Nasdaq · CIK 0001375877
CSIQ Canadian Solar Inc.
Insider trading from SEC Form 4. Last filing 6 d ago.
Canadian Solar Inc. (CSIQ) has 24 SEC Form 4 filings on file from 10 insiders, the latest filed on Oct 7, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
2 open-market trades have been scored at CSIQ. The newest: Leslie Li Hsien Chang (director) sold $34k of stock on May 26, 2026, filed May 28, 2026, scored 49 (moderate). 2 insiders sold within 14 days of each other around May 26, 2026.
9 Form 144 notices of planned sales are on file, the latest filed Nov 20, 2025.
Last 90 days
Signals
Open-market buys and sells at Canadian Solar Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 49Moderate | Leslie Li Hsien Chang director sell | $34k 1,767 shares | -100% | - | |
| 48Moderate | Andrew Luen Cheung Wong director sell | $29k 1,752 shares | -100% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Nov 20, 2025 | Chang Leslie Li Hsien Director, Independent Director | 2,200 0.00% of outstanding | $58k | Nov 20, 2025 | $55k |
| Nov 17, 2025 | Wong Andrew Luen Cheung Director, INDEPENDENT DIRECTOR | 1,752 0.00% of outstanding | $59k | Nov 17, 2025 | $78k |
| Nov 17, 2025 | Zhuang Yan Officer, Director, AFFILIATE | 30,000 0.04% of outstanding | $1.0M | Nov 17, 2025 | none |
| Sep 9, 2025 | Chang Leslie Li Hsien Director, INDEPENDENT DIRECTOR | 5,000 0.01% of outstanding | $55k | Sep 9, 2025 | none |
| Sep 8, 2025 | Wong Andrew Luen Cheung Director, INDEPENDENT DIRECTOR | 6,773 0.01% of outstanding | $76k | Sep 8, 2025 | none |
| Jun 16, 2025 | Chang Huifeng Officer, CORPORATE VP | 21,743 0.03% of outstanding | $240k | Jun 16, 2025 | $62k |
| Jun 11, 2025 | Chang Huifeng Officer, CORPORATE VP | 5,579 0.01% of outstanding | $63k | Jun 11, 2025 | none |
| May 22, 2025 | Chang Leslie Li Hsien Director, INDEPENDENT DIRECTOR | 20,000 0.03% of outstanding | $210k | May 22, 2025 | none |
| Dec 16, 2024 | Wong Andrew Luen Cheung Director, INDEPENDENT DIRECTOR | 2,878 0.00% of outstanding | $37k | Dec 16, 2024 | none |
Transactions
The newest 50 of 67 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 6, 2026 | Andrew Luen Cheung Wong director | MOption exercise Common Stock | +1,203 | $0.00 | $0 | 2,008 | 6 d ago |
| Oct 6, 2026 | Yuan Qu director | MOption exercise Common Stock | +2,770 | $0.00 | $0 | 4,621 | 6 d ago |
| Oct 6, 2026 | Lauren C Templeton director | MOption exercise Common Stock | +1,203 | $0.00 | $0 | 25,802 | 6 d ago |
| Oct 6, 2026 | Leslie Li Hsien Chang director | MOption exercise Common Stock | +1,203 | $0.00 | $0 | 2,008 | 6 d ago |
| Oct 6, 2026 | Harry E Ruda director | MOption exercise Common Stock | +1,203 | $0.00 | $0 | 47,201 | 6 d ago |
| Oct 6, 2026 | Harry E Ruda director | FTax withholding Common Stock | -733 | $11.54 | $8,458 | 46,468 | 6 d ago |
| Oct 6, 2026 | Yuan Qu director | FTax withholding Common Stock | -1,133 | $11.54 | $13k | 3,488 | 6 d ago |
| Oct 6, 2026 | Lauren C Templeton director | FTax withholding Common Stock | -5 | $11.54 | $58 | 25,797 | 6 d ago |
| Oct 6, 2026 | Leslie Li Hsien Chang director | FTax withholding Common Stock | +5 | $11.54 | $58 | 2,003 | 6 d ago |
| Oct 6, 2026 | Andrew Luen Cheung Wong director | FTax withholding Common Stock | -5 | $11.54 | $58 | 2,003 | 6 d ago |
| Oct 6, 2026 | Harry E Ruda director | MOption exercise Restricted Share Unitsderivative | -1,203 | $0.00 | $0 | 22,905 | 6 d ago |
| Oct 6, 2026 | Yuan Qu director | MOption exercise Restricted Share Unitsderivative | -2,770 | $0.00 | $0 | 5,539 | 6 d ago |
| Oct 6, 2026 | Andrew Luen Cheung Wong director | MOption exercise Restricted Share Unitsderivative | -1,203 | $0.00 | $0 | 22,905 | 6 d ago |
| Oct 6, 2026 | Leslie Li Hsien Chang director | MOption exercise Restricted Share Unitsderivative | -1,203 | $0.00 | $0 | 22,905 | 6 d ago |
| Oct 6, 2026 | Lauren C Templeton director | MOption exercise Restricted Share Unitsderivative | -1,203 | $0.00 | $0 | 22,905 | 6 d ago |
| May 26, 2026 | Leslie Li Hsien Chang director | SOpen-market sale Common Stock | -1,767 | $19.45 | $34k | 0 | May 28, 2026 |
| May 26, 2026 | Shawn Xiaohua Qu Chief Technology Officer | MOption exercise Common Stock | +4,980 | $0.00 | $0 | 13,789,130 | May 28, 2026 |
| May 26, 2026 | Xinbo Zhu Chief Financial Officer | MOption exercise Common Stock | +2,490 | $0.00 | $0 | 150,850 | May 28, 2026 |
| May 26, 2026 | Dylan Marx Chief Operating Officer | MOption exercise Common Stock | +1,660 | $0.00 | $0 | 5,537 | May 28, 2026 |
| May 26, 2026 | Shawn Xiaohua Qu Chief Technology Officer | FTax withholding Common Stock | -6 | $19.45 | $117 | 13,789,124 | May 28, 2026 |
| May 26, 2026 | Xinbo Zhu Chief Financial Officer | FTax withholding Common Stock | -6 | $19.45 | $117 | 150,844 | May 28, 2026 |
| May 26, 2026 | Dylan Marx Chief Operating Officer | FTax withholding Common Stock | -983 | $19.45 | $19k | 4,554 | May 28, 2026 |
| May 26, 2026 | Xinbo Zhu Chief Financial Officer | MOption exercise Restricted Share Unitsderivative | -2,490 | $0.00 | $0 | 23,322 | May 28, 2026 |
| May 26, 2026 | Dylan Marx Chief Operating Officer | MOption exercise Restricted Share Unitsderivative | -1,660 | $0.00 | $0 | 11,840 | May 28, 2026 |
| May 26, 2026 | Shawn Xiaohua Qu Chief Technology Officer | MOption exercise Restricted Share Unitsderivative | -4,980 | $0.00 | $0 | 35,457 | May 28, 2026 |
| May 6, 2026 | Shawn Xiaohua Qu Chief Technology Officer | JOther Stock Options (Right to Buy)derivativeindirect: By Spouse | +7,512 | $0.00 | $0 | 7,512 | May 27, 2026 |
| May 21, 2026 | Shawn Xiaohua Qu Chief Technology Officer | MOption exercise Common Stock | +4,582 | $0.00 | $0 | 13,784,153 | May 22, 2026 |
| May 21, 2026 | Dylan Marx Chief Operating Officer | MOption exercise Common Stock | +1,527 | $0.00 | $0 | 3,750 | May 22, 2026 |
| May 21, 2026 | Xinbo Zhu Chief Financial Officer | MOption exercise Common Stock | +3,054 | $0.00 | $0 | 148,363 | May 22, 2026 |
| May 21, 2026 | Shawn Xiaohua Qu Chief Technology Officer | FTax withholding Common Stock | -3 | $16.34 | $49 | 13,784,150 | May 22, 2026 |
| May 21, 2026 | Dylan Marx Chief Operating Officer | FTax withholding Common Stock | -903 | $16.34 | $15k | 2,847 | May 22, 2026 |
| May 21, 2026 | Xinbo Zhu Chief Financial Officer | FTax withholding Common Stock | -3 | $16.34 | $49 | 148,360 | May 22, 2026 |
| May 21, 2026 | Xinbo Zhu Chief Financial Officer | MOption exercise Restricted Share Unitsderivative | -3,054 | $0.00 | $0 | 25,812 | May 22, 2026 |
| May 21, 2026 | Dylan Marx Chief Operating Officer | MOption exercise Restricted Share Unitsderivative | -1,527 | $0.00 | $0 | 13,500 | May 22, 2026 |
| May 21, 2026 | Shawn Xiaohua Qu Chief Technology Officer | MOption exercise Restricted Share Unitsderivative | -4,582 | $0.00 | $0 | 40,437 | May 22, 2026 |
| May 19, 2026 | Andrew Luen Cheung Wong director | SOpen-market sale Common Stock | -1,752 | $16.33 | $29k | 0 | May 21, 2026 |
| May 13, 2026 | Xinbo Zhu Chief Financial Officer | MOption exercise Common Stock | +5,422 | $0.00 | $0 | 145,312 | May 14, 2026 |
| May 13, 2026 | Dylan Marx Chief Operating Officer | MOption exercise Common Stock | +2,717 | $0.00 | $0 | 3,827 | May 14, 2026 |
| May 13, 2026 | Shawn Xiaohua Qu Chief Technology Officer | MOption exercise Common Stock | +8,133 | $0.00 | $0 | 13,779,574 | May 14, 2026 |
| May 13, 2026 | Yu (Kang) Chen Lead General Counsel | MOption exercise Common Stock | +2,711 | $0.00 | $0 | 5,257 | May 14, 2026 |
| May 13, 2026 | Xinbo Zhu Chief Financial Officer | FTax withholding Common Stock | -3 | $19.83 | $59 | 145,309 | May 14, 2026 |
| May 13, 2026 | Dylan Marx Chief Operating Officer | FTax withholding Common Stock | -1,604 | $19.83 | $32k | 2,223 | May 14, 2026 |
| May 13, 2026 | Shawn Xiaohua Qu Chief Technology Officer | FTax withholding Common Stock | -3 | $19.83 | $59 | 13,779,571 | May 14, 2026 |
| May 13, 2026 | Yu (Kang) Chen Lead General Counsel | FTax withholding Common Stock | -898 | $19.83 | $18k | 4,359 | May 14, 2026 |
| May 13, 2026 | Xinbo Zhu Chief Financial Officer | MOption exercise Restricted Share Unitsderivative | -5,422 | $0.00 | $0 | 28,866 | May 14, 2026 |
| May 13, 2026 | Dylan Marx Chief Operating Officer | MOption exercise Restricted Share Unitsderivative | -2,717 | $0.00 | $0 | 15,027 | May 14, 2026 |
| May 13, 2026 | Yu (Kang) Chen Lead General Counsel | MOption exercise Restricted Share Unitsderivative | -2,711 | $0.00 | $0 | 11,946 | May 14, 2026 |
| May 13, 2026 | Shawn Xiaohua Qu Chief Technology Officer | MOption exercise Restricted Share Unitsderivative | -8,133 | $0.00 | $0 | 45,019 | May 14, 2026 |
| Apr 2, 2026 | Colin Parkin director | AGrant or award Restricted Share Unitsderivative | +28,542 | $0.00 | $0 | 28,542 | Apr 6, 2026 |
| Apr 2, 2026 | Harry E Ruda director | MOption exercise Common Stock | +770 | $0.00 | $0 | 46,152 | Apr 6, 2026 |
Insiders
Everyone who has filed a Form 4 here.
- Leslie Li Hsien Changdirector
- Yu (Kang) ChenLead General Counsel
- Dylan MarxChief Operating Officer
- Colin Parkindirector
- Shawn Xiaohua QuChief Technology Officer
- Yuan Qudirector
- Harry E Rudadirector
- Lauren C Templetondirector
- Andrew Luen Cheung Wongdirector
- Xinbo ZhuChief Financial Officer
Questions about CSIQ
Answered from the filings on this page, as of the latest one.
Are insiders buying CSIQ?
No. In the last 90 days no insider at Canadian Solar Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade CSIQ on the open market?
Leslie Li Hsien Chang (director) sold $34k of CSIQ on May 26, 2026 and filed the Form 4 on May 28, 2026. InsiderTell scored 49 (moderate), with 2 insiders on the same side within 14 days.
How many insiders file Form 4 at Canadian Solar Inc.?
10 people have filed a Form 4 at Canadian Solar Inc., among them Leslie Li Hsien Chang (director), Yu (Kang) Chen (Lead General Counsel), Dylan Marx (Chief Operating Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
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.