Richard I. Steinhart

Companies

• BioXcel Therapeutics, Inc.Chief financial officer Mar 7, 2018 to now¹
• Atossa Therapeutics (United States)Board member Mar 4, 2014 to now²
• Actinium Pharmaceuticals, Inc.Board member Nov 13, 2013 to now³
• MELA SciencesChief financial officer May 2, 2006 to Aug 8, 2013⁴
• TG TherapeuticsBoard member Jan 31, 2007 to Mar 10, 2010⁵

Holdings

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

Shares held

• APActinium Pharmaceuticals, Inc. ATNM63,116 shares⁶$84.9K at $1.34Sep 2, 2026
• Atossa Therapeutics (United States) ATOS10,000 shares⁷$25.4K at $2.54May 12, 2026
• BTBioXcel Therapeutics, Inc. BTAIQ26,335 shares⁸$658 at $0.03Jun 15, 2026

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

Recent filings

• Sep 2, 2026Granted 62,800 shares of Actinium Pharmaceuticals, Inc.⁶
• Jun 15, 2026Exercised options 35 shares of BioXcel Therapeutics, Inc.⁸
• May 20, 2026Sold 6,845 shares at $1.09 of BioXcel Therapeutics, Inc.⁹
• May 12, 2026Granted 10,000 shares of Atossa Therapeutics (United States)⁷
• May 4, 2026Exercised options 17,500 shares of BioXcel Therapeutics, Inc.⁹
• May 1, 2026Exercised options 9,000 shares of BioXcel Therapeutics, Inc.¹⁰
• Mar 15, 2026Exercised options 35 shares of BioXcel Therapeutics, Inc.¹¹
• Mar 14, 2026Exercised options 33 shares of BioXcel Therapeutics, Inc.¹¹
• Dec 15, 2025Exercised options 35 shares of BioXcel Therapeutics, Inc.¹²
• Dec 14, 2025Exercised options 33 shares of BioXcel Therapeutics, Inc.¹²
• Sep 15, 2025Exercised options 35 shares of BioXcel Therapeutics, Inc.¹³
• Sep 14, 2025Exercised options 33 shares of BioXcel Therapeutics, Inc.¹³
• Jul 22, 2025Exercised options 625 shares of BioXcel Therapeutics, Inc.¹⁴
• Jul 22, 2025Granted 4,375 shares of BioXcel Therapeutics, Inc.¹⁴
• Jun 15, 2025Exercised options 35 shares of BioXcel Therapeutics, Inc.¹⁵
• Jun 14, 2025Exercised options 33 shares of BioXcel Therapeutics, Inc.¹⁵
• Mar 15, 2025Exercised options 34 shares of BioXcel Therapeutics, Inc.¹⁶
• Mar 14, 2025Exercised options 31 shares of BioXcel Therapeutics, Inc.¹⁶
• Dec 16, 2024Sold 372 shares at $0.36 of BioXcel Therapeutics, Inc.¹⁷
• Dec 16, 2024Sold 205 shares at $0.36 of BioXcel Therapeutics, Inc.¹⁷
• Dec 15, 2024Exercised options 562 shares of BioXcel Therapeutics, Inc.¹⁷
• Dec 14, 2024Exercised options 521 shares of BioXcel Therapeutics, Inc.¹⁷
• Oct 3, 2024Sold 7,175 shares at $0.55 of BioXcel Therapeutics, Inc.¹⁸
• Sep 17, 2024Granted 21,250 shares of BioXcel Therapeutics, Inc.¹⁸
• Sep 16, 2024Sold 356 shares at $0.69 of BioXcel Therapeutics, Inc.¹⁹