{"transactions":[{"id":683654,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Wong Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2026-08-18T21:50:21.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":573,"price":1.93,"value":1105.89,"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":87828,"source":{"system":"sec-edgar","filing":"0001193125-26-355761","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000119312526355761/ownership.xml","form_type":"4"}},{"id":715403,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Wong Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2026-07-06T20:30:22.000Z","date":"2026-07-01","kind":"sale","planned":false,"acquired":false,"shares":1404,"price":2.04,"value":2864.16,"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 $2.02 to $2.04, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 3,000 shares acquired under the Issuer's employee stock purchase plan on June 30, 2026."}],"balance_after":88401,"source":{"system":"sec-edgar","filing":"0001193125-26-296246","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000119312526296246/ownership.xml","form_type":"4"}},{"id":830856,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2026-03-23T20:05:04.000Z","date":"2026-03-19","kind":"sale","planned":false,"acquired":false,"shares":903,"price":2.17,"value":1959.51,"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 perfomance-based restricted stock units."}],"balance_after":86805,"source":{"system":"sec-edgar","filing":"0001193125-26-119703","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000119312526119703/ownership.xml","form_type":"4"}},{"id":890790,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2026-02-20T21:01:02.000Z","date":"2026-02-18","kind":"sale","planned":false,"acquired":false,"shares":565,"price":2.27,"value":1282.55,"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":87708,"source":{"system":"sec-edgar","filing":"0001193125-26-061313","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000119312526061313/ownership.xml","form_type":"4"}},{"id":929046,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Stock option (right to buy)","published_at":"2026-01-28T21:30:09.000Z","date":"2026-01-26","kind":"grant","planned":false,"acquired":true,"shares":192000,"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 February 26, 2026."}],"balance_after":192000,"derivative":{"exercise_price":1.48,"expiration_date":"2036-01-25","underlying":"Common Stock","underlying_shares":192000},"source":{"system":"sec-edgar","filing":"0001193125-26-027288","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000119312526027288/ownership.xml","form_type":"4"}},{"id":944596,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2026-01-07T21:30:06.000Z","date":"2026-01-06","kind":"sale","planned":false,"acquired":false,"shares":3925,"price":1.11,"value":4356.75,"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 $1.11 to $1.12, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 3,000 shares acquired under the Issuer's employee stock purchase plan on December 31, 2025."}],"balance_after":88273,"source":{"system":"sec-edgar","filing":"0001193125-26-006374","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000119312526006374/ownership.xml","form_type":"4"}},{"id":1017644,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-10-16T20:01:07.000Z","date":"2025-10-14","kind":"grant","planned":false,"acquired":true,"shares":140000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"One-third of the shares subject to the option vest on April 30, 2026 and the remaining two-thirds of the option vest on October 31, 2026."}],"balance_after":140000,"derivative":{"exercise_price":1.7,"expiration_date":"2035-10-14","underlying":"Common Stock","underlying_shares":140000},"source":{"system":"sec-edgar","filing":"0001193125-25-241382","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000119312525241382/ownership.xml","form_type":"4"}},{"id":1061947,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2025-08-19T20:12:34.000Z","date":"2025-08-15","kind":"sale","planned":false,"acquired":false,"shares":611,"price":0.6404,"value":391.2844,"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 $0.64 to $0.66, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 3,000 shares acquired under the Issuer's employee stock purchase plan on June 30, 2025."}],"balance_after":89198,"source":{"system":"sec-edgar","filing":"0000950170-25-110102","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000095017025110102/ownership.xml","form_type":"4"}},{"id":1090685,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2025-07-08T20:37:37.000Z","date":"2025-07-07","kind":"sale","planned":false,"acquired":false,"shares":2011,"price":0.4501,"value":905.1511,"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 $0.45 to $0.46, 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":86809,"source":{"system":"sec-edgar","filing":"0000950170-25-094613","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000095017025094613/ownership.xml","form_type":"4"}},{"id":1097971,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2025-07-01T20:22:14.000Z","date":"2025-06-30","kind":"sale","planned":false,"acquired":false,"shares":1532,"price":0.43,"value":658.76,"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":88820,"source":{"system":"sec-edgar","filing":"0000950170-25-092232","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000095017025092232/ownership.xml","form_type":"4"}},{"id":1171875,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-04-15T20:29:19.000Z","date":"2025-04-11","kind":"grant","planned":false,"acquired":true,"shares":90000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"All of the shares subject to the option vest on April 11, 2026."}],"balance_after":90000,"derivative":{"exercise_price":0.49,"expiration_date":"2035-04-11","underlying":"Common Stock","underlying_shares":90000},"source":{"system":"sec-edgar","filing":"0001415889-25-010697","document":"form4-04152025_080416.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588925010697/form4-04152025_080416.xml","form_type":"4"}},{"id":1200157,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2025-03-18T20:45:00.000Z","date":"2025-03-14","kind":"grant","planned":false,"acquired":true,"shares":3000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported shares are represented by performance share units, or PSUs, and were awarded upon the achievement of certain performance metrics related to the positive results for ASPEN-06 clinical trials. Shares subject to the PSU vest on March 14, 2026."}],"balance_after":90352,"source":{"system":"sec-edgar","filing":"0001415889-25-008428","document":"form4-03182025_080356.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588925008428/form4-03182025_080356.xml","form_type":"4"}},{"id":1253104,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2025-02-21T21:25:30.000Z","date":"2025-02-19","kind":"sale","planned":false,"acquired":false,"shares":550,"price":1.1502,"value":632.61,"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 $1.15 to $1.16, 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":87352,"source":{"system":"sec-edgar","filing":"0001415889-25-005071","document":"form4-02212025_090224.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588925005071/form4-02212025_090224.xml","form_type":"4"}},{"id":1296456,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-01-23T23:14:16.000Z","date":"2025-01-21","kind":"grant","planned":false,"acquired":true,"shares":112000,"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 February 21, 2025."}],"balance_after":112000,"derivative":{"exercise_price":1.65,"expiration_date":"2035-01-20","underlying":"Common Stock","underlying_shares":112000},"source":{"system":"sec-edgar","filing":"0001415889-25-001965","document":"form4-01232025_110113.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588925001965/form4-01232025_110113.xml","form_type":"4"}},{"id":1306755,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Interim CFO"}}],"security":"Common Stock","published_at":"2025-01-08T21:10:48.000Z","date":"2025-01-06","kind":"sale","planned":false,"acquired":false,"shares":2221,"price":1.8,"value":3997.8,"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 $1.79 to $1.80, 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":87902,"source":{"system":"sec-edgar","filing":"0001415889-25-001120","document":"form4-01082025_090144.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588925001120/form4-01082025_090144.xml","form_type":"4"}},{"id":1318749,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Interim CFO"}}],"security":"Common Stock","published_at":"2025-01-02T21:46:36.000Z","date":"2024-12-30","kind":"sale","planned":false,"acquired":false,"shares":1426,"price":1.5802,"value":2253.3652,"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 $1.58 to $1.60, 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":90123,"source":{"system":"sec-edgar","filing":"0001415889-25-000132","document":"form4-01022025_090133.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588925000132/form4-01022025_090133.xml","form_type":"4"}},{"id":1343121,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Interim CFO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2024-12-04T21:15:29.000Z","date":"2024-12-02","kind":"grant","planned":false,"acquired":true,"shares":150000,"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 30 equal monthly installments beginning on January 2, 2025."}],"balance_after":150000,"derivative":{"exercise_price":1.66,"expiration_date":"2031-12-01","underlying":"Common Stock","underlying_shares":150000},"source":{"system":"sec-edgar","filing":"0001415889-24-028245","document":"form4-12042024_091224.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588924028245/form4-12042024_091224.xml","form_type":"4"}},{"id":1431432,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2024-08-16T21:10:39.000Z","date":"2024-08-14","kind":"sale","planned":false,"acquired":false,"shares":564,"price":2.58,"value":1455.12,"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":91549,"source":{"system":"sec-edgar","filing":"0001415889-24-021482","document":"form4-08162024_090836.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588924021482/form4-08162024_090836.xml","form_type":"4"}},{"id":1457640,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2024-07-09T20:09:41.000Z","date":"2024-07-05","kind":"sale","planned":false,"acquired":false,"shares":1823,"price":5.4993,"value":10025.2239,"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 $5.45 to $5.50, 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":92113,"source":{"system":"sec-edgar","filing":"0001415889-24-019429","document":"form4-07092024_080737.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588924019429/form4-07092024_080737.xml","form_type":"4"}},{"id":1460181,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2024-07-03T21:03:25.000Z","date":"2024-07-01","kind":"sale","planned":false,"acquired":false,"shares":1373,"price":5.8188,"value":7989.2124,"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 $5.77 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 1,718 shares acquired under the Issuer's employee stock purchase plan on June 28, 2024."}],"balance_after":93936,"source":{"system":"sec-edgar","filing":"0001415889-24-019228","document":"form4-07032024_090722.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588924019228/form4-07032024_090722.xml","form_type":"4"}},{"id":1638473,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2024-02-16T23:24:14.000Z","date":"2024-02-14","kind":"grant","planned":false,"acquired":true,"shares":35000,"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":35000,"derivative":{"exercise_price":15.84,"expiration_date":"2034-02-13","underlying":"Common Stock","underlying_shares":35000},"source":{"system":"sec-edgar","filing":"0001415889-24-004233","document":"form4-02162024_110202.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588924004233/form4-02162024_110202.xml","form_type":"4"}},{"id":1638472,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, FINANCE AND CAO"}}],"security":"Common Stock","published_at":"2024-02-16T23:24:14.000Z","date":"2024-02-14","kind":"grant","planned":false,"acquired":true,"shares":15000,"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":93591,"source":{"system":"sec-edgar","filing":"0001415889-24-004233","document":"form4-02162024_110202.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000141588924004233/form4-02162024_110202.xml","form_type":"4"}},{"id":1685605,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Finance and CAO"}}],"security":"Common Stock","published_at":"2024-01-05T21:03:19.000Z","date":"2024-01-04","kind":"sale","planned":false,"acquired":false,"shares":2717,"price":13.602,"value":36956.634,"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 $13.59 to $13.83, 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":78591,"source":{"system":"sec-edgar","filing":"0001209191-24-000985","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919124000985/doc4.xml","form_type":"4"}},{"id":1692947,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Finance and CAO"}}],"security":"Common Stock","published_at":"2024-01-03T21:28:23.000Z","date":"2023-12-29","kind":"sale","planned":false,"acquired":false,"shares":1631,"price":15.04,"value":24530.24,"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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 1,226 shares acquired under the Issuer's employee stock purchase plan on December 29, 2023."}],"balance_after":81308,"source":{"system":"sec-edgar","filing":"0001209191-24-000379","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919124000379/doc4.xml","form_type":"4"}},{"id":1822245,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Finance and CAO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-07-27T20:19:30.000Z","date":"2023-07-25","kind":"grant","planned":false,"acquired":true,"shares":36000,"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":36000,"derivative":{"exercise_price":5.86,"expiration_date":"2033-07-24","underlying":"Common Stock","underlying_shares":36000},"source":{"system":"sec-edgar","filing":"0001209191-23-043523","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919123043523/doc4.xml","form_type":"4"}},{"id":1822244,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Finance and CAO"}}],"security":"Common Stock","published_at":"2023-07-27T20:19:30.000Z","date":"2023-07-25","kind":"grant","planned":false,"acquired":true,"shares":26000,"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, 2023."}],"balance_after":81713,"source":{"system":"sec-edgar","filing":"0001209191-23-043523","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919123043523/doc4.xml","form_type":"4"}},{"id":1832993,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and CAO"}}],"security":"Common Stock","published_at":"2023-07-07T20:09:37.000Z","date":"2023-07-06","kind":"sale","planned":false,"acquired":false,"shares":7345,"price":6.52,"value":47889.4,"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":55713,"source":{"system":"sec-edgar","filing":"0001209191-23-041790","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919123041790/doc4.xml","form_type":"4"}},{"id":1836565,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and CAO"}}],"security":"Common Stock","published_at":"2023-07-05T21:05:12.000Z","date":"2023-06-30","kind":"sale","planned":false,"acquired":false,"shares":466,"price":7.34,"value":3420.44,"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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 1,427 shares acquired under the Issuer's employee stock purchase plan on June 30, 2023."}],"balance_after":63058,"source":{"system":"sec-edgar","filing":"0001209191-23-041189","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919123041189/doc4.xml","form_type":"4"}},{"id":2072785,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and CAO"}}],"security":"Common Stock","published_at":"2023-01-04T01:52:35.000Z","date":"2022-12-29","kind":"sale","acquired":false,"shares":482,"price":11.0699,"value":5335.6918,"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 $11.04 to $11.07, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Reflects a reduction of 139 shares previously reported as acquired pursuant to the Issuer's employee stock purchase plan on June 30, 2022."}],"balance_after":62097,"source":{"system":"sec-edgar","filing":"0001209191-23-000485","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919123000485/doc4.xml","form_type":"4"}},{"id":2190999,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and CAO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2022-08-09T22:07:42.000Z","date":"2022-08-05","kind":"grant","acquired":true,"shares":36000,"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 August 1, 2022."}],"balance_after":36000,"derivative":{"exercise_price":11.47,"expiration_date":"2032-08-04","underlying":"Common Stock","underlying_shares":36000},"source":{"system":"sec-edgar","filing":"0001209191-22-045064","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919122045064/doc4.xml","form_type":"4"}},{"id":2190998,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and CAO"}}],"security":"Common Stock","published_at":"2022-08-09T22:07:42.000Z","date":"2022-08-05","kind":"grant","acquired":true,"shares":11000,"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 1,272 shares acquired under the Issuer's employee stock purchase plan on June 30, 2022."}],"balance_after":62718,"source":{"system":"sec-edgar","filing":"0001209191-22-045064","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919122045064/doc4.xml","form_type":"4"}},{"id":2419442,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and CAO"}}],"security":"Common Stock","published_at":"2022-02-01T21:36:41.000Z","date":"2022-01-28","kind":"grant","acquired":true,"shares":50000,"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 as follows: three-eighths of the RSUs vest on July 3, 2023 and the remaining RSUs vest thereafter in five equal semiannual installments."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 446 shares acquired under the Issuer's employee stock purchase plan on December 31, 2021."}],"balance_after":50446,"source":{"system":"sec-edgar","filing":"0001209191-22-005923","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919122005923/doc4.xml","form_type":"4"}},{"id":2617988,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and CAO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2021-08-03T21:28:34.000Z","date":"2021-07-30","kind":"grant","acquired":true,"shares":25000,"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":25000,"derivative":{"exercise_price":58.56,"expiration_date":"2031-07-29","underlying":"Common Stock","underlying_shares":25000},"source":{"system":"sec-edgar","filing":"0001209191-21-049415","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919121049415/doc4.xml","form_type":"4"}},{"id":2705704,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and CAO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2021-05-19T21:26:50.000Z","date":"2021-05-03","kind":"grant","acquired":true,"shares":125000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"One-fourth of the shares subject to the option vest on May 3, 2022 and 1/48th of the shares vest monthly thereafter."}],"balance_after":125000,"derivative":{"exercise_price":62.83,"expiration_date":"2031-05-03","underlying":"Common Stock","underlying_shares":125000},"source":{"system":"sec-edgar","filing":"0001209191-21-034072","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919121034072/doc4a.xml","form_type":"4/A","original_submission_date":"2021-05-05"}},{"id":2727573,"issuer":{"id":6040,"kind":"organization","name":"ALX ONCOLOGY HOLDINGS INC"},"owners":[{"id":22279,"kind":"person","name":"Wong Shelly","position":1,"cik":"0001857740","reported_name":"Pinto Shelly","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and CAO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2021-05-05T20:29:03.000Z","date":"2020-05-03","kind":"grant","acquired":true,"shares":125000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"One-fourth of the shares subject to the option vest on May 3, 2022 and 1/48th of the shares vest monthly thereafter."}],"balance_after":125000,"derivative":{"exercise_price":62.83,"expiration_date":"2030-05-03","underlying":"Common Stock","underlying_shares":125000},"source":{"system":"sec-edgar","filing":"0001209191-21-030336","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1810182/000120919121030336/doc4.xml","form_type":"4"}}]}