Insider Profile · SEC Form 4 Activity · Trailing 90 Days

Mayo Stephen

Over the trailing 90 days, Mayo Stephen (Director at Allogene Therapeutics, Inc.) bought $220K of stock across 3 companies, per 3 SEC Form 4 transactions.

Role: Director
Companies: ALLO SRPT MRK
Window: Trailing 90 days · 3 transactions · CIK 1849061
Net activity: +$220K ($220K bought · $0 sold)
Source: Official filings on sec.gov ↗

By Company (Trailing 90 Days)

Symbol	Company	Txns	Bought	Sold	Net
MRK	Merck & Co., Inc.	1	$220K	—	$220K
ALLO	Allogene Therapeutics, Inc.	1	—	—	$0
SRPT	Sarepta Therapeutics, Inc.	1	—	—	$0

Transactions (3)

Date	Symbol	Type	Shares	Value	Description
2026-06-18	ALLO	Buy	144.4K	$0	Grant, award or other acquisition
2026-06-04	SRPT	Buy	16.9K	$0	Grant, award or other acquisition
2026-05-29	MRK	Buy	1.9K	$220K	Grant, award or other acquisition

Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.

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