LQDA

SEC source: 0001104659-26-115650 · tm2627530-9_4seq1.xml · nonDerivative · entry 3

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 602,841

F5 · 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 and PSUs that were initially granted to the Reporting Person on January 11, 2023, January 11, 2024 and January 11, 2025.

F3 · balance_after: Includes (i) 6,510 unvested restricted stock units ("RSUs") of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 34,417 unvested RSUs of the 110,135 RSUs granted to the Reporting Person on January 11, 2024, (iii) 57,680 unvested RSUS of the 102,543 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,710 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115649 · tm2627530-8_4seq1.xml · nonDerivative · entry 3

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 126,368

F5 · 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 and PSUs that were initially granted to the Reporting Person on January 11, 2023, January 11, 2024 and January 11, 2025.

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

F3 · balance_after: Includes (i) 5,208 unvested restricted stock units ("RSUs") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 17,654 unvested RSUs of the 56,492 RSUs granted to the Reporting Person on January 11, 2024, (iii) 40,376 unvested RSUs of the 71,780 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 3,054 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115648 · tm2627530-7_4seq1.xml · nonDerivative · entry 3

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 181,487

F5 · 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 and PSUs that were initially granted to the Reporting Person on January 11, 2023, January 11, 2024 and January 11, 2025.

F3 · balance_after: Includes (i) 5,208 unvested restricted stock units ("RSUs") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 15,538 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 39,222 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 3,049 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115647 · tm2627530-6_4seq1.xml · nonDerivative · entry 2

Krepp Sarah · CIK 0002074990 · Chief Human Resource Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 115,241

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 and PSUs that were initially granted to the Reporting Person on January 11, 2024, July 1, 2024, January 11, 2025 and July 1, 2025.

F3 · balance_after: Includes (i) 17,957 unvested restricted stock units ("RSUs") of the 61,465 RSUs granted to the Reporting Person on January 11, 2024, (ii) 5,451 unvested RSUs of the 12,459 RSUs granted to the Reporting Person on July 1, 2024, (iii) 28,609 unvested RSUs of the 50,861 RSUs granted to the Reporting Person on January 11, 2025, (iv) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 1, 2025 and (v) 23,728 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4, and (vi) 404 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115646 · tm2627530-5_4seq1.xml · nonDerivative · entry 1

Khindri Sanjeev · CIK 0002104932 · Chief Development Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 64,846

F1 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 9, 2026.

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 February 10, 2025.

F3 · balance_after: Includes (i) 23,120 unvested RSUs of the 36,992 RSUs granted to the Reporting Person on February 10, 2025 and (ii) 34,274 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4.

SEC source: 0001104659-26-115644 · tm2627530-4_4seq1.xml · nonDerivative · entry 3

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 340,148

F5 · 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 and PSUs that were initially granted to the Reporting Person on January 11, 2023, January 11, 2024, January 15, 2024 and January 11, 2025.

F3 · balance_after: Includes (i) 7,792 unvested restricted stock units ("RSUs") of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 29,140 unvested RSUs and 15,625 unvested RSUs of the 93,250 RSUs and 50,000 RSUs granted to the Reporting Person on January 11, 2024 and January 15, 2024, respectively, (iii) 63,448 unvested RSUs of the 112,797 RSUs granted to the Reporting Person on January 11, 2025, (iv) 59,320 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 3,054 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan ("ESPP").

SEC source: 0001104659-26-115642 · tm2627530-3_4seq1.xml · nonDerivative · entry 3

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,125,848

F5 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F6 · shares: These shares were sold to cover taxes associated with the settlement of RSUs and PSUs that were initially granted to the Reporting Person on January 11, 2023, January 11, 2024 and January 11, 2025.

F3 · balance_after: Includes (i) 18,094 unvested restricted stock units ("RSUs") of the 289,500 RSUs granted to the Reporting Person on January 11, 2023, (ii) 69,168 unvested RSUs of the 221,338 RSUs granted to the Reporting Person on January 11, 2024, (iii) 128,996 unvested RSUs of the 229,327 RSUs granted to the Reporting Person on January 11, 2025 and (iv) 115,344 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4.

SEC source: 0001104659-26-115641 · tm2627530-2_4seq1.xml · nonDerivative · entry 2

Boyle Dana · CIK 0002074453 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 165,609

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 and PSUs that were initially granted to the Reporting Person on January 11, 2024, January 11, 2025 and July 1, 2025.

F3 · balance_after: Includes (i) 6,250 unvested restricted stock units ("RSUs") of the 50,000 RSUs granted to the Reporting Person on January 25, 2023, (ii) 17,838 unvested RSUs of the 57,085 RSUs granted to the Reporting Person on January 11, 2024, (iii) 28,609 unvested RSUs of the 50,861 RSUs granted to the Reporting Person on January 11, 2025, (iv) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 1, 2025, (v) 23,728 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (vi) 4,368 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115640 · tm2627530-1_4seq1.xml · nonDerivative · entry 4

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 177,957

F7 · kind: Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

F8 · shares: These shares of common stock were sold to cover taxes associated with the settlement of RSUs and PSUs that were initially granted to the Reporting Person on January 11, 2023, January 11, 2024 and January 11, 2025.

F3 · balance_after: Includes (i) 6,250 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 12,371 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 34,816 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,427 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115650 · tm2627530-9_4seq1.xml · derivative · entry 6

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,680

Underlying: Common Stock · 6,409 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115650 · tm2627530-9_4seq1.xml · derivative · entry 5

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,792

Underlying: Common Stock · 3,758 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115650 · tm2627530-9_4seq1.xml · nonDerivative · entry 2

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 616,533

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, 2025, the Reporting Person was granted 102,543 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 44,863 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 6,510 unvested restricted stock units ("RSUs") of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 34,417 unvested RSUs of the 110,135 RSUs granted to the Reporting Person on January 11, 2024, (iii) 57,680 unvested RSUS of the 102,543 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,710 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115650 · tm2627530-9_4seq1.xml · nonDerivative · entry 1

Schundler Russell · CIK 0001854414 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 610,124

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, 2024, the Reporting Person was granted 60,135 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2025 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 41,343 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 6,510 unvested restricted stock units ("RSUs") of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 34,417 unvested RSUs of the 110,135 RSUs granted to the Reporting Person on January 11, 2024, (iii) 57,680 unvested RSUS of the 102,543 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,710 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115649 · tm2627530-8_4seq1.xml · derivative · entry 6

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,376

Underlying: Common Stock · 4,480 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115649 · tm2627530-8_4seq1.xml · derivative · entry 5

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,654

Underlying: Common Stock · 3,530 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115649 · tm2627530-8_4seq1.xml · nonDerivative · entry 2

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 135,586

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, 2025, the Reporting Person was granted 71,780 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 31,404 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 5,208 unvested restricted stock units ("RSUs") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 17,654 unvested RSUs of the 56,492 RSUs granted to the Reporting Person on January 11, 2024, (iii) 40,376 unvested RSUs of the 71,780 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 3,054 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115649 · tm2627530-8_4seq1.xml · nonDerivative · entry 1

Saggar Rajeev · CIK 0001935638 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 131,100

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, 2024, the Reporting Person was granted 56,492 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2025 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 38,838 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 5,208 unvested restricted stock units ("RSUs") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 17,654 unvested RSUs of the 56,492 RSUs granted to the Reporting Person on January 11, 2024, (iii) 40,376 unvested RSUs of the 71,780 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 3,054 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115648 · tm2627530-7_4seq1.xml · derivative · entry 5

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,222

Underlying: Common Stock · 4,358 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115648 · tm2627530-7_4seq1.xml · derivative · entry 4

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,538

Underlying: Common Stock · 3,108 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115648 · tm2627530-7_4seq1.xml · nonDerivative · entry 2

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 190,350

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, 2025, the Reporting Person was granted 69,729 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 30,507 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 5,208 unvested restricted stock units ("RSUs") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 15,538 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 39,222 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 3,049 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115648 · tm2627530-7_4seq1.xml · nonDerivative · entry 1

Moomaw Scott · CIK 0001832592 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 185,992

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, 2024, the Reporting Person was granted 49,723 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2025 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 34,185 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 5,208 unvested restricted stock units ("RSUs") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 15,538 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 39,222 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 3,049 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115647 · tm2627530-6_4seq1.xml · derivative · entry 3

Krepp Sarah · CIK 0002074990 · Chief Human Resource Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,609

Underlying: Common Stock · 3,178 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115647 · tm2627530-6_4seq1.xml · nonDerivative · entry 1

Krepp Sarah · CIK 0002074990 · Chief Human Resource Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 120,486

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, 2025, the Reporting Person was granted 50,861 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 22,252 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 17,957 unvested restricted stock units ("RSUs") of the 61,465 RSUs granted to the Reporting Person on January 11, 2024, (ii) 5,451 unvested RSUs of the 12,459 RSUs granted to the Reporting Person on July 1, 2024, (iii) 28,609 unvested RSUs of the 50,861 RSUs granted to the Reporting Person on January 11, 2025, (iv) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 1, 2025 and (v) 23,728 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4, and (vi) 404 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115644 · tm2627530-4_4seq1.xml · derivative · entry 5

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 63,448

Underlying: Common Stock · 7,049 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115644 · tm2627530-4_4seq1.xml · derivative · entry 4

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,140

Underlying: Common Stock · 5,828 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115644 · tm2627530-4_4seq1.xml · nonDerivative · entry 2

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 359,086

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, 2025, the Reporting Person was granted 112,797 PSUs with 25% of the PSUs vesting on January 11, 2026 and the remaining PSUs vesting ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 49,349 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 7,792 unvested restricted stock units ("RSUs") of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 29,140 unvested RSUs and 15,625 unvested RSUs of the 93,250 RSUs and 50,000 RSUs granted to the Reporting Person on January 11, 2024 and January 15, 2024, respectively, (iii) 63,448 unvested RSUs of the 112,797 RSUs granted to the Reporting Person on January 11, 2025, (iv) 59,320 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 3,054 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan ("ESPP").

SEC source: 0001104659-26-115644 · tm2627530-4_4seq1.xml · nonDerivative · entry 1

Kaseta Michael · CIK 0001724346 · CFO and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 352,037

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, 2024, the Reporting Person was granted 93,250 PSUs with 25% of the PSUs vesting on January 11, 2025 and the remaining PSUs vesting ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 64,110 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 7,792 unvested restricted stock units ("RSUs") of the 124,667 RSUs granted to the Reporting Person on January 11, 2023, (ii) 29,140 unvested RSUs and 15,625 unvested RSUs of the 93,250 RSUs and 50,000 RSUs granted to the Reporting Person on January 11, 2024 and January 15, 2024, respectively, (iii) 63,448 unvested RSUs of the 112,797 RSUs granted to the Reporting Person on January 11, 2025, (iv) 59,320 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 3,054 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan ("ESPP").

SEC source: 0001104659-26-115642 · tm2627530-3_4seq1.xml · derivative · entry 7

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 128,996

Underlying: Common Stock · 14,333 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115642 · tm2627530-3_4seq1.xml · derivative · entry 6

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 69,168

Underlying: Common Stock · 13,833 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115642 · tm2627530-3_4seq1.xml · nonDerivative · entry 2

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,158,592

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, 2025, the Reporting Person was granted 229,327 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs vesting ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 100,331 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 18,094 unvested restricted stock units ("RSUs") of the 289,500 RSUs granted to the Reporting Person on January 11, 2023, (ii) 69,168 unvested RSUs of the 221,338 RSUs granted to the Reporting Person on January 11, 2024, (iii) 128,996 unvested RSUs of the 229,327 RSUs granted to the Reporting Person on January 11, 2025 and (iv) 115,344 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4.

SEC source: 0001104659-26-115642 · tm2627530-3_4seq1.xml · nonDerivative · entry 1

JEFFS ROGER · CIK 0001231615 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,144,259

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, 2024, the Reporting Person was granted 221,338 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2025 and the remaining PSUs vesting ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 152,170 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 18,094 unvested restricted stock units ("RSUs") of the 289,500 RSUs granted to the Reporting Person on January 11, 2023, (ii) 69,168 unvested RSUs of the 221,338 RSUs granted to the Reporting Person on January 11, 2024, (iii) 128,996 unvested RSUs of the 229,327 RSUs granted to the Reporting Person on January 11, 2025 and (iv) 115,344 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4.

SEC source: 0001104659-26-115641 · tm2627530-2_4seq1.xml · derivative · entry 3

Boyle Dana · CIK 0002074453 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,609

Underlying: Common Stock · 3,178 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: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

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

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

SEC source: 0001104659-26-115641 · tm2627530-2_4seq1.xml · nonDerivative · entry 1

Boyle Dana · CIK 0002074453 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 171,501

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, 2025, the Reporting Person was granted 50,861 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 22,252 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 6,250 unvested restricted stock units ("RSUs") of the 50,000 RSUs granted to the Reporting Person on January 25, 2023, (ii) 17,838 unvested RSUs of the 57,085 RSUs granted to the Reporting Person on January 11, 2024, (iii) 28,609 unvested RSUs of the 50,861 RSUs granted to the Reporting Person on January 11, 2025, (iv) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 1, 2025, (v) 23,728 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (vi) 4,368 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115640 · tm2627530-1_4seq1.xml · derivative · entry 7

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,816

Underlying: Common Stock · 3,868 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.

F4 · derivative.exercise_price: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

F4 · derivative.exercise_date: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

F4 · derivative.expiration_date: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

SEC source: 0001104659-26-115640 · tm2627530-1_4seq1.xml · derivative · entry 6

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,371

Underlying: Common Stock · 2,474 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.

F4 · derivative.exercise_price: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

F4 · derivative.exercise_date: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

F4 · derivative.expiration_date: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

SEC source: 0001104659-26-115640 · tm2627530-1_4seq1.xml · derivative · entry 5

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,906

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: 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: 0001104659-26-115640 · tm2627530-1_4seq1.xml · nonDerivative · entry 3

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 185,258

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.

F6 · shares: On January 11, 2025, the Reporting Person was granted 61,895 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 27,079 have vested as of the date of this Form 4.

F4 · price: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

F3 · balance_after: Includes (i) 6,250 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 12,371 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 34,816 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,427 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115640 · tm2627530-1_4seq1.xml · nonDerivative · entry 2

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 181,390

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.

F5 · shares: On January 11, 2024, the Reporting Person was granted 39,588 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2025 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 27,217 have vested as of the date of this Form 4.

F4 · price: Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

F3 · balance_after: Includes (i) 6,250 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 12,371 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 34,816 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,427 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-115640 · tm2627530-1_4seq1.xml · nonDerivative · entry 1

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 178,916

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 58,594 have vested as of the date of this Form 4.

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

F3 · balance_after: Includes (i) 6,250 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 12,371 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 34,816 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,427 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-114372 · tm2627151-1_4seq1.xml · nonDerivative · entry 1

Bloch Stephen M · CIK 0001400308 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $26.745 to $27.59, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F2 · balance_after: The shares were held directly by Canaan VIII L.P. ("Canaan LP"). The amount reported reflects a reduction for shares previously distributed, for no consideration, by Canaan LP to its general partner, Canaan Partners VIII LLC ("Canaan LLC" and together with Canaan LP, the "Canaan Entities"), and subsequently distributed by Canaan LLC pro rata to its members, including the Reporting Person. Such distributions were made in accordance with the exemptions afforded by Rule 16a-9 and Rule 16a-13 under the Securities Exchange Act of 1934.

F3 · ownership.nature: Canaan LLC is the sole general partner of Canaan LP. Investment and voting decisions with respect to the securities held by Canaan LP are made by the managers of Canaan LLC, collectively. The Reporting Person disclaims beneficial ownership of the securities held by the Canaan Entities, except to the extent of his pecuniary interest, if any, in such securities by virtue of the limited liability company interests he owns in Canaan LLC. The Canaan Entities have instituted a communications-screen policy with respect to securities matters relating to the Issuer, and the Reporting Person did not participate in this investment decision.

SEC source: 0001104659-26-107942 · tm2625466-1_4seq1.xml · derivative · entry 8

SINGH RAMAN · CIK 0001747589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,468 shares

Expires 2028-03-07

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.

F5 · derivative.exercise_date: The option vested in 36 equal monthly installments and became fully vested on March 7, 2021.

SEC source: 0001104659-26-107942 · tm2625466-1_4seq1.xml · nonDerivative · entry 5

SINGH RAMAN · CIK 0001747589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,637

F2 · kind: Represents the subsequent sale of the underlying shares from the exercise of stock options reported on this Form 4.

F1 · balance_after: Includes 5,882 restricted stock units granted to the Reporting Person on June 16, 2026, none of which have vested as of the date of this Form 4.

SEC source: 0001104659-26-107942 · tm2625466-1_4seq1.xml · nonDerivative · entry 4

SINGH RAMAN · CIK 0001747589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,105

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 · balance_after: Includes 5,882 restricted stock units granted to the Reporting Person on June 16, 2026, none of which have vested as of the date of this Form 4.

SEC source: 0001104659-26-107942 · tm2625466-1_4seq1.xml · derivative · entry 7

SINGH RAMAN · CIK 0001747589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,468

Underlying: Common Stock · 8,468 shares

Expires 2028-03-07

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.

F5 · derivative.exercise_date: The option vested in 36 equal monthly installments and became fully vested on March 7, 2021.

SEC source: 0001104659-26-107942 · tm2625466-1_4seq1.xml · derivative · entry 6

SINGH RAMAN · CIK 0001747589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 556 shares

Expires 2033-06-19

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

SEC source: 0001104659-26-107942 · tm2625466-1_4seq1.xml · nonDerivative · entry 3

SINGH RAMAN · CIK 0001747589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,637

F2 · kind: Represents the subsequent sale of the underlying shares from the exercise of stock options reported on this Form 4.

F3 · price: Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $68.60 to $68.70. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F1 · balance_after: Includes 5,882 restricted stock units granted to the Reporting Person on June 16, 2026, none of which have vested as of the date of this Form 4.

SEC source: 0001104659-26-107942 · tm2625466-1_4seq1.xml · nonDerivative · entry 2

SINGH RAMAN · CIK 0001747589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,661

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 · balance_after: Includes 5,882 restricted stock units granted to the Reporting Person on June 16, 2026, none of which have vested as of the date of this Form 4.

SEC source: 0001104659-26-107942 · tm2625466-1_4seq1.xml · nonDerivative · entry 1

SINGH RAMAN · CIK 0001747589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,193

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 · balance_after: Includes 5,882 restricted stock units granted to the Reporting Person on June 16, 2026, none of which have vested as of the date of this Form 4.

SEC source: 0001104659-26-105074 · tm2624696-1_4seq1.xml · nonDerivative · entry 1

Krepp Sarah · CIK 0002074990 · Chief Human Resource Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 117,308

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").

F3 · price: Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $67.76 to $68.24. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · balance_after: Includes (i) 21,174 unvested restricted stock units ("RSUs") of the 61,465 RSUs granted to the Reporting Person on January 11, 2024, (ii) 6,229 unvested RSUs of the 12,459 RSUs granted to the Reporting Person on July 1, 2024, (iii) 31,787 unvested RSUs of the 50,861 RSUs granted to the Reporting Person on January 11, 2025, (iv) 18,750 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 1, 2025, (v) 23,728 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4, and (vi) 404 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

SEC source: 0001104659-26-100826 · tm2624000-1_4seq1.xml · derivative · entry 10

Adair Jason · CIK 0001747055 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 238 shares

Expires 2029-02-05

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.

F6 · derivative.exercise_date: The option vested in 48 equal monthly installments and became fully vested on February 5, 2023.