Michael G. Barrett
Insider
First SEC filing: June 4, 2026 · Latest: June 4, 2026
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net: $-13,639,790
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 18, 2026 | OUT | M | 6,047 | · | · | 6,047 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 18, 2026 | OUT | A | 265 | · | · | 6,312 Direct | +4.38% | Acquired | (price as of 2026-10-05) |
| Sept. 18, 2026 | OUT | M | 6,047 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2026 | MGNI | F | 10,404 | $24.73 | $257,291 | 392,670 Direct | -2.58% | Disposed | 1.7% (price as of 2026-10-05) |
| Aug. 6, 2026 | MGNI | M 10b5-1 | 293,968 | $5.80 | $1,705,014 | 697,042 Direct | +72.93% | Acquired | 333.6% (price as of 2026-10-05) |
| Aug. 6, 2026 | MGNI | S 10b5-1 | 293,968 | $22.72 | $6,678,953 | 403,074 Direct | -42.17% | Disposed | 10.7% (price as of 2026-10-05) |
| Aug. 6, 2026 | MGNI | M 10b5-1 | 293,968 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| July 15, 2026 | MGNI | M 10b5-1 | 38,596 | · | · | 293,968 Direct | -11.61% | Disposed | (price as of 2026-10-05) |
| July 15, 2026 | MGNI | S 10b5-1 | 38,596 | $20.35 | $785,429 | 403,074 Direct | -8.74% | Disposed | 23.6% (price as of 2026-10-05) |
| July 15, 2026 | MGNI | M 10b5-1 | 38,596 | $5.80 | $223,857 | 441,670 Direct | +9.58% | Acquired | 333.6% (price as of 2026-10-05) |
| June 29, 2026 | MGNI | M 10b5-1 | 75,000 | · | · | 332,564 Direct | -18.40% | Disposed | (price as of 2026-10-05) |
| June 29, 2026 | MGNI | S 10b5-1 | 75,000 | $19.50 | $1,462,500 | 403,074 Direct | -15.69% | Disposed | 29.0% (price as of 2026-10-05) |
| June 29, 2026 | MGNI | M 10b5-1 | 75,000 | $5.80 | $435,000 | 478,074 Direct | +18.61% | Acquired | 333.6% (price as of 2026-10-05) |
| June 16, 2026 | MGNI | M 10b5-1 | 100,000 | · | · | 407,564 Direct | -19.70% | Disposed | (price as of 2026-10-05) |
| June 16, 2026 | MGNI | S 10b5-1 | 100,000 | $17.50 | $1,750,000 | 403,074 Direct | -19.88% | Disposed | 43.7% (price as of 2026-10-05) |
| June 16, 2026 | MGNI | M 10b5-1 | 100,000 | $5.80 | $580,000 | 503,074 Direct | +24.81% | Acquired | 333.6% (price as of 2026-10-05) |
| June 15, 2026 | MGNI | M 10b5-1 | 178,596 | · | · | 507,564 Direct | -26.03% | Disposed | (price as of 2026-10-05) |
| June 15, 2026 | MGNI | S 10b5-1 | 178,596 | $16.59 | $2,962,908 | 403,074 Direct | -30.70% | Disposed | 51.6% (price as of 2026-10-05) |
| June 15, 2026 | MGNI | M 10b5-1 | 178,596 | $5.80 | $1,035,857 | 581,670 Direct | +44.31% | Acquired | 333.6% (price as of 2026-10-05) |
| June 3, 2026 | OUT | A | 5,918 | · | · | 5,918 Direct | · | Acquired | (price as of 2026-10-05) |
| May 15, 2026 | MGNI | F | 10,404 | $12.82 | $133,379 | 403,074 Direct | -2.52% | Disposed | 96.2% (price as of 2026-10-05) |
| Feb. 15, 2026 | MGNI | F | 23,549 | $11.70 | $275,523 | 412,162 Direct | -5.40% | Disposed | 115.0% (price as of 2026-10-05) |
| Jan. 9, 2026 | MGNI | M | 213,750 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 9, 2026 | MGNI | F | 109,742 | $16.17 | $1,774,528 | 435,711 Direct | -20.12% | Disposed | 55.5% (price as of 2026-10-05) |
| Jan. 9, 2026 | MGNI | M | 213,750 | · | · | 545,453 Direct | +64.44% | Acquired | (price as of 2026-10-05) |
| Jan. 1, 2026 | MGNI | A | 90,909 | · | · | 90,909 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 1, 2026 | MGNI | A | 122,864 | · | · | 122,864 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 1, 2026 | MGNI | A | 94,044 | · | · | 331,703 Direct | +39.57% | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2025 | MGNI | F | 12,198 | $14.15 | $172,602 | 237,659 Direct | -4.88% | Disposed | 77.7% (price as of 2026-10-05) |
| Sept. 18, 2025 | OUT | A | 6,047 | · | · | 6,047 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 18, 2025 | MGNI | S | 35,951 | $23.85 | $857,431 | 249,857 Direct | -12.58% | Disposed | 5.5% (price as of 2026-10-05) |
| July 15, 2025 | MGNI | S 10b5-1 | 70,900 | $23.27 | $1,649,843 | 285,808 Direct | -19.88% | Disposed | 8.1% (price as of 2026-10-05) |
| June 24, 2025 | MGNI | S 10b5-1 | 300,000 | $20.01 | $6,003,000 | 356,708 Direct | -45.68% | Disposed | 25.7% (price as of 2026-10-05) |
| June 18, 2025 | MGNI | S 10b5-1 | 30,000 | $19.00 | $570,000 | 656,708 Direct | -4.37% | Disposed | 32.4% (price as of 2026-10-05) |
| June 16, 2025 | MGNI | S 10b5-1 | 45,000 | $17.76 | $799,200 | 686,708 Direct | -6.15% | Disposed | 41.6% (price as of 2026-10-05) |
| May 15, 2025 | MGNI | F | 13,086 | $15.88 | $207,806 | 731,708 Direct | -1.76% | Disposed | 58.4% (price as of 2026-10-05) |
| Feb. 15, 2025 | MGNI | F | 26,499 | $20.00 | $529,980 | 743,217 Direct | -3.44% | Disposed | 25.7% (price as of 2026-10-05) |
| Feb. 5, 2025 | MGNI | M | 108,360 | · | · | 825,391 Direct | +15.11% | Acquired | (price as of 2026-10-05) |
| Feb. 5, 2025 | MGNI | F | 55,675 | $17.97 | $1,000,480 | 769,716 Direct | -6.75% | Disposed | 40.0% (price as of 2026-10-05) |
| Feb. 5, 2025 | MGNI | M | 86,806 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 9, 2025 | MGNI | A | 82,117 | · | · | 717,031 Direct | +12.93% | Acquired | (price as of 2026-10-05) |
| Jan. 9, 2025 | MGNI | A | 107,497 | · | · | 107,497 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 9, 2025 | MGNI | A | 81,374 | · | · | 81,374 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 4, 2024 | MGNI | S 10b5-1 | 147,996 | $17.52 | $2,592,890 | 634,914 Direct | -18.90% | Disposed | 43.6% (price as of 2026-10-05) |
| Nov. 25, 2024 | MGNI | S 10b5-1 | 27,004 | $17.63 | $476,081 | 782,910 Direct | -3.33% | Disposed | 42.7% (price as of 2026-10-05) |
| Nov. 15, 2024 | MGNI | F | 9,638 | $15.85 | $152,762 | 909,914 Direct | -1.05% | Disposed | 58.7% (price as of 2026-10-05) |
| Nov. 15, 2024 | MGNI | S 10b5-1 | 100,000 | $16.14 | $1,614,000 | 809,914 Direct | -10.99% | Disposed | 55.8% (price as of 2026-10-05) |
| Nov. 11, 2024 | MGNI | S 10b5-1 | 25,000 | $15.00 | $375,000 | 919,552 Direct | -2.65% | Disposed | 67.7% (price as of 2026-10-05) |
| Aug. 15, 2024 | MGNI | F | 32,941 | $12.51 | $412,092 | 1,019,552 Direct | -3.13% | Disposed | 101.0% (price as of 2026-10-05) |
| Aug. 15, 2024 | MGNI | S 10b5-1 | 75,000 | $12.63 | $947,250 | 944,552 Direct | -7.36% | Disposed | 99.1% (price as of 2026-10-05) |
| July 15, 2024 | MGNI | S 10b5-1 | 100,000 | $15.00 | $1,500,000 | 1,052,493 Direct | -8.68% | Disposed | 67.7% (price as of 2026-10-05) |
| May 15, 2024 | MGNI | F | 10,441 | $9.80 | $102,322 | 1,224,221 Direct | -0.85% | Disposed | 156.6% (price as of 2026-10-05) |
| May 15, 2024 | MGNI | S 10b5-1 | 75,000 | $9.02 | $676,500 | 1,152,493 Direct | -6.11% | Disposed | 178.8% (price as of 2026-10-05) |
| March 15, 2024 | MGNI | S 10b5-1 | 75,000 | $11.21 | $840,750 | 1,234,662 Direct | -5.73% | Disposed | 124.4% (price as of 2026-10-05) |
| Feb. 15, 2024 | MGNI | F | 20,400 | $9.74 | $198,696 | 1,309,392 Direct | -1.53% | Disposed | 158.2% (price as of 2026-10-05) |
| Jan. 2, 2024 | MGNI | A | 129,870 | · | · | 129,870 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2024 | MGNI | A | 169,173 | · | · | 169,173 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2024 | MGNI | A | 121,951 | · | · | 1,329,792 Direct | +10.10% | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2023 | MGNI | F | 11,362 | $7.89 | $89,646 | 1,207,841 Direct | -0.93% | Disposed | 218.8% (price as of 2026-10-05) |
| Nov. 15, 2023 | MGNI | S 10b5-1 | 75,000 | $7.80 | $585,000 | 1,219,203 Direct | -5.80% | Disposed | 222.4% (price as of 2026-10-05) |
| Aug. 16, 2023 | MGNI | S | 35,869 | $8.31 | $298,071 | 1,294,203 Direct | -2.70% | Disposed | 202.6% (price as of 2026-10-05) |
| Aug. 15, 2023 | MGNI | S 10b5-1 | 75,000 | $8.52 | $639,000 | 1,330,072 Direct | -5.34% | Disposed | 195.2% (price as of 2026-10-05) |
| July 11, 2023 | MGNI | S 10b5-1 | 25,000 | $15.02 | $375,500 | 1,405,072 Direct | -1.75% | Disposed | 67.4% (price as of 2026-10-05) |
| May 31, 2023 | MGNI | S 10b5-1 | 75,000 | $11.69 | $876,750 | 1,430,072 Direct | -4.98% | Disposed | 115.1% (price as of 2026-10-05) |
| May 16, 2023 | MGNI | S | 24,679 | $10.88 | $268,508 | 1,505,072 Direct | -1.61% | Disposed | 131.2% (price as of 2026-10-05) |
| April 4, 2023 | MGNI | M | 138,014 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 4, 2023 | MGNI | F | 69,743 | $9.05 | $631,174 | 1,527,780 Direct | -4.37% | Disposed | 177.9% (price as of 2026-10-05) |
| April 4, 2023 | MGNI | M | 138,014 | · | · | 1,597,523 Direct | +9.46% | Acquired | (price as of 2026-10-05) |
| March 15, 2023 | MGNI | S 10b5-1 | 75,000 | $8.39 | $629,250 | 1,459,509 Direct | -4.89% | Disposed | 199.8% (price as of 2026-10-05) |
| Feb. 15, 2023 | MGNI | F | 17,678 | $13.27 | $234,587 | 1,534,509 Direct | -1.14% | Disposed | 89.5% (price as of 2026-10-05) |
| Jan. 1, 2023 | MGNI | A | 129,870 | · | · | 129,870 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 1, 2023 | MGNI | A | 169,173 | · | · | 169,173 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 1, 2023 | MGNI | A | 121,951 | · | · | 1,552,187 Direct | +8.53% | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2022 | MGNI | S 10b5-1 | 7,214 | $11.86 | $85,558 | 1,430,236 Direct | -0.50% | Disposed | 112.1% (price as of 2026-10-05) |
| Nov. 15, 2022 | MGNI | S 10b5-1 | 67,786 | $11.55 | $782,928 | 1,437,450 Direct | -4.50% | Disposed | 117.7% (price as of 2026-10-05) |
| Nov. 15, 2022 | MGNI | F | 29,283 | $11.47 | $335,876 | 1,505,236 Direct | -1.91% | Disposed | 119.3% (price as of 2026-10-05) |
| Aug. 15, 2022 | MGNI | F | 6,949 | $9.80 | $68,100 | 1,534,519 Direct | -0.45% | Disposed | 156.6% (price as of 2026-10-05) |
| May 15, 2022 | MGNI | F | 32,422 | $10.59 | $343,349 | 1,541,468 Direct | -2.06% | Disposed | 137.5% (price as of 2026-10-05) |
| Feb. 15, 2022 | MGNI | F | 4,207 | $13.95 | $58,688 | 1,572,761 Direct | -0.27% | Disposed | 80.3% (price as of 2026-10-05) |
| Feb. 1, 2022 | MGNI | A | 86,806 | · | · | 86,806 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 1, 2022 | MGNI | A | 172,216 | · | · | 172,216 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 1, 2022 | MGNI | A | 138,313 | · | · | 1,576,968 Direct | +9.61% | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2021 | MGNI | F | 40,713 | $22.50 | $916,042 | 1,438,655 Direct | -2.75% | Disposed | 11.8% (price as of 2026-10-05) |
| Aug. 26, 2021 | MGNI | A | 379,635 | · | · | 379,635 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 26, 2021 | MGNI | A | 136,939 | · | · | 1,479,368 Direct | +10.20% | Acquired | (price as of 2026-10-05) |
| Aug. 16, 2021 | MGNI | S | 6,341 | $26.82 | $170,066 | 1,342,429 Direct | -0.47% | Disposed | -6.2% (price as of 2026-10-05) |
| Aug. 16, 2021 | MGNI | S 10b5-1 | 9,729 | $28.47 | $276,985 | 1,348,770 Direct | -0.72% | Disposed | -11.7% (price as of 2026-10-05) |
| Aug. 16, 2021 | MGNI | S 10b5-1 | 65,271 | $27.81 | $1,815,187 | 1,358,499 Direct | -4.58% | Disposed | -9.6% (price as of 2026-10-05) |
| May 17, 2021 | MGNI | S | 105,138 | $25.98 | $2,731,485 | 1,423,770 Direct | -6.88% | Disposed | -3.2% (price as of 2026-10-05) |
| April 5, 2021 | MGNI | S 10b5-1 | 518 | $43.51 | $22,538 | 1,526,678 Direct | -0.03% | Disposed | -42.2% (price as of 2026-10-05) |
| April 5, 2021 | MGNI | S 10b5-1 | 2,841 | $42.39 | $120,430 | 1,527,196 Direct | -0.19% | Disposed | -40.7% (price as of 2026-10-05) |
| April 5, 2021 | MGNI | S 10b5-1 | 2,926 | $41.51 | $121,458 | 1,530,037 Direct | -0.19% | Disposed | -39.4% (price as of 2026-10-05) |
| April 5, 2021 | MGNI | S 10b5-1 | 16,933 | $40.28 | $682,061 | 1,532,963 Direct | -1.09% | Disposed | -37.6% (price as of 2026-10-05) |
| April 5, 2021 | MGNI | S 10b5-1 | 51,782 | $39.48 | $2,044,353 | 1,549,896 Direct | -3.23% | Disposed | -36.3% (price as of 2026-10-05) |
| April 1, 2021 | MGNI | A | 26,291 | · | · | 26,291 Direct | · | Acquired | (price as of 2026-10-05) |
| April 1, 2021 | MGNI | A | 54,358 | · | · | 54,358 Direct | · | Acquired | (price as of 2026-10-05) |
| April 1, 2021 | MGNI | A | 41,742 | · | · | 1,601,678 Direct | +2.68% | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2020 | MGNI | S | 95,053 | $11.06 | $1,051,286 | 1,559,936 Direct | -5.74% | Disposed | 127.4% (price as of 2026-10-05) |
| May 19, 2020 | MGNI | S | 38,630 | $5.23 | $202,035 | 1,709,228 Direct | -2.21% | Disposed | 380.9% (price as of 2026-10-05) |
| May 18, 2020 | MGNI | S | 41,409 | $5.43 | $224,851 | 1,747,858 Direct | -2.31% | Disposed | 363.2% (price as of 2026-10-05) |
Showing latest 100 of 122 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Sept. 18, 2026 | OUT | Restricted Share Units | Common Stock | · | · | 6,047 | Disposed |
| Aug. 6, 2026 | MGNI | Stock Option (right to buy) | Common Stock | $5.80 | March 17, 2027 | 293,968 | Disposed |
| July 15, 2026 | MGNI | Employee Stock Option (Right to Buy) | Common Stock | $5.80 | March 17, 2027 | 38,596 | Disposed |
| June 29, 2026 | MGNI | Employee Stock Option (Right to Buy) | Common Stock | $5.80 | March 17, 2027 | 75,000 | Disposed |
| June 16, 2026 | MGNI | Employee Stock Option (Right to Buy) | Common Stock | $5.80 | March 17, 2027 | 100,000 | Disposed |
| June 15, 2026 | MGNI | Employee Stock Option (Right to Buy) | Common Stock | $5.80 | March 17, 2027 | 178,596 | Disposed |
| June 3, 2026 | OUT | Restricted Share Units | Common Stock | · | · | 5,918 | Acquired |
| Jan. 9, 2026 | MGNI | Performance Stock Units | Common Stock | · | · | 213,750 | Disposed |
| Jan. 1, 2026 | MGNI | Stock Option (Right to Buy) | Common Stock | $16.23 | Jan. 1, 2036 | 90,909 | Acquired |
| Jan. 1, 2026 | MGNI | Performance Stock Units | Common Stock | · | · | 122,864 | Acquired |
| Sept. 18, 2025 | OUT | Restricted Share Units | Common Stock | · | · | 6,047 | Acquired |
| Feb. 5, 2025 | MGNI | Performance Stock Units | Common Stock | · | · | 86,806 | Disposed |
| Jan. 9, 2025 | MGNI | Performance Stock Units | Common Stock | · | · | 107,497 | Acquired |
| Jan. 9, 2025 | MGNI | Stock Option (Right to Buy) | Common Stock | $16.46 | Jan. 9, 2035 | 81,374 | Acquired |
| Jan. 2, 2024 | MGNI | Stock Option (Right to Buy) | Common Stock | $9.20 | Jan. 2, 2034 | 129,870 | Acquired |
| Jan. 2, 2024 | MGNI | Performance Stock Units | Common Stock | · | · | 169,173 | Acquired |
| April 4, 2023 | MGNI | Performance Stock Units | Common Stock | · | · | 138,014 | Disposed |
| Jan. 1, 2023 | MGNI | Stock Option (Right to Buy) | Common Stock | $10.59 | Jan. 1, 2033 | 129,870 | Acquired |
| Jan. 1, 2023 | MGNI | Performance Stock Units | Common Stock | · | · | 169,173 | Acquired |
| Feb. 1, 2022 | MGNI | Performance Stock Units | Common Stock | · | · | 86,806 | Acquired |
| Feb. 1, 2022 | MGNI | Stock Option (right to buy) | Common Stock | $13.90 | Feb. 1, 2032 | 172,216 | Acquired |
| Aug. 26, 2021 | MGNI | Performance Stock Units | Common Stock | · | · | 379,635 | Acquired |
| April 1, 2021 | MGNI | Performance Stock Units | Common Stock | · | · | 26,291 | Acquired |
| April 1, 2021 | MGNI | Employee Stock Option (right to buy) | Common Stock | $42.80 | April 1, 2031 | 54,358 | Acquired |
| April 1, 2020 | MGNI | Stock Option (right to buy) | Common Stock | $5.28 | April 1, 2030 | 231,568 | Acquired |
| April 1, 2020 | MGNI | Performance Stock Units | Common Stock | · | · | 146,341 | Acquired |
| Feb. 22, 2019 | MGNI | Employee Stock Option (Right to Buy) | Common Stock | $5.14 | Feb. 22, 2029 | 300,000 | Acquired |
| March 15, 2018 | MGNI | Employee Stock Option (Right to Buy) | Common Stock | $1.97 | March 15, 2028 | 300,000 | Acquired |
| March 17, 2017 | MGNI | Stock Option (right to buy) | Common Stock | $5.80 | March 17, 2027 | 686,160 | Acquired |
| March 17, 2017 | MGNI | Stock Option (right to buy) | Common Stock | $5.80 | March 17, 2027 | 634,780 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $650,000 | $23,010 | $3,601,632 | $927,883 | $629,460 | · | $10,635 | $5,842,620 |
| 2024 | $625,000 | · | $3,111,848 | $823,337 | $676,438 | · | $10,485 | $5,247,108 |
| 2023 | $625,000 | · | $3,541,462 | $943,752 | $519,625 | · | $10,035 | $5,639,874 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.