SEC Insider Transactions from Lettmann Jason.

Last updated: 2026-03-23 21:02 UTC | Total transactions: 16

Jason Lettmann, CEO of ALX Oncology Holdings Inc. ($ALXO), made two open market purchases totaling nearly $100,000 in the last year, with the most recent on September 17, 2025. These buys rank 2,350th among nearly 5,000 insiders, below the average of 1.5 million per person across 3.3 transactions. He also sold shares once for $1,525 on August 15, 2025, ranking 11,525th among nearly 12,000 insiders, well under the average of 8.6 million across 6.4 transactions.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 19, 2026 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER S Common Stock 12311 $2.17 293,609.0000 54,218,001 4.02% 0.02%
Feb. 17, 2026 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER F Common Stock 2201 $2.27 305,920.0000 54,218,001 0.71% 0.00%
Jan. 26, 2026 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER A Stock option (right to buy) 912000 $0.00 912,000.0000 54,218,001 9999.99% 1.68%
Oct. 14, 2025 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER A Employee Stock Option (right to buy) 597500 $0.00 597,500.0000 53,384,145 9999.99% 1.12%
Sept. 16, 2025 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER P Common Stock 21070 $1.07 233,958.0000 53,384,145 9.90% 0.04%
Sept. 17, 2025 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER P Common Stock 71163 $1.08 305,121.0000 53,384,145 30.42% 0.13%
Aug. 15, 2025 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER S Common Stock 2382 $0.64 212,888.0000 53,384,145 1.11% 0.00%
April 11, 2025 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER A Employee Stock Option (right to buy) 125000 $0.00 125,000.0000 53,384,145 9999.99% 0.23%
March 14, 2025 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER A Common Stock 42000 $0.00 212,270.0000 53,384,145 24.67% 0.08%
Feb. 19, 2025 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER S Common Stock 2159 $1.15 170,270.0000 0 1.25% 0.00%
Jan. 21, 2025 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER A Employee Stock Option (right to buy) 478000 $0.00 478,000.0000 0 9999.99% 0.00%
Dec. 2, 2024 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER A Employee Stock Option (right to buy) 200000 $0.00 200,000.0000 0 9999.99% 0.00%
Aug. 14, 2024 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER F Common Stock 2191 $2.58 169,429.0000 0 1.28% 0.00%
March 14, 2024 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER P Common Stock 4400 $11.31 171,620.0000 0 2.63% 0.00%
Feb. 14, 2024 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER A Employee Stock Option 190000 $0.00 190,000.0000 0 9999.99% 0.00%
Feb. 14, 2024 ALX ONCOLOGY HOLDINGS INC $ALXO Lettmann Jason CHIEF EXECUTIVE OFFICER A Common Stock 60000 $0.00 167,220.0000 0 55.96% 0.00%