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SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•11 filings

CDTG

CDT Environmental Technology Investment Holdings Ltd

Net sales of $2.8K over the last 3 months

1 seller account for the net balance. There is no cluster of three distinct buyers within 30 days. We found no CEO/CFO purchases over 12 months.

How to read this signal

Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.

JSON example

3-month balance

−$2,791

0 buyers · 1 sellers

12-month purchases

$0.00

0 distinct insiders

12-month sales

$2,791

1 distinct insiders

Highlighted alerts

1

0 Rule 10b5-1 trades treated as informational

Buying cluster · 30 days

Fewer than three distinct buyers

CEO/CFO purchases · 12 months

No executive purchases found

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Form 4 raw → Raspberry

The value is in what we do not call a signal.

The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.

1
Raw transactions
Everything returned by the filing
1
Voluntary view
P/S trades after deterministic checks
0
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
Code
S
Shares
2,052
Price
$1.36
Footnotes
2

Resulting from a short sale. We will provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

Raspberry interpretation
Eligible voluntary-market alert

Reason: voluntary_market_trade.

Verify in SEC EDGAR

Recent transactions

Voluntary purchases and sales; administrative noise stays hidden.

1 transactions

HRT FINANCIAL LP

10% owner

SaleAlert
Shares
2,052
Price
$1.36
Value
$2,791
Open SEC filing

“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.