Ken Takanashi

Companies

• Wave Life SciencesBoard member Nov 10, 2015 to now¹
• Satsuma Pharmaceuticals, Inc.Board member Sep 12, 2019 to Jun 8, 2023²

Holdings

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

Shares held

• WLWave Life Sciences WVE9,626,487 shares³$30.6M at $3.17Aug 13, 2026
• SPSatsuma Pharmaceuticals, Inc.24,847,694 shares⁴Jun 6, 2023

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

Recent filings

• Aug 11, 2026Sold 3,864 shares at $6.01 of Wave Life Sciences³
• Mar 23, 2026Converted 3,901,348 shares of Wave Life Sciences⁵
• Aug 11, 2025Granted 12,700 shares of Wave Life Sciences⁶
• Aug 5, 2025Sold 4,872 shares at $8.75 of Wave Life Sciences⁷
• Aug 12, 2024Granted 16,115 shares of Wave Life Sciences⁸
• Jun 6, 2023Bought 22,053,581 shares at $0.91 of Satsuma Pharmaceuticals, Inc.⁴