Latest filingSep 11, 2026Most recent Form 4
PMA
PMA Graphene Technology Group Inc.
Insider activity for last month from 08/11 to 09/11. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$75.7M7 sells
Net open-market-$75.7M1 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period7transactions
- S · Open-market sells · dominant7 · 100%
Activity by reported role
A joint filing can contribute to multiple roles7transactions
- Director · dominant7 · 100%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (1)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeLam Chi MingClass A Ordinary Shares · Indirect · Held in individual account with broker
417,865Sep 11, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 11 → Sep 11
LessMore
Top insiders
By absolute net value across the selected period- LM-$757.1k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
No filing-only signal badges matched this period.
PMA transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| PMA | Lam Chi Ming | DIR | sale | 120k | -$15.6M | S | — | — | 09/11 | 09/11 |
| PMA | Lam Chi Ming | DIR | sale | 150k | -$18.7M | S | — | — | 09/11 | 09/09 |
| PMA | Lam Chi Ming | DIR | sale | 100k | -$13.1M | S | — | — | 09/11 | 08/21 |
| PMA | Lam Chi Ming | DIR | sale | 5.00k | -$811k | S | — | — | 09/11 | 08/18 |
| PMA | Lam Chi Ming | DIR | sale | 15.0k | -$2.61M | S | — | — | 09/11 | 08/17 |
| PMA | Lam Chi Ming | DIR | sale | 100k | -$13.6M | S | — | — | 09/11 | 08/14 |
| PMA | Lam Chi Ming | DIR | sale | 100k | -$11.0M | S | — | — | 09/11 | 08/13 |
PMA Graphene Technology Group Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at PMA Graphene Technology Group Inc.?
Lam Chi Ming.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Lam Chi Ming reported a sale on Sep 11, 2026 valued at $15.6M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $757,122.00. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.