Robert Ainscow

Companies

• ASP Isotopes Inc.Chief executive officer Oct 16, 2025 to now¹
• ASP Isotopes Inc.Chief operating officer Jul 15, 2024 to now²
• ASP Isotopes Inc.Chief financial officer Nov 14, 2022 to Feb 17, 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

• AIASP Isotopes Inc. ASPI2,248,441 shares⁴$4.4M at $1.95Sep 8, 2026

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

Recent filings

• Sep 8, 2026Sold 8,438 shares at $4.29 of ASP Isotopes Inc.⁴
• Sep 2, 2026Sold 25,000 shares at $3.91 of ASP Isotopes Inc.⁵
• Jun 8, 2026Sold 8,438 shares at $7.00 of ASP Isotopes Inc.⁶
• May 28, 2026Granted 800,000 shares of ASP Isotopes Inc.⁷
• Apr 16, 2026Sold 22,500 shares at $5.21 of ASP Isotopes Inc.⁸
• Mar 6, 2026Sold 8,438 shares at $5.44 of ASP Isotopes Inc.⁹
• Mar 6, 2026Sold 25,000 shares at $4.51 of ASP Isotopes Inc.¹⁰
• Dec 8, 2025Sold 8,438 shares at $6.20 of ASP Isotopes Inc.¹¹
• Nov 25, 2025Sold 25,000 shares at $5.77 of ASP Isotopes Inc.¹²
• Nov 17, 2025Sold 67,500 shares at $7.51 of ASP Isotopes Inc.¹³
• Oct 14, 2025Sold 22,500 shares at $13.60 of ASP Isotopes Inc.¹⁴
• Sep 9, 2025Shares withheld for tax 31,652 shares at $8.53 of ASP Isotopes Inc.¹⁵
• Sep 9, 2025Exercised options 135,000 shares at $2.00 of ASP Isotopes Inc.¹⁵
• Sep 9, 2025Shares withheld for tax 2,813 shares at $8.53 of ASP Isotopes Inc.¹⁵
• Sep 9, 2025Exercised options 12,000 shares at $2.00 of ASP Isotopes Inc.¹⁵
• Sep 9, 2025Shares withheld for tax 4,396 shares at $8.53 of ASP Isotopes Inc.¹⁵
• Sep 9, 2025Exercised options 150,000 shares at $0.25 of ASP Isotopes Inc.¹⁵
• Sep 8, 2025Sold 8,438 shares at $8.53 of ASP Isotopes Inc.¹⁵
• Apr 17, 2025Sold 66,668 shares at $5.62 of ASP Isotopes Inc.¹⁶
• Apr 16, 2025Sold 66,666 shares at $5.45 of ASP Isotopes Inc.¹⁶
• Apr 15, 2025Sold 66,666 shares at $5.75 of ASP Isotopes Inc.¹⁶
• Apr 14, 2025Granted 400,000 shares of ASP Isotopes Inc.¹⁷
• Sep 6, 2024Granted 300,000 shares of ASP Isotopes Inc.¹⁸
• Jul 15, 2024Bought 19,992 shares of ASP Isotopes Inc.¹⁹
• Dec 30, 2022Granted 50,000 shares of ASP Isotopes Inc.²⁰