Caley Castelein

Companies

• Tourmaline Bio, Inc.Board member Oct 23, 2023 to now¹
• Whitehawk Therapeutics, Inc.Board member Mar 17, 2017 to now²
• ViewRayBoard member Mar 30, 2016 to Jul 21, 2023³

Holdings

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

Shares held

• WTWhitehawk Therapeutics, Inc. WHWK2,440,794 shares⁴$7.5M at $3.06May 18, 2026
• TBTourmaline Bio, Inc.0 shares⁵Oct 28, 2025

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

Recent filings

• May 14, 2026Granted 255,102 shares at $3.92 of Whitehawk Therapeutics, Inc.⁴
• Oct 28, 2025U 431,939 shares of Tourmaline Bio, Inc.⁵
• Oct 28, 2025U 515,997 shares of Tourmaline Bio, Inc.⁵
• Oct 15, 2025Gift 522 shares of Tourmaline Bio, Inc.⁶
• Mar 4, 2025Granted 1,666,000 shares at $2.40 of Whitehawk Therapeutics, Inc.⁷
• Oct 27, 2023Bought 15,800 shares at $14.55 of Tourmaline Bio, Inc.⁸
• Oct 25, 2023Bought 4,200 shares at $12.07 of Tourmaline Bio, Inc.⁸
• Oct 19, 2023Granted 458,039 shares of Tourmaline Bio, Inc.⁹
• Oct 19, 2023Granted 496,519 shares of Tourmaline Bio, Inc.⁹
• Jul 19, 2023Sold 1,545,600 shares at $0.07 of CIK 1597313¹⁰
• Jul 19, 2023Sold 641,033 shares at $0.07 of CIK 1597313¹⁰
• Jul 19, 2023Sold 158,397 shares at $0.07 of CIK 1597313¹⁰
• Jan 3, 2023Granted 16,590 shares at $4.40 of CIK 1597313¹¹
• Sep 26, 2022Granted 240,000 shares at $12.50 of Whitehawk Therapeutics, Inc.¹²
• Jun 13, 2022Granted 54,511 shares of CIK 1597313¹³
• May 11, 2022Bought 1,065,000 shares at $2.54 of CIK 1597313¹⁴
• May 10, 2022Bought 350,000 shares at $2.57 of CIK 1597313¹⁴
• Jan 3, 2022Granted 12,521 shares at $5.83 of CIK 1597313¹⁵