Edward T. Mathers
SVP, Corporate Dev., MEDIMMUNE INC /DE.
Companies
- Bright HealthBoard member Oct 6, 2025 to now1
- MBX Biosciences, Inc.Board member Sep 12, 2024 to now2
- Senti Biosciences Holdings, Inc.Board member Jun 15, 2022 to now3
- OnKure Therapeutics, Inc.Board member Apr 8, 2021 to now4
- Inozyme Pharma, Inc.Board member Jul 23, 2020 to now5
- Trevi Therapeutics, Inc.Board member May 7, 2019 to now6
- Rhythm (United states)Board member Oct 4, 2017 to now7
- SYNLOGIC, INC.Board member Sep 30, 2015 to Jun 26, 20238
- ObsEva SABoard member Jan 3, 2023 to Jan 3, 20239
- Akouos, Inc.Board member Jun 25, 2020 to Dec 2, 202210
- Mirum PharmaceuticalsBoard member Jul 17, 2019 to Jun 6, 202211
- Liquidia Technologies (United States)Board member Jul 25, 2018 to Jul 27, 201812
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Shares held
- MBX Biosciences, Inc. MBX3,614,486 shares13$189.8M at $52.51Sep 16, 2024
- Trevi Therapeutics, Inc. TRVI948,948 shares14$11.3M at $11.93Apr 11, 2022
- Rhythm (United states) RYTM21,168 shares15$1.9M at $88.25Mar 16, 2026
- OnKure Therapeutics, Inc. OKUR15,310 shares16$33.0K at $2.15Dec 31, 2025
Bright Health BHG0 shares17Oct 2, 2025
As of each latest filing. The line shows shares held over time.
Recent filings
- Mar 12, 2026Other 4,199 shares of Rhythm (United states)15
- Mar 10, 2026Bought 207,100 shares at $11.11 of Korro Bio, Inc.18
- Mar 2, 2026Other 4,198 shares of Rhythm (United states)19
- Feb 9, 2026Bought 937,500 shares at $16.00 of SpyGlass Pharma, Inc.20
- Feb 9, 2026Converted 737,962 shares of SpyGlass Pharma, Inc.20
- Feb 9, 2026Converted 1,370,168 shares of SpyGlass Pharma, Inc.20
- Feb 9, 2026Converted 1,370,168 shares of SpyGlass Pharma, Inc.20
- Feb 9, 2026Converted 1,619,240 shares of SpyGlass Pharma, Inc.20
- Dec 31, 2025Granted 3,911 shares of OnKure Therapeutics, Inc.16
- Oct 2, 2025Returned to company 2,384,873 shares of Bright Health17
- Oct 2, 2025Shares withheld for tax 182 shares at $6.75 of Bright Health17
- Oct 2, 2025Exercised options 124,085 shares at $0.01 of Bright Health17
- Oct 2, 2025Sold 900 shares at $6.75 of Bright Health17
- Oct 2, 2025Exercised 607,536 shares at $0.01 of Bright Health17
- Oct 2, 2025Sold 2,455 shares at $6.75 of Bright Health17
- Oct 2, 2025Exercised 1,656,789 shares at $0.01 of Bright Health17
- Oct 2, 2025Returned to company 674,554 shares of Bright Health17
- Oct 2, 2025Shares withheld for tax 276 shares at $6.75 of Bright Health17
- Oct 2, 2025Exercised options 186,128 shares at $0.01 of Bright Health17
- Oct 2, 2025Sold 280 shares at $6.75 of Bright Health17
- Oct 2, 2025Exercised 189,195 shares at $0.01 of Bright Health17
- Sep 30, 2025Granted 4,125 shares of OnKure Therapeutics, Inc.21
- Jun 30, 2025Granted 4,694 shares of OnKure Therapeutics, Inc.22
- Jun 18, 2025Exercised options 4,000 shares of Rhythm (United states)23
- Mar 31, 2025Granted 2,580 shares of OnKure Therapeutics, Inc.24
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1SEC EDGARBright Health, Board member
- 2SEC EDGARMBX Biosciences, Inc., Board member
- 3
- 4
- 5SEC EDGARInozyme Pharma, Inc., Board member
- 6
- 7SEC EDGARRhythm (United states), Board member
- 8SEC EDGARSYNLOGIC, INC., Board member
- 9SEC EDGARObsEva SA, Board member
- 10SEC EDGARAkouos, Inc., Board member
- 11SEC EDGARMirum Pharmaceuticals, Board member
- 12
- 13
- 14
- 15
- 16
- 17
- 18SEC EDGARForm 4 filed Mar 12, 2026
- 19SEC EDGARForm 4 filed Mar 4, 2026
- 20SEC EDGARForm 4 filed Feb 11, 2026
- 21SEC EDGARForm 4 filed Oct 2, 2025
- 22SEC EDGARForm 4 filed Jul 2, 2025
- 23SEC EDGARForm 4 filed Jun 23, 2025
- 24SEC EDGARForm 4 filed Apr 2, 2025