MAFFEI GREGORY B
SEC insider (Form 3/4/5 filer). CIK 0001099636. Director at SIRIUS XM HOLDINGS INC. ((SIRI)) and 7 other issuers. 48 reported Form 4/5 transactions since Sep 2024; latest on Aug 26, 2026. Located in WEST CHESTER, PA.
Companies MAFFEI GREGORY B has filed insider reports for
- SIRIUS XM HOLDINGS INC. ((SIRI)): Director
- Old QVC Group, Inc. (QVCAQ): Director, Officer, 10% Owner, Chairman of the Board
- ZILLOW GROUP, INC. (Z AND ZG): Director
- TripAdvisor, Inc. (TRIP): Director
- Liberty TripAdvisor Holdings, Inc. (LTRPA): Director, Officer, 10% Owner, President/CEO
- Liberty Broadband Corp (LBRDA): Director, Officer, 10% Owner, President/CEO
- Liberty Media Corp (FWONK): Director, Officer, President, CEO
- Liberty Sirius XM Holdings Inc. (NONE): Director, Officer, President, CEO
MAFFEI GREGORY B
CIK: 0001099636
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (8)
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SIRIUS XM HOLDINGS INC.
Old QVC Group, Inc.
ZILLOW GROUP, INC.
TripAdvisor, Inc.
Liberty TripAdvisor Holdings, Inc.
Liberty Broadband Corp
Liberty Media Corp
Liberty Sirius XM Holdings Inc.
Discretionary Trading P&L
Holdings
Transaction History (48 total)
- Aug 26, 2026(SIRI)
SIRIUS XM HOLDINGS INC.
AwardDirect60 shares- - May 29, 2026(SIRI)
SIRIUS XM HOLDINGS INC.
AwardDirect6.8K shares- - May 27, 2026(SIRI)
SIRIUS XM HOLDINGS INC.
AwardDirect83 shares- - Mar 5, 2026(SIRI)
SIRIUS XM HOLDINGS INC.
GiftIndirect1.1K shares- - Mar 1, 2026Z AND ZG
ZILLOW GROUP, INC.
AwardDirectStock Option (right to buy)
19K shares- - Feb 27, 2026Z AND ZG
ZILLOW GROUP, INC.
SaleDirect8.1K shares at avg. $45.15$363K - Feb 27, 2026Z AND ZG
ZILLOW GROUP, INC.
ExerciseDirect16.8K shares at avg. $21.46$361K - Feb 27, 2026(SIRI)
SIRIUS XM HOLDINGS INC.
AwardDirect66.9K shares- - Nov 21, 2025(SIRI)
SIRIUS XM HOLDINGS INC.
AwardDirect98 shares- - Aug 27, 2025(SIRI)
SIRIUS XM HOLDINGS INC.
AwardDirect92 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 26, 2026 | (SIRI) SIRIUS XM HOLDINGS INC. | Award | 60 | - | $0 | Direct |
| May 29, 2026 | (SIRI) SIRIUS XM HOLDINGS INC. | Award | 6,775 | - | $0 | Direct |
| May 27, 2026 | (SIRI) SIRIUS XM HOLDINGS INC. | Award | 83 | - | $0 | Direct |
| Mar 5, 2026 | (SIRI) SIRIUS XM HOLDINGS INC. | Gift | 1,108 | - | $0 | Indirect |
| Mar 1, 2026 | Z AND ZG ZILLOW GROUP, INC. | Award Stock Option (right to buy) | 18,996 | - | - | Direct |
| Feb 27, 2026 | Z AND ZG ZILLOW GROUP, INC. | Sale | 8,050 | $45.15 | $363,458 | Direct |
| Feb 27, 2026 | Z AND ZG ZILLOW GROUP, INC. | Exercise | 16,835 | $21.46 | $361,279 | Direct |
| Feb 27, 2026 | (SIRI) SIRIUS XM HOLDINGS INC. | Award | 66,862 | - | $0 | Direct |
| Nov 21, 2025 | (SIRI) SIRIUS XM HOLDINGS INC. | Award | 98 | - | - | Direct |
| Aug 27, 2025 | (SIRI) SIRIUS XM HOLDINGS INC. | Award | 92 | - | - | Direct |
1-10 of 48 transactions