Hong Du
Insider
First SEC filing: March 13, 2026 · Latest: March 13, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 17, 2026 | WB | F | 3,105 | $7.67 | $23,815 | 107,870 Direct | -2.80% | Disposed | -17.5% (price as of 2026-10-02) |
| Aug. 16, 2026 | WB | M | 6,250 | · | · | 110,975 Direct | +5.97% | Acquired | (price as of 2026-10-02) |
| Aug. 16, 2026 | WB | C | 6,250 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 24, 2026 | PLTK | A | 67,114 | · | · | 174,426 Direct | +62.54% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2025 | PLTK | A | 35,274 | · | · | 107,312 Direct | +48.97% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2024 | PLTK | A | 31,776 | · | · | 72,038 Direct | +78.92% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2023 | PLTK | A | 25,000 | · | · | 40,262 Direct | +163.81% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2022 | PLTK | A | 15,262 | · | · | 15,262 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 16, 2026 | WB | Restricted Share | Class A Ordinary Share | $0.00 | · | 6,250 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 13, 2026 | WB | ADS [F1] | 104,725 | Direct |
| March 13, 2026 | WB | ADS [F1] | 827,986 | Indirect |
| March 13, 2026 | WB | Class A Ordinary Shares | 7,015 | Direct |
| March 13, 2026 | WB | Restricted Share | 6,250 | Direct |
| March 13, 2026 | WB | Restricted Share | 6,250 | Direct |
| March 13, 2026 | WB | Restricted Share | 6,250 | Direct |
| March 13, 2026 | WB | Restricted Share | 6,250 | Direct |
| March 13, 2026 | WB | Restricted Share | 6,250 | Direct |
| March 13, 2026 | WB | Restricted Share | 6,250 | Direct |
| March 13, 2026 | WB | Restricted Share | 6,150 | Direct |