Shuo Zhang
CIK 1805694 · View on SEC EDGAR ↗
Insider
First SEC filing: March 16, 2020 · Latest: March 16, 2020
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-29,250
+ 13 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
13 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 15, 2025 | GDYN | S | 3,000 | $9.75 | $29,250 | 92,515 Direct | -3.14% | Disposed | -18.4% (price as of 2026-08-20) |
| June 3, 2024 | GDYN | S | 4,000 | $9.34 | $37,360 | 22,015 Direct | -15.38% | Disposed | -14.8% (price as of 2026-08-20) |
| Nov. 29, 2021 | GDYN | S | 7,000 | $39.38 | $275,660 | 11,595 Direct | -37.64% | Disposed | -79.8% (price as of 2026-08-20) |
| Sept. 8, 2021 | GDYN | S | 10,000 | $31.63 | $316,300 | 18,193 Direct | -35.47% | Disposed | -74.8% (price as of 2026-08-20) |
| Aug. 12, 2020 | GDYN | P | 10,395 | $7.61 | $79,106 | 12,399 Direct | +518.71% | Acquired | 4.5% (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.
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 16, 2020 | GDYN | Common Stock | 139,655 | Indirect |
| March 16, 2020 | GDYN | Stock Option (right to buy)→ Common Stock (50,517) | 50,517 | Direct |
| March 16, 2020 | GDYN | Stock Option (right to buy)→ Common Stock (9,303) | 9,303 | Direct |
| March 16, 2020 | GDYN | Stock Option (right to buy)→ Common Stock (3,713) | 3,713 | Direct |