Follow the people · Insider
David Aaron Lehman
David Aaron Lehman files insider transactions with the SEC as a general counsel of Pulmonx (LUNG). We hold 3 disclosed purchases and sales filed since 4 April 2006, 1 of them in the last 90 days.
- Files forLUNG
- Disclosed buys and sells3 in all, 1 in the last 90 days
- Last disclosure3 September 2026
Positions held
3 posts we hold — a term names its own dates; a run of filings only says when they filed- Filed 1 June 2021 — 1 September 2026General Counsel · Pulmonx (LUNG)82 Form 4 lines · source: SEC Form 4
- Filed 22 February 2016 — 3 February 2020EVP & General Counsel · Intersect ENT (XENT)25 Form 4 lines · source: SEC Form 4
- Filed 31 March 2006 — 8 October 2015SVP and General Counsel · Thoratec (THOR)97 Form 4 lines · source: SEC Form 4
Everything they disclosed
120 entries, newest first — one per disclosure report, one per Form 4 line- ▼ sold on the open market 3,807 shares of PulmonxSEC Form 43 September 2026Common Stock · traded 1 September 2026 · filed 3 September 2026
- ▼ sold on the open market 2,224 shares of PulmonxSEC Form 43 September 2026Common Stock · traded 1 September 2026 · filed 3 September 2026
- ▼ sold on the open market 3,476 shares of PulmonxSEC Form 43 September 2026Common Stock · traded 1 September 2026 · filed 3 September 2026
- ▼ sold on the open market 4,827 shares of PulmonxSEC Form 43 September 2026Common Stock · traded 1 September 2026 · filed 3 September 2026
- ▼ sold on the open market 3,876 shares of PulmonxSEC Form 43 June 2026Common Stock · traded 1 June 2026 · filed 3 June 2026
- ▼ sold on the open market 2,264 shares of PulmonxSEC Form 43 June 2026Common Stock · traded 1 June 2026 · filed 3 June 2026
- ▼ sold on the open market 3,539 shares of PulmonxSEC Form 43 June 2026Common Stock · traded 1 June 2026 · filed 3 June 2026
- ▼ sold on the open market 4,915 shares of PulmonxSEC Form 43 June 2026Common Stock · traded 1 June 2026 · filed 3 June 2026
- ▼ sold on the open market 1,163 shares of PulmonxSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 4,433 shares of PulmonxSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 2,590 shares of PulmonxSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 4,051 shares of PulmonxSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- was granted 150,000 shares of PulmonxSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 1,163 shares of PulmonxSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 4,433 shares of PulmonxSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 2,590 shares of PulmonxSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 4,051 shares of PulmonxSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- was granted 150,000 shares of PulmonxSEC Form 44 March 2026Common Stock · traded 2 March 2026 · filed 4 March 2026
- ▼ sold on the open market 976 shares of PulmonxSEC Form 43 December 2025Common Stock · traded 1 December 2025 · filed 3 December 2025
- ▼ sold on the open market 3,725 shares of PulmonxSEC Form 43 December 2025Common Stock · traded 1 December 2025 · filed 3 December 2025
- ▼ sold on the open market 2,176 shares of PulmonxSEC Form 43 December 2025Common Stock · traded 1 December 2025 · filed 3 December 2025
- ▼ sold on the open market 3,401 shares of PulmonxSEC Form 43 December 2025Common Stock · traded 1 December 2025 · filed 3 December 2025
- ▼ sold on the open market 929 shares of PulmonxSEC Form 43 September 2025Common Stock · traded 2 September 2025 · filed 3 September 2025
- ▼ sold on the open market 3,541 shares of PulmonxSEC Form 43 September 2025Common Stock · traded 2 September 2025 · filed 3 September 2025
- ▼ sold on the open market 2,068 shares of PulmonxSEC Form 43 September 2025Common Stock · traded 2 September 2025 · filed 3 September 2025
- ▼ sold on the open market 3,231 shares of PulmonxSEC Form 43 September 2025Common Stock · traded 2 September 2025 · filed 3 September 2025
- ▼ sold on the open market 535 shares of PulmonxSEC Form 44 June 2025Common Stock · traded 2 June 2025 · filed 4 June 2025
- ▼ sold on the open market 943 shares of PulmonxSEC Form 44 June 2025Common Stock · traded 2 June 2025 · filed 4 June 2025
- ▼ sold on the open market 3,597 shares of PulmonxSEC Form 44 June 2025Common Stock · traded 2 June 2025 · filed 4 June 2025
- ▼ sold on the open market 2,099 shares of PulmonxSEC Form 44 June 2025Common Stock · traded 2 June 2025 · filed 4 June 2025
- ▼ sold on the open market 3,283 shares of PulmonxSEC Form 44 June 2025Common Stock · traded 2 June 2025 · filed 4 June 2025
- ▼ sold on the open market 669 shares of PulmonxSEC Form 45 March 2025Common Stock · traded 3 March 2025 · filed 5 March 2025
- ▼ sold on the open market 1,177 shares of PulmonxSEC Form 45 March 2025Common Stock · traded 3 March 2025 · filed 5 March 2025
- ▼ sold on the open market 4,490 shares of PulmonxSEC Form 45 March 2025Common Stock · traded 3 March 2025 · filed 5 March 2025
- ▼ sold on the open market 2,397 shares of PulmonxSEC Form 45 March 2025Common Stock · traded 3 March 2025 · filed 5 March 2025
- ▼ sold on the open market 13,622 shares of PulmonxSEC Form 45 March 2025Common Stock · traded 3 March 2025 · filed 5 March 2025
- was granted 108,000 shares of PulmonxSEC Form 45 March 2025Common Stock · traded 3 March 2025 · filed 5 March 2025
- ▼ sold on the open market 410 shares of PulmonxSEC Form 44 December 2024Common Stock · traded 2 December 2024 · filed 4 December 2024
- ▼ sold on the open market 722 shares of PulmonxSEC Form 44 December 2024Common Stock · traded 2 December 2024 · filed 4 December 2024
- ▼ sold on the open market 2,755 shares of PulmonxSEC Form 44 December 2024Common Stock · traded 2 December 2024 · filed 4 December 2024
- ▼ sold on the open market 1,610 shares of PulmonxSEC Form 44 December 2024Common Stock · traded 2 December 2024 · filed 4 December 2024
- ▼ sold on the open market 429 shares of PulmonxSEC Form 45 September 2024Common Stock · traded 3 September 2024 · filed 5 September 2024
- ▼ sold on the open market 758 shares of PulmonxSEC Form 45 September 2024Common Stock · traded 3 September 2024 · filed 5 September 2024
- ▼ sold on the open market 2,890 shares of PulmonxSEC Form 45 September 2024Common Stock · traded 3 September 2024 · filed 5 September 2024
- ▼ sold on the open market 1,688 shares of PulmonxSEC Form 45 September 2024Common Stock · traded 3 September 2024 · filed 5 September 2024
- ▼ sold on the open market 409 shares of PulmonxSEC Form 45 June 2024Common Stock · traded 3 June 2024 · filed 5 June 2024
- ▼ sold on the open market 719 shares of PulmonxSEC Form 45 June 2024Common Stock · traded 3 June 2024 · filed 5 June 2024
- ▼ sold on the open market 2,744 shares of PulmonxSEC Form 45 June 2024Common Stock · traded 3 June 2024 · filed 5 June 2024
- ▼ sold on the open market 1,603 shares of PulmonxSEC Form 45 June 2024Common Stock · traded 3 June 2024 · filed 5 June 2024
- was granted 34,500 shares of Pulmonx (a derivative holding)SEC Form 47 March 2024Employee Stock Option (right to buy) · traded 1 March 2024 · filed 7 March 2024
- was granted 69,100 shares of PulmonxSEC Form 47 March 2024Common Stock · traded 1 March 2024 · filed 7 March 2024
- was granted 69,100 shares of Pulmonx (a derivative holding)SEC Form 45 March 2024Employee Stock Option (right to buy) · traded 1 March 2024 · filed 5 March 2024
- ▼ sold on the open market 459 shares of PulmonxSEC Form 45 March 2024Common Stock · traded 1 March 2024 · filed 5 March 2024
- ▼ sold on the open market 809 shares of PulmonxSEC Form 45 March 2024Common Stock · traded 1 March 2024 · filed 5 March 2024
- ▼ sold on the open market 3,083 shares of PulmonxSEC Form 45 March 2024Common Stock · traded 1 March 2024 · filed 5 March 2024
- was granted 34,500 shares of PulmonxSEC Form 45 March 2024Common Stock · traded 1 March 2024 · filed 5 March 2024
- ▼ sold on the open market 402 shares of PulmonxSEC Form 45 December 2023Common Stock · traded 1 December 2023 · filed 5 December 2023
- ▼ sold on the open market 707 shares of PulmonxSEC Form 45 December 2023Common Stock · traded 1 December 2023 · filed 5 December 2023
- ▼ sold on the open market 2,700 shares of PulmonxSEC Form 45 December 2023Common Stock · traded 1 December 2023 · filed 5 December 2023
- ▼ sold on the open market 398 shares of PulmonxSEC Form 46 September 2023Common Stock · traded 1 September 2023 · filed 6 September 2023
- ▼ sold on the open market 701 shares of PulmonxSEC Form 46 September 2023Common Stock · traded 1 September 2023 · filed 6 September 2023
- ▼ sold on the open market 2,673 shares of PulmonxSEC Form 46 September 2023Common Stock · traded 1 September 2023 · filed 6 September 2023
- ▼ sold on the open market 399 shares of PulmonxSEC Form 42 June 2023Common Stock · traded 1 June 2023 · filed 2 June 2023
- ▼ sold on the open market 701 shares of PulmonxSEC Form 42 June 2023Common Stock · traded 1 June 2023 · filed 2 June 2023
- ▼ sold on the open market 2,676 shares of PulmonxSEC Form 42 June 2023Common Stock · traded 1 June 2023 · filed 2 June 2023
- was granted 81,000 shares of Pulmonx (a derivative holding)SEC Form 43 March 2023Employee Stock Option (right to buy) · traded 1 March 2023 · filed 3 March 2023
- ▼ sold on the open market 458 shares of PulmonxSEC Form 43 March 2023Common Stock · traded 1 March 2023 · filed 3 March 2023
- ▼ sold on the open market 806 shares of PulmonxSEC Form 43 March 2023Common Stock · traded 1 March 2023 · filed 3 March 2023
- was granted 118,300 shares of PulmonxSEC Form 43 March 2023Common Stock · traded 1 March 2023 · filed 3 March 2023
- ▼ sold on the open market 387 shares of PulmonxSEC Form 45 December 2022Common Stock · traded 1 December 2022 · filed 5 December 2022
- ▼ sold on the open market 682 shares of PulmonxSEC Form 45 December 2022Common Stock · traded 1 December 2022 · filed 5 December 2022
- ▼ sold on the open market 392 shares of PulmonxSEC Form 46 September 2022Common Stock · traded 1 September 2022 · filed 6 September 2022
- ▼ sold on the open market 690 shares of PulmonxSEC Form 46 September 2022Common Stock · traded 1 September 2022 · filed 6 September 2022
- ▼ sold on the open market 386 shares of PulmonxSEC Form 43 June 2022Common Stock · traded 1 June 2022 · filed 3 June 2022
- ▼ sold on the open market 679 shares of PulmonxSEC Form 43 June 2022Common Stock · traded 1 June 2022 · filed 3 June 2022
- was granted 68,700 shares of Pulmonx (a derivative holding)SEC Form 43 March 2022Employee Stock Option (right to buy) · traded 1 March 2022 · filed 3 March 2022
- ▼ sold on the open market 458 shares of PulmonxSEC Form 43 March 2022Common Stock · traded 1 March 2022 · filed 3 March 2022
- was granted 31,000 shares of PulmonxSEC Form 43 March 2022Common Stock · traded 1 March 2022 · filed 3 March 2022
- ▼ sold on the open market 383 shares of PulmonxSEC Form 43 December 2021Common Stock · traded 1 December 2021 · filed 3 December 2021
- ▼ sold on the open market 383 shares of PulmonxSEC Form 43 September 2021Common Stock · traded 1 September 2021 · filed 3 September 2021
- was granted 17,600 shares of PulmonxSEC Form 411 June 2021Common Stock · traded 1 June 2021 · filed 11 June 2021
- was granted 39,900 shares of Pulmonx (a derivative holding)SEC Form 411 June 2021Employee Stock Option (right to buy) · traded 1 June 2021 · filed 11 June 2021
- was granted 21,270 shares of Intersect ENT (a derivative holding)SEC Form 45 February 2020Stock Options (Right to buy) · traded 3 February 2020 · filed 5 February 2020
- was granted 10,740 shares of Intersect ENTSEC Form 45 February 2020Common Stock · traded 3 February 2020 · filed 5 February 2020
- was granted 10,740 shares of Intersect ENTSEC Form 45 February 2020Common Stock · traded 3 February 2020 · filed 5 February 2020
- had shares withheld for tax on 4,357 shares of Intersect ENTSEC Form 46 January 2020Common Stock · traded 2 January 2020 · filed 6 January 2020
- had shares withheld for tax on 3,459 shares of Intersect ENTSEC Form 46 January 2020Common Stock · traded 6 January 2020 · filed 6 January 2020
- was granted 31,794 shares of Intersect ENTSEC Form 429 November 2019Common Stock · traded 26 November 2019 · filed 29 November 2019
- exercised options over 9,000 shares of Intersect ENT (a derivative holding)SEC Form 48 May 2019Stock Option (right to buy) · traded 6 May 2019 · filed 8 May 2019
- exercised options over 9,000 shares of Intersect ENTSEC Form 48 May 2019Common Stock · traded 6 May 2019 · filed 8 May 2019
- ▼ sold on the open market 9,000 shares of Intersect ENTSEC Form 48 May 2019Common Stock · traded 6 May 2019 · filed 8 May 2019
- was granted 11,952 shares of Intersect ENTSEC Form 48 May 2019Common Stock · traded 7 May 2019 · filed 8 May 2019
- exercised options over 9,000 shares of Intersect ENT (a derivative holding)SEC Form 41 May 2019Stock Option (right to buy) · traded 29 April 2019 · filed 1 May 2019
- exercised options over 9,000 shares of Intersect ENTSEC Form 41 May 2019Common Stock · traded 29 April 2019 · filed 1 May 2019
- ▼ sold on the open market 9,000 shares of Intersect ENTSEC Form 41 May 2019Common Stock · traded 29 April 2019 · filed 1 May 2019
- was granted 42,000 shares of Intersect ENT (a derivative holding)SEC Form 418 January 2019Stock Option (right to buy) · traded 16 January 2019 · filed 18 January 2019
- was granted 9,000 shares of Intersect ENTSEC Form 418 January 2019Common Stock · traded 16 January 2019 · filed 18 January 2019
- had shares withheld for tax on 2,418 shares of Intersect ENTSEC Form 43 January 2019Common Stock · traded 1 January 2019 · filed 3 January 2019
- was granted 7,500 shares of Intersect ENTSEC Form 419 January 2018Common Stock · traded 17 January 2018 · filed 19 January 2018
- was granted 35,000 shares of Intersect ENT (a derivative holding)SEC Form 419 January 2018Stock Options (Right to buy) · traded 17 January 2018 · filed 19 January 2018
- had shares withheld for tax on 1,287 shares of Intersect ENTSEC Form 43 January 2018Common Stock · traded 1 January 2018 · filed 3 January 2018
- exercised options over 36,000 shares of Intersect ENTSEC Form 413 December 2017Common Stock · traded 11 December 2017 · filed 13 December 2017
- ▼ sold on the open market 36,000 shares of Intersect ENTSEC Form 413 December 2017Common Stock · traded 11 December 2017 · filed 13 December 2017
- exercised options over 36,000 shares of Intersect ENT (a derivative holding)SEC Form 413 December 2017Stock Option (right to buy) · traded 11 December 2017 · filed 13 December 2017
- was granted 9,000 shares of Intersect ENTSEC Form 420 January 2017Common Stock · traded 18 January 2017 · filed 20 January 2017
- was granted 42,000 shares of Intersect ENT (a derivative holding)SEC Form 420 January 2017Stock Options (Right to buy) · traded 18 January 2017 · filed 20 January 2017
- was granted 130,000 shares of Intersect ENT (a derivative holding)SEC Form 423 February 2016Stock Option (right to buy) · traded 22 February 2016 · filed 23 February 2016
- gave away 1,263 shares of ThoratecSEC Form 48 October 2015Common Stock · traded 1 October 2015 · filed 8 October 2015
- was granted 18,143 shares of ThoratecSEC Form 48 October 2015Common Stock · traded 8 October 2015 · filed 8 October 2015
- returned to the issuer 71,655 shares of ThoratecSEC Form 48 October 2015Common Stock · traded 8 October 2015 · filed 8 October 2015
- returned to the issuer 21,000 shares of Thoratec (a derivative holding)SEC Form 48 October 2015Non-Qualified Stock Options (Right to Buy) · traded 8 October 2015 · filed 8 October 2015
- returned to the issuer 13,637 shares of Thoratec (a derivative holding)SEC Form 48 October 2015Non-Qualified Stock Options (Right to Buy) · traded 8 October 2015 · filed 8 October 2015
- returned to the issuer 23,468 shares of Thoratec (a derivative holding)SEC Form 48 October 2015Non-Qualified Stock Options (Right to Buy) · traded 8 October 2015 · filed 8 October 2015
- returned to the issuer 30,000 shares of Thoratec (a derivative holding)SEC Form 48 October 2015Non-Qualified Stock Options (Right to Buy) · traded 8 October 2015 · filed 8 October 2015
- returned to the issuer 28,379 shares of Thoratec (a derivative holding)SEC Form 48 October 2015Non-Qualified Stock Options (Right to Buy) · traded 8 October 2015 · filed 8 October 2015
- returned to the issuer 28,335 shares of Thoratec (a derivative holding)SEC Form 48 October 2015Non-Qualified Stock Options (Right to Buy) · traded 8 October 2015 · filed 8 October 2015
- returned to the issuer 26,697 shares of Thoratec (a derivative holding)SEC Form 48 October 2015Non-Qualified Stock Options (Right to Buy) · traded 8 October 2015 · filed 8 October 2015
- had shares withheld for tax on 914 shares of ThoratecSEC Form 418 March 2015Common Stock · traded 17 March 2015 · filed 18 March 2015
- was granted 12,663 shares of ThoratecSEC Form 416 March 2015Common Stock · traded 16 March 2015 · filed 16 March 2015
- had shares withheld for tax on 2,206 shares of ThoratecSEC Form 411 March 2015Common Stock · traded 9 March 2015 · filed 11 March 2015
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.