5 insiders reported 16 Form 4 transactions for ALX ONCOLOGY HOLDINGS INC (ALXO) over the past 18 months (most recent 2026-08-18). Recent activity: Wong Shelly (SVP, FINANCE AND CAO) Sell 573 shares, Lettmann Jason (CHIEF EXECUTIVE OFFICER) Sell 2,230 shares, Wong Shelly (SVP, FINANCE AND CAO) Sell 1,404 shares, Pinto Shelly (SVP, FINANCE AND CAO) Sell 903 shares, Lettmann Jason (CHIEF EXECUTIVE OFFICER) Sell 12,311 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | Wong Shelly | SVP, FINANCE AND CAO | Sell | 573 | $1,106 |
| 2026-08-18 | Lettmann Jason | CHIEF EXECUTIVE OFFICER | Sell | 2,230 | $4,304 |
| 2026-07-06 | Wong Shelly | SVP, FINANCE AND CAO | Sell | 1,404 | $2,864 |
| 2026-03-23 | Pinto Shelly | SVP, FINANCE AND CAO | Sell | 903 | $1,960 |
| 2026-03-23 | Lettmann Jason | CHIEF EXECUTIVE OFFICER | Sell | 12,311 | $26,715 |
| 2026-02-20 | Pinto Shelly | SVP, FINANCE AND CAO | Sell | 565 | $1,283 |
| 2026-02-19 | Lettmann Jason | CHIEF EXECUTIVE OFFICER | Sell | 2,201 | $4,996 |
| 2026-02-04 | GOODMAN COREY S | Director | Buy | 3.2M | $5.0M |
| 2026-01-07 | Pinto Shelly | SVP, FINANCE AND CAO | Sell | 3,925 | $4,357 |
| 2025-09-18 | Lettmann Jason | CHIEF EXECUTIVE OFFICER | Buy | 21,070 | $22,545 |
| 2025-09-18 | Lettmann Jason | CHIEF EXECUTIVE OFFICER | Buy | 71,163 | $76,856 |
| 2025-08-20 | Shantharam Harish | Chief Financial Officer | Buy | 75,000 | $58,500 |
| 2025-08-19 | Lettmann Jason | CHIEF EXECUTIVE OFFICER | Sell | 2,382 | $1,524 |
| 2025-08-19 | Pinto Shelly | SVP, FINANCE AND CAO | Sell | 611 | $391 |
| 2025-07-08 | Pinto Shelly | SVP, FINANCE AND CAO | Sell | 2,011 | $905 |
| 2025-07-01 | Pinto Shelly | SVP, FINANCE AND CAO | Sell | 1,532 | $659 |
Source: SEC Form 4 filings · as of 2026-08-18