Steven S. Williamson
Insider
First SEC filing: Nov. 9, 2020 · Latest: Nov. 9, 2020
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 2, 2025 | LUNG | S | 5,118 | $1.60 | $8,189 | 363,497 Direct | -1.39% | Disposed | 17.5% (price as of 2026-10-05) |
| Sept. 2, 2025 | LUNG | S | 4,530 | $1.60 | $7,248 | 358,967 Direct | -1.25% | Disposed | 17.5% (price as of 2026-10-05) |
| June 2, 2025 | LUNG | S | 5,262 | $3.13 | $16,470 | 370,776 Direct | -1.40% | Disposed | -39.9% (price as of 2026-10-05) |
| June 2, 2025 | LUNG | S | 4,661 | $3.13 | $14,589 | 366,115 Direct | -1.26% | Disposed | -39.9% (price as of 2026-10-05) |
| March 3, 2025 | LUNG | S | 27,689 | $7.14 | $197,699 | 194,342 Direct | -12.47% | Disposed | -73.7% (price as of 2026-10-05) |
| March 3, 2025 | LUNG | A | 181,696 | · | · | 376,038 Direct | +93.49% | Acquired | (price as of 2026-10-05) |
| March 3, 2025 | LUNG | A | 128,395 | · | · | 128,395 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 20, 2024 | LUNG | P | 14,245 | $6.84 | $97,436 | 219,531 Direct | +6.94% | Acquired | -72.5% (price as of 2026-10-05) |
| March 15, 2024 | LUNG | A | 205,286 | · | · | 205,286 Direct | · | Acquired | (price as of 2026-10-05) |
| March 15, 2024 | LUNG | A | 425,116 | · | · | 425,116 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2024 | OM | S | 2,500 | $3.57 | $8,925 | 320,347 Direct | -0.77% | Disposed | -92.3% (price as of 2026-10-05) |
| Jan. 16, 2024 | OM | S | 996 | $4.29 | $4,273 | 322,847 Direct | -0.31% | Disposed | -93.6% (price as of 2026-10-05) |
| Jan. 12, 2024 | OM | A | 112,000 | · | · | 217,939 Direct | +105.72% | Acquired | (price as of 2026-10-05) |
| Jan. 12, 2024 | OM | A | 100,000 | · | · | 317,939 Direct | +45.88% | Acquired | (price as of 2026-10-05) |
| Jan. 12, 2024 | OM | A | 5,904 | · | · | 323,843 Direct | +1.86% | Acquired | (price as of 2026-10-05) |
| Jan. 8, 2024 | OM | S | 7,055 | $5.49 | $38,732 | 105,939 Direct | -6.24% | Disposed | -95.0% (price as of 2026-10-05) |
| Nov. 16, 2023 | OM | S | 3,584 | $4.76 | $17,060 | 112,994 Direct | -3.07% | Disposed | -94.3% (price as of 2026-10-05) |
| Aug. 16, 2023 | OM | S | 635 | $15.10 | $9,588 | 116,577 Direct | -0.54% | Disposed | -98.2% (price as of 2026-10-05) |
| May 16, 2023 | OM | S | 681 | $19.91 | $13,559 | 117,212 Direct | -0.58% | Disposed | -98.6% (price as of 2026-10-05) |
| May 8, 2023 | OM | S | 10,000 | $19.83 | $198,300 | 117,893 Direct | -7.82% | Disposed | -98.6% (price as of 2026-10-05) |
| Feb. 16, 2023 | OM | S | 694 | $24.36 | $16,906 | 126,471 Direct | -0.55% | Disposed | -98.9% (price as of 2026-10-05) |
| Jan. 27, 2023 | OM | S | 3,023 | $27.92 | $84,402 | 127,165 Direct | -2.32% | Disposed | -99.0% (price as of 2026-10-05) |
| Jan. 6, 2023 | OM | A | 64,724 | · | · | 126,547 Direct | +104.69% | Acquired | (price as of 2026-10-05) |
| Jan. 6, 2023 | OM | A | 3,641 | · | · | 130,188 Direct | +2.88% | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2022 | OM | S | 3,422 | $19.29 | $66,010 | 61,823 Direct | -5.24% | Disposed | -98.6% (price as of 2026-10-05) |
| Jan. 26, 2022 | OM | A | 27,350 | · | · | 63,207 Direct | +76.28% | Acquired | (price as of 2026-10-05) |
| Jan. 26, 2022 | OM | A | 1,538 | · | · | 64,745 Direct | +2.43% | Acquired | (price as of 2026-10-05) |
| Jan. 25, 2022 | OM | S | 2,280 | $37.74 | $86,047 | 35,857 Direct | -5.98% | Disposed | -99.3% (price as of 2026-10-05) |
| Jan. 21, 2022 | OM | A | 9,205 | · | · | 38,137 Direct | +31.82% | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2021 | OM | S | 2,467 | $51.69 | $127,519 | 28,932 Direct | -7.86% | Disposed | -99.5% (price as of 2026-10-05) |
| Nov. 15, 2020 | OM | A | 60,000 | · | · | 60,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2020 | OM | A | 30,000 | · | · | 30,910 Direct | +3296.70% | Acquired | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 3, 2025 | LUNG | Employee Stock Option (right to buy) | Common Stock | $8.29 | March 2, 2035 | 128,395 | Acquired |
| March 15, 2024 | LUNG | Employee Stock Option (right to buy) | Common Stock | $8.95 | March 14, 2034 | 425,116 | Acquired |
| Nov. 15, 2020 | OM | Stock Option (Right to Buy) | Common Stock | $52.55 | Nov. 14, 2030 | 60,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 9, 2020 | OM | Common Stock | 910 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $493,462 | · | $2,259,390 | $752,383 | · | · | $691,175 | $4,196,408 |
| 2024 | $461,398 | · | $1,837,310 | $2,544,107 | $357,135 | · | $34,530 | $5,234,479 |
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $529,765 | · | · | · | $191,033 | · | $26,619 | $2,690,597 |
| 2022 | $512,144 | · | $1,097,530 | · | $269,767 | · | $6,597 | $1,886,038 |
| 2020 | $65,288 | · | $1,576,500 | $1,618,590 | $53,690 | · | $27 | $3,314,095 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.