Positions

Position Company Period
Independent Director Neovacs SA May 4, 2011 -
Independent Director Palatin Technologies Inc June 1, 2015 -
Independent Director Viveve Medical Inc Jan. 1, 2017 -
Independent Director Viridian Therapeutics Inc Jan. 3, 2018 -
Independent Director Cogent Biosciences, Inc. July 26, 2019 -
Independent Director Dimension Therapeutics Inc Aug. 1, 2015 - Nov. 7, 2017
Director Viveve Medical Inc May 11, 2016 - Jan. 1, 2017
Director Albireo Pharma Inc May 15, 2015 - Nov. 3, 2016
President, Chief Executive Officer, Director Syndax Pharmaceuticals, Inc. Sept. 1, 2013 - May 12, 2015
Chief Executive Officer, Director Syndax Pharmaceuticals, Inc. March 1, 2012 - Sept. 1, 2013
Independent Director MediciNova Inc May 1, 2006 - June 14, 2013
Director Syndax Pharmaceuticals, Inc. May 1, 2011 - March 1, 2012

Arlene Morris's trades of Cogent Biosciences, Inc.'s stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Proposed sale
Price
480.82
Quantity 88,126
Value US$3,953,429
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value
Number of shares Price Value Details
2026-08-31 2026-08-27 PlS Planned sale
16,585 -6.2%
85.04
US$2,522,315
16,585 -6.2% 85.04 US$2,522,315
2026-08-31 2026-08-27 PlS Planned sale
8,509 -28.6%
106.60
US$159,648
8,509 -28.6% 106.60 US$159,648
2026-08-27 2026-08-27 PrS Proposed sale
88,126
480.82
US$3,953,429
88,126 480.82 US$3,953,429