Samuel Bates Martin

Companies

• Celldex TherapeuticsChief financial officer Jul 5, 2017 to now¹

Holdings

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

Shares held

• Celldex Therapeutics CLDX32,942 shares²$973.4K at $29.55Jan 2, 2026

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

Recent filings

• Jan 2, 2026Exercised options 4,817 shares at $10.38 of Celldex Therapeutics²
• Jun 14, 2024Sold 17,172 shares at $35.42 of Celldex Therapeutics³
• Jun 14, 2024Exercised options 16,968 shares at $10.38 of Celldex Therapeutics³
• Jun 14, 2024Exercised options 3,201 shares at $9.02 of Celldex Therapeutics³
• May 30, 2024Sold 35,000 shares at $34.05 of Celldex Therapeutics⁴
• May 30, 2024Exercised options 25,000 shares at $10.38 of Celldex Therapeutics⁴
• Jan 2, 2024Exercised options 10,750 shares at $2.78 of Celldex Therapeutics⁵
• Aug 12, 2022Sold 1,221 shares at $34.62 of Celldex Therapeutics⁶
• Aug 12, 2022Sold 2,065 shares at $35.38 of Celldex Therapeutics⁶
• Aug 12, 2022Sold 14,261 shares at $36.76 of Celldex Therapeutics⁶
• Aug 12, 2022Exercised options 13,671 shares at $2.78 of Celldex Therapeutics⁶
• Aug 12, 2022Exercised options 3,876 shares at $9.02 of Celldex Therapeutics⁶
• Aug 11, 2022Sold 2,453 shares at $37.04 of Celldex Therapeutics⁶
• Aug 11, 2022Exercised options 2,453 shares at $9.02 of Celldex Therapeutics⁶
• Dec 23, 2021Sold 9,500 shares at $42.00 of Celldex Therapeutics⁷
• Dec 23, 2021Exercised options 3,750 shares at $2.78 of Celldex Therapeutics⁷
• Dec 23, 2021Exercised options 3,250 shares at $9.02 of Celldex Therapeutics⁷
• Nov 15, 2021Sold 2,048 shares at $42.27 of Celldex Therapeutics⁸
• Nov 15, 2021Sold 7,452 shares at $43.92 of Celldex Therapeutics⁸
• Nov 15, 2021Exercised options 3,750 shares at $2.78 of Celldex Therapeutics⁸
• Nov 15, 2021Exercised options 3,250 shares at $9.02 of Celldex Therapeutics⁸