Form 4 for XYZ Block, Inc.

Accepted 2026-05-21 17:17:11 ET · period of report 2026-05-19 · accession 0001628280-26-037385 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
T	2026-05-21 17:17	2026-05-15	XYZ	Jennings Owen Britton	Business Lead	A - Grant	$48.46	+438	499.3K	+0.1%	+$21.2K
MT	2026-05-21 17:17	2026-05-19+	XYZ	Jennings Owen Britton	Business Lead	S - Sale	$69.91	-627	481.0K	-0.1%	-$43.8K
T	2026-05-21 17:17	2026-05-20	XYZ	Jennings Owen Britton	Business Lead	F - Tax	$70.89	-17.7K	481.6K	-4%	-$1.25M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Class A Common Stock	2026-05-15	A	A	438	$48.46	499,256	D	—	—	(F1) These shares were acquired under the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).
2	Common	Class A Common Stock	2026-05-19	S	D	44	$71.00	499,212	D	—	—	(F2) The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on September 2, 2025.
3	Common	Class A Common Stock	2026-05-20	F	D	17,651	$70.89	481,561	D	—	—	(F3) Represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person.
4	Common	Class A Common Stock	2026-05-21	S	D	583	$69.83	480,978	D	—	—	(F2) The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on September 2, 2025.