ALX ONCOLOGY HOLDINGS INC (ALXO) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-06

ALX ONCOLOGY HOLDINGS INC (ALXO) has filed 3 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-06. 4 Form 8-K material event filings were reported by ALXO in the last 90 days. InsiderAlpha tracks every ALXO SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About ALX ONCOLOGY HOLDINGS INC (ALXO)

SIC classificationPharmaceutical Preparations (SIC 2834)
SEC CIK0001810182

90-Day SEC Filing Activity

Form 4 filings (90d)3
Form 8-K filings (90d)4
Latest Form 4 filing2026-07-06

Recent ALXO Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
Pinto ShellySVP, FINANCE AND CAOS — Open-market sale1.4K$2.04$3KSEC
Lettmann JasonCHIEF EXECUTIVE OFFICERS — Open-market sale12.3K$2.17$27KSEC
Pinto ShellySVP, FINANCE AND CAOS — Open-market sale903$2.17$2KSEC
Pinto ShellySVP, FINANCE AND CAOS — Open-market sale565$2.27$1KSEC
Lettmann JasonCHIEF EXECUTIVE OFFICERF — Tax withholding / forfeiture2.2K$2.27$5KSEC
GOODMAN COREY SInsiderP — Open-market purchase3.18M$1.57$5.00MSEC
Pinto ShellySVP, FINANCE AND CAOS — Open-market sale3.9K$1.11$4KSEC
Lettmann JasonCHIEF EXECUTIVE OFFICERP — Open-market purchase71.2K$1.08$77KSEC
Lettmann JasonCHIEF EXECUTIVE OFFICERP — Open-market purchase21.1K$1.07$22KSEC
Shantharam HarishChief Financial OfficerP — Open-market purchase75.0K$0.78$58KSEC
Pinto ShellySVP, FINANCE AND CAOS — Open-market sale611$0.64$391SEC
Lettmann JasonCHIEF EXECUTIVE OFFICERS — Open-market sale2.4K$0.64$2KSEC
Pinto ShellySVP, FINANCE AND CAOS — Open-market sale2.0K$0.45$905SEC
Pinto ShellySVP, FINANCE AND CAOS — Open-market sale1.5K$0.43$659SEC
Hemrajani RekhaInsiderP — Open-market purchase30.0K$1.55$46KSEC

All transactions sourced from SEC EDGAR Form 4 filings for ALX ONCOLOGY HOLDINGS INC (ALXO). Updated in real time as new filings are submitted to the SEC.

Most-Active ALXO Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Pinto Shelly1$3K
Klencke Barbara1—
Knight Jeff E.1—

Recent ALXO Form 8-K Material Events

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in ALXO insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

ALXO Insider Trading — FAQ

What is the latest insider trade for ALXO?
ALX ONCOLOGY HOLDINGS INC (ALXO) had 3 insider filings in the last 90 days, with the most recent on 2026-07-06. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying ALXO stock?
0 insider purchases of ALXO were filed in the last 90 days.
How many insiders are selling ALXO stock?
0 insider sales of ALXO were filed in the last 90 days.
Where can I see ALXO SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every ALXO SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

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