Debra Yu
CIK 1869480 · View on SEC EDGAR ↗
Insider
First SEC filing: March 23, 2026 · Latest: June 15, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 2 non-open-market transactions below
last 12 months, based on the transactions shown below
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 11, 2026 | MGTX | A | 60,000 | — | — | 60,000 Direct | — | Acquired | (price as of 2026-08-20) |
| April 25, 2022 | MGTX | A | 50,000 | — | — | 50,000 Direct | — | Acquired | (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 11, 2026 | MGTX | Restricted Share Units | Ordinary Shares (60,000) | — | — | 60,000 | Acquired |
| April 25, 2022 | MGTX | Stock Option (Right to Buy) | Ordinary Shares (50,000) | $12.85 | April 25, 2032 | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 23, 2026 | AAPG | Options→ Ordinary Shares | — | Direct |
| March 23, 2026 | AAPG | Restricted share units→ Ordinary Shares | — | Direct |
| March 19, 2026 | AAPG | Options→ Ordinary Shares (53,895) | 53,895 | Direct |
| March 19, 2026 | AAPG | Restricted stock units→ Ordinary Shares (63,895) | 63,895 | Direct |