Cox John

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Cox John
CIK #0001498428
EDGAR Form CIK 2011 - 2026
3 [0001498428]
4 [0001498428]
Form 3/4/5 Subject 2011 - 2026
Cox John
Dyne Therapeutics Inc
Sigilon Therapeutics Inc
Repligen Corp
Bioverativ Inc
Biogen Inc
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Dyne Therapeutics Inc DYN
Common Stock
2026-03-05 Sell 2,732 $14.90 40,707
Dyne Therapeutics Inc DYN
Common Stock
2026-02-12 Grant 180,000 $0.00
Dyne Therapeutics Inc DYN
Stock option (right to buy) · derivative
2026-02-12 Grant 285,000 $0.00
Dyne Therapeutics Inc DYN
Common Stock
2025-12-05 Sell 2,662 $20.72 55,157
Dyne Therapeutics Inc DYN
Stock option (right to buy) · derivative
2025-07-16 Grant 197,285 $0.00
Dyne Therapeutics Inc DYN
Common Stock
2025-07-15 Gift 10,000 $0.00
Dyne Therapeutics Inc DYN
Common Stock
2025-07-15 Gift 10,000 $0.00
Dyne Therapeutics Inc DYN
Common Stock
2025-07-15 Gift 10,000 $0.00
Dyne Therapeutics Inc DYN
Common Stock
2025-07-15 Gift 10,000 $0.00
Dyne Therapeutics Inc DYN
Common Stock
2025-07-14 Buy 100,000 $9.11 911,000
Dyne Therapeutics Inc DYN
Common Stock
2025-06-05 Sell 4,060 $13.35 54,201
Dyne Therapeutics Inc DYN
Common Stock
2025-03-05 Sell 4,061 $11.83 48,042
Dyne Therapeutics Inc DYN
Common Stock
2024-12-04 Grant 145,300 $0.00
Dyne Therapeutics Inc DYN
Stock option (right to buy) · derivative
2024-12-04 Grant 232,100 $0.00
Dyne Therapeutics Inc DYN
Common Stock
2024-09-04 Buy 7,200 $33.09 238,248
Dyne Therapeutics Inc DYN
Common Stock
2024-09-04 Buy 7,200 $33.09 238,248
Dyne Therapeutics Inc DYN
Common Stock
2024-09-04 Buy 800 $32.57 26,056
Dyne Therapeutics Inc DYN
Common Stock
2024-09-04 Buy 800 $32.57 26,056
Dyne Therapeutics Inc DYN
Common Stock
2024-09-04 Buy 7,200 $33.09 238,248
Dyne Therapeutics Inc DYN
Common Stock
2024-09-04 Buy 800 $32.57 26,056
showing 20 of 161 most recent transactions
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