Williamson Steven S. (CIK 0001478582)

Latest company ownership

Shares held
358,967
Last filed at
Sep 3, 2025
Confidence Score
49.7
2025Q4
Confidence Score History
2024Q3 2025Q4
Role: Chief Commercial Officer
Shares held
320,347
Last filed at
Feb 16, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Sep 2, 2025 Sep 3, 2025 Pulmonx Corp CEO Sell 46.3 -9,648 -2.62% $15.4K
Jun 2, 2025 Jun 4, 2025 Pulmonx Corp CEO Sell 46.3 -9,923 -2.64% $31.1K
Mar 3, 2025 Mar 5, 2025 Pulmonx Corp CEO Sell 95.0 +154,007 69.36% $197.7K
Aug 20, 2024 Aug 22, 2024 Pulmonx Corp CEO Buy 90.0 +14,245 6.94% $97.4K
Feb 15, 2024 Feb 16, 2024 Outset Medical, Inc. Chief Commercial Officer Sell 50.0 -2,500 -0.77% $8.9K
Jan 12, 2024 Jan 17, 2024 Outset Medical, Inc. Chief Commercial Officer Sell 90.0 +216,908 204.75% $4.3K
Jan 8, 2024 Jan 8, 2024 Outset Medical, Inc. Chief Commercial Officer Sell 46.3 -7,055 -6.24% $38.7K
Nov 16, 2023 Nov 17, 2023 Outset Medical, Inc. Chief Commercial Officer Sell 46.3 -3,584 -3.07% $17.1K
Aug 16, 2023 Aug 17, 2023 Outset Medical, Inc. Chief Commercial Officer Sell 50.0 -635 -0.54% $9.6K
May 16, 2023 May 16, 2023 Outset Medical, Inc. Chief Commercial Officer Sell 48.8 -681 -0.58% $13.6K
May 8, 2023 May 8, 2023 Outset Medical, Inc. Chief Commercial Officer Sell 22.5 -10,000 -7.82% $198.3K
Feb 16, 2023 Feb 16, 2023 Outset Medical, Inc. Chief Commercial Officer Sell 48.8 -694 -0.55% $16.9K
Jan 27, 2023 Jan 30, 2023 Outset Medical, Inc. Chief Commercial Officer Sell 42.5 -3,023 -2.32% $84.4K
Nov 16, 2022 Nov 17, 2022 Outset Medical, Inc. Chief Commercial Officer Sell 42.5 -3,422 -5.24% $66K
Jan 21, 2022 Jan 25, 2022 Outset Medical, Inc. Chief Commercial Officer Sell 95.0 +6,925 23.94% $86K
Nov 16, 2021 Nov 17, 2021 Outset Medical, Inc. Chief Commercial Officer Sell 42.5 -2,467 -7.86% $127.5K