Canadian Solar Inc. (CSIQ)
Data as of , from SEC Form 4 filings.
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Leslie Li Hsien Chang - DirectorOpen-market sale$34K
Andrew Luen Cheung Wong - DirectorOpen-market sale$29K
About Canadian Solar Inc. (CSIQ)
Canadian Solar Inc. is an SEC registrant, filing under CIK 0001375877, classified as semiconductors and related devices. It is grouped with Information Technology companies on this site.
CSIQ Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Option exercise | 10 | 15,164 | |
| Tax withholding / forfeiture | 5 | 1,881 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
CSIQ insider transactions (Form 4)
6636 Form 4 filings on record, the earliest from Apr 6, 2026, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Lauren C. Templeton - Director | Option exercise | Common Stock | 1,203 | $0.00 | - | |
| Lauren C. Templeton - Director | Tax withholding / forfeiture | Common Stock | 5 | $11.54 | $58 | |
| Lauren C. Templeton - Director | Option exercise | Restricted Share Units | 1,203 | $0.00 | - | |
| Leslie Li Hsien Chang - Director | Option exercise | Common Stock | 1,203 | $0.00 | - | |
| Leslie Li Hsien Chang - Director | Tax withholding / forfeiture | Common Stock | 5 | $11.54 | $58 | |
| Leslie Li Hsien Chang - Director | Option exercise | Restricted Share Units | 1,203 | $0.00 | - | |
 Harry E. Ruda - Director | Option exercise | Common Stock | 1,203 | $0.00 | - | |
| Harry E. Ruda - Director | Tax withholding / forfeiture | Common Stock | 733 | $11.54 | $8K | |
| Harry E. Ruda - Director | Option exercise | Restricted Share Units | 1,203 | $0.00 | - | |
| Andrew Luen Cheung Wong - Director | Option exercise | Common Stock | 1,203 | $0.00 | - | |
| Andrew Luen Cheung Wong - Director | Tax withholding / forfeiture | Common Stock | 5 | $11.54 | $58 | |
| Andrew Luen Cheung Wong - Director | Option exercise | Restricted Share Units | 1,203 | $0.00 | - | |
| Yuan Qu - Director | Option exercise | Common Stock | 2,770 | $0.00 | - | |
| Yuan Qu - Director | Tax withholding / forfeiture | Common Stock | 1,133 | $11.54 | $13K | |
| Yuan Qu - Director | Option exercise | Restricted Share Units | 2,770 | $0.00 | - | |
| Andrew Luen Cheung Wong - Director | Grant or award | Restricted Share Units | 1,949 | $0.00 | - | |
| Harry E. Ruda - Director | Grant or award | Restricted Share Units | 1,949 | $0.00 | - | |
| Shawn Xiaohua Qu - Officer | Grant or award | Restricted Share Units | 18,892 | $0.00 | - | |
| Lauren C. Templeton - Director | Grant or award | Restricted Share Units | 1,949 | $0.00 | - | |
| Yu (Kang) Chen - Officer | Grant or award | Restricted Share Units | 9,446 | $0.00 | - | |
 Colin Parkin - Officer | Grant or award | Restricted Share Units | 18,892 | $0.00 | - | |
 Xinbo Zhu - Officer | Grant or award | Restricted Share Units | 12,594 | $0.00 | - | |
| Leslie Li Hsien Chang - Director | Grant or award | Restricted Share Units | 1,949 | $0.00 | - | |
 Pauline W. Wong - Officer | Grant or award | Restricted Share Units | 2,519 | $0.00 | - | |
| Andrew Luen Cheung Wong - Director | Option exercise | Common Stock | 809 | $0.00 | - | |
| Andrew Luen Cheung Wong - Director | Tax withholding / forfeiture | Common Stock | 4 | $15.69 | $63 | |
| Andrew Luen Cheung Wong - Director | Option exercise | Restricted Share Units | 809 | $0.00 | - | |
| Lauren C. Templeton - Director | Option exercise | Common Stock | 809 | $0.00 | - | |
| Lauren C. Templeton - Director | Tax withholding / forfeiture | Common Stock | 4 | $15.69 | $63 | |
| Lauren C. Templeton - Director | Option exercise | Restricted Share Units | 809 | $0.00 | - | |
| Harry E. Ruda - Director | Option exercise | Common Stock | 809 | $0.00 | - | |
| Harry E. Ruda - Director | Tax withholding / forfeiture | Common Stock | 493 | $15.69 | $8K | |
| Harry E. Ruda - Director | Option exercise | Restricted Share Units | 809 | $0.00 | - | |
| Leslie Li Hsien Chang - Director | Option exercise | Common Stock | 809 | $0.00 | - | |
| Leslie Li Hsien Chang - Director | Tax withholding / forfeiture | Common Stock | 4 | $15.69 | $63 | |
| Leslie Li Hsien Chang - Director | Option exercise | Restricted Share Units | 809 | $0.00 | - | |
| Dylan Marx - Officer | Option exercise | Common Stock | 1,660 | $0.00 | - | |
| Dylan Marx - Officer | Tax withholding / forfeiture | Common Stock | 983 | $19.45 | $19K | |
| Dylan Marx - Officer | Option exercise | Restricted Share Units | 1,660 | $0.00 | - | |
| Xinbo Zhu - Officer | Option exercise | Common Stock | 2,490 | $0.00 | - | |
| Xinbo Zhu - Officer | Tax withholding / forfeiture | Common Stock | 6 | $19.45 | $117 | |
| Xinbo Zhu - Officer | Option exercise | Restricted Share Units | 2,490 | $0.00 | - | |
| Leslie Li Hsien Chang - Director | Open-market sale | Common Stock | 1,767 | $19.45 | $34K | |
| Shawn Xiaohua Qu - Officer | Other | Stock Options (Right to Buy) | 7,512 | $0.00 | - | |
| Shawn Xiaohua Qu - Officer | Option exercise | Common Stock | 4,582 | $0.00 | - | |
| Shawn Xiaohua Qu - Officer | Tax withholding / forfeiture | Common Stock | 3 | $16.34 | $49 | |
| Shawn Xiaohua Qu - Officer | Option exercise | Restricted Share Units | 4,582 | $0.00 | - | |
| Xinbo Zhu - Officer | Option exercise | Common Stock | 3,054 | $0.00 | - | |
| Xinbo Zhu - Officer | Tax withholding / forfeiture | Common Stock | 3 | $16.34 | $49 | |
| Xinbo Zhu - Officer | Option exercise | Restricted Share Units | 3,054 | $0.00 | - | |
| Dylan Marx - Officer | Option exercise | Common Stock | 1,527 | $0.00 | - | |
| Dylan Marx - Officer | Tax withholding / forfeiture | Common Stock | 903 | $16.34 | $15K | |
| Dylan Marx - Officer | Option exercise | Restricted Share Units | 1,527 | $0.00 | - | |
| Andrew Luen Cheung Wong - Director | Open-market sale | Common Stock | 1,752 | $16.33 | $29K | |
| Yu (Kang) Chen - Officer | Option exercise | Common Stock | 2,711 | $0.00 | - | |
| Yu (Kang) Chen - Officer | Tax withholding / forfeiture | Common Stock | 898 | $19.83 | $18K | |
| Yu (Kang) Chen - Officer | Option exercise | Restricted Share Units | 2,711 | $0.00 | - | |
| Shawn Xiaohua Qu - Officer | Option exercise | Common Stock | 8,133 | $0.00 | - | |
| Shawn Xiaohua Qu - Officer | Tax withholding / forfeiture | Common Stock | 3 | $19.83 | $59 | |
| Shawn Xiaohua Qu - Officer | Option exercise | Restricted Share Units | 8,133 | $0.00 | - | |
| Dylan Marx - Officer | Option exercise | Common Stock | 2,717 | $0.00 | - | |
| Dylan Marx - Officer | Tax withholding / forfeiture | Common Stock | 1,604 | $19.83 | $32K | |
| Dylan Marx - Officer | Option exercise | Restricted Share Units | 2,717 | $0.00 | - | |
| Xinbo Zhu - Officer | Option exercise | Common Stock | 5,422 | $0.00 | - | |
| Xinbo Zhu - Officer | Tax withholding / forfeiture | Common Stock | 3 | $19.83 | $59 | |
| Xinbo Zhu - Officer | Option exercise | Restricted Share Units | 5,422 | $0.00 | - |
Recent CSIQ Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - |
CSIQ insider trading FAQ
What is the latest insider trade for CSIQ?
Canadian Solar Inc. (CSIQ) had 5 insider filings in the last 90 days, with the most recent on 2026-10-07. The full record for CSIQ runs to 36 Form 4 filings, the earliest from 2026-04-06. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying CSIQ stock?
No insider purchases of CSIQ were filed in the last 90 days.
How many insiders are selling CSIQ stock?
No insider sales of CSIQ were filed in the last 90 days. 2 sales are on record for this company.
Where can I see CSIQ SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects CSIQ Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Lauren C. Templeton view on EDGAR
- - Leslie Li Hsien Chang view on EDGAR
- - Harry E. Ruda view on EDGAR
- - Andrew Luen Cheung Wong view on EDGAR
- - Yuan Qu view on EDGAR
- - Andrew Luen Cheung Wong view on EDGAR
- - Harry E. Ruda view on EDGAR
- - Shawn Xiaohua Qu view on EDGAR
- - Lauren C. Templeton view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where CSIQ's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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