{"transactions":[{"id":1431437,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-08-16T17:09:26.000Z","date":"2024-08-14","kind":"sale","planned":false,"acquired":false,"shares":1365,"price":2.58,"value":3521.7,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units."}],"balance_after":325711,"source":{"system":"sec-edgar","filing":"0001415889-24-021480","document":"form4-08162024_090823.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000141588924021480/form4-08162024_090823.xml","form_type":"4"}},{"id":1460197,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-07-03T17:02:03.000Z","date":"2024-07-01","kind":"sale","planned":false,"acquired":false,"shares":3273,"price":5.8188,"value":19044.9324,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.78 to $5.82, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":327076,"source":{"system":"sec-edgar","filing":"0001415889-24-019224","document":"form4-07032024_090700.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000141588924019224/form4-07032024_090700.xml","form_type":"4"}},{"id":1516079,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-05-15T16:30:33.000Z","date":"2024-05-13","kind":"sale","planned":true,"acquired":false,"shares":1797,"price":16.6716,"value":29958.8652,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 11, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.47 to $16.94, inclusive."}],"balance_after":330349,"source":{"system":"sec-edgar","filing":"0001415889-24-013237","document":"form4-05152024_080510.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000141588924013237/form4-05152024_080510.xml","form_type":"4"}},{"id":1516078,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-05-15T16:30:33.000Z","date":"2024-05-13","kind":"sale","planned":true,"acquired":false,"shares":10203,"price":15.8169,"value":161379.8307,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 11, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.465 to $16.4602, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4."}],"balance_after":332146,"source":{"system":"sec-edgar","filing":"0001415889-24-013237","document":"form4-05152024_080510.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000141588924013237/form4-05152024_080510.xml","form_type":"4"}},{"id":1638481,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Employee Stock Option (right to buy)","published_at":"2024-02-16T18:17:48.000Z","date":"2024-02-14","kind":"grant","planned":false,"acquired":true,"shares":95000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Shares subject to the option vest in 48 equal monthly installments beginning on March 14, 2024."}],"balance_after":95000,"derivative":{"exercise_price":15.84,"expiration_date":"2034-02-13","underlying":"Common Stock","underlying_shares":95000},"source":{"system":"sec-edgar","filing":"0001415889-24-004227","document":"form4-02162024_110240.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000141588924004227/form4-02162024_110240.xml","form_type":"4"}},{"id":1638480,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-02-16T18:17:48.000Z","date":"2024-02-14","kind":"grant","planned":false,"acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported shares are represented by restricted stock units, or RSUs, which vest in eight equal semiannual installments beginning on August 14, 2024."}],"balance_after":342349,"source":{"system":"sec-edgar","filing":"0001415889-24-004227","document":"form4-02162024_110240.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000141588924004227/form4-02162024_110240.xml","form_type":"4"}},{"id":1693005,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2024-01-03T16:25:11.000Z","date":"2023-12-29","kind":"sale","planned":false,"acquired":false,"shares":3128,"price":15.04,"value":47045.12,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units."}],"balance_after":312349,"source":{"system":"sec-edgar","filing":"0001209191-24-000374","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919124000374/doc4.xml","form_type":"4"}},{"id":1822247,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2023-07-27T16:27:05.000Z","date":"2023-07-25","kind":"grant","planned":false,"acquired":true,"shares":107000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Shares subject to the option vest in 48 equal monthly installments beginning on August 3, 2023."}],"balance_after":107000,"derivative":{"exercise_price":5.86,"expiration_date":"2033-07-24","underlying":"Common Stock","underlying_shares":107000},"source":{"system":"sec-edgar","filing":"0001209191-23-043531","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919123043531/doc4.xml","form_type":"4"}},{"id":1822246,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2023-07-27T16:27:05.000Z","date":"2023-07-25","kind":"grant","planned":false,"acquired":true,"shares":34000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported shares are represented by restricted stock units, or RSUs, which vest in eight equal semiannual installments beginning on December 28, 2023."}],"balance_after":315477,"source":{"system":"sec-edgar","filing":"0001209191-23-043531","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919123043531/doc4.xml","form_type":"4"}},{"id":1836608,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2023-07-05T17:09:35.000Z","date":"2023-06-30","kind":"sale","planned":false,"acquired":false,"shares":1605,"price":7.34,"value":11780.7,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units."}],"balance_after":281477,"source":{"system":"sec-edgar","filing":"0001209191-23-041204","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919123041204/doc4.xml","form_type":"4"}},{"id":1857360,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-06-13T16:38:34.000Z","date":"2023-06-09","kind":"exercise","planned":false,"acquired":false,"shares":6256,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares subject to the option vest in 48 equal monthly installments beginning on May 27, 2020."}],"balance_after":19084,"derivative":{"exercise_price":4.81,"expiration_date":"2030-04-27","underlying":"Common Stock","underlying_shares":6256},"source":{"system":"sec-edgar","filing":"0001209191-23-036733","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919123036733/doc4.xml","form_type":"4"}},{"id":1857359,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-06-13T16:38:34.000Z","date":"2023-06-09","kind":"exercise","planned":false,"acquired":false,"shares":2546,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option is subject to an early exercise provision and is immediately exercisable. Shares subject to the option vest in 48 equal monthly installments beginning on April 9, 2020."}],"balance_after":92629,"derivative":{"exercise_price":4.08,"expiration_date":"2030-03-09","underlying":"Common Stock","underlying_shares":2546},"source":{"system":"sec-edgar","filing":"0001209191-23-036733","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919123036733/doc4.xml","form_type":"4"}},{"id":1857358,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-06-13T16:38:34.000Z","date":"2023-06-09","kind":"exercise","planned":false,"acquired":false,"shares":4027,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option is subject to an early exercise provision and is immediately exercisable. Shares subject to the option vest in 48 equal monthly installments beginning on June 16, 2019."}],"balance_after":0,"derivative":{"exercise_price":1.91,"expiration_date":"2029-09-12","underlying":"Common Stock","underlying_shares":4027},"source":{"system":"sec-edgar","filing":"0001209191-23-036733","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919123036733/doc4.xml","form_type":"4"}},{"id":1857357,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2023-06-13T16:38:34.000Z","date":"2023-06-09","kind":"exercise","planned":false,"acquired":true,"shares":6256,"price":4.81,"value":30091.36,"ownership":{"direct":true},"balance_after":283082,"source":{"system":"sec-edgar","filing":"0001209191-23-036733","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919123036733/doc4.xml","form_type":"4"}},{"id":1857356,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2023-06-13T16:38:34.000Z","date":"2023-06-09","kind":"exercise","planned":false,"acquired":true,"shares":2546,"price":4.08,"value":10387.68,"ownership":{"direct":true},"balance_after":276826,"source":{"system":"sec-edgar","filing":"0001209191-23-036733","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919123036733/doc4.xml","form_type":"4"}},{"id":1857355,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2023-06-13T16:38:34.000Z","date":"2023-06-09","kind":"exercise","planned":false,"acquired":true,"shares":4027,"price":1.91,"value":7691.57,"ownership":{"direct":true},"balance_after":274280,"source":{"system":"sec-edgar","filing":"0001209191-23-036733","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919123036733/doc4.xml","form_type":"4"}},{"id":2072818,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2023-01-03T20:47:54.000Z","date":"2022-12-29","kind":"sale","acquired":false,"shares":1617,"price":11.0704,"value":17900.8368,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.07 to $11.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":270253,"source":{"system":"sec-edgar","filing":"0001209191-23-000483","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919123000483/doc4.xml","form_type":"4"}},{"id":2079957,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (right to buy)","published_at":"2022-12-20T17:08:58.000Z","date":"2022-12-16","kind":"exercise","acquired":false,"shares":25339,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares subject to the option vest in 48 equal monthly installments beginning on  May 27, 2020."}],"balance_after":25340,"derivative":{"exercise_price":4.81,"expiration_date":"2030-04-27","underlying":"Common Stock","underlying_shares":25339},"source":{"system":"sec-edgar","filing":"0001209191-22-062178","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919122062178/doc4.xml","form_type":"4"}},{"id":2079956,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (right to buy)","published_at":"2022-12-20T17:08:58.000Z","date":"2022-12-16","kind":"exercise","acquired":false,"shares":12731,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option is subject to an early exercise provision and is immediately exercisable. Shares subject to the option vest in 48 equal monthly installments beginning on April 9, 2020."}],"balance_after":95175,"derivative":{"exercise_price":4.08,"expiration_date":"2030-03-09","underlying":"Common Stock","underlying_shares":12731},"source":{"system":"sec-edgar","filing":"0001209191-22-062178","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919122062178/doc4.xml","form_type":"4"}},{"id":2079955,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (right to buy)","published_at":"2022-12-20T17:08:58.000Z","date":"2022-12-16","kind":"exercise","acquired":false,"shares":8404,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option is subject to an early exercise provision and is immediately exercisable. Shares subject to the option vest in 48 equal monthly installments beginning on June 16, 2019."}],"balance_after":4027,"derivative":{"exercise_price":1.91,"expiration_date":"2029-09-12","underlying":"Common Stock","underlying_shares":8404},"source":{"system":"sec-edgar","filing":"0001209191-22-062178","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919122062178/doc4.xml","form_type":"4"}},{"id":2079954,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2022-12-20T17:08:58.000Z","date":"2022-12-16","kind":"exercise","acquired":true,"shares":25339,"price":4.81,"value":121880.59,"ownership":{"direct":true},"balance_after":271870,"source":{"system":"sec-edgar","filing":"0001209191-22-062178","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919122062178/doc4.xml","form_type":"4"}},{"id":2079953,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2022-12-20T17:08:58.000Z","date":"2022-12-16","kind":"exercise","acquired":true,"shares":12731,"price":4.08,"value":51942.48,"ownership":{"direct":true},"balance_after":246531,"source":{"system":"sec-edgar","filing":"0001209191-22-062178","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919122062178/doc4.xml","form_type":"4"}},{"id":2079952,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2022-12-20T17:08:58.000Z","date":"2022-12-16","kind":"exercise","acquired":true,"shares":8404,"price":1.91,"value":16051.64,"ownership":{"direct":true},"balance_after":233800,"source":{"system":"sec-edgar","filing":"0001209191-22-062178","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919122062178/doc4.xml","form_type":"4"}},{"id":2191017,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2022-08-09T18:10:49.000Z","date":"2022-08-05","kind":"grant","acquired":true,"shares":123000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Shares subject to the option vest in 48 equal monthly installments beginning on August 1, 2022."}],"balance_after":123000,"derivative":{"exercise_price":11.47,"expiration_date":"2032-08-04","underlying":"Common Stock","underlying_shares":123000},"source":{"system":"sec-edgar","filing":"0001209191-22-045067","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919122045067/doc4.xml","form_type":"4"}},{"id":2191016,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2022-08-09T18:10:49.000Z","date":"2022-08-05","kind":"grant","acquired":true,"shares":37000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported shares are represented by restricted stock units, or RSUs, which vest in eight equal semiannual installments beginning on December 28, 2022."}],"balance_after":225396,"source":{"system":"sec-edgar","filing":"0001209191-22-045067","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919122045067/doc4.xml","form_type":"4"}},{"id":2470040,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (right to buy)","published_at":"2021-12-16T20:47:42.000Z","date":"2021-12-15","kind":"exercise","acquired":false,"shares":11059,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option is subject to an early exercise provision and is immediately exercisable. Shares subject to the option vest in 48 equal monthly installments beginning on April 9, 2020."}],"balance_after":12431,"derivative":{"exercise_price":1.91,"expiration_date":"2029-09-12","underlying":"Common Stock","underlying_shares":11059},"source":{"system":"sec-edgar","filing":"0001209191-21-070094","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121070094/doc4.xml","form_type":"4"}},{"id":2470039,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (right to buy)","published_at":"2021-12-16T20:47:42.000Z","date":"2021-12-15","kind":"exercise","acquired":false,"shares":12793,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares subject to the option are fully vested and immediately exercisable."}],"balance_after":0,"derivative":{"exercise_price":0.99,"expiration_date":"2027-03-30","underlying":"Common Stock","underlying_shares":12793},"source":{"system":"sec-edgar","filing":"0001209191-21-070094","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121070094/doc4.xml","form_type":"4"}},{"id":2470038,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-12-16T20:47:42.000Z","date":"2021-12-15","kind":"exercise","acquired":true,"shares":11059,"price":1.91,"value":21122.69,"ownership":{"direct":true},"balance_after":188396,"source":{"system":"sec-edgar","filing":"0001209191-21-070094","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121070094/doc4.xml","form_type":"4"}},{"id":2470037,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-12-16T20:47:42.000Z","date":"2021-12-15","kind":"exercise","acquired":true,"shares":12793,"price":0.99,"value":12665.07,"ownership":{"direct":true},"balance_after":177337,"source":{"system":"sec-edgar","filing":"0001209191-21-070094","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121070094/doc4.xml","form_type":"4"}},{"id":2498576,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (right to buy)","published_at":"2021-11-23T16:29:39.000Z","date":"2021-11-22","kind":"exercise","acquired":false,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option is subject to an early exercise provision and is immediately exercisable. Shares subject to the option vest in 48 equal monthly installments beginning on April 9, 2020."}],"balance_after":107906,"derivative":{"exercise_price":4.08,"expiration_date":"2030-03-09","underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001209191-21-066436","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121066436/doc4.xml","form_type":"4"}},{"id":2498575,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-11-23T16:29:39.000Z","date":"2021-11-22","kind":"sale","acquired":false,"shares":14884,"price":36.772,"value":547314.448,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.54 to $37.10, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":164544,"source":{"system":"sec-edgar","filing":"0001209191-21-066436","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121066436/doc4.xml","form_type":"4"}},{"id":2498574,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-11-23T16:29:39.000Z","date":"2021-11-22","kind":"exercise","acquired":true,"shares":30000,"price":4.08,"value":122400.0,"ownership":{"direct":true},"balance_after":179428,"source":{"system":"sec-edgar","filing":"0001209191-21-066436","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121066436/doc4.xml","form_type":"4"}},{"id":2544599,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-10-12T16:29:57.000Z","date":"2021-10-11","kind":"sale","acquired":false,"shares":2439,"price":61.3553,"value":149645.5767,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.11 to $61.78, inclusive."}],"balance_after":149428,"source":{"system":"sec-edgar","filing":"0001209191-21-060229","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121060229/doc4.xml","form_type":"4"}},{"id":2544598,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-10-12T16:29:57.000Z","date":"2021-10-11","kind":"sale","acquired":false,"shares":4948,"price":60.7874,"value":300776.0552,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.11 to $61.10, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4."}],"balance_after":151867,"source":{"system":"sec-edgar","filing":"0001209191-21-060229","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121060229/doc4.xml","form_type":"4"}},{"id":2572096,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-09-13T19:10:35.000Z","date":"2021-09-10","kind":"sale","acquired":false,"shares":1458,"price":78.3146,"value":114182.6868,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.07 to $78.86, inclusive."}],"balance_after":156815,"source":{"system":"sec-edgar","filing":"0001209191-21-055753","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121055753/doc4.xml","form_type":"4"}},{"id":2572095,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-09-13T19:10:35.000Z","date":"2021-09-10","kind":"sale","acquired":false,"shares":5029,"price":77.6858,"value":390681.8882,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.07 to $78.06, inclusive."}],"balance_after":158273,"source":{"system":"sec-edgar","filing":"0001209191-21-055753","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121055753/doc4.xml","form_type":"4"}},{"id":2572094,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-09-13T19:10:35.000Z","date":"2021-09-10","kind":"sale","acquired":false,"shares":900,"price":76.451,"value":68805.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $76.03 to $76.99, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2), (3) and (4) to this Form 4."}],"balance_after":163302,"source":{"system":"sec-edgar","filing":"0001209191-21-055753","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121055753/doc4.xml","form_type":"4"}},{"id":2607075,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-08-11T16:11:46.000Z","date":"2021-08-10","kind":"sale","acquired":false,"shares":70,"price":65.46,"value":4582.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."}],"balance_after":164202,"source":{"system":"sec-edgar","filing":"0001209191-21-050823","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121050823/doc4.xml","form_type":"4"}},{"id":2607074,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-08-11T16:11:46.000Z","date":"2021-08-10","kind":"sale","acquired":false,"shares":5599,"price":64.7555,"value":362566.0445,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.42 to $65.10, inclusive."}],"balance_after":164272,"source":{"system":"sec-edgar","filing":"0001209191-21-050823","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121050823/doc4.xml","form_type":"4"}},{"id":2607073,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-08-11T16:11:46.000Z","date":"2021-08-10","kind":"sale","acquired":false,"shares":1718,"price":64.1971,"value":110290.6178,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.42 to $64.415, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4."}],"balance_after":169871,"source":{"system":"sec-edgar","filing":"0001209191-21-050823","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121050823/doc4.xml","form_type":"4"}},{"id":2618031,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2021-08-03T17:22:27.000Z","date":"2021-07-30","kind":"grant","acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares subject to the option vest in 48 equal monthly installments beginning on August 30, 2021."}],"balance_after":100000,"derivative":{"exercise_price":58.56,"expiration_date":"2031-07-29","underlying":"Common Stock","underlying_shares":100000},"source":{"system":"sec-edgar","filing":"0001209191-21-049408","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121049408/doc4.xml","form_type":"4"}},{"id":2634129,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-07-14T16:50:33.000Z","date":"2021-07-12","kind":"sale","acquired":false,"shares":300,"price":55.8567,"value":16757.01,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.71 to $56.13, inclusive."}],"balance_after":171589,"source":{"system":"sec-edgar","filing":"0001209191-21-046679","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121046679/doc4.xml","form_type":"4"}},{"id":2634128,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-07-14T16:50:33.000Z","date":"2021-07-12","kind":"sale","acquired":false,"shares":7087,"price":54.8568,"value":388770.1416,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.58 to $55.52, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4."}],"balance_after":171889,"source":{"system":"sec-edgar","filing":"0001209191-21-046679","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121046679/doc4.xml","form_type":"4"}},{"id":2670418,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-06-14T16:08:23.000Z","date":"2021-06-10","kind":"sale","acquired":false,"shares":1794,"price":61.53,"value":110384.82,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.27 to $61.86, inclusive."}],"balance_after":178976,"source":{"system":"sec-edgar","filing":"0001209191-21-040221","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121040221/doc4.xml","form_type":"4"}},{"id":2670417,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-06-14T16:08:23.000Z","date":"2021-06-10","kind":"sale","acquired":false,"shares":4405,"price":60.9021,"value":268273.7505,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.25 to $61.22, inclusive."}],"balance_after":180770,"source":{"system":"sec-edgar","filing":"0001209191-21-040221","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121040221/doc4.xml","form_type":"4"}},{"id":2670416,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-06-14T16:08:23.000Z","date":"2021-06-10","kind":"sale","acquired":false,"shares":1188,"price":59.7965,"value":71038.242,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.24 to $60.19, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (4) to this Form 4."}],"balance_after":185175,"source":{"system":"sec-edgar","filing":"0001209191-21-040221","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121040221/doc4.xml","form_type":"4"}},{"id":2718876,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-05-11T16:16:04.000Z","date":"2021-05-10","kind":"sale","acquired":false,"shares":73,"price":64.56,"value":4712.88,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."}],"balance_after":186363,"source":{"system":"sec-edgar","filing":"0001209191-21-031638","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121031638/doc4.xml","form_type":"4"}},{"id":2718875,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-05-11T16:16:04.000Z","date":"2021-05-10","kind":"sale","acquired":false,"shares":956,"price":62.7892,"value":60026.4752,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.64 to $63.13, inclusive."}],"balance_after":186436,"source":{"system":"sec-edgar","filing":"0001209191-21-031638","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121031638/doc4.xml","form_type":"4"}},{"id":2718874,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-05-11T16:16:04.000Z","date":"2021-05-10","kind":"sale","acquired":false,"shares":4433,"price":62.12,"value":275377.96,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.64 to $62.59, inclusive."}],"balance_after":187392,"source":{"system":"sec-edgar","filing":"0001209191-21-031638","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121031638/doc4.xml","form_type":"4"}},{"id":2718873,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-05-11T16:16:04.000Z","date":"2021-05-10","kind":"sale","acquired":false,"shares":1925,"price":61.1191,"value":117654.2675,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.61 to $61.45, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (4) to this Form 4."}],"balance_after":191825,"source":{"system":"sec-edgar","filing":"0001209191-21-031638","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000120919121031638/doc4.xml","form_type":"4"}},{"id":2750524,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-04-13T16:05:13.000Z","date":"2021-04-12","kind":"sale","acquired":false,"shares":284,"price":63.5095,"value":18036.698,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.05 to $63.77, inclusive."}],"balance_after":193750,"source":{"system":"sec-edgar","filing":"0000899243-21-015610","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000089924321015610/doc4.xml","form_type":"4"}},{"id":2750523,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-04-13T16:05:13.000Z","date":"2021-04-12","kind":"sale","acquired":false,"shares":259,"price":61.5948,"value":15953.0532,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.07 to $61.965, inclusive."}],"balance_after":194034,"source":{"system":"sec-edgar","filing":"0000899243-21-015610","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000089924321015610/doc4.xml","form_type":"4"}},{"id":2750522,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-04-13T16:05:13.000Z","date":"2021-04-12","kind":"sale","acquired":false,"shares":2941,"price":60.2854,"value":177299.3614,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.00 to $60.98, inclusive."}],"balance_after":194293,"source":{"system":"sec-edgar","filing":"0000899243-21-015610","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000089924321015610/doc4.xml","form_type":"4"}},{"id":2750521,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-04-13T16:05:13.000Z","date":"2021-04-12","kind":"sale","acquired":false,"shares":1000,"price":59.148,"value":59148.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.93 to $59.38, inclusive."}],"balance_after":197234,"source":{"system":"sec-edgar","filing":"0000899243-21-015610","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000089924321015610/doc4.xml","form_type":"4"}},{"id":2750520,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-04-13T16:05:13.000Z","date":"2021-04-12","kind":"sale","acquired":false,"shares":2903,"price":58.0574,"value":168540.6322,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.74 to $58.70, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (6) to this Form 4."}],"balance_after":198234,"source":{"system":"sec-edgar","filing":"0000899243-21-015610","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000089924321015610/doc4.xml","form_type":"4"}},{"id":2792295,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-03-12T21:39:30.000Z","date":"2021-03-10","kind":"sale","acquired":false,"shares":100,"price":76.69,"value":7669.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."}],"balance_after":201137,"source":{"system":"sec-edgar","filing":"0000899243-21-011448","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000089924321011448/doc4.xml","form_type":"4"}},{"id":2792294,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-03-12T21:39:30.000Z","date":"2021-03-10","kind":"sale","acquired":false,"shares":1146,"price":75.1978,"value":86176.6788,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.90 to $75.86, inclusive."}],"balance_after":201237,"source":{"system":"sec-edgar","filing":"0000899243-21-011448","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000089924321011448/doc4.xml","form_type":"4"}},{"id":2792293,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-03-12T21:39:30.000Z","date":"2021-03-10","kind":"sale","acquired":false,"shares":4844,"price":74.3499,"value":360150.9156,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.88 to $74.82, inclusive."}],"balance_after":202383,"source":{"system":"sec-edgar","filing":"0000899243-21-011448","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000089924321011448/doc4.xml","form_type":"4"}},{"id":2792292,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2021-03-12T21:39:30.000Z","date":"2021-03-10","kind":"sale","acquired":false,"shares":1297,"price":73.3821,"value":95176.5837,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 28, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.76 to $73.70, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (4) to this Form 4."}],"balance_after":207227,"source":{"system":"sec-edgar","filing":"0000899243-21-011448","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000089924321011448/doc4.xml","form_type":"4"}},{"id":3080681,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":88253,"kind":"person","name":"Randolph Sophia","position":1,"cik":"0001817127","reported_name":"Randolph Sophia","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2020-07-17T19:04:50.000Z","date":"2020-07-16","kind":"grant","acquired":true,"shares":89657,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares subject to the option vest in 48 equal monthly installments beginning on August 16, 2020."}],"balance_after":89657,"derivative":{"exercise_price":19,"expiration_date":"2030-07-16","underlying":"Common Stock","underlying_shares":89657},"source":{"system":"sec-edgar","filing":"0000899243-20-019577","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817127/000089924320019577/doc4.xml","form_type":"4"}}]}