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James Rossman
Insider
First SEC filing: June 10, 2026 · Latest: June 10, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 8, 2026 | MGNI | A | 13,798 | · | · | 107,477 Direct | +14.73% | Acquired | (price as of 2026-10-05) |
| June 18, 2025 | MGNI | S 10b5-1 | 137,007 | $18.78 | $2,572,991 | 93,679 Direct | -59.39% | Disposed | 32.9% (price as of 2026-10-05) |
| June 5, 2025 | MGNI | A | 10,766 | · | · | 230,686 Direct | +4.90% | Acquired | (price as of 2026-10-05) |
| Feb. 7, 2025 | MGNI | S 10b5-1 | 149,936 | $19.46 | $2,917,755 | 219,920 Direct | -40.54% | Disposed | 28.3% (price as of 2026-10-05) |
| June 12, 2024 | MGNI | A | 14,061 | · | · | 369,856 Direct | +3.95% | Acquired | (price as of 2026-10-05) |
| June 14, 2023 | MGNI | A | 13,743 | · | · | 355,795 Direct | +4.02% | Acquired | (price as of 2026-10-05) |
| June 7, 2022 | MGNI | A | 16,489 | · | · | 342,052 Direct | +5.06% | Acquired | (price as of 2026-10-05) |
| Nov. 4, 2021 | MGNI | M | 36,066 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 4, 2021 | MGNI | M | 36,066 | $4.64 | $167,346 | 325,563 Direct | +12.46% | Acquired | 437.9% (price as of 2026-10-05) |
| June 28, 2021 | MGNI | A | 3,936 | · | · | 289,497 Direct | +1.38% | Acquired | (price as of 2026-10-05) |
| April 5, 2021 | MGNI | S 10b5-1 | 451 | $43.50 | $19,618 | 285,561 Direct | -0.16% | Disposed | -42.6% (price as of 2026-10-05) |
| April 5, 2021 | MGNI | S 10b5-1 | 2,630 | $42.55 | $111,906 | 286,012 Direct | -0.91% | Disposed | -41.3% (price as of 2026-10-05) |
| April 5, 2021 | MGNI | S 10b5-1 | 3,562 | $41.70 | $148,535 | 288,642 Direct | -1.22% | Disposed | -40.1% (price as of 2026-10-05) |
| April 5, 2021 | MGNI | S 10b5-1 | 18,357 | $40.19 | $737,768 | 292,204 Direct | -5.91% | Disposed | -37.9% (price as of 2026-10-05) |
| July 28, 2020 | MGNI | M | 112,087 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| July 28, 2020 | MGNI | M | 112,087 | $3.96 | $443,865 | 310,561 Direct | +56.47% | Acquired | 530.3% (price as of 2026-10-05) |
| July 8, 2020 | MGNI | A | 18,436 | · | · | 198,474 Direct | +10.24% | Acquired | (price as of 2026-10-05) |
| April 1, 2020 | MGNI | A | 36,066 | · | · | 36,066 Direct | · | Acquired | (price as of 2026-10-05) |
| April 1, 2020 | MGNI | A | 112,087 | · | · | 112,087 Direct | · | Acquired | (price as of 2026-10-05) |
| April 1, 2020 | MGNI | A | 180,038 | · | · | 180,038 Direct | · | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Nov. 4, 2021 | MGNI | Stock Option (Right to Buy) | Common Stock | $4.64 | Aug. 6, 2022 | 36,066 | Disposed |
| July 28, 2020 | MGNI | Stock Option (Right to Buy) | Common Stock | $3.96 | Jan. 19, 2021 | 112,087 | Disposed |
| April 1, 2020 | MGNI | Stock Option (Right to Buy) | Common Stock | $4.64 | Aug. 6, 2022 | 36,066 | Acquired |
| April 1, 2020 | MGNI | Stock Option (Right to Buy) | Common Stock | $3.96 | Jan. 19, 2021 | 112,087 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).