Yingli Ma
CIK 1963664 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 2, 2023 · Latest: Feb. 2, 2023
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 8 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 |
|---|---|---|---|---|---|---|---|---|---|
| July 1, 2025 | GPCR | F | 4,470 | $6.84 | $30,575 | 118,704 Direct | -3.63% | Disposed | 600.6% (price as of 2026-08-24) |
| July 1, 2025 | GPCR | A | 24,459 | — | — | 123,174 Direct | +24.78% | Acquired | (price as of 2026-08-24) |
| March 15, 2025 | GPCR | A | 63,810 | — | — | 100,539 Direct | +173.73% | Acquired | (price as of 2026-08-24) |
| March 15, 2025 | GPCR | A | 155,040 | — | — | 155,040 Direct | — | Acquired | (price as of 2026-08-24) |
| March 1, 2025 | GPCR | F | 1,824 | $7.92 | $14,446 | 98,715 Direct | -1.81% | Disposed | 505.1% (price as of 2026-08-24) |
| March 15, 2024 | GPCR | A | 91,494 | — | — | 91,494 Direct | — | Acquired | (price as of 2026-08-24) |
| March 15, 2024 | GPCR | A | 36,729 | — | — | 36,729 Direct | — | Acquired | (price as of 2026-08-24) |
| March 15, 2024 | GPCR | A | 91,494 | — | — | 91,494 Direct | — | Acquired | (price as of 2026-08-24) |
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 15, 2025 | GPCR | Employee Stock Option (right to buy) | Ordinary Shares [F1] (155,040) | — | March 15, 2035 | 155,040 | Acquired |
| March 15, 2024 | GPCR | Stock Option (right to buy) | Ordinary Shares [F3] (91,494) | — | March 14, 2034 | 91,494 | Acquired |
| March 15, 2024 | GPCR | Stock Option (right to buy) | Ordinary Shares (91,494) | $35.25 | March 14, 2034 | 91,494 | 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 |
|---|---|---|---|---|
| Feb. 2, 2023 | GPCR | Stock option (right to buy)→ Ordinary Shares (400,000) | 400,000 | Direct |