer.

F9 · derivative.expiration_date: On January 11, 2025, the Reporting Person was granted 229,327 PSUs. The PSUs shall vest upon the later of (A) the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter, and (B) the first commercial sale of YUTREPIA by the Issuer.

SEC source: 0001104659-25-003465 · tm253294-1_4seq1.xml · nonDerivative · entry 1

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,041,520

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, 2026 and the remaining RSUs shall vest ratably on a quarterly basis over three years thereafter.

F3 · balance_after: Includes (i) 144,750 unvested RSUs of the 289,500 RSUs granted to the Reporting Person on January 11, 2023, (ii) 166,003 unvested RSUs of the 221,338 RSUs granted to the Reporting Person on January 11, 2024 and (iii) 8,483 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-25-003470 · tm253294-3_4seq1.xml · derivative · entry 3

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 112,797

Underlying: Common Stock · 112,797 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance stock unit ("PSU") converts into one share of the Issuer's common stock.

F7 · derivative.exercise_date: On January 11, 2025, the Reporting Person was granted 112,797 PSUs. The PSUs shall vest upon the later of (A) the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter, and (B) the first commercial sale of YUTREPIA by the Issuer.

F7 · derivative.expiration_date: On January 11, 2025, the Reporting Person was granted 112,797 PSUs. The PSUs shall vest upon the later of (A) the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter, and (B) the first commercial sale of YUTREPIA by the Issuer.

SEC source: 0001104659-25-003470 · tm253294-3_4seq1.xml · nonDerivative · entry 1

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 425,125

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, 2026 and the remaining RSUs shall vest ratably on a quarterly basis over three years thereafter.

F3 · balance_after: Includes (i) 62,333 unvested RSUs of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 69,937 unvested RSUs of the 93,250 RSUs granted to the Reporting Person on January 11, 2024, (iii) 37,500 unvested RSUs of the 50,000 RSUs granted to the Reporting Person on January 15, 2024 and (iv) 9,044 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-25-003468 · tm253294-2_4seq1.xml · derivative · entry 4

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,895

Underlying: Common Stock · 61,895 shares

Expires not disclosed

F7 · derivative.exercise_price: Each performance stock unit ("PSU") converts into one share of the Issuer's common stock.

F8 · derivative.exercise_date: On January 11, 2025, the Reporting Person was granted 61,895 PSUs. The PSUs shall vest upon the later of (A) the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter, and (B) the first commercial sale of YUTREPIA by the Issuer.

F8 · derivative.expiration_date: On January 11, 2025, the Reporting Person was granted 61,895 PSUs. The PSUs shall vest upon the later of (A) the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter, and (B) the first commercial sale of YUTREPIA by the Issuer.

SEC source: 0001104659-25-003468 · tm253294-2_4seq1.xml · nonDerivative · entry 2

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 185,024

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.

F4 · shares: On January 11, 2023, the Reporting Person was granted 62,500 RSUs with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 31,250 have vested through January 11, 2025.

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) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 29,691 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-25-003468 · tm253294-2_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 181,118

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, 2026 and the remaining RSUs shall vest ratably on a quarterly basis over three years thereafter.

F3 · balance_after: Includes (i) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 29,691 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-25-003473 · tm253294-4_4seq1.xml · derivative · entry 3

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 69,729

Underlying: Common Stock · 69,729 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance stock unit ("PSU") converts into one share of the Issuer's common stock.

F7 · derivative.exercise_date: On January 11, 2025, the Reporting Person was granted 69,729 PSUs. The PSUs shall vest upon the later of (A) the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter, and (B) the first commercial sale of YUTREPIA by the Issuer.

F7 · derivative.expiration_date: On January 11, 2025, the Reporting Person was granted 69,729 PSUs. The PSUs shall vest upon the later of (A) the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter, and (B) the first commercial sale of YUTREPIA by the Issuer.

SEC source: 0001104659-25-003473 · tm253294-4_4seq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 223,856

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, 2026 and the remaining RSUs shall vest ratably on a quarterly basis over three years thereafter.

F3 · balance_after: Includes (i) 41,666 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 37,292 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024 and (iii) 9,629 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-125247 · tm2430104-2_4seq1.xml · nonDerivative · entry 2

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 487,328

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) 58,594 unvested RSUs of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 110,135 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) 9,656 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-125248 · tm2430104-3_4seq1.xml · nonDerivative · entry 2

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 312,328

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) 70,125 unvested RSUs of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 93,250 RSUs and 50,000 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) 9,044 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-125246 · tm2430104-1_4seq1.xml · nonDerivative · entry 2

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 119,223

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) 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) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-125249 · tm2430104-4_4seq1.xml · nonDerivative · entry 2

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 154,127

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) 46,874 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) 9,629 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-125247 · tm2430104-2_4seq1.xml · derivative · entry 4

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,719

Underlying: Common Stock · 2,343 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: 0001104659-24-125247 · tm2430104-2_4seq1.xml · nonDerivative · entry 1

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 488,391

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 vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 25,781 have vested through November 30, 2024.

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

F3 · balance_after: Includes (i) 58,594 unvested RSUs of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 110,135 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) 9,656 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-125248 · tm2430104-3_4seq1.xml · derivative · entry 3

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,719

Underlying: Common Stock · 2,343 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: 0001104659-24-125248 · tm2430104-3_4seq1.xml · nonDerivative · entry 1

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 313,419

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 vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 25,781 have vested through November 30, 2024.

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

F3 · balance_after: Includes (i) 70,125 unvested RSUs of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 93,250 RSUs and 50,000 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) 9,044 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-125246 · tm2430104-1_4seq1.xml · derivative · entry 3

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,812

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: 0001104659-24-125246 · tm2430104-1_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 119,678

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 January 16, 2023 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 17,188 have vested through November 30, 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) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-125249 · tm2430104-4_4seq1.xml · derivative · entry 3

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,375

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: 0001104659-24-125249 · tm2430104-4_4seq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 154,673

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 vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 20,625 have vested through November 30, 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) 46,874 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) 9,629 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-112283 · tm2427063-1_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 118,115

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) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-121037 · tm2428936d1_4a.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 118,115

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

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) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-110565 · tm2426648-1_4seq1.xml · nonDerivative · entry 1

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 204,857

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) 17,594 unvested RSUs of the 93,834 RSUs granted to the Reporting Person on July 18, 2022, (ii) 46,874 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) 4,918 shares of common stock acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-108769 · tm2426238-6_4seq1.xml · nonDerivative · entry 1

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 486,048

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) 58,594 unvested RSUs of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 110,135 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) 9,656 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-108768 · tm2426238-5_4seq1.xml · nonDerivative · entry 1

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 207,383

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) 23,458 unvested RSUs of the 93,834 RSUs granted to the Reporting Person on July 18, 2022, (ii) 46,874 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) 4,918 shares of common stock acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-108765 · tm2426238-2_4seq1.xml · nonDerivative · entry 1

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 812,193

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) 162,844 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) 8,483 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-108766 · tm2426238-3_4seq1.xml · nonDerivative · entry 1

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 311,076

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) 70,125 unvested RSUs of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 93,250 RSUs and 50,000 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) 9,044 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-108764 · tm2426238-1_4seq1.xml · nonDerivative · entry 2

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 118,574

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 December 15, 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) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-108767 · tm2426238-4_4seq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 152,798

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) 46,874 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) 9,629 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-108764 · tm2426238-1_4seq1.xml · derivative · entry 3

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,156

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: 0001104659-24-108764 · tm2426238-1_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 119,720

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 January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 27,344 have vested through October 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) 18,750 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0000902664-24-005485 · ownership.xml · nonDerivative · entry 1

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

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

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,118,592

F1 · ownership.nature: Securities held by certain funds (the "Caligan Funds") and managed accounts (the "Caligan Accounts", and together with the Caligan Funds, the "Caligan Funds and Accounts") to which Caligan Partners LP ("Caligan") serves as investment manager and related entities. David Johnson ("Mr. Johnson", and together with Caligan, the "Reporting Persons") is the Managing Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0001104659-24-100179 · tm2424167-1_4seq1.xml · nonDerivative · entry 1

Manning Paul B · CIK 0001494695 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 816,311

F1 · kind: Represents shares of common stock purchased by the Reporting Person at the public offering price in connection with the Issuer's underwritten public offering of common stock, which closed on September 12, 2024, and such shares of common stock are subject to a lock up agreement between the Reporting Person and BofA Securities, Inc., pursuant to which the shares cannot be sold for 90 days following September 11, 2024.

F2 · ownership.nature: The securities are held by BKB Growth Investments, LLC ("BKB"). The Reporting Person is a co-manager of Tiger Lily Capital, LLC ("Tiger Lily"), the manager of BKB, and has shared voting and investment power with respect to the shares held by BKB.

SEC source: 0001104659-24-096918 · tm2423338-4_4seq1.xml · nonDerivative · entry 2

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 488,624

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) 65,104 unvested RSUs of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 110,135 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) 9,656 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-096915 · tm2423338-2_4seq1.xml · nonDerivative · entry 2

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 314,968

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) 77,917 unvested RSUs of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 93,250 RSUs and 50,000 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) 9,044 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-096912 · tm2423338-1_4seq1.xml · nonDerivative · entry 2

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 115,814

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) 18,750 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-096917 · tm2423338-3_4seq1.xml · nonDerivative · entry 2

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 154,325

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) 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) 9,629 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-096918 · tm2423338-4_4seq1.xml · derivative · entry 4

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,062

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: 0001104659-24-096918 · tm2423338-4_4seq1.xml · nonDerivative · entry 1

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 489,334

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 vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 23,438 have vested through August 30, 2024.

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

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 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) 9,656 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-096915 · tm2423338-2_4seq1.xml · derivative · entry 3

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,062

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: 0001104659-24-096915 · tm2423338-2_4seq1.xml · nonDerivative · entry 1

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 316,047

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 vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 23,438 have vested through August 30, 2024.

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

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 RSUs and 50,000 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) 9,044 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0000902664-24-005425 · ownership.xml · nonDerivative · entry 3

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

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

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,994,997

F4 · kind: Represents a transaction between the Caligan Funds.

F3 · ownership.nature: Securities held by certain funds (the "Caligan Funds") and managed accounts (the "Caligan Accounts", and together with the Caligan Funds, the "Caligan Funds and Accounts") to which Caligan serves as investment manager and related entities. David Johnson ("Mr. Johnson", and together with Caligan, the "Reporting Persons") is the Managing Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0000902664-24-005425 · ownership.xml · nonDerivative · entry 2

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

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

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,844,997

F4 · kind: Represents a transaction between the Caligan Funds.

F3 · ownership.nature: Securities held by certain funds (the "Caligan Funds") and managed accounts (the "Caligan Accounts", and together with the Caligan Funds, the "Caligan Funds and Accounts") to which Caligan serves as investment manager and related entities. David Johnson ("Mr. Johnson", and together with Caligan, the "Reporting Persons") is the Managing Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0000902664-24-005425 · ownership.xml · nonDerivative · entry 1

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

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

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,994,997

F1 · kind: This transaction represents a pro-rata in-kind distribution by a Caligan Fund (as defined below) to limited partners for no consideration effected as of the close of trading on August 30, 2024. The shares of Common Stock were not disposed of in a sale transaction.

F1 · price: This transaction represents a pro-rata in-kind distribution by a Caligan Fund (as defined below) to limited partners for no consideration effected as of the close of trading on August 30, 2024. The shares of Common Stock were not disposed of in a sale transaction.

F2 · balance_after: Effective as of the close of trading on August 30, 2024, a consulting arrangement with a managed account to which Caligan (as defined below) served as a consultant (the "Consulting Arrangement") was terminated pursuant to its terms, and accordingly, 845,000 shares of Common Stock which were previously reported by the Reporting Persons (as defined below) that were subject to the Consulting Arrangement are no longer reported herein. The ommon Stock were not disposed of in a sale transaction. 75,000 shares of Common Stock that were previously subject to the Consulting Arrangement were received by Caligan pursuant to amounts due under the terms of the Consulting Arrangement and continue to be reported herein.

F3 · ownership.nature: Securities held by certain funds (the "Caligan Funds") and managed accounts (the "Caligan Accounts", and together with the Caligan Funds, the "Caligan Funds and Accounts") to which Caligan serves as investment manager and related entities. David Johnson ("Mr. Johnson", and together with Caligan, the "Reporting Persons") is the Managing Partner of Caligan and a Managing Member of Caligan Partners GP LLC, the general partner of Caligan.

SEC source: 0001104659-24-096912 · tm2423338-1_4seq1.xml · derivative · entry 3

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,375

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: 0001104659-24-096912 · tm2423338-1_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 116,269

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 15,625 have vested through August 30, 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) 18,750 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-24-096917 · tm2423338-3_4seq1.xml · derivative · entry 3

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,250

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: 0001104659-24-096917 · tm2423338-3_4seq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 154,871

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 18,750 have vested through August 30, 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) 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) 9,629 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.