Thomas Spitznagel

Companies

• MACROGENICS INCVice President, Development May 27, 2016 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

• MMACROGENICS INC MGNX38,543 shares²$129.9K at $3.37Feb 15, 2026

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

Recent filings

• Feb 15, 2026Shares withheld for tax 5,520 shares at $1.71 of MACROGENICS INC²
• Feb 15, 2026Exercised options 13,332 shares of MACROGENICS INC²
• Feb 8, 2026Shares withheld for tax 3,186 shares at $1.81 of MACROGENICS INC³
• Feb 8, 2026Exercised options 8,999 shares of MACROGENICS INC³
• Feb 7, 2026Shares withheld for tax 2,485 shares at $1.81 of MACROGENICS INC³
• Feb 7, 2026Exercised options 6,001 shares of MACROGENICS INC³
• Feb 15, 2025Shares withheld for tax 5,520 shares at $2.56 of MACROGENICS INC⁴
• Feb 15, 2025Exercised options 13,332 shares of MACROGENICS INC⁴
• Feb 8, 2025Shares withheld for tax 3,727 shares at $2.60 of MACROGENICS INC⁵
• Feb 8, 2025Exercised options 9,001 shares of MACROGENICS INC⁵
• Mar 4, 2024Sold 10,000 shares at $20.00 of MACROGENICS INC⁶
• Mar 4, 2024Exercised options 10,000 shares at $11.50 of MACROGENICS INC⁶
• Feb 15, 2024Shares withheld for tax 5,020 shares at $17.40 of MACROGENICS INC⁷
• Feb 15, 2024Exercised options 13,336 shares of MACROGENICS INC⁷