- Corporate Officers - M
- Maffei Gregory B
Insider Trading History of Maffei Gregory B
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Maffei Gregory B since 2015.
This trader's CIK number is 1099636.
At the time of last reporting, Maffei Gregory B was the Director of Zillow Group, Inc.. (stock ticker symbol Z AND ZG).
Also see all insider trading activities at Zillow Group, Inc..
Note that in the past
MAFFEI GREGORY B also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Zillow Group, Inc. (Z AND ZG) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2026 | Z AND ZG | 0 | $0 | 24,150 | $1,090,371 | 50,505 | $1,083,837 |
| 2022 | Z AND ZG | 0 | $0 | 6,388 | $367,797 | 9,435 | $360,098 |
| 2021 | Z AND ZG | 0 | $0 | 2,296 | $380,865 | 13,806 | $371,919 |
| 2020 | Z AND ZG | 0 | $0 | 5,355 | $282,486 | 18,414 | $273,337 |
| 2019 | Z AND ZG | 0 | $0 | 6,667 | $278,947 | 27,003 | $272,730 |
| 2017 | Z AND ZG | 0 | $0 | 0 | $0 | 22,188 | $23,452 |
Yearly summary of insider trading at Gci Liberty, Inc. (GLIBA) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | GLIBA | 0 | $0 | 0 | $0 | 2,957 | $0 |
| 2019 | GLIBA | 0 | $0 | 89,991 | $6,307,761 | 765,441 | $42,834,078 |
Yearly summary of insider trading at Liberty Media Acquisition Corp (LMACA) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | LMACA | 740,251 | $7,402,510 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Tripadvisor, Inc. (TRIP) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | TRIP | 50,000 | $1,131,200 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Qvc Group, Inc. (QRTEA) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | QRTEA | 0 | $0 | 101 | $3,598 | 0 | $0 |
| 2022 | QRTEA | 0 | $0 | 0 | $0 | 229,022 | $0 |
| 2020 | QRTEA | 0 | $0 | 0 | $0 | 38,925 | $0 |
| 2019 | QRTEA | 150,000 | $1,886,350 | 0 | $0 | 18,541 | $0 |
| 2017 | QRTEA | 0 | $0 | 0 | $0 | 7,492,080 | $198,892,247 |
| 2015 | QRTEA | 0 | $0 | 224,505 | $6,036,477 | 1,546,515 | $28,305,864 |
Yearly summary of insider trading at Charter Communications, Inc. /mo/ (CHTR) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | CHTR | 0 | $0 | 5 | $2,140 | 0 | $0 |
Yearly summary of insider trading at Liberty Media Corp (FWONK) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | FWONK | 0 | $0 | 35,463 | $2,545,640 | 1,668,251 | $50,217,979 |
| 2023 | FWONK | 50,000 | $1,335,500 | 90,177 | $6,280,982 | 281,911 | $5,045,786 |
| 2022 | FWONK | 0 | $0 | 141,988 | $8,908,305 | 465,282 | $10,504,671 |
| 2021 | FWONK | 0 | $0 | 200,000 | $12,331,200 | 4,505,419 | $90,617,492 |
| 2020 | FWONK | 0 | $0 | 0 | $0 | 449,080 | $10,958,824 |
| 2019 | FWONK | 0 | $0 | 1,647,565 | $74,270,880 | 4,794,049 | $72,581,277 |
| 2018 | FWONK | 10,000 | $300,569 | 0 | $0 | 0 | $0 |
| 2016 | FWONK | 0 | $0 | 0 | $0 | 255,941 | $3,276,044 |
| 2015 | FWONK | 0 | $0 | 0 | $0 | 1,320,119 | $31,306,622 |
Yearly summary of insider trading at Liberty Tripadvisor Holdings, Inc. (LTRPA) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | LTRPA | 0 | $0 | 0 | $0 | 1,000,000 | $0 |
| 2023 | LTRPA | 0 | $0 | 0 | $0 | 320,057 | $0 |
| 2020 | LTRPA | 0 | $0 | 0 | $0 | 30,110 | $0 |
| 2019 | LTRPA | 15,408 | $160,012 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Sirius Xm Holdings Inc. ((SIRI)) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | (SIRI) | 0 | $0 | 0 | $0 | 61,634 | $179,046 |
| 2023 | (SIRI) | 0 | $0 | 0 | $0 | 49,059 | $160,177 |
| 2022 | (SIRI) | 0 | $0 | 0 | $0 | 76,795 | $127,479 |
| 2020 | (SIRI) | 0 | $0 | 84,750 | $474,261 | 102,015 | $96,812 |
| 2019 | (SIRI) | 0 | $0 | 0 | $0 | 268,210 | $105,942 |
Yearly summary of insider trading at Liberty Broadband Corp (LBRDA) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | LBRDA | 0 | $0 | 161,733 | $12,819,655 | 0 | $0 |
| 2023 | LBRDA | 0 | $0 | 1,135 | $104,522 | 0 | $0 |
| 2022 | LBRDA | 0 | $0 | 0 | $0 | 37,544 | $3,649,652 |
| 2021 | LBRDA | 0 | $0 | 0 | $0 | 369,785 | $35,946,799 |
| 2020 | LBRDA | 0 | $0 | 0 | $0 | 1,864 | $0 |
| 2019 | LBRDA | 0 | $0 | 352,662 | $41,099,586 | 877,233 | $29,049,570 |
| 2015 | LBRDA | 0 | $0 | 0 | $0 | 329,963 | $10,926,724 |
Yearly summary of insider trading at Liberty Media Corp (STRZA) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2015 | STRZA | 0 | $0 | 161,438 | $6,684,824 | 445,357 | $5,932,155 |
Yearly summary of insider trading at Atlanta Braves Holdings, Inc. (BATRK) by Maffei Gregory B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | BATRK | 0 | $0 | 0 | $0 | 148,877 | $3,500,098 |
| 2023 | BATRK | 0 | $0 | 425 | $17,900 | 0 | $0 |
Insider trading activities at 12 companies by Maffei Gregory B:
1. Zillow Group, Inc. (Z AND ZG)
2. Gci Liberty, Inc. (GLIBA)
3. Liberty Media Acquisition Corp (LMACA)
4. Tripadvisor, Inc. (TRIP)
5. Qvc Group, Inc. (QRTEA)
6. Charter Communications, Inc. /mo/ (CHTR)
7. Liberty Media Corp (FWONK)
8. Liberty Tripadvisor Holdings, Inc. (LTRPA)
9. Sirius Xm Holdings Inc. ((SIRI))
10. Liberty Broadband Corp (LBRDA)
11. Liberty Media Corp (STRZA)
12. Atlanta Braves Holdings, Inc. (BATRK)
Table 1. Insider trading of Zillow Group, Inc. (Z AND ZG) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2026-02-27 | Z AND ZG | Option Ex | 16,835 | 21.46 | 361,279 |
| 2026-02-27 | Z AND ZG | Sale | 8,050 | 45.15 | 363,457 |
| 2026-02-27 | Z AND ZG | Option Ex | 16,835 | 21.46 | 361,279 |
| 2026-02-27 | Z AND ZG | Sale | 8,050 | 45.15 | 363,457 |
| 2026-02-27 | Z AND ZG | Option Ex | 16,835 | 21.46 | 361,279 |
| 2026-02-27 | Z AND ZG | Sale | 8,050 | 45.15 | 363,457 |
| 2022-03-01 | Z AND ZG | Option Ex | 6,290 | 39.94 | 251,222 |
| 2022-03-01 | Z AND ZG | Sale | 4,454 | 57.91 | 257,931 |
| 2022-02-25 | Z AND ZG | Sale | 1,934 | 56.81 | 109,866 |
| 2022-02-25 | Z AND ZG | Option Ex | 3,145 | 34.62 | 108,876 |
| 2021-03-02 | Z AND ZG | Option Ex | 13,806 | 26.94 | 371,919 |
| 2021-03-02 | Z AND ZG | Sale | 2,296 | 165.88 | 380,865 |
| 2020-02-28 | Z AND ZG | Option Ex | 18,414 | 14.84 | 273,337 |
| 2020-02-28 | Z AND ZG | Sale | 5,355 | 52.75 | 282,486 |
| 2019-02-27 | Z AND ZG | Sale | 6,667 | 41.84 | 278,947 |
| 2019-02-27 | Z AND ZG | Option Ex | 27,003 | 10.10 | 272,730 |
| 2017-09-08 | Z AND ZG | Option Ex | 22,188 | 1.06 | 23,452 |
Table 2. Insider trading of Gci Liberty, Inc. (GLIBA) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-12-10 | GLIBA | Option Ex | 2,957 | .00 | 0 |
| 2019-12-04 | GLIBA | Sale | 16,659 | 69.84 | 1,163,531 |
| 2019-12-03 | GLIBA | Sale | 42,205 | 69.97 | 2,953,294 |
| 2019-12-02 | GLIBA | Sale | 31,127 | 70.39 | 2,190,936 |
| 2019-12-02 | GLIBA | Option Ex | 765,441 | 55.96 | 42,834,078 |
Table 3. Insider trading of Liberty Media Acquisition Corp (LMACA) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-01-26 | LMACA | Buy | 740,251 | 10.00 | 7,402,510 |
Table 4. Insider trading of Tripadvisor, Inc. (TRIP) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-03-04 | TRIP | Buy | 50,000 | 22.62 | 1,131,200 |
Table 5. Insider trading of Qvc Group, Inc. (QRTEA) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-08-16 | QRTEA | Sale | 101 | 35.63 | 3,598 |
| 2022-03-25 | QRTEA | Option Ex | 229,022 | .00 | 0 |
| 2020-12-10 | QRTEA | Option Ex | 38,925 | .00 | 0 |
| 2019-05-15 | QRTEA | Buy | 50,000 | 12.75 | 637,550 |
| 2019-05-13 | QRTEA | Buy | 50,000 | 12.36 | 617,750 |
| 2019-05-14 | QRTEA | Buy | 50,000 | 12.62 | 631,050 |
| 2019-03-11 | QRTEA | Option Ex | 18,541 | .00 | 0 |
| 2017-12-26 | QVCA | Option Ex | 7,492,080 | 26.55 | 198,892,247 |
| 2015-12-16 | QVCA | Sale | 99,505 | 26.86 | 2,673,102 |
| 2015-12-15 | QVCA | Sale | 125,000 | 26.91 | 3,363,375 |
| 2015-12-15 | QVCA | Option Ex | 1,546,515 | 18.30 | 28,305,864 |
Table 6. Insider trading of Charter Communications, Inc. /mo/ (CHTR) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-08-16 | CHTR | Sale | 5 | 428.18 | 2,140 |
Table 7. Insider trading of Liberty Media Corp (FWONK) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-12-16 | FWONK | Option Ex | 307,413 | 30.64 | 9,420,056 |
| 2024-12-16 | FWONK | Sale | 35,463 | 71.78 | 2,545,640 |
| 2024-03-27 | LSXMA | Option Ex | 1,360,838 | 29.98 | 40,797,923 |
| 2023-08-16 | LSXMA | Sale | 5,182 | 41.09 | 212,949 |
| 2023-03-16 | LSXMA | Buy | 50,000 | 26.71 | 1,335,500 |
| 2023-03-16 | LSXMA | Sale | 78,411 | 71.55 | 5,610,307 |
| 2023-03-16 | LSXMA | Option Ex | 260,025 | 17.93 | 4,663,548 |
| 2023-03-14 | LSXMA | Option Ex | 21,886 | 17.46 | 382,238 |
| 2023-03-14 | LSXMA | Sale | 6,584 | 69.52 | 457,726 |
| 2022-03-04 | LSXMA | Option Ex | 465,282 | 22.58 | 10,504,671 |
| 2021-12-29 | LSXMA | Sale | 50,000 | 62.12 | 3,106,050 |
| 2021-12-30 | LSXMA | Sale | 50,000 | 63.13 | 3,156,550 |
| 2021-12-31 | LSXMA | Sale | 41,988 | 63.01 | 2,645,705 |
| 2021-12-27 | LSXMA | Sale | 50,000 | 61.91 | 3,095,400 |
| 2021-12-28 | LSXMA | Sale | 50,000 | 61.99 | 3,099,550 |
| 2021-12-23 | LSXMA | Sale | 50,000 | 61.61 | 3,080,350 |
| 2021-12-22 | LSXMA | Sale | 50,000 | 61.12 | 3,055,900 |
| 2021-12-15 | LSXMA | Option Ex | 4,505,419 | 20.11 | 90,617,492 |
| 2020-12-10 | LSXMA | Option Ex | 18,587 | .00 | 0 |
| 2020-06-17 | LSXMA | Option Ex | 229 | .00 | 0 |
| 2020-06-02 | LSXMA | Option Ex | 430,264 | 25.47 | 10,958,824 |
| 2019-12-12 | LSXMA | Sale | 147,577 | 47.70 | 7,040,013 |
| 2019-12-10 | LSXMA | Sale | 64,061 | 47.38 | 3,035,146 |
| 2019-12-11 | LSXMA | Sale | 137,489 | 47.29 | 6,501,992 |
| 2019-12-06 | LSXMA | Sale | 206,004 | 46.21 | 9,519,650 |
| 2019-12-09 | LSXMA | Sale | 80,148 | 45.85 | 3,674,465 |
| 2019-12-04 | LSXMA | Sale | 312,034 | 45.48 | 14,189,746 |
| 2019-12-05 | LSXMA | Sale | 167,977 | 46.19 | 7,759,529 |
| 2019-12-03 | LSXMA | Sale | 309,233 | 45.82 | 14,168,128 |
| 2019-12-02 | LSXMA | Sale | 122,799 | 45.75 | 5,618,299 |
| 2019-12-02 | LSXMA | Option Ex | 4,425,220 | 15.50 | 68,577,634 |
| 2019-11-27 | LSXMA | Sale | 9,612 | 27.91 | 268,299 |
| 2019-11-29 | LSXMA | Sale | 1,340 | 28.20 | 37,789 |
| 2019-11-22 | LSXMA | Sale | 16,732 | 27.06 | 452,700 |
| 2019-11-21 | LSXMA | Sale | 20,502 | 27.21 | 557,777 |
| 2019-11-19 | LSXMA | Sale | 8,769 | 28.00 | 245,488 |
| 2019-11-20 | LSXMA | Sale | 16,436 | 27.65 | 454,455 |
| 2019-11-18 | LSXMA | Sale | 12,678 | 27.75 | 351,865 |
| 2019-11-15 | LSXMA | Sale | 14,174 | 27.91 | 395,539 |
| 2019-11-15 | LSXMA | Option Ex | 354,148 | 11.30 | 4,003,643 |
| 2019-03-11 | LSXMA | Option Ex | 14,681 | .00 | 0 |
| 2018-12-03 | LSXMA | Buy | 3,500 | 30.29 | 106,018 |
| 2018-12-04 | LSXMA | Buy | 6,500 | 29.93 | 194,551 |
| 2016-06-06 | LMCA | Option Ex | 255,941 | 12.80 | 3,276,044 |
| 2015-12-15 | LMCA | Option Ex | 1,320,119 | 23.71 | 31,306,622 |
Table 8. Insider trading of Liberty Tripadvisor Holdings, Inc. (LTRPA) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-12-07 | LTRPA | Option Ex | 1,000,000 | .00 | 0 |
| 2023-12-15 | LTRPA | Option Ex | 320,057 | .00 | 0 |
| 2020-12-10 | LTRPA | Option Ex | 30,110 | .00 | 0 |
| 2019-09-13 | LTRPA | Buy | 15,408 | 10.38 | 160,012 |
Table 9. Insider trading of Sirius Xm Holdings Inc. ((SIRI)) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-04-16 | (SIRI) | Option Ex | 61,634 | 2.90 | 179,046 |
| 2023-05-22 | (SIRI) | Option Ex | 49,059 | 3.27 | 160,177 |
| 2022-03-17 | (SIRI) | Option Ex | 76,795 | 1.66 | 127,479 |
| 2020-05-12 | (SIRI) | Option Ex | 102,015 | .95 | 96,812 |
| 2020-05-12 | (SIRI) | Sale | 84,750 | 5.60 | 474,261 |
| 2019-05-13 | (SIRI) | Option Ex | 268,210 | .40 | 105,942 |
Table 10. Insider trading of Liberty Broadband Corp (LBRDA) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-12-18 | LBRDA | Sale | 125,000 | 79.73 | 9,966,750 |
| 2024-12-19 | LBRDA | Sale | 36,733 | 77.67 | 2,852,905 |
| 2023-08-16 | LBRDA | Sale | 1,135 | 92.09 | 104,522 |
| 2022-03-04 | LBRDA | Option Ex | 37,544 | 97.21 | 3,649,652 |
| 2021-12-15 | LBRDA | Option Ex | 369,785 | 97.21 | 35,946,799 |
| 2020-12-10 | LBRDA | Option Ex | 1,864 | .00 | 0 |
| 2019-11-13 | LBRDA | Sale | 29,141 | 118.08 | 3,440,969 |
| 2019-11-08 | LBRDA | Sale | 8,874 | 116.67 | 1,035,356 |
| 2019-11-11 | LBRDA | Sale | 16,437 | 117.18 | 1,926,054 |
| 2019-11-12 | LBRDA | Sale | 36,310 | 117.45 | 4,264,682 |
| 2019-11-06 | LBRDA | Option Ex | 877,233 | 33.12 | 29,049,570 |
| 2019-11-06 | LBRDA | Sale | 138,728 | 116.35 | 16,141,002 |
| 2019-11-07 | LBRDA | Sale | 123,172 | 116.03 | 14,291,523 |
| 2015-12-15 | LBRDA | Option Ex | 329,963 | 33.12 | 10,926,724 |
Table 11. Insider trading of Liberty Media Corp (STRZA) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2015-06-08 | STRZA | Option Ex | 445,357 | 13.32 | 5,932,155 |
| 2015-06-08 | STRZA | Sale | 161,438 | 41.41 | 6,684,824 |
Table 12. Insider trading of Atlanta Braves Holdings, Inc. (BATRK) by Maffei Gregory B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-03-27 | BATRK | Option Ex | 148,877 | 23.51 | 3,500,098 |
| 2023-08-16 | BATRK | Sale | 425 | 42.12 | 17,900 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Maffei Gregory B
(Director of Zillow Group, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.