GENACHOWSKI JULIUS — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

GENACHOWSKI JULIUS has filed 2 SEC Form 4 filings across 2 companies in the last 90 days — active on both sides. Lifetime open-market purchases: $250K. Lifetime open-market sales: $352K.

Profile

GENACHOWSKI JULIUS

Julius Genachowski is an American technology executive, investor, and public servant who has served as a director for Sonos Inc., Mastercard Inc., and Mattel Inc. He was the 20th Chairman of the U.S. Federal Communications Commission from 2009 to 2013 under President Barack Obama, where he led policy initiatives on broadband, wireless spectrum, and media, among other digital policy priorities. In addition to his public-sector leadership, Genachowski has been involved in the technology and startup ecosystem and has held board and advisory roles related to innovation and growth across tech and consumer sectors.

RoleDirector
Notability85/100
LinksWikipedia

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-18MAMastercard IncA — Grant or award509$0.00
2026-03-10SONOSonos IncG — Bona-fide gift15.4K$0.00
2026-03-10SONOSonos IncG — Bona-fide gift15.4K$0.00
2026-03-06SONOSonos IncA — Grant or award4.8K
2026-03-06SONOSonos IncA — Grant or award12.7K
2025-09-02SONOSonos IncA — Grant or award5.9K
2025-08-08SONOSonos IncP — Open-market purchase22.9K$10.95$250K
2025-07-07MAMastercard IncS — Open-market sale312$570.67$178K
2025-06-24MAMastercard IncA — Grant or award458$0.00
2025-06-24MAMastercard IncS — Open-market sale310$561.00$174K
2025-02-14MAMastercard IncG — Bona-fide gift180$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is GENACHOWSKI JULIUS?

Julius Genachowski is an American technology executive, investor, and public servant who has served as a director for Sonos Inc., Mastercard Inc., and Mattel Inc. He was the 20th Chairman of the U.S. Federal Communications Commission from 2009 to 2013 under President Barack Obama, where he led policy initiatives on broadband, wireless spectrum, and media, among other digital po…

How many SEC Form 4 filings has GENACHOWSKI JULIUS submitted recently?

2 primary Form 4 filings in the last 90 days, covering 2 companies.

Has GENACHOWSKI JULIUS been buying or selling stock?

Recorded transactions: 1 open-market purchases ($250K) and 2 open-market sales ($352K) across all tracked filings.

Where can I see all of GENACHOWSKI JULIUS's SEC 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.

Learn More

Open the live GENACHOWSKI JULIUS profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.