🕵️ Pulmonx Corp ($LUNG)
SEC insider & ownership activity, last 12 months · CIK 1127537 · every row links its SEC filing
Over the last 12 months insiders sold $425K with no open-market buying against it. Glendon E. French III sold $198K (Dec–Jun). Primecap Management CO/CA/ trimmed 13.6% → 12.2%. No red-flag 8-Ks in the window.
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planned-vs-executed verdicts, pre-event flags, and cluster context live in the
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 7 sellers, $425K (53 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Glendon E. French III | 0 | – | 8 | $198K | Jun 2, 2026 |
| Lehman David Aaron | 0 | – | 16 | $72K | Jun 1, 2026 |
| Daniel P. Florin | 0 | – | 1 | $46K | Dec 8, 2025 |
| Rose Geoffrey Beran | 0 | – | 16 | $44K | Jun 1, 2026 |
| Radhakrishnan Srikanth | 0 | – | 8 | $37K | Jun 1, 2026 |
| Steven Williamson | 0 | – | 2 | $15K | Sep 2, 2025 |
| Joshi Mehul | 0 | – | 2 | $13K | Sep 2, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Primecap Management CO/CA/ | 12.2% | 13G | Nov 13, 2025 | filing ↗ | |
| Morgan Stanley | 8.5% | 13G | May 7, 2025 | filing ↗ | |
| Morgan Stanley Capital Services LLC | 7.3% | 13G | May 7, 2025 | filing ↗ | |
| Blackrock, Inc. | 6.8% | 13G | Apr 24, 2025 | filing ↗ | |
| Soleus Capital Master Fund, L.P. | 6.5% | 13G | Mar 9, 2026 | filing ↗ | |
| Soleus Capital, LLC | 6.5% | 13G | Mar 9, 2026 | filing ↗ | |
| Soleus Capital Group, LLC | 6.5% | 13G | Mar 9, 2026 | filing ↗ | |
| Soleus Capital Management, L.P. | 6.5% | 13G | Mar 9, 2026 | filing ↗ | |
| Soleus GP, LLC | 6.5% | 13G | Mar 9, 2026 | filing ↗ | |
| Guy Levy | 6.5% | 13G | Mar 9, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Steven Williamson | $95K | Jan 22, 2026 | filing ↗ |
| Steven Williamson | $31K | Jan 15, 2026 | filing ↗ |
| Steven Williamson | $62K | Jan 14, 2026 | filing ↗ |
| Daniel P Florin | $46K | Dec 8, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Shareholder vote (5.07) | Jun 4, 2026 | filing ↗ |
| Earnings (2.02) | Apr 29, 2026 | filing ↗ |
| Earnings (2.02) | Mar 4, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 2, 2026 | filing ↗ |
| Agreement terminated (1.02) | Mar 2, 2026 | filing ↗ |
| New financial obligation (2.03) | Mar 2, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Mar 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 2, 2026 | filing ↗ |
| Earnings (2.02) | Nov 12, 2025 | filing ↗ |
| Earnings (2.02) | Oct 21, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 21, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 21, 2025 | filing ↗ |
| Earnings (2.02) | Jul 30, 2025 | filing ↗ |