Insiders / Genachowski Julius

Genachowski Julius

CIK 1184231personinsider

Companies

3

First seen

Mar 6, 2026

Last activity

Jun 18, 2026

Companies

Company	Role	Shares held	Peak held	Trades	Latest
Sonos Inc · SONO	Director	146,259	92,484	4	—
Mastercard Inc · MA	Director	8,978	8,978	1	—
Mattel Inc /De/ · MAT	Director	—	11,753	1	—

All securities held

3 positions · latest reported per filing

Company	Security	Shares	As of
Mastercard Inc	Class A Common Stock	8,978	Jun 16, 2026
Mattel Inc /De/	Restricted Stock UnitsDerivative	11,753	May 28, 2026
Sonos Inc	Common Stock	146,259	Mar 6, 2026

Activity

InsidersInstitutions

This person's insider trades (Form 4), across every company.

Date	Action	Company	Value	Shares Δ	Position after	Impact
Jun 16, 2026	Grant	MA Mastercard Inc Class A Common Stock	$0	+509 +6.01%	8,978 <0.01% of shares	low
Mar 6, 2026	Gift	SONO Sonos Inc Common Stock	$0	+15K +20.02%	92,484 0.08% of shares	low
Mar 6, 2026	Gift	SONO Sonos Inc Common Stock	$0	-15K -22.29%	53,775 0.05% of shares	low
May 28, 2026	Grant	MAT Mattel Inc /De/ Restricted Stock Units	—	+12K	11,753 <0.01% of shares	low
Mar 5, 2026	Grant	SONO Sonos Inc Common Stock	—	+5K +7.41%	69,202 0.06% of shares	low
Mar 5, 2026	Grant	SONO Sonos Inc Common Stock	—	+13K +24.61%	64,430 0.05% of shares	low