On this page
Michael Rudolph
Insider
First SEC filing: Dec. 17, 2020 · Latest: Dec. 17, 2020
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 15, 2020 | MARA | S | 3,000 | $6.40 | $19,200 | 5,146 Direct | -36.83% | Disposed | 75.5% (price as of 2026-10-02) |
| Nov. 30, 2020 | MARA | S | 3,000 | $6.15 | $18,450 | 8,146 Direct | -26.92% | Disposed | 82.6% (price as of 2026-10-02) |
| Nov. 30, 2020 | MARA | S | 9,000 | $6.09 | $54,810 | 11,146 Direct | -44.67% | Disposed | 84.4% (price as of 2026-10-02) |
| Sept. 30, 2020 | MARA | C | 10,121 | $1.96 | $19,837 | 20,146 Direct | +100.96% | Acquired | 473.0% (price as of 2026-10-02) |
| Sept. 30, 2020 | MARA | D | 15,625 | $1.96 | $30,625 | 31,250 Direct | -33.33% | Disposed | 473.0% (price as of 2026-10-02) |
| June 30, 2020 | MARA | C | 10,025 | $0.91 | $9,123 | 10,025 Direct | · | Acquired | 1134.1% (price as of 2026-10-02) |
| June 30, 2020 | MARA | D | 15,625 | $0.91 | $14,219 | 46,875 Direct | -25.00% | Disposed | 1134.1% (price as of 2026-10-02) |
| May 4, 2020 | MARA | D | 50,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 4, 2020 | MARA | A | 62,500 | · | · | 62,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 12, 2019 | MARA | A | 50,000 | · | · | 100,000 Direct | +100.00% | Acquired | (price as of 2026-10-02) |
| Oct. 12, 2018 | MARA | A | 50,000 | · | · | 50,000 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 |
|---|---|---|---|---|---|---|---|
| Sept. 30, 2020 | MARA | RSUs | Common | $0.00 | May 4, 2021 | 15,625 | Disposed |
| June 30, 2020 | MARA | RSUs | Common | $0.00 | May 4, 2021 | 15,625 | Disposed |
| May 4, 2020 | MARA | Employee Stock Option (right to buy) | Common | $2.04 | Aug. 12, 2024 | 50,000 | Disposed |
| May 4, 2020 | MARA | RSUs | Common | $0.00 | May 4, 2021 | 62,500 | Acquired |
| Aug. 12, 2019 | MARA | Employee Stock Option (right to buy) | Common | $2.04 | Aug. 12, 2024 | 50,000 | Acquired |
| Oct. 12, 2018 | MARA | Employee Stock Option (right to buy) | Common | $0.58 | Oct. 12, 2028 | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).