SEC Insider Transactions from GENACHOWSKI JULIUS.

Last updated: 2026-03-16 13:02 UTC | Total transactions: 26

Julius Genachowski, a director, bought Sonos Inc ($SONO) shares once on the open market in the last year, totaling about $250 thousand, with the latest purchase on August 8, 2025. This ranks him 1328th among 4983 insiders, below the average buy of $1.5 million across 3.3 transactions. He sold Mastercard Inc ($MA) shares twice for about $352 thousand, most recently on July 7, 2025, placing 7220th out of 11678 insiders versus an average sale of $8.6 million over 6.4 trades.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 6, 2026 Sonos Inc $SONO GENACHOWSKI JULIUS Director G Common Stock 15427 $0.00 147,809.0000 123,866,176 11.65% 0.01%
March 6, 2026 Sonos Inc $SONO GENACHOWSKI JULIUS Director G Common Stock 15427 $0.00 147,809.0000 123,866,176 9.45% 0.01%
March 5, 2026 Sonos Inc $SONO GENACHOWSKI JULIUS Director A Common Stock 12725 $0.00 143,037.0000 123,866,176 9.77% 0.01%
March 5, 2026 Sonos Inc $SONO GENACHOWSKI JULIUS Director A Common Stock 4772 $0.00 147,809.0000 123,866,176 3.34% 0.00%
Nov. 7, 2025 Sonos Inc $SONO GENACHOWSKI JULIUS Director G Common Stock 1550 $0.00 130,312.0000 122,881,915 1.20% 0.00%
Nov. 10, 2025 Sonos Inc $SONO GENACHOWSKI JULIUS Director G Common Stock 77057 $0.00 130,312.0000 122,881,915 144.69% 0.06%
Nov. 10, 2025 Sonos Inc $SONO GENACHOWSKI JULIUS Director G Common Stock 77057 $0.00 130,312.0000 122,881,915 37.16% 0.06%
Nov. 7, 2025 Sonos Inc $SONO GENACHOWSKI JULIUS Director G Common Stock 1550 $0.00 207,369.0000 122,881,915 0.74% 0.00%
Oct. 31, 2025 Mastercard Inc $MA GENACHOWSKI JULIUS Director G Class A Common Stock 45 $0.00 10,214.1730 909,000,000 0.44% 0.00%
Oct. 31, 2025 Mastercard Inc $MA GENACHOWSKI JULIUS Director G Class A Common Stock 45 $0.00 45.0000 909,000,000 9999.99% 0.00%
Sept. 2, 2025 Sonos Inc $SONO GENACHOWSKI JULIUS Director A Common Stock 5916 $0.00 130,312.0000 122,058,499 4.76% 0.00%
Aug. 8, 2025 Sonos Inc $SONO GENACHOWSKI JULIUS Director P Common Stock 22850 $10.95 124,396.0000 122,058,499 22.50% 0.02%
July 7, 2025 Mastercard Inc $MA GENACHOWSKI JULIUS Director S Class A Common Stock 312 $570.67 10,259.1730 927,000,000 2.95% 0.00%
June 24, 2025 Mastercard Inc $MA GENACHOWSKI JULIUS Director A Class A Common Stock 458 $0.00 10,571.1730 927,000,000 4.53% 0.00%
June 24, 2025 Mastercard Inc $MA GENACHOWSKI JULIUS Director S Class A Common Stock 310 $561.00 10,113.1730 927,000,000 2.97% 0.00%
May 28, 2025 MATTEL INC /DE/ $MAT GENACHOWSKI JULIUS Director A Phantom Stock 6305 $19.03 6,305.0000 343,336,000 9999.99% 0.00%
May 28, 2025 MATTEL INC /DE/ $MAT GENACHOWSKI JULIUS Director A Restricted Stock Units 9196 $0.00 9,196.0000 343,336,000 9999.99% 0.00%
Feb. 14, 2025 Mastercard Inc $MA GENACHOWSKI JULIUS Director G Class A Common Stock 180 $0.00 10,423.1730 927,000,000 1.70% 0.00%
March 11, 2025 Sonos Inc $SONO GENACHOWSKI JULIUS Director A Common Stock 15427 $0.00 101,546.0000 124,729,283 17.91% 0.01%
Feb. 14, 2025 Mastercard Inc $MA GENACHOWSKI JULIUS Director G Class A Common Stock 180 $0.00 10,603.1730 927,000,000 1.73% 0.00%
Feb. 14, 2025 Mastercard Inc $MA GENACHOWSKI JULIUS Director G Class A Common Stock 180 $0.00 10,603.1730 927,000,000 1.67% 0.00%
June 18, 2024 Mastercard Inc $MA GENACHOWSKI JULIUS Director A Class A Common Stock 545 $0.00 10,603.1730 946,000,000 5.42% 0.00%
May 29, 2024 MATTEL INC /DE/ $MAT GENACHOWSKI JULIUS Director A Restricted Stock Units 9972 $0.00 9,972.0000 357,112,000 9999.99% 0.00%
March 11, 2024 Sonos Inc $SONO GENACHOWSKI JULIUS Director A Common Stock 10656 $0.00 86,119.0000 130,399,940 14.12% 0.01%
Feb. 5, 2024 MATTEL INC /DE/ $MAT GENACHOWSKI JULIUS Director A Restricted Stock Units 2978 $0.00 2,978.0000 357,112,000 9999.99% 0.00%
March 9, 2023 Sonos Inc $SONO GENACHOWSKI JULIUS Not found A Common Stock 10011 $0.00 75,463.0000 129,823,663 15.30% 0.01%