Jerome B. Zeldis

Companies

• NEXGEL, INC.Board member Mar 12, 2021 to now¹
• PTC TherapeuticsBoard member Jun 19, 2013 to now²
• SOLIGENIX, INC.Board member Jun 24, 2011 to now³
• NexImmune, Inc.EVP of R&D Feb 11, 2021 to Apr 7, 2022⁴
• Streamex Corp.Board member Jul 20, 2015 to Jul 15, 2020⁵
• Sorrento TherapeuticsOfficer Nov 15, 2016 to Nov 27, 2018⁶
• Beyond Air, Inc.Board member Apr 19, 2017 to Apr 19, 2017⁷

Holdings

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

Shares held

• PTC Therapeutics PTCT22,500 shares⁸$1.4M at $60.99Jan 2, 2026
• NNEXGEL, INC. NXGL106,664 shares⁹$552.5K at $5.18Nov 20, 2024

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

Recent filings

• Jan 2, 2026Granted 4,000 shares of PTC Therapeutics⁸
• Jan 3, 2025Granted 4,000 shares of PTC Therapeutics¹⁰
• Dec 2, 2024Sold 3,667 shares at $52.39 of PTC Therapeutics¹¹
• Dec 2, 2024Sold 2,634 shares at $51.43 of PTC Therapeutics¹¹
• Dec 2, 2024Sold 5,699 shares at $50.52 of PTC Therapeutics¹¹
• Dec 2, 2024Exercised options 12,000 shares at $30.86 of PTC Therapeutics¹¹
• Dec 2, 2024Sold 3,187 shares at $52.42 of PTC Therapeutics¹¹
• Dec 2, 2024Sold 8,813 shares at $51.44 of PTC Therapeutics¹¹
• Dec 2, 2024Exercised options 12,000 shares at $51.00 of PTC Therapeutics¹¹
• Nov 20, 2024Bought 3,636 shares at $2.75 of NEXGEL, INC.⁹
• Aug 23, 2024Bought 10,000 shares at $2.50 of NEXGEL, INC.¹²
• May 22, 2024Sold 20,000 shares at $38.24 of PTC Therapeutics¹³
• May 22, 2024Exercised options 20,000 shares at $26.42 of PTC Therapeutics¹³
• Feb 15, 2024Granted 4,000 shares of PTC Therapeutics¹⁴
• May 26, 2023Bought 5,000 shares at $2.34 of NEXGEL, INC.¹⁵
• Jan 5, 2023Granted 4,000 shares of PTC Therapeutics¹⁶
• Mar 25, 2022Bought 5,300 shares at $1.89 of NEXGEL, INC.¹⁷
• Jan 7, 2022Granted 3,200 shares of PTC Therapeutics¹⁸
• Dec 27, 2021Bought 9,091 shares at $5.49 of NEXGEL, INC.¹⁹