Winston J. Churchill

Companies

• Amkor TechnologyBoard member Aug 10, 2006 to now¹
• Societal CDMO, Inc.Board member Mar 13, 2014 to Apr 8, 2024²
• INNOVATIVE SOLUTIONS & SUPPORT INCBoard member Oct 5, 2006 to Jan 5, 2023³
• Baudax Bio, Inc.Board member Dec 2, 2019 to Jun 17, 2022⁴
• INDUS REALTY TRUST, INC.Board member May 18, 2006 to May 13, 2015⁵

Holdings

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

Shares held

• Amkor Technology AMKR28,681 shares⁶$1.2M at $41.95Jul 30, 2026
• ISINNOVATIVE SOLUTIONS & SUPPORT INC IA9,523 shares⁷$190.7K at $20.02Jun 13, 2023
• SCSocietal CDMO, Inc.0 shares⁸Apr 8, 2024
• BBBaudax Bio, Inc.46,820 shares⁹Jun 15, 2022

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

Recent filings

• Jul 30, 2026Gift 100 shares of Amkor Technology⁶
• Jun 12, 2026Sold 5,000 shares at $78.20 of Amkor Technology¹⁰
• Jun 12, 2026Exercised options 5,000 shares at $19.39 of Amkor Technology¹⁰
• May 13, 2026Exercised options 9,893 shares of Amkor Technology¹¹
• May 5, 2026Sold 7,000 shares at $76.45 of Amkor Technology¹²
• Dec 15, 2025Sold 5,000 shares at $44.29 of Amkor Technology¹³
• Dec 15, 2025Exercised options 5,000 shares at $19.39 of Amkor Technology¹³
• May 14, 2025Exercised options 6,017 shares of Amkor Technology¹⁴
• Aug 27, 2024Sold 20,000 shares at $32.97 of Amkor Technology¹⁵
• Aug 27, 2024Exercised options 20,000 shares at $11.71 of Amkor Technology¹⁵
• May 14, 2024Exercised options 8,571 shares of Amkor Technology¹⁶
• Apr 8, 2024Returned to company 73,620 shares at $1.10 of Societal CDMO, Inc.⁸
• Apr 8, 2024U 227,982 shares at $1.10 of Societal CDMO, Inc.⁸
• Mar 7, 2024Sold 11,903 shares at $36.20 of Amkor Technology¹⁷
• Aug 28, 2023Bought 62,500 shares at $0.40 of Societal CDMO, Inc.¹⁸
• Jun 13, 2023Sold 3,499 shares at $6.90 of INNOVATIVE SOLUTIONS & SUPPORT INC⁷
• Jun 6, 2023Sold 14 shares at $6.90 of INNOVATIVE SOLUTIONS & SUPPORT INC¹⁹
• Jun 5, 2023Sold 1,556 shares at $6.90 of INNOVATIVE SOLUTIONS & SUPPORT INC¹⁹
• May 19, 2023Sold 900 shares at $7.00 of INNOVATIVE SOLUTIONS & SUPPORT INC²⁰
• May 18, 2023Sold 80 shares at $7.00 of INNOVATIVE SOLUTIONS & SUPPORT INC²⁰
• May 17, 2023Sold 300 shares at $7.00 of INNOVATIVE SOLUTIONS & SUPPORT INC²⁰
• May 17, 2023Granted 73,620 shares of Societal CDMO, Inc.²¹
• May 16, 2023Exercised options 8,809 shares of Amkor Technology²²
• Apr 18, 2023Granted 1,742 shares of INNOVATIVE SOLUTIONS & SUPPORT INC²³
• Feb 16, 2023Sold 20,000 shares at $27.29 of Amkor Technology²⁴