Steven S. Williamson
CIK 1478582 · PRESIDENT AND CEO · last filed 2025-09-03
Steven S. Williamson is a PRESIDENT AND CEO who has filed 32 SEC Form 4 insider transactions across 3 companies since 2009. The most recent filing shows the insider sold $15.4K of LUNG on Sep 3, 2025. Across all open-market trades the lifetime net is −$1.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.9M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$1.94M
3
32
-$1.52M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| LUNG | PRESIDENT AND CEO | 363,497 | $1.37 | $498.0K | -$146.8K | 5 | 2025-09-03 |
| OM | Chief Commercial Officer | 320,347 | $4.49 | $1.44M | -$671.3K | 15 | 2024-02-16 |
| HOLOGIC INC (HOLX) Delisted | SVP, GYN Surgical | 41,721 | $76.01 | $3.17M | -$701.5K | 12 | 2012-03-08 |
Recent Filings
32 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-09-03 | LUNG | Sell (S) | −9,648 | -$15.4K | EDGAR |
| 2025-06-04 | LUNG | Sell (S) | −9,923 | -$31.1K | EDGAR |
| 2025-03-05 | LUNG | Mixed | +154,007 | -$197.7K | EDGAR |
| 2024-08-22 | LUNG | Buy (P) | +14,245 | $97.4K | EDGAR |
| 2024-03-19 | LUNG | Grant (A) | +205,286 | $0 | EDGAR |
| 2024-02-16 | OM | Sell (S) | −2,500 | -$8.9K | EDGAR |
| 2024-01-17 | OM | Mixed | +216,908 | -$4.3K | EDGAR |
| 2024-01-08 | OM | Sell (S) | −7,055 | -$38.7K | EDGAR |
| 2023-11-17 | OM | Sell (S) | −3,584 | -$17.1K | EDGAR |
| 2023-08-17 | OM | Sell (S) | −635 | -$9.6K | EDGAR |