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Yunhao Chen
Insider
First SEC filing: Dec. 5, 2024 · Latest: Dec. 5, 2024
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 29, 2025 | MAMO | A | 25,000 | · | · | 133,334 Direct | +23.08% | Acquired | (price as of 2026-10-02) |
| Dec. 2, 2024 | MAMO | A | 27,778 | · | · | 108,334 Direct | +34.48% | Acquired | (price as of 2026-10-02) |
| Nov. 22, 2024 | MAMO | A | 25,000 | · | · | 80,556 Direct | +45.00% | Acquired | (price as of 2026-10-02) |
| Oct. 2, 2024 | MAMO | A | 55,556 | · | · | 55,556 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.