David Christopher Ryan
CIK 1725101 · View on SEC EDGAR ↗
First SEC filing: Nov. 25, 2020 · Latest: Nov. 25, 2020
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Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 6, 2026 | MGRD | S | 3,402 | $305.06 | $1,037,814 | 1,092 Direct | -75.70% | Disposed | -95.2% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| March 5, 2026 | MGRD | Stock Units | Common Stock (335) | — | — | 335 | Acquired |
| March 5, 2026 | MGRD | Stock Units | Common Stock (867) | — | — | 867 | Disposed |
| Aug. 15, 2025 | MGRD | Stock Units | Common Stock (1,092) | — | — | 1,092 | Disposed |
| Aug. 14, 2025 | MGRD | Deferred Stock Units | Common Stock (307) | — | — | 307 | Acquired |
| July 31, 2025 | MGRD | Restricted Stock Units | Common Stock (477) | — | — | 477 | Acquired |
| March 5, 2025 | MGRD | Stock Units | Common Stock (956) | — | — | 956 | Disposed |
| Feb. 6, 2025 | MGRD | Deferred Stock Units | Common Stock (367) | — | — | 367 | Acquired |
| Feb. 6, 2025 | MGRD | Restricted Stock Units | Common Stock (548) | — | — | 548 | Acquired |
| Aug. 15, 2024 | MGRD | Stock Units | Common Stock (545) | — | — | 545 | Disposed |
| July 29, 2024 | MGRD | Deferred Stock Units | Common Stock (380) | — | — | 380 | Acquired |
| July 29, 2024 | MGRD | Restricted Stock Units | Common Stock (544) | — | — | 544 | Acquired |
| March 5, 2024 | MGRD | Stock Units | Common Stock (317) | — | — | 317 | Disposed |
| Feb. 5, 2024 | MGRD | Restricted Stock Units | Common Stock (638) | — | — | 638 | Acquired |
| Feb. 5, 2024 | MGRD | Deferred Stock Units | Common Stock (318) | — | — | 318 | Acquired |
| Aug. 15, 2023 | MGRD | Stock Units | Common Stock (370) | — | — | 370 | Disposed |
| July 26, 2023 | MGRD | Deferred Stock Units | Common Stock (353) | — | — | 353 | Acquired |
| July 26, 2023 | MGRD | Restricted Stock Units | Common Stock (707) | — | — | 707 | Acquired |
| March 5, 2023 | MGRD | Stock Units | Common Stock (171) | — | — | 171 | Disposed |
| Feb. 6, 2023 | MGRD | Deferred Stock Units | Common Stock (293) | — | — | 293 | Acquired |
| Feb. 6, 2023 | MGRD | Restricted Stock Units | Common Stock (587) | — | — | 587 | Acquired |
| Nov. 18, 2022 | GRND | Class B ordinary shares [F2] | Common Stock (20,000) | — | — | 20,000 | Disposed |
| Aug. 15, 2022 | MGRD | Stock Units | Common Stock (176) | — | — | 176 | Disposed |
| Aug. 1, 2022 | MGRD | Restricted Stock Units | Common Stock (773) | — | — | 773 | Acquired |
| Aug. 1, 2022 | MGRD | Deferred Stock Units | Common Stock (386) | — | — | 386 | Acquired |
| Feb. 7, 2022 | MGRD | Deferred Stock Units | Common Stock (273) | — | — | 273 | Acquired |
| Feb. 7, 2022 | MGRD | Restricted Stock Units | Common Stock (685) | — | — | 685 | Acquired |
| July 28, 2021 | MGRD | Director Stock Option (Right to Buy) | Common Stock (559) | $155.83 | July 28, 2028 | 559 | Acquired |
| July 28, 2021 | MGRD | Stock Units | Common Stock (707) | — | — | 707 | 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 |
|---|---|---|---|---|
| Nov. 25, 2020 | GRND | Class B Ordinary Shares→ Class A Ordinary Shares (20,000) | 20,000 | Direct |