Richard Giroux
CIK 1742734 · View on SEC EDGAR ↗
First SEC filing: June 8, 2018 · Latest: Jan. 10, 2023
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 21, 2026 | MGTX | S 10b5-1 | 56,000 | $12.51 | $700,560 | 908,530 Direct | -5.81% | Disposed | 17.5% (price as of 2026-08-20) |
| Oct. 20, 2021 | MGTX | S 10b5-1 | 6,956 | $21.28 | $148,024 | 819,218 Direct | -0.84% | Disposed | -30.9% (price as of 2026-08-20) |
| Oct. 20, 2021 | MGTX | S 10b5-1 | 13,744 | $20.93 | $287,662 | 826,174 Direct | -1.64% | Disposed | -29.8% (price as of 2026-08-20) |
| Oct. 19, 2021 | MGTX | S 10b5-1 | 1,300 | $20.07 | $26,091 | 839,918 Direct | -0.15% | Disposed | -26.8% (price as of 2026-08-20) |
| Dec. 17, 2020 | MGTX | S 10b5-1 | 18,000 | $16.00 | $288,000 | 846,518 Direct | -2.08% | Disposed | -8.2% (price as of 2026-08-20) |
| May 21, 2020 | MGTX | S 10b5-1 | 11,786 | $15.16 | $178,676 | 1,064,518 Direct | -1.10% | Disposed | -3.1% (price as of 2026-08-20) |
| May 20, 2020 | MGTX | S 10b5-1 | 6,143 | $15.03 | $92,329 | 1,076,304 Direct | -0.57% | Disposed | -2.2% (price as of 2026-08-20) |
| May 13, 2020 | MGTX | S 10b5-1 | 71 | $15.38 | $1,092 | 1,082,447 Direct | -0.01% | Disposed | -4.5% (price as of 2026-08-20) |
| Jan. 22, 2020 | MGTX | S 10b5-1 | 9,000 | $19.34 | $174,060 | 1,167,868 Direct | -0.76% | Disposed | -24.0% (price as of 2026-08-20) |
| Jan. 21, 2020 | MGTX | S 10b5-1 | 502 | $20.32 | $10,201 | 1,176,868 Direct | -0.04% | Disposed | -27.7% (price as of 2026-08-20) |
| Jan. 21, 2020 | MGTX | S 10b5-1 | 8,498 | $19.51 | $165,796 | 1,177,370 Direct | -0.72% | Disposed | -24.7% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| June 25, 2026 | MGTX | Restricted Share Units | Ordinary Shares (980,000) | — | — | 980,000 | Acquired |
| Jan. 17, 2024 | MGTX | Restricted Share Units | Ordinary Shares (620,000) | — | — | 620,000 | Acquired |
| Jan. 14, 2024 | MGTX | Restricted Share Units | Ordinary Shares (25,000) | — | — | 25,000 | Disposed |
| Jan. 8, 2024 | MGTX | Restricted Share Units | Ordinary Shares (37,500) | — | — | 37,500 | Disposed |
| Jan. 7, 2024 | MGTX | Restricted Share Units | Ordinary Shares (105,000) | — | — | 105,000 | Disposed |
| Feb. 21, 2023 | MGTX | Stock Option (Right to Buy) | Ordinary Shares (135,000) | $8.60 | Feb. 21, 2033 | 135,000 | Acquired |
| Feb. 21, 2023 | MGTX | Restricted Share Units | Ordinary Shares (240,000) | — | — | 240,000 | Acquired |
| Jan. 14, 2023 | MGTX | Restricted Share Units | Ordinary Shares (50,000) | — | — | 50,000 | Disposed |
| Jan. 8, 2023 | MGTX | Restricted Share Units | Ordinary Shares (37,500) | — | — | 37,500 | Disposed |
| Jan. 8, 2022 | MGTX | Restricted Share Units | Ordinary Shares (75,000) | — | — | 75,000 | Disposed |
| Jan. 7, 2022 | MGTX | Restricted Share Units | Ordinary Shares (210,000) | — | — | 210,000 | Acquired |
| Jan. 14, 2021 | MGTX | Stock Option (Right to Buy) | Ordinary Shares (40,000) | $16.43 | Jan. 13, 2031 | 40,000 | Acquired |
| Jan. 14, 2021 | MGTX | Restricted Share Units | Ordinary Shares (100,000) | — | — | 100,000 | Acquired |
| Jan. 8, 2020 | MGTX | Restricted Share Units | Ordinary Shares (150,000) | — | — | 150,000 | Acquired |
| Dec. 29, 2018 | MGTX | Stock Option | Ordinary Shares (105,000) | $9.64 | Dec. 29, 2028 | 105,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 8, 2018 | MGTX | Ordinary Shares | 1,186,868 | Direct |
| June 8, 2018 | MGTX | Ordinary Shares | 5,152 | Indirect |
| June 8, 2018 | MGTX | Stock Options→ Ordinary Shares (48,956) | 48,956 | Direct |
| June 8, 2018 | MGTX | Stock Options→ Ordinary Shares (77,299) | 77,299 | Direct |
| June 8, 2018 | MGTX | Stock Option→ Ordinary Shares (96,624) | 96,624 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2021 | $495,000 | $1,880,000 | — | — | — | — | — | $4,520,600 |
| 2020 | $514,038 | $1,440,000 | — | — | — | — | $1,836,631 | $6,835,669 |
| 2019 | $495,000 | $2,245,000 | — | — | — | — | $4,725,463 | $7,465,463 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.