SEC Insider Transactions from Mitchener Stephen.

Last updated: 2026-03-14 11:27 UTC | Total transactions: 2

Recent insider trading activity from Mitchener Stephen, including buys and sells reported to the SEC.

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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
Feb. 28, 2023 Karyopharm Therapeutics Inc. $KPTI Mitchener Stephen SVP, Chief Business Officer A Common Stock 60000 $0.00 134,670.0000 0 80.35% 0.00%
March 1, 2023 Karyopharm Therapeutics Inc. $KPTI Mitchener Stephen SVP, Chief Business Officer S Common Stock 6357 $3.03 128,313.0000 0 4.72% 0.00%