SEC Insider Transactions from Mei Baisong.

Last updated: 2026-03-14 11:16 UTC | Total transactions: 12

Mei Baisong has filed 12 insider transactions across 1 company since March 2023.

Most recent transaction: a sale of 541 shares of Editas Medicine, Inc. ($EDIT) on December 03, 2024.

Activity breakdown: 0 open-market purchases and 6 sales.

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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
Dec. 3, 2024 Editas Medicine, Inc. $EDIT Mei Baisong EVP, CHIEF MEDICAL OFFICER S Common Stock 541 $2.08 133,354.0000 0 0.40% 0.00%
Sept. 4, 2024 Editas Medicine, Inc. $EDIT Mei Baisong EVP, CHIEF MEDICAL OFFICER S Common Stock 518 $3.42 133,895.0000 0 0.39% 0.00%
July 19, 2024 Editas Medicine, Inc. $EDIT Mei Baisong EVP, CHIEF MEDICAL OFFICER S Common Stock 6619 $5.21 134,413.0000 0 4.69% 0.00%
June 4, 2024 Editas Medicine, Inc. $EDIT Mei Baisong EVP, CHIEF MEDICAL OFFICER S Common Stock 511 $5.50 141,032.0000 0 0.36% 0.00%
March 2, 2024 Editas Medicine, Inc. $EDIT Mei Baisong SVP, CHIEF MEDICAL OFFICER A Common Stock 50900 $0.00 122,955.0000 0 70.64% 0.00%
March 2, 2024 Editas Medicine, Inc. $EDIT Mei Baisong SVP, CHIEF MEDICAL OFFICER A Common Stock 19458 $0.00 142,413.0000 0 15.83% 0.00%
March 2, 2024 Editas Medicine, Inc. $EDIT Mei Baisong SVP, CHIEF MEDICAL OFFICER A Common Stock 19457 $0.00 161,870.0000 0 13.66% 0.00%
March 4, 2024 Editas Medicine, Inc. $EDIT Mei Baisong SVP, CHIEF MEDICAL OFFICER S Common Stock 20327 $9.42 141,543.0000 0 12.56% 0.00%
March 2, 2024 Editas Medicine, Inc. $EDIT Mei Baisong SVP, CHIEF MEDICAL OFFICER A Stock Option (right to buy) 152800 $0.00 152,800.0000 0 9999.99% 0.00%
July 19, 2023 Editas Medicine, Inc. $EDIT Mei Baisong SVP, CHIEF MEDICAL OFFICER S Common Stock 4317 $8.80 72,055.0000 0 5.65% 0.00%
March 2, 2023 Editas Medicine, Inc. $EDIT Mei Baisong SVP, CHIEF MEDICAL OFFICER A Common Stock 18000 $0.00 76,372.0000 0 30.84% 0.00%
March 2, 2023 Editas Medicine, Inc. $EDIT Mei Baisong SVP, CHIEF MEDICAL OFFICER A Stock Option (right to buy) 54000 $0.00 54,000.0000 0 9999.99% 0.00%