John Tsai

Companies

• Blueprint Medicines CorpBoard member Jan 9, 2023 to now¹

Holdings

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

Shares held

• BMBlueprint Medicines Corp0 shares²Jul 17, 2025

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

Recent filings

• Jul 17, 2025U 8,742 shares of Blueprint Medicines Corp²
• Jul 17, 2025Returned to company 3,902 shares of Blueprint Medicines Corp²
• Jun 18, 2025Granted 3,902 shares at $128.12 of Blueprint Medicines Corp³
• Jun 12, 2024Granted 2,242 shares of Blueprint Medicines Corp⁴
• Jun 21, 2023Granted 2,600 shares of Blueprint Medicines Corp⁵
• Jan 6, 2023Granted 3,900 shares of Blueprint Medicines Corp⁶