Updated Jul 16, 2026
Lettmann Jason is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $99K. Lifetime open-market sales: $28K.

Jason Lettmann is the Chief Executive Officer of ALX Oncology Holdings Inc, a clinical-stage immuno-oncology company. He has been involved in the company's strategic direction and development of its cancer treatment pipeline, including the CD47 blocker, evorpacept.
| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-23 | ALXO | ALX ONCOLOGY HOLDINGS INC | S — Open-market sale | 12.3K | $2.17 | $27K |
| 2026-02-20 | ALXO | ALX ONCOLOGY HOLDINGS INC | F — Tax withholding / forfeiture | 2.2K | $2.27 | $5K |
| 2025-09-16 | ALXO | ALX ONCOLOGY HOLDINGS INC | P — Open-market purchase | 71.2K | $1.08 | $77K |
| 2025-09-16 | ALXO | ALX ONCOLOGY HOLDINGS INC | P — Open-market purchase | 21.1K | $1.07 | $22K |
| 2025-08-15 | ALXO | ALX ONCOLOGY HOLDINGS INC | S — Open-market sale | 2.4K | $0.64 | $2K |
Jason Lettmann is the Chief Executive Officer of ALX Oncology Holdings Inc, a clinical-stage immuno-oncology company. He has been involved in the company's strategic direction and development of its cancer treatment pipeline, including the CD47 blocker, evorpacept.…
Recorded transactions: 2 open-market purchases ($99K) and 2 open-market sales ($28K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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