Steven S. Williamson, President and CEO of Pulmonx Corp ($LUNG), sold shares on the open market four times over the past year, totaling nearly $46,500. His most recent sale occurred on September 2, 2025. These transactions rank him 10,467th among 11,678 individual insiders by sale value, well below the average of $8.6 million across about 6.4 transactions per insider. Williamson made no open market purchases in the last 365 days.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 2, 2025 | Pulmonx Corp | $LUNG | Williamson Steven S. | PRESIDENT AND CEO | S | Common Stock | 4530 | $1.60 | 358,967.0000 | 39,796,420 | 1.25% | 0.01% |
| Sept. 2, 2025 | Pulmonx Corp | $LUNG | Williamson Steven S. | PRESIDENT AND CEO | S | Common Stock | 5118 | $1.60 | 363,497.0000 | 39,796,420 | 1.39% | 0.01% |
| June 2, 2025 | Pulmonx Corp | $LUNG | Williamson Steven S. | PRESIDENT AND CEO | S | Common Stock | 5262 | $3.13 | 370,776.0000 | 39,796,420 | 1.40% | 0.01% |
| June 2, 2025 | Pulmonx Corp | $LUNG | Williamson Steven S. | PRESIDENT AND CEO | S | Common Stock | 4661 | $3.13 | 366,115.0000 | 39,796,420 | 1.26% | 0.01% |
| March 3, 2025 | Pulmonx Corp | $LUNG | Williamson Steven S. | PRESIDENT AND CEO | A | Employee Stock Option (right to buy) | 128395 | $0.00 | 128,395.0000 | 39,796,420 | 9999.99% | 0.32% |
| March 3, 2025 | Pulmonx Corp | $LUNG | Williamson Steven S. | PRESIDENT AND CEO | S | Common Stock | 27689 | $7.14 | 194,342.0000 | 39,796,420 | 12.47% | 0.07% |
| March 3, 2025 | Pulmonx Corp | $LUNG | Williamson Steven S. | PRESIDENT AND CEO | A | Common Stock | 181696 | $0.00 | 376,038.0000 | 39,796,420 | 93.49% | 0.46% |
| Aug. 20, 2024 | Pulmonx Corp | $LUNG | Williamson Steven S. | PRESIDENT AND CEO | P | Common Stock | 14245 | $6.84 | 219,531.0000 | 0 | 6.94% | 0.00% |
| March 15, 2024 | Pulmonx Corp | $LUNG | Williamson Steven S. | PRESIDENT AND CEO | A | Employee Stock Option (right to buy) | 425116 | $0.00 | 425,116.0000 | 0 | 9999.99% | 0.00% |
| March 15, 2024 | Pulmonx Corp | $LUNG | Williamson Steven S. | PRESIDENT AND CEO | A | Common Stock | 205286 | $0.00 | 205,286.0000 | 0 | 9999.99% | 0.00% |
| Feb. 15, 2024 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | S | Common Stock | 2500 | $3.57 | 320,347.0000 | 0 | 0.77% | 0.00% |
| Jan. 16, 2024 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | S | Common Stock | 996 | $4.29 | 322,847.0000 | 0 | 0.31% | 0.00% |
| Jan. 12, 2024 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | A | Common Stock | 5904 | $0.00 | 323,843.0000 | 0 | 1.86% | 0.00% |
| Jan. 12, 2024 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | A | Common Stock | 100000 | $0.00 | 317,939.0000 | 0 | 45.88% | 0.00% |
| Jan. 12, 2024 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | A | Common Stock | 112000 | $0.00 | 217,939.0000 | 0 | 105.72% | 0.00% |
| Jan. 8, 2024 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | S | Common Stock | 7055 | $5.49 | 105,939.0000 | 0 | 6.24% | 0.00% |
| Nov. 16, 2023 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | S | Common Stock | 3584 | $4.76 | 112,994.0000 | 0 | 3.07% | 0.00% |
| Aug. 16, 2023 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | S | Common Stock | 635 | $15.10 | 116,577.0000 | 0 | 0.54% | 0.00% |
| May 16, 2023 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | S | Common Stock | 681 | $19.91 | 117,212.0000 | 0 | 0.58% | 0.00% |
| May 8, 2023 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | S | Common Stock | 10000 | $19.83 | 117,893.0000 | 0 | 7.82% | 0.00% |
| Feb. 16, 2023 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | S | Common Stock | 694 | $24.36 | 126,471.0000 | 0 | 0.55% | 0.00% |
| Jan. 27, 2023 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | S | Common Stock | 3023 | $27.92 | 127,165.0000 | 0 | 2.32% | 0.00% |
| Jan. 6, 2023 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | A | Common Stock | 64724 | $0.00 | 126,547.0000 | 0 | 104.69% | 0.00% |
| Jan. 6, 2023 | Outset Medical, Inc. | $OM | Williamson Steven S. | Chief Commercial Officer | A | Common Stock | 3641 | $0.00 | 130,188.0000 | 0 | 2.88% | 0.00% |