As of March 23, 2026, Pulmonx's top three insider holders are Scientific Corp Boston (TenPercentOwner, 1.49Mn shares), Glendon E. Iii French (President And Ceo, 1.41Mn shares), Derrick Sung (Coo And Cfo, 1.34Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Scientific Corp Boston | 1,488,106 | 0 | 14 Jul, 2021 | |
| Glendon E. Iii French | President And Ceo | 1,409,511 | 0 | 04 Mar, 2026 |
| Derrick Sung | Coo And Cfo | 1,335,319 | 0 | 02 Dec, 2025 |
| Geoffrey Beran Rose | Chief Commercial Officer | 465,734 | 0 | 04 Mar, 2026 |
| David Aaron Lehman | General Counsel | 390,755 | 0 | 04 Mar, 2026 |
| Steven S. Williamson | President And Ceo | 358,967 | 0 | 03 Sep, 2025 |
| Srikanth Radhakrishnan | Chief Science Techn. Officer | 345,736 | 0 | 04 Mar, 2026 |
| Mehul Joshi | Chief Financial Officer Pao | 208,489 | 0 | 03 Sep, 2025 |
| Georgia Melenikiotou | 99,714 | 0 | 04 Jun, 2025 | |
| Dana G Jr. Mead | 99,714 | 0 | 04 Jun, 2025 | |
| Daniel P Florin | 93,910 | 0 | 09 Dec, 2025 | |
| Richard Ferrari | 87,024 | 0 | 13 Jun, 2025 | |
| Richard Ferrari | 87,024 | 0 | 13 Jun, 2025 | |
| John Mckune | Interim Cfo | 76,210 | 0 | 07 Mar, 2024 |
| Tiffany Sullivan | 75,199 | 0 | 03 Jun, 2025 | |
| Thomas William Burns | 73,399 | 0 | 04 Jun, 2025 | |
| Thomas William Burns | 73,399 | 0 | 04 Jun, 2025 | |
| Alissa Hsu Lynch | 24,530 | 0 | 02 Jun, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Mar, 2026 | David Aaron Lehman | Common Stock | D | 1,163 | $1.43 | 251,829 | D | S |
| 02 Mar, 2026 | Srikanth Radhakrishnan | Common Stock | D | 756 | $1.43 | 180,463 | D | S |
| 02 Mar, 2026 | Geoffrey Beran Rose | Common Stock | D | 835 | $1.43 | 372,631 | D | S |
| 02 Mar, 2026 | Glendon E. Iii French | Common Stock | D | 2,708 | $1.43 | 1,474,616 | D | S |
| 02 Mar, 2026 | Glendon E. Iii French | Common Stock | D | 6,737 | $1.43 | 1,467,879 | D | S |
| 02 Mar, 2026 | Srikanth Radhakrishnan | Common Stock | D | 3,068 | $1.43 | 177,395 | D | S |
| 02 Mar, 2026 | Geoffrey Beran Rose | Common Stock | D | 2,125 | $1.43 | 370,506 | D | S |
| 02 Mar, 2026 | David Aaron Lehman | Common Stock | D | 4,433 | $1.43 | 247,396 | D | S |
| 02 Mar, 2026 | Geoffrey Beran Rose | Common Stock | D | 1,861 | $1.43 | 368,645 | D | S |
| 02 Mar, 2026 | Glendon E. Iii French | Common Stock | D | 58,368 | $1.43 | 1,409,511 | D | S |
| 02 Mar, 2026 | Srikanth Radhakrishnan | Common Stock | D | 2,461 | $1.43 | 174,934 | D | S |
| 02 Mar, 2026 | David Aaron Lehman | Common Stock | D | 2,590 | $1.43 | 244,806 | D | S |
| 02 Mar, 2026 | Geoffrey Beran Rose | Common Stock | D | 2,911 | $1.43 | 365,734 | D | S |
| 02 Mar, 2026 | David Aaron Lehman | Common Stock | D | 4,051 | $1.43 | 240,755 | D | S |
| 02 Mar, 2026 | Srikanth Radhakrishnan | Common Stock | D | 4,198 | $1.43 | 170,736 | D | S |
| 02 Mar, 2026 | Srikanth Radhakrishnan | Common Stock | A | 175,000 | $0.00 | 345,736 | D | A |
| 02 Mar, 2026 | David Aaron Lehman | Common Stock | A | 150,000 | $0.00 | 390,755 | D | A |
| 02 Mar, 2026 | Geoffrey Beran Rose | Common Stock | A | 100,000 | $0.00 | 465,734 | D | A |
| 08 Dec, 2025 | Daniel P Florin | Common Stock | D | 23,321 | $1.99 | 93,910 | D | S |
| 01 Dec, 2025 | Geoffrey Beran Rose | Common Stock | D | 683 | $1.57 | 379,105 | D | S |