Timothy A. Springer

Companies

• Tectonic Therapeutic, Inc.Board member Jun 24, 2024 to now¹
• Selecta Biosciences (United States)Board member Jun 21, 2016 to now²
• Morphic Holding, Inc.Board member Jun 26, 2019 to Aug 20, 2024³
• Scholar Rock Holding CorpBoard member May 23, 2018 to Sep 5, 2019⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• TTTectonic Therapeutic, Inc. TECX4,520,980 shares⁵$95.8M at $21.20Apr 11, 2025
• SBSelecta Biosciences (United States) RNAC9,302,798 shares⁶$56.6M at $6.08Jan 6, 2026
• MMorphic Holding, Inc.0 shares⁷Aug 16, 2024

As of each latest filing. The line shows shares held over time.

Recent filings

• Jan 2, 2026Granted 2,600 shares of Selecta Biosciences (United States)⁶
• Apr 11, 2025Bought 36,338 shares at $10.77 of Selecta Biosciences (United States)⁸
• Apr 11, 2025Bought 6,412 shares at $10.77 of Selecta Biosciences (United States)⁸
• Apr 11, 2025Bought 53,706 shares at $16.31 of Tectonic Therapeutic, Inc.⁵
• Apr 11, 2025Bought 9,478 shares at $16.31 of Tectonic Therapeutic, Inc.⁵
• Apr 10, 2025Bought 3,451 shares at $10.92 of Selecta Biosciences (United States)⁸
• Apr 10, 2025Bought 45,144 shares at $10.43 of Selecta Biosciences (United States)⁸
• Apr 10, 2025Bought 45,858 shares at $16.73 of Tectonic Therapeutic, Inc.⁵
• Apr 10, 2025Bought 609 shares at $10.92 of Selecta Biosciences (United States)⁸
• Apr 10, 2025Bought 7,966 shares at $10.43 of Selecta Biosciences (United States)⁸
• Apr 10, 2025Bought 8,092 shares at $16.73 of Tectonic Therapeutic, Inc.⁵
• Apr 9, 2025Bought 4,856 shares at $15.23 of Tectonic Therapeutic, Inc.⁵
• Apr 9, 2025Bought 16,215 shares at $14.62 of Tectonic Therapeutic, Inc.⁵
• Apr 9, 2025Bought 178 shares at $9.95 of Selecta Biosciences (United States)⁸
• Apr 9, 2025Bought 41,604 shares at $9.43 of Selecta Biosciences (United States)⁸
• Apr 9, 2025Bought 31 shares at $9.95 of Selecta Biosciences (United States)⁸
• Apr 9, 2025Bought 857 shares at $15.23 of Tectonic Therapeutic, Inc.⁵
• Apr 9, 2025Bought 7,342 shares at $9.43 of Selecta Biosciences (United States)⁸
• Apr 9, 2025Bought 2,861 shares at $14.62 of Tectonic Therapeutic, Inc.⁵
• Apr 7, 2025Bought 412,500 shares at $17.10 of Tectonic Therapeutic, Inc.⁹
• Apr 7, 2025Bought 87,500 shares at $17.10 of Tectonic Therapeutic, Inc.⁹
• Mar 20, 2025Bought 54,889 shares at $15.59 of Selecta Biosciences (United States)¹⁰
• Mar 19, 2025Bought 20,234 shares at $14.97 of Selecta Biosciences (United States)¹⁰
• Mar 18, 2025Bought 14,740 shares at $14.42 of Selecta Biosciences (United States)¹⁰
• Feb 5, 2025Bought 660,000 shares at $50.00 of Tectonic Therapeutic, Inc.¹¹