Robert J Frankenberg
First SEC filing: April 11, 2014 · Latest: April 11, 2014
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 14, 2023 | MGNI | A | 13,743 | · | · | 119,090 Direct | +13.05% | Acquired | (price as of 2026-10-02) |
| June 7, 2022 | MGNI | A | 16,489 | · | · | 105,347 Direct | +18.56% | Acquired | (price as of 2026-10-02) |
| June 28, 2021 | MGNI | A | 3,936 | · | · | 88,858 Direct | +4.63% | Acquired | (price as of 2026-10-02) |
| July 8, 2020 | MGNI | A | 18,436 | · | · | 84,922 Direct | +27.73% | Acquired | (price as of 2026-10-02) |
| May 15, 2019 | MGNI | A | 19,562 | · | · | 66,486 Direct | +41.69% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2018 | MGNI | A | 7,292 | · | · | 46,924 Direct | +18.40% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2018 | MGNI | A | 9,429 | · | · | 9,429 Direct | · | Acquired | (price as of 2026-10-02) |
| May 23, 2017 | MGNI | A | 7,292 | · | · | 39,632 Direct | +22.55% | Acquired | (price as of 2026-10-02) |
| May 23, 2017 | MGNI | A | 10,363 | · | · | 10,363 Direct | · | Acquired | (price as of 2026-10-02) |
| May 26, 2016 | MGNI | A | 6,171 | · | · | 32,340 Direct | +23.58% | Acquired | (price as of 2026-10-02) |
| May 26, 2016 | MGNI | A | 12,557 | · | · | 12,557 Direct | · | Acquired | (price as of 2026-10-02) |
| May 13, 2015 | MGNI | A | 11,759 | · | · | 11,759 Direct | · | Acquired | (price as of 2026-10-02) |
| May 13, 2015 | MGNI | A | 4,886 | · | · | 26,169 Direct | +22.96% | Acquired | (price as of 2026-10-02) |
| April 7, 2014 | MGNI | J | 13,208 | · | · | 13,208 Direct | · | Acquired | (price as of 2026-10-02) |
| April 7, 2014 | MGNI | J | 13,208 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 7, 2014 | MGNI | J | 29,184 | · | · | 29,184 Direct | · | Acquired | (price as of 2026-10-02) |
| April 7, 2014 | MGNI | J | 29,184 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 7, 2014 | MGNI | J | 21,283 | · | · | 21,283 Direct | · | Acquired | (price as of 2026-10-02) |
| April 7, 2014 | MGNI | J | 21,283 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 1, 2014 | MGNI | A | 13,208 | · | · | 13,208 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2014 | MGNI | A | 29,184 | · | · | 29,184 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2014 | MGNI | A | 6,283 | · | · | 21,283 Direct | +41.89% | Acquired | (price as of 2026-10-02) |
| April 1, 2014 | MGNI | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 15, 2018 | MGNI | Stock Option (right to buy) | Common Stock | $3.81 | Aug. 15, 2028 | 9,429 | Acquired |
| May 23, 2017 | MGNI | Stock Option (right to buy) | Common Stock | $5.17 | May 23, 2027 | 10,363 | Acquired |
| May 26, 2016 | MGNI | Stock Option (right to buy) | Common Stock | $14.18 | May 26, 2026 | 12,557 | Acquired |
| May 13, 2015 | MGNI | Stock Option (right to buy) | Common Stock | $17.91 | May 13, 2025 | 11,759 | Acquired |
| April 7, 2014 | MGNI | Stock Option (Right to Buy) | Common Stock | $15.00 | April 1, 2024 | 13,208 | Acquired |
| April 7, 2014 | MGNI | Stock Option (Right to Buy) | Class A Common Stock | $15.00 | April 1, 2024 | 13,208 | Disposed |
| April 7, 2014 | MGNI | Stock Option (Right to Buy) | Common Stock | $15.00 | April 1, 2024 | 29,184 | Acquired |
| April 7, 2014 | MGNI | Stock Option (Right to Buy) | Class A Common Stock | $15.00 | April 1, 2024 | 29,184 | Disposed |
| April 1, 2014 | MGNI | Stock Option (Right to Buy) | Class A Common Stock | $15.00 | April 1, 2024 | 13,208 | Acquired |
| April 1, 2014 | MGNI | Stock Option (Right to Buy) | Class A Common Stock | $15.00 | April 1, 2024 | 29,184 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 11, 2014 | MGNI | Common Stock | 0 | Direct |