SEC Insider Transactions from Cha Myoungil.

Last updated: 2026-03-14 11:13 UTC | Total transactions: 13

Cha Myoungil has filed 13 insider transactions across 1 company since May 2023.

Most recent transaction: a option exercise of 1749 shares of TANDEM DIABETES CARE INC ($TNDM) on June 16, 2025.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
June 16, 2025 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director M Common Stock 1749 $0.00 13,699.0000 66,473,272 14.64% 0.00%
June 16, 2025 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director M Restricted Stock Unit 1749 $0.00 0.0000 66,473,272 100.00% 0.00%
May 22, 2025 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director M Common Stock 4387 $20.64 11,950.0000 66,473,272 58.01% 0.01%
May 22, 2025 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director M Restricted Stock Unit 4387 $0.00 0.0000 66,473,272 100.00% 0.01%
May 21, 2025 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director A Restricted Stock Unit 8759 $0.00 8,759.0000 66,473,272 9999.99% 0.01%
June 17, 2024 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director M Common Stock 1749 $45.33 7,563.0000 0 30.08% 0.00%
June 17, 2024 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director M Restricted Stock Unit 1749 $0.00 1,749.0000 0 50.00% 0.00%
May 24, 2024 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director M Common Stock 4065 $51.73 5,814.0000 0 232.42% 0.00%
May 22, 2024 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director A Restricted Stock Unit 4387 $0.00 4,387.0000 0 9999.99% 0.00%
May 24, 2024 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director M Restricted Stock Unit 4065 $0.00 0.0000 0 100.00% 0.00%
June 15, 2023 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director M Common Stock 1749 $0.00 1,749.0000 0 9999.99% 0.00%
June 15, 2023 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director M Restricted Stock Unit 1749 $0.00 3,498.0000 0 33.33% 0.00%
May 24, 2023 TANDEM DIABETES CARE INC $TNDM Cha Myoungil Director M RSU 2023 05 24 4065 $0.00 4,065.0000 0 9999.99% 0.00%