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Piper Brian
CIK #0001665924
EDGAR Form CIK 2011 - 2026
3 [0001665924]
4 [0001665924]
Form 3/4/5 Subject 2011 - 2026
Sana Biotechnology Inc
Piper Brian
Prelude Therapeutics Inc
Medgenics Inc
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Sana Biotechnology Inc SANA
Stock Option (Right to Buy) · derivative
2026-02-17 Grant 900,000 $0.00
Sana Biotechnology Inc SANA
Restricted Stock Units · derivative
2026-02-17 Grant 200,000 $0.00
Prelude Therapeutics Inc PRLD
Common Stock
2021-08-25 Sell 2,344 $34.33 80,470
Prelude Therapeutics Inc PRLD
Common Stock
2021-08-25 Option exercise 8,333 $1.89 15,749
Prelude Therapeutics Inc PRLD
Employee Stock Option (Right to Buy) · derivative
2021-08-25 Option exercise 8,333 $0.00
Prelude Therapeutics Inc PRLD
Common Stock
2021-08-25 Sell 2,100 $32.44 68,124
Prelude Therapeutics Inc PRLD
Common Stock
2021-08-25 Sell 3,889 $33.23 129,231
Prelude Therapeutics Inc PRLD
Employee Stock Option (Right to Buy) · derivative
2021-07-20 Grant 115,650 $0.00
Prelude Therapeutics Inc PRLD
Common Stock
2021-05-25 Sell 1,736 $35.45 61,541
Prelude Therapeutics Inc PRLD
Common Stock
2021-05-25 Sell 3,110 $33.53 104,278
Prelude Therapeutics Inc PRLD
Common Stock
2021-05-25 Sell 399 $36.09 14,400
Prelude Therapeutics Inc PRLD
Common Stock
2021-05-25 Sell 3,088 $34.11 105,332
Prelude Therapeutics Inc PRLD
Common Stock
2021-05-25 Option exercise 8,333 $1.89 15,749
Prelude Therapeutics Inc PRLD
Employee Stock Option (Right to Buy) · derivative
2021-05-25 Option exercise 8,333 $0.00
Medgenics Inc GNMX
Stock Option (Right to Purchase) · derivative
2018-06-14 Grant 238,000 $0.00
Medgenics Inc GNMX
Stock Option (Right to Purchase) · derivative
2018-05-14 Grant 270,000 $0.00
Medgenics Inc GNMX
Stock Option (Right to Purchase) · derivative
2017-08-11 Grant 380,000 $0.00
Medgenics Inc GNMX
Stock Option (Right to Purchase) · derivative
2017-02-17 Grant 190,000 $0.00
Medgenics Inc MDGN
Option Award (right to buy) · derivative
2016-04-15 Grant 150,000 $0.00
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