SEC Form 4
Canadian Solar Inc. Common Shares (ON) (CSIQ) insider trading
In the 12 months to Oct 26, 2026, 2 CSIQ insiders reported open-market sales of $63.0K across 2 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $63.0K
- 2 filings · 2 insiders
- Open-market purchases
- $0
- 0 filings
Who traded CSIQ, and when
- Sale
CSIQ daily close from Oct 27, 2025 to Oct 26, 2026, between $8.93 and $33.58, last $8.93. 2 sale and 0 purchase filings by 2 insiders, marked at their filing dates. Leslie Li Hsien Chang, Director: sold $34.4K across 1 filing, first filed May 28, 2026, last May 28, 2026. Andrew Luen Cheung Wong, Director: sold $28.6K across 1 filing, first filed May 21, 2026, last May 21, 2026.
Largest mark · tap a row for others
Leslie Li Hsien Chang · Director
Sale $34,371
1,767 shares at $19.45 avg
Filed May 28, 2026 · traded May 26
Close on filing date $20.26
Leslie Li Hsien Chang · Director
Director
$34.4K soldAndrew Luen Cheung Wong · Director
Director
$28.6K soldOpen-market trades
2 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Leslie Li Hsien Chang | Director | $34.4K | — | 1 | — | |
| Andrew Luen Cheung Wong | Director | $28.6K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Leslie Li Hsien Chang Director | Sale | 1,767 | $19.45 | $34.4K | 0 | |
traded | Andrew Luen Cheung Wong Director | Sale | 1,752 | $16.33 | $28.6K | 0 |
GET /stocks/filings/vX/form-4?tickers=CSIQ&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"CSIQ"
],
"issuer_cik": "0001375877",
"owner_cik": "0001978722",
"accession_number": "0001104659-26-067150",
"form_type": "4",
"filing_date": "2026-05-28",
"period_of_report": "2026-05-26",
"issuer_name": "Canadian Solar Inc.",
"issuer_trading_symbol": "CSIQ",
"owner_name": "Chang Leslie Li Hsien",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-05-26",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 1767,
"transaction_price_per_share": 19.4516,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 0,
"transaction_value": 34370.9772,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The shares of common stock were sold pursuant to Rule 144 under the Securities Act of 1933, as amended."
}
]
},
{
"tickers": [
"CSIQ"
],
"issuer_cik": "0001375877",
"owner_cik": "0001979240",
"accession_number": "0001104659-26-065134",
"form_type": "4",
"filing_date": "2026-05-21",
"period_of_report": "2026-05-19",
"issuer_name": "Canadian Solar Inc.",
"issuer_trading_symbol": "CSIQ",
"owner_name": "Wong Andrew Luen Cheung",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-05-19",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 1752,
"transaction_price_per_share": 16.3343,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 0,
"transaction_value": 28617.6936,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The shares of common stock were sold pursuant to Rule 144 under the Securities Act of 1933, as amended."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 47 records
- Option exercises24 records
- Tax withholding23 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Canadian Solar Inc. Common Shares (ON)'s CEO sold stock?
No. Colin Parkin (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is CSIQ’s insider data?
These are CSIQ Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
Build with AI
Track CSIQ insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for CSIQ every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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