Derrick Sung serves as Executive at iRhythm Technologies, Inc., where they oversee executive responsibilities. Since joining the company, Derrick Sung has executed 58 insider transactions totaling $5.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 1, 2025 involved receiving (via award) 1,200,000 shares valued at $0.
Derrick Sung currently holds 1,335,319 shares of iRhythm Technologies, Inc. (IRTC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Derrick Sung has been a net seller of IRTC stock. They have purchased $0 and sold $5.3M worth of shares.
Derrick Sung's most recent insider trade was on Dec 1, 2025, when they sold 1,200,000 shares at $0.00 per share.
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| $10.01 |
| Discretionary |
| Sep 1, 2023 | LUNG | $31.2K | Sale | 3,120 | $10.00 | Discretionary |
| Sep 1, 2023 | LUNG | $4.0K | Sale | 398 | $10.01 | Discretionary |
| Jun 1, 2023 | LUNG | $8.1K | Sale | 701 | $11.49 | Discretionary |
| Jun 1, 2023 | LUNG | $4.6K | Sale | 399 | $11.48 | Discretionary |
| Jun 1, 2023 | LUNG | $35.9K | Sale | 3,122 | $11.49 | Discretionary |
| Mar 1, 2023 | LUNG | $8.9K | Sale | 806 | $11.03 | Discretionary |
| Mar 1, 2023 | LUNG | $0 | Award | 138,000 | $N/A | Discretionary |
| Mar 1, 2023 | LUNG | $5.1K | Sale | 458 | $11.03 | Discretionary |
| Dec 1, 2022 | LUNG | $4.0K | Sale | 682 | $5.93 | Discretionary |
| Dec 1, 2022 | LUNG | $2.3K | Sale | 387 | $5.93 | Discretionary |
| Nov 14, 2022 | LUNG | $22.0K | Option Exercise | 10,000 | $2.20 | Discretionary |
| Sep 1, 2022 | LUNG | $7.0K | Sale | 392 | $17.87 | Discretionary |
| Sep 1, 2022 | LUNG | $12.3K | Sale | 690 | $17.87 | Discretionary |
| Jul 19, 2022 | UTRS | $200.0K | Award | 86,956 | $2.30 | Discretionary |
| Jun 1, 2022 | LUNG | $7.0K | Sale | 386 | $18.05 | Discretionary |
| Jun 1, 2022 | LUNG | $12.3K | Sale | 679 | $18.05 | Discretionary |
| Mar 1, 2022 | LUNG | $0 | Award | 31,000 | $N/A | Discretionary |
| Mar 1, 2022 | LUNG | $11.9K | Sale | 458 | $25.91 | Discretionary |
| Dec 15, 2021 | LUNG | $90.8K | Sale | 2,976 | $30.52 | Discretionary |
| Dec 15, 2021 | LUNG | $758 | Sale | 24 | $31.58 | Discretionary |
| Dec 14, 2021 | LUNG | $98.7K | Sale | 3,000 | $32.89 | Discretionary |
| Dec 1, 2021 | LUNG | $12.5K | Sale | 383 | $32.73 | Discretionary |
| Sep 21, 2021 | LUNG | $112.5K | Sale | 3,000 | $37.50 | Discretionary |
| Sep 20, 2021 | LUNG | $4.4K | Sale | 115 | $37.96 | Discretionary |
| Sep 20, 2021 | LUNG | $107.7K | Sale | 2,885 | $37.33 | Discretionary |
| Sep 1, 2021 | LUNG | $15.4K | Sale | 383 | $40.09 | Discretionary |
| Jun 1, 2021 | LUNG | $0 | Award | 17,600 | $N/A | Discretionary |
| Apr 6, 2021 | LUNG | $29.0K | Sale | 600 | $48.33 | Discretionary |