Katie Seitz Evans
Insider
First SEC filing: Sept. 25, 2020 · Latest: Sept. 25, 2020
Insider at
Insider transactions
0 buys (P)
4 sells (S)
Net: $-1,839,229
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. 11, 2026 | MGNI | S 10b5-1 | 13,997 | $24.00 | $335,928 | 441,800 Direct | -3.07% | Disposed | 4.8% (price as of 2026-10-05) |
| Sept. 9, 2026 | MGNI | S 10b5-1 | 11,100 | $23.46 | $260,406 | 455,797 Direct | -2.38% | Disposed | 7.2% (price as of 2026-10-05) |
| Sept. 8, 2026 | MGNI | M 10b5-1 | 13,546 | $5.16 | $69,897 | 499,182 Direct | +2.79% | Acquired | 387.4% (price as of 2026-10-05) |
| Sept. 8, 2026 | MGNI | S 10b5-1 | 32,285 | $23.63 | $762,895 | 466,897 Direct | -6.47% | Disposed | 6.4% (price as of 2026-10-05) |
| Sept. 8, 2026 | MGNI | M 10b5-1 | 13,546 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2026 | MGNI | F | 11,204 | $24.73 | $277,075 | 485,636 Direct | -2.26% | Disposed | 1.7% (price as of 2026-10-05) |
| Aug. 6, 2026 | MGNI | M 10b5-1 | 20,000 | $5.16 | $103,200 | 516,840 Direct | +4.03% | Acquired | 387.4% (price as of 2026-10-05) |
| Aug. 6, 2026 | MGNI | S 10b5-1 | 20,000 | $24.00 | $480,000 | 496,840 Direct | -3.87% | Disposed | 4.8% (price as of 2026-10-05) |
| Aug. 6, 2026 | MGNI | M 10b5-1 | 20,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 15, 2026 | MGNI | F | 11,204 | $12.82 | $143,635 | 496,840 Direct | -2.21% | Disposed | 96.2% (price as of 2026-10-05) |
| Feb. 15, 2026 | MGNI | F | 27,428 | $11.70 | $320,908 | 508,044 Direct | -5.12% | Disposed | 115.0% (price as of 2026-10-05) |
| Jan. 9, 2026 | MGNI | M | 51,300 | · | · | 562,308 Direct | +10.04% | Acquired | (price as of 2026-10-05) |
| Jan. 9, 2026 | MGNI | F | 26,836 | $16.17 | $433,938 | 535,472 Direct | -4.77% | Disposed | 55.5% (price as of 2026-10-05) |
| Jan. 9, 2026 | MGNI | M | 51,300 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 1, 2026 | MGNI | A | 127,273 | · | · | 511,008 Direct | +33.17% | Acquired | (price as of 2026-10-05) |
| Jan. 1, 2026 | MGNI | A | 42,757 | · | · | 42,757 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2025 | MGNI | F | 10,354 | $14.15 | $146,509 | 383,735 Direct | -2.63% | Disposed | 77.7% (price as of 2026-10-05) |
| Aug. 27, 2025 | MGNI | S | 21,509 | $25.52 | $548,910 | 394,089 Direct | -5.18% | Disposed | -1.4% (price as of 2026-10-05) |
| Aug. 25, 2025 | MGNI | S 10b5-1 | 8,345 | $26.00 | $216,970 | 415,598 Direct | -1.97% | Disposed | -3.3% (price as of 2026-10-05) |
| Aug. 18, 2025 | MGNI | S | 10,487 | $23.85 | $250,115 | 423,943 Direct | -2.41% | Disposed | 5.5% (price as of 2026-10-05) |
| June 30, 2025 | MGNI | M 10b5-1 | 16,137 | $3.61 | $58,255 | 458,925 Direct | +3.64% | Acquired | 596.7% (price as of 2026-10-05) |
| June 30, 2025 | MGNI | S 10b5-1 | 8,358 | $22.00 | $183,876 | 450,567 Direct | -1.82% | Disposed | 14.3% (price as of 2026-10-05) |
| June 30, 2025 | MGNI | S 10b5-1 | 16,137 | $24.00 | $387,288 | 434,430 Direct | -3.58% | Disposed | 4.8% (price as of 2026-10-05) |
| June 30, 2025 | MGNI | M 10b5-1 | 16,137 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 16, 2025 | MGNI | M 10b5-1 | 20,000 | $3.61 | $72,200 | 462,788 Direct | +4.52% | Acquired | 596.7% (price as of 2026-10-05) |
| June 16, 2025 | MGNI | S 10b5-1 | 20,000 | $18.50 | $370,000 | 442,788 Direct | -4.32% | Disposed | 35.9% (price as of 2026-10-05) |
| June 16, 2025 | MGNI | M 10b5-1 | 20,000 | · | · | 16,137 Direct | -55.34% | Disposed | (price as of 2026-10-05) |
| June 5, 2025 | MGNI | M 10b5-1 | 20,000 | $3.61 | $72,200 | 477,788 Direct | +4.37% | Acquired | 596.7% (price as of 2026-10-05) |
| June 5, 2025 | MGNI | S 10b5-1 | 35,000 | $17.36 | $607,600 | 442,788 Direct | -7.33% | Disposed | 44.9% (price as of 2026-10-05) |
| June 5, 2025 | MGNI | M 10b5-1 | 20,000 | · | · | 36,137 Direct | -35.63% | Disposed | (price as of 2026-10-05) |
| May 15, 2025 | MGNI | F | 10,860 | $15.88 | $172,457 | 457,788 Direct | -2.32% | Disposed | 58.4% (price as of 2026-10-05) |
| Feb. 15, 2025 | MGNI | F | 23,481 | $20.00 | $469,620 | 468,648 Direct | -4.77% | Disposed | 25.7% (price as of 2026-10-05) |
| Feb. 7, 2025 | MGNI | S 10b5-1 | 12,520 | $20.00 | $250,400 | 492,129 Direct | -2.48% | Disposed | 25.7% (price as of 2026-10-05) |
| Jan. 9, 2025 | MGNI | A | 123,479 | · | · | 504,649 Direct | +32.39% | Acquired | (price as of 2026-10-05) |
| Jan. 9, 2025 | MGNI | A | 41,566 | · | · | 41,566 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2024 | MGNI | F | 7,483 | $15.85 | $118,606 | 381,170 Direct | -1.93% | Disposed | 58.7% (price as of 2026-10-05) |
| Nov. 11, 2024 | MGNI | S 10b5-1 | 12,824 | $16.00 | $205,184 | 388,653 Direct | -3.19% | Disposed | 57.2% (price as of 2026-10-05) |
| Aug. 15, 2024 | MGNI | F | 7,483 | $12.51 | $93,612 | 401,477 Direct | -1.83% | Disposed | 101.0% (price as of 2026-10-05) |
| June 13, 2024 | MGNI | S 10b5-1 | 14,541 | $13.77 | $200,230 | 408,960 Direct | -3.43% | Disposed | 82.6% (price as of 2026-10-05) |
| May 15, 2024 | MGNI | F | 9,448 | $9.80 | $92,590 | 423,501 Direct | -2.18% | Disposed | 156.6% (price as of 2026-10-05) |
| Feb. 15, 2024 | MGNI | F | 23,105 | $9.74 | $225,043 | 432,949 Direct | -5.07% | Disposed | 158.2% (price as of 2026-10-05) |
| Jan. 2, 2024 | MGNI | A | 113,821 | · | · | 456,054 Direct | +33.26% | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2024 | MGNI | A | 40,602 | · | · | 40,602 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2023 | MGNI | F | 6,800 | $7.89 | $53,652 | 342,233 Direct | -1.95% | Disposed | 218.8% (price as of 2026-10-05) |
| Aug. 16, 2023 | MGNI | S | 7,038 | $8.31 | $58,486 | 349,033 Direct | -1.98% | Disposed | 202.6% (price as of 2026-10-05) |
| July 11, 2023 | MGNI | S 10b5-1 | 17,774 | $15.00 | $266,610 | 356,071 Direct | -4.75% | Disposed | 67.7% (price as of 2026-10-05) |
| June 12, 2023 | MGNI | S 10b5-1 | 11,098 | $13.43 | $149,046 | 373,845 Direct | -2.88% | Disposed | 87.3% (price as of 2026-10-05) |
| May 16, 2023 | MGNI | S | 7,450 | $10.88 | $81,056 | 384,943 Direct | -1.90% | Disposed | 131.2% (price as of 2026-10-05) |
| March 1, 2023 | MGNI | S | 78,155 | $10.99 | $858,923 | 392,393 Direct | -16.61% | Disposed | 128.8% (price as of 2026-10-05) |
| Feb. 15, 2023 | MGNI | F | 16,067 | $13.27 | $213,209 | 470,548 Direct | -3.30% | Disposed | 89.5% (price as of 2026-10-05) |
| Feb. 14, 2023 | MGNI | F | 6,819 | $11.82 | $80,601 | 486,615 Direct | -1.38% | Disposed | 112.8% (price as of 2026-10-05) |
| Jan. 1, 2023 | MGNI | A | 40,602 | · | · | 40,602 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 1, 2023 | MGNI | A | 113,821 | · | · | 493,434 Direct | +29.98% | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2022 | MGNI | F | 3,710 | $11.47 | $42,554 | 379,613 Direct | -0.97% | Disposed | 119.3% (price as of 2026-10-05) |
| Aug. 15, 2022 | MGNI | F | 3,710 | $9.80 | $36,358 | 383,323 Direct | -0.96% | Disposed | 156.6% (price as of 2026-10-05) |
| May 15, 2022 | MGNI | F | 6,243 | $10.59 | $66,113 | 387,033 Direct | -1.59% | Disposed | 137.5% (price as of 2026-10-05) |
| April 6, 2022 | MGNI | S 10b5-1 | 15,805 | $13.13 | $207,520 | 393,276 Direct | -3.86% | Disposed | 91.5% (price as of 2026-10-05) |
| April 1, 2022 | MGNI | F | 26,205 | $13.49 | $353,505 | 409,081 Direct | -6.02% | Disposed | 86.4% (price as of 2026-10-05) |
| Feb. 15, 2022 | MGNI | F | 2,949 | $13.95 | $41,139 | 435,286 Direct | -0.67% | Disposed | 80.3% (price as of 2026-10-05) |
| Feb. 14, 2022 | MGNI | F | 10,259 | $13.30 | $136,445 | 438,235 Direct | -2.29% | Disposed | 89.1% (price as of 2026-10-05) |
| Feb. 1, 2022 | MGNI | A | 68,886 | · | · | 68,886 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 1, 2022 | MGNI | A | 96,819 | · | · | 448,494 Direct | +27.53% | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2021 | MGNI | F | 3,069 | $22.50 | $69,052 | 351,675 Direct | -0.87% | Disposed | 11.8% (price as of 2026-10-05) |
| Sept. 14, 2021 | MGNI | S 10b5-1 | 32,260 | $30.00 | $967,800 | 354,744 Direct | -8.34% | Disposed | -16.2% (price as of 2026-10-05) |
| Sept. 13, 2021 | MGNI | S 10b5-1 | 2,476 | $29.97 | $74,206 | 387,004 Direct | -0.64% | Disposed | -16.1% (price as of 2026-10-05) |
| Sept. 13, 2021 | MGNI | S 10b5-1 | 870 | $28.84 | $25,091 | 389,480 Direct | -0.22% | Disposed | -12.8% (price as of 2026-10-05) |
| Sept. 13, 2021 | MGNI | S 10b5-1 | 28,584 | $28.34 | $810,071 | 390,350 Direct | -6.82% | Disposed | -11.3% (price as of 2026-10-05) |
| Aug. 16, 2021 | MGNI | S | 3,329 | $26.82 | $89,284 | 418,934 Direct | -0.79% | Disposed | -6.2% (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 7,212 | $5.46 | $39,378 | 393,882 Direct | +1.87% | Acquired | 360.6% (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 5,410 | $7.74 | $41,873 | 399,292 Direct | +1.37% | Acquired | 224.9% (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 22,971 | $3.95 | $90,735 | 422,263 Direct | +5.75% | Acquired | 536.7% (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 1,442 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 22,971 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 5,410 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 7,212 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 2,884 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 2,884 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 2,884 | $4.64 | $13,382 | 386,670 Direct | +0.75% | Acquired | 442.0% (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 2,884 | $4.64 | $13,382 | 383,786 Direct | +0.76% | Acquired | 442.0% (price as of 2026-10-05) |
| May 26, 2021 | MGNI | M | 1,442 | $3.96 | $5,710 | 380,902 Direct | +0.38% | Acquired | 535.1% (price as of 2026-10-05) |
| May 17, 2021 | MGNI | S | 12,438 | $25.98 | $323,139 | 379,460 Direct | -3.17% | Disposed | -3.2% (price as of 2026-10-05) |
| April 5, 2021 | MGNI | S | 27,896 | $40.26 | $1,123,093 | 391,898 Direct | -6.65% | Disposed | -37.5% (price as of 2026-10-05) |
| April 1, 2021 | MGNI | A | 17,726 | · | · | 17,726 Direct | · | Acquired | (price as of 2026-10-05) |
| April 1, 2021 | MGNI | S 10b5-1 | 55,363 | $44.11 | $2,442,062 | 419,794 Direct | -11.65% | Disposed | -43.0% (price as of 2026-10-05) |
| April 1, 2021 | MGNI | S 10b5-1 | 40,238 | $43.36 | $1,744,720 | 475,157 Direct | -7.81% | Disposed | -42.0% (price as of 2026-10-05) |
| April 1, 2021 | MGNI | A | 23,820 | · | · | 515,395 Direct | +4.85% | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2021 | MGNI | S | 30,138 | $56.13 | $1,691,646 | 491,575 Direct | -5.78% | Disposed | -55.2% (price as of 2026-10-05) |
| Jan. 25, 2021 | MGNI | M | 1,442 | $3.96 | $5,710 | 521,713 Direct | +0.28% | Acquired | 535.1% (price as of 2026-10-05) |
| Jan. 25, 2021 | MGNI | M | 1,442 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
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. 8, 2026 | MGNI | Employee Stock Option (Right to Buy) | Common Stock | $5.16 | Feb. 27, 2029 | 13,546 | Disposed |
| Aug. 6, 2026 | MGNI | Employee Stock Option (Right to Buy) | Common Stock | $5.16 | Feb. 27, 2029 | 20,000 | Disposed |
| Jan. 9, 2026 | MGNI | Performance Stock Units | Common Stock | · | · | 51,300 | Disposed |
| Jan. 1, 2026 | MGNI | Performance Stock Units | Common Stock | · | · | 42,757 | Acquired |
| June 30, 2025 | MGNI | Stock Option (Right to Buy) | Common Stock | $3.61 | Feb. 26, 2028 | 16,137 | Disposed |
| June 16, 2025 | MGNI | Stock Option (Right to Buy) | Common Stock | $3.61 | Feb. 26, 2028 | 20,000 | Disposed |
| June 5, 2025 | MGNI | Stock Option (Right to Buy) | Common Stock | $3.61 | Feb. 26, 2028 | 20,000 | Disposed |
| Jan. 9, 2025 | MGNI | Performance Stock Units | Common Stock | · | · | 41,566 | Acquired |
| Jan. 2, 2024 | MGNI | Performance Stock Units | Common Stock | · | · | 40,602 | Acquired |
| Jan. 1, 2023 | MGNI | Performance Stock Units | Common Stock | · | · | 40,602 | Acquired |
| Feb. 1, 2022 | MGNI | Employee Stock Option (right to buy) | Common Stock | $13.90 | Feb. 1, 2032 | 68,886 | Acquired |
| May 26, 2021 | MGNI | Stock Option (Right to Buy) | Common Stock | $3.96 | June 8, 2021 | 1,442 | Disposed |
| May 26, 2021 | MGNI | Stock Option (Right to Buy) | Common Stock | $3.95 | Dec. 5, 2023 | 22,971 | Disposed |
| May 26, 2021 | MGNI | Stock Option (Right to Buy) | Common Stock | $7.74 | July 31, 2023 | 5,410 | Disposed |
| May 26, 2021 | MGNI | Stock Option (Right to Buy) | Common Stock | $5.46 | March 5, 2023 | 7,212 | Disposed |
| May 26, 2021 | MGNI | Stock Option (Right to Buy) | Common Stock | $4.64 | July 19, 2022 | 2,884 | Disposed |
| May 26, 2021 | MGNI | Stock Option (Right to Buy) | Common Stock | $4.64 | July 26, 2022 | 2,884 | Disposed |
| April 1, 2021 | MGNI | Employee Stock Option (right to buy) | Common Stock | $42.80 | April 1, 2031 | 17,726 | Acquired |
| Jan. 25, 2021 | MGNI | Employee Stock Option (Right to Buy) | Common Stock | $3.96 | Feb. 2, 2021 | 1,442 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 11 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 25, 2020 | MGNI | Common Stock | 520,271 | Indirect |
| Sept. 25, 2020 | MGNI | Stock Option (Right to Buy) | 1,442 | Direct |
| Sept. 25, 2020 | MGNI | Stock Option (Right to Buy) | 1,442 | Direct |
| Sept. 25, 2020 | MGNI | Stock Option (Right to Buy) | 2,884 | Direct |
| Sept. 25, 2020 | MGNI | Stock Option (Right to Buy) | 2,884 | Direct |
| Sept. 25, 2020 | MGNI | Stock Option (Right to Buy) | 7,212 | Direct |
| Sept. 25, 2020 | MGNI | Stock Option (Right to Buy) | 5,410 | Direct |
| Sept. 25, 2020 | MGNI | Stock Option (Right to Buy) | 22,971 | Direct |
| Sept. 25, 2020 | MGNI | Stock Option (Right to Buy) | 56,137 | Direct |
| Sept. 25, 2020 | MGNI | Stock Option (Right to Buy) | 33,546 | Direct |
| Sept. 25, 2020 | MGNI | Stock Option (Right to Buy) | 69,470 | Direct |
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 | $600,000 | $21,240 | $2,902,469 | · | $581,040 | · | $10,635 | $4,115,384 |
| 2024 | $490,000 | · | $1,524,735 | · | $371,229 | · | $10,485 | $2,396,449 |
| 2023 | $490,000 | · | $1,745,371 | · | $285,170 | · | $10,035 | $2,530,576 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.