Insiders / Maffei Gregory B
Maffei Gregory B
CIK 1099636personinsider
Companies
2
First seen
Mar 2, 2026
Last activity
Jun 2, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Sirius Xm Holdings Inc. | 5,385,039 | — |
| Zillow Group, Inc. · Z | 637,783 | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Sirius Xm Holdings Inc. | Common Stock | 5,385,039 |
| Zillow Group, Inc. | Class C Capital Stock | 637,783 |
| Zillow Group, Inc. | Stock Option (right to buy)Derivative | 18,996 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 27, 2026 | Sell | Z Zillow Group, Inc. Class C Capital Stock | $363.5K | -8K -1.25% | 637,783 0.28% of shares | medium |
| Feb 27, 2026 | Exercise | Z Zillow Group, Inc. Class C Capital Stock | $361.3K | +17K +2.68% | 645,833 0.29% of shares | low |
| May 29, 2026 | Grant | Sirius Xm Holdings Inc. Common Stock | $0 | +7K +0.13% | 5,385,039 1.60% of shares | low |
| May 27, 2026 | Grant | Sirius Xm Holdings Inc. Common Stock | $0 | +83 +<0.01% | 5,378,264 1.60% of shares | low |
| Mar 5, 2026 | Gift | Sirius Xm Holdings Inc. Common Stock | $0 | -1K -100.00% | 0 0.00% of shares | low |
| Feb 27, 2026 | Grant | Sirius Xm Holdings Inc. Common Stock | $0 | +67K +1.26% | 5,378,181 1.60% of shares | low |
| Mar 1, 2026 | Grant | Z Zillow Group, Inc. Stock Option (right to buy) | — | +19K | 18,996 <0.01% of shares | low |
| Feb 27, 2026 | Exercise | Z Zillow Group, Inc. Stock Option (right to buy) | — | -17K -100.00% | 0 0.00% of shares | low |