Liquidia Corp is a United States-based biopharmaceutical company focused on the development, manufacturing, and commercialization of products that address unmet patient needs, with the current focus directed towards the treatment of pulmonary hypertension (PH) and pulmonary hypertension associated with interstitial lung disease. It conducts research, development, and manufacturing of novel products by applying its proprietary PRINT technology, a particle engineering platform, to enable the precise production of uniform drug particles. Its product includes YUTREPIA (treprostinil) inhalation powder, for the treatment of pulmonary arterial hypertension. The company also conducting studies on L606, an investigational, liposomal formulation of treprostinil.
LQDA Form 4 activity by transaction type, last 90 days
Form 4 transaction type
Transactions
Shares
Total value
Open-market sale
29
845,468
$49.94M
Option exercise
54
475,538
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
LQDA insider transactions (Form 4)
136
156 Form 4 filings on record, the earliest from Oct 15, 2024, newest first. Filing history page 1 of 3.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote F1 (price): Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
Footnote 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.
Footnote F4 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote F2 (shares): These shares of common stock were sold to cover taxes associated with the settlement of Restricted Stock Units ("RSUs").
Footnote 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… Full note on SEC EDGAR
Footnote 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 $68.05 to $71.13. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote 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 $73.28 to $76.37. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $71.00 to $74.35. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F1 (price): Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $76.76 to $77.13. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $74.00 to $74.60. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote 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 25, 2023.
Footnote 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 6, 2023.
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $87.16 to $88.155, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $88.16 to $89.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $89.16 to $89.42, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F5 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $89.00 to $89.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F6 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $90.505 to $90.90, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $79.50 to $79.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $79.50 to $80.45, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.51 to $80.69, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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 58,282 have vested as of the date of this Form 4.
Footnote 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 42,300 have vested as of the date of this Form 4.
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote F1 (price): Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
Footnote 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 54,688 have vested as of the date of this Form 4.
Footnote F4 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote F1 (price): Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.00 to $80.32, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.00 to $80.995, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.00 to $81.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $79.00 to $79.995, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.02 to $80.09, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
Liquidia Corp (LQDA) had 19 insider filings in the last 90 days, with the most recent on 2026-10-14. The full record for LQDA runs to 156 Form 4 filings, the earliest from 2024-10-15. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying LQDA stock?
No insider purchases of LQDA were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling LQDA stock?
29 insider sales of LQDA were filed in the last 90 days, totaling $49.94M.
Where can I see LQDA SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects LQDA Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
Scott Moomaw - Officer
Roger Jeffs - Officer
Stephen M. Bloch - Director
