The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Day David since 2015.
This trader's CIK number is 1523288.
At the time of last reporting, Day David was the CHIEF FINANCIAL OFFICER of Magnite, Inc.. (stock ticker symbol MGNI).
Also see all insider trading activities at Magnite, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MGNI | 0 | $0 | 196,439 | $3,994,144 | 148,146 | $754,438 |
| 2024 | MGNI | 0 | $0 | 105,622 | $1,498,256 | 0 | $0 |
| 2023 | MGNI | 0 | $0 | 72,809 | $917,457 | 9,584 | $18,880 |
| 2021 | MGNI | 0 | $0 | 78,697 | $2,871,449 | 37,951 | $164,283 |
| 2020 | MGNI | 0 | $0 | 385,739 | $4,491,156 | 250,303 | $1,588,811 |
| 2019 | MGNI | 0 | $0 | 88,804 | $598,604 | 0 | $0 |
| 2018 | MGNI | 0 | $0 | 53,798 | $253,094 | 0 | $0 |
| 2016 | MGNI | 0 | $0 | 43,156 | $745,443 | 20,000 | $156,000 |
| 2015 | MGNI | 0 | $0 | 22,600 | $423,523 | 15,000 | $117,000 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-18 | MGNI | Sale | 13,366 | 23.85 | 318,779 |
| 2025-06-30 | MGNI | Sale | 21,682 | 22.00 | 477,004 |
| 2025-06-26 | MGNI | Sale | 36,000 | 20.95 | 754,200 |
| 2025-06-24 | MGNI | Option Ex | 35,000 | 5.28 | 184,800 |
| 2025-06-24 | MGNI | Sale | 35,000 | 19.95 | 698,250 |
| 2025-06-26 | MGNI | Option Ex | 36,000 | 5.28 | 190,080 |
| 2025-06-18 | MGNI | Option Ex | 38,146 | 4.92 | 187,678 |
| 2025-06-18 | MGNI | Sale | 38,146 | 18.95 | 722,866 |
| 2025-02-07 | MGNI | Sale | 39,000 | 20.00 | 780,000 |
| 2025-02-06 | MGNI | Sale | 13,245 | 18.35 | 243,045 |
| 2025-02-07 | MGNI | Option Ex | 39,000 | 4.92 | 191,880 |
| 2024-12-16 | MGNI | Sale | 11,644 | 16.44 | 191,427 |
| 2024-12-17 | MGNI | Sale | 13,500 | 16.32 | 220,320 |
| 2024-07-15 | MGNI | Sale | 19,077 | 15.00 | 286,155 |
| 2024-06-12 | MGNI | Sale | 21,299 | 14.01 | 298,398 |
| 2024-06-03 | MGNI | Sale | 20,732 | 13.00 | 269,516 |
| 2024-05-16 | MGNI | Sale | 19,370 | 12.00 | 232,440 |
| 2023-08-16 | MGNI | Sale | 9,078 | 8.31 | 75,438 |
| 2023-07-11 | MGNI | Sale | 9,584 | 15.00 | 143,760 |
| 2023-07-11 | MGNI | Option Ex | 9,584 | 1.97 | 18,880 |
| 2023-06-29 | MGNI | Sale | 21,564 | 14.00 | 301,896 |
| 2023-06-12 | MGNI | Sale | 1,213 | 13.47 | 16,339 |
| 2023-06-13 | MGNI | Sale | 15,304 | 13.41 | 205,226 |
| 2023-05-16 | MGNI | Sale | 16,066 | 10.88 | 174,798 |
| 2021-08-16 | MGNI | Sale | 5,177 | 26.82 | 138,847 |
| 2021-05-17 | MGNI | Sale | 35,569 | 25.98 | 924,082 |
| 2021-03-25 | MGNI | Option Ex | 10,454 | 1.97 | 20,594 |
| 2021-03-25 | MGNI | Sale | 10,454 | 39.74 | 415,441 |
| 2021-03-10 | MGNI | Option Ex | 20,125 | 4.92 | 99,015 |
| 2021-03-10 | MGNI | Sale | 20,125 | 46.99 | 945,673 |
| 2021-02-16 | MGNI | Sale | 7,372 | 60.69 | 447,406 |
| 2021-02-16 | MGNI | Option Ex | 7,372 | 6.06 | 44,674 |
| 2020-11-30 | MGNI | Sale | 18,033 | 19.44 | 350,561 |
| 2020-11-23 | MGNI | Option Ex | 12,795 | 6.06 | 77,537 |
| 2020-11-23 | MGNI | Sale | 12,795 | 15.90 | 203,440 |
| 2020-11-19 | MGNI | Option Ex | 134,330 | 6.36 | 854,338 |
| 2020-11-20 | MGNI | Option Ex | 12,000 | 6.06 | 72,720 |
| 2020-11-19 | MGNI | Sale | 134,330 | 13.22 | 1,776,514 |
| 2020-11-20 | MGNI | Sale | 12,000 | 14.96 | 179,520 |
| 2020-11-16 | MGNI | Sale | 16,256 | 11.06 | 179,791 |
| 2020-11-09 | MGNI | Sale | 30,000 | 12.23 | 366,900 |
| 2020-11-06 | MGNI | Option Ex | 39,399 | 7.80 | 307,312 |
| 2020-11-06 | MGNI | Sale | 39,399 | 11.50 | 453,088 |
| 2020-11-09 | MGNI | Option Ex | 30,000 | 7.80 | 234,000 |
| 2020-10-14 | MGNI | Sale | 11,779 | 9.50 | 111,900 |
| 2020-10-13 | MGNI | Sale | 13,074 | 8.90 | 116,358 |
| 2020-10-14 | MGNI | Option Ex | 11,779 | 1.97 | 23,204 |
| 2020-06-08 | RUBI | Option Ex | 10,000 | 1.97 | 19,700 |
| 2020-06-08 | RUBI | Sale | 10,000 | 8.69 | 86,900 |
| 2020-06-05 | RUBI | Sale | 29,018 | 7.90 | 229,242 |
| 2020-05-18 | RUBI | Sale | 11,146 | 5.43 | 60,522 |
| 2020-05-19 | RUBI | Sale | 10,397 | 5.23 | 54,376 |
| 2020-05-20 | RUBI | Sale | 12,965 | 5.13 | 66,510 |
| 2020-01-16 | RUBI | Sale | 24,547 | 10.41 | 255,534 |
| 2019-11-18 | RUBI | Sale | 7,711 | 7.57 | 58,372 |
| 2019-05-17 | RUBI | Sale | 12,257 | 6.26 | 76,728 |
| 2019-05-16 | RUBI | Sale | 12,999 | 6.19 | 80,463 |
| 2019-03-18 | RUBI | Sale | 55,837 | 6.86 | 383,041 |
| 2018-11-13 | RUBI | Sale | 5,196 | 4.70 | 24,421 |
| 2018-11-14 | RUBI | Sale | 24,146 | 4.70 | 113,486 |
| 2018-11-15 | RUBI | Sale | 24,456 | 4.71 | 115,187 |
| 2016-11-15 | RUBI | Sale | 1,202 | 7.84 | 9,423 |
| 2016-05-16 | RUBI | Sale | 10,819 | 14.22 | 153,846 |
| 2016-04-20 | RUBI | Sale | 1,000 | 19.90 | 19,900 |
| 2016-04-20 | RUBI | Option Ex | 1,000 | 7.80 | 7,800 |
| 2016-04-14 | RUBI | Option Ex | 19,000 | 7.80 | 148,200 |
| 2016-04-14 | RUBI | Sale | 19,000 | 19.90 | 378,100 |
| 2016-03-15 | RUBI | Sale | 10,294 | 16.51 | 169,953 |
| 2016-03-11 | RUBI | Sale | 841 | 16.91 | 14,221 |
| 2015-11-16 | RUBI | Sale | 2,400 | 14.74 | 35,376 |
| 2015-05-15 | RUBI | Sale | 5,200 | 17.24 | 89,647 |
| 2015-02-25 | RUBI | Option Ex | 15,000 | 7.80 | 117,000 |
| 2015-02-25 | RUBI | Sale | 15,000 | 19.90 | 298,500 |
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 Day David (CHIEF FINANCIAL OFFICER of Magnite, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.