Sung Derrick (CIK 0001670118)

Latest company ownership

Shares held
135,319
Last filed at
Dec 3, 2025
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q2 2025Q4
IRTC - iRhythm Technologies, Inc.
Role: EVP, Strat Corp Development
Shares held
26,983
Last filed at
Mar 18, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Sep 1, 2023 Sep 6, 2023 Pulmonx Corp CFO Sell 46.3 -4,219 -1.07% ✗ $42.2K
Jun 1, 2023 Jun 2, 2023 Pulmonx Corp CFO Sell 46.3 -4,222 -1.06% ✗ $48.5K
Mar 1, 2023 Mar 3, 2023 Pulmonx Corp CFO Sell 91.3 +136,736 52.04% ✗ $13.9K
Dec 1, 2022 Dec 5, 2022 Pulmonx Corp CFO Sell 52.5 -1,069 -0.41% ✗ $6.3K
Sep 1, 2022 Sep 6, 2022 Pulmonx Corp CFO Sell 51.3 -1,082 -0.42% ✗ $19.3K
Jun 1, 2022 Jun 3, 2022 Pulmonx Corp CFO Sell 51.3 -1,065 -0.42% ✗ $19.2K
Mar 1, 2022 Mar 3, 2022 Pulmonx Corp CFO Sell 91.3 +30,542 13.55% ✗ $11.9K
Dec 14, 2021 Dec 16, 2021 Pulmonx Corp CFO Sell 41.3 -6,000 -2.59% ✓ $190.3K
Dec 1, 2021 Dec 3, 2021 Pulmonx Corp CFO Sell 51.3 -383 -0.17% ✗ $12.5K
Sep 20, 2021 Sep 21, 2021 Pulmonx Corp CFO Sell 41.3 -6,000 -2.52% ✓ $224.6K
Sep 1, 2021 Sep 3, 2021 Pulmonx Corp CFO Sell 51.3 -383 -0.16% ✗ $15.4K
Apr 5, 2021 Apr 6, 2021 Pulmonx Corp CFO Sell 35.0 -10,000 -4.37% ✓ $473.6K
Mar 1, 2019 Mar 5, 2019 iRhythm Technologies, Inc. EVP, Strat Corp Development Sell 42.5 -1,081 -4.01% ✗ $105.2K
Jan 30, 2019 Jan 31, 2019 iRhythm Technologies, Inc. EVP, Strat Corp Development Sell 32.5 -2,000 -7.34% ✓ $168K
Jan 28, 2019 Jan 30, 2019 iRhythm Technologies, Inc. EVP, Strat Corp Development Sell 17.5 -10,125 -16.70% ✓ $850.9K
Oct 16, 2018 Oct 17, 2018 iRhythm Technologies, Inc. EVP, Strat Corp Development Sell 7.5 -10,000 -33.95% ✓ $880.1K
Oct 9, 2018 Oct 10, 2018 iRhythm Technologies, Inc. EVP, Strat Corp Development Sell 7.5 -10,000 -33.95% ✓ $831K
Aug 2, 2018 Aug 6, 2018 iRhythm Technologies, Inc. Officer Sell 7.5 -10,000 -37.51% ✓ $820.1K
May 18, 2018 May 21, 2018 iRhythm Technologies, Inc. Officer Sell 7.5 -10,000 -41.91% ✓ $700K
Mar 1, 2018 Mar 5, 2018 iRhythm Technologies, Inc. Officer Sell 26.3 -683 -4.70% ✗ $42.5K