Insider · CIK 0002028403
Chi Ming Lam
Files at PMA (PMA Graphene Technology Group Inc.). First filing Sep 11, 2026, latest Sep 25, 2026.
Chi Ming Lam files SEC Form 4 as director and 10% owner at PMA (PMA Graphene Technology Group Inc.). Since Sep 11, 2026, Chi Ming Lam has reported 0 open-market buys worth $0 and 5 open-market sells worth $1.3M, the latest filed on Sep 25, 2026.
A track record needs three past buys with six months of prices behind them; Chi Ming Lam has 0, so none is measured yet.
The newest scored trade: sold $218k of PMA on Sep 24, 2026, filed Sep 25, 2026, scored 32 (weak). In the last 12 months: 0 buys worth $0 and 5 sells worth $1.3M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
PMA: PMA Graphene Technology Group Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 32Weak | PMAsell PMA Graphene Technology Group Inc. | $218k 167,865 shares | -10% | - | |
| 36Weak | PMAsell PMA Graphene Technology Group Inc. | $164k 126,000 shares | -40% | - | |
| 31Weak | PMAsell PMA Graphene Technology Group Inc. | $129k 99,114 shares | -24% | - | |
| 40Moderate | PMAsell PMA Graphene Technology Group Inc. | $344k 270,000 shares | -39% | - | |
| 41Moderate | PMAsell PMA Graphene Technology Group Inc. | $413k 320,000 shares | -32% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 21, 2025 | PMA Ming Shing Group Holdings Ltd | 3,408,975 26.27% of outstanding | $5.6M | Aug 21, 2025 | $630k |
| May 22, 2025 | PMA Ming Shing Group Holdings Ltd | 627,500 4.84% of outstanding | $2.7M | May 22, 2025 | none |
| Feb 3, 2025 | PMA Ming Shing Group Holdings Ltd | 500,000 3.85% of outstanding | $4.1M | Feb 3, 2025 | none |
Transactions
Every row this insider has filed, 12 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 24, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -120,000 | $1.30 | $156k | 1,479,751 | 18 d ago |
| Sep 25, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -47,865 | $1.30 | $62k | 1,431,886 | 18 d ago |
| Sep 22, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -120,000 | $1.30 | $156k | 198,751 | 20 d ago |
| Sep 23, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -6,000 | $1.30 | $7,805 | 192,751 | 20 d ago |
| Sep 15, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -99,114 | $1.30 | $129k | 318,751 | 28 d ago |
| Sep 9, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -150,000 | $1.25 | $188k | 537,865 | 32 d ago |
| Aug 13, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -100,000 | $1.10 | $110k | 907,865 | 32 d ago |
| Sep 11, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -120,000 | $1.30 | $156k | 417,865 | 32 d ago |
| Aug 14, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -100,000 | $1.37 | $137k | 807,865 | 32 d ago |
| Aug 17, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -15,000 | $1.75 | $26k | 792,865 | 32 d ago |
| Aug 18, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -5,000 | $1.62 | $8,116 | 787,865 | 32 d ago |
| Aug 21, 2026 | PMA PMA Graphene Technology Group Inc. | SOpen-market sale Class A Ordinary Sharesindirect: Held in individual account with broker | -100,000 | $1.32 | $132k | 687,865 | 32 d ago |
Questions about Chi Ming Lam
Answered from the filings on this page, as of the latest one.
Is Chi Ming Lam buying or selling?
In the last 12 months Chi Ming Lam reported 0 open-market buys worth $0 and 5 open-market sells worth $1.3M on SEC Form 4; the latest was sold $218k of PMA on Sep 24, 2026. Grants, option exercises and tax withholding are not counted.
How did Chi Ming Lam's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Chi Ming Lam has 0.
Where does Chi Ming Lam file Form 4?
Chi Ming Lam has filed Form 4 at PMA (PMA Graphene Technology Group Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.