Updated Jul 16, 2026 · Last SEC filing 2026-07-02
CELESTICA INC (CLS) has filed 13 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 4 Form 8-K material event filings were reported by CLS in the last 90 days. 3 Form 144 notices of proposed sale were filed for CLS stock. InsiderAlpha tracks every CLS SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Printed Circuit Boards (SIC 3672) |
|---|---|
| SEC CIK | 0001030894 |
| Form 4 filings (90d) | 13 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 3 |
| Latest Form 4 filing | 2026-07-02 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| CASCELLA ROBERT | Insider | F — Tax withholding / forfeiture | 5 | $343.25 | $2K | SEC | |
| CASCELLA ROBERT | Insider | M — Option exercise | 84 | $0.00 | — | SEC | |
| Kale Jill | Insider | M — Option exercise | 155 | $0.00 | — | SEC | |
| Kale Jill | Insider | F — Tax withholding / forfeiture | 9 | $343.25 | $3K | SEC | |
| MIONIS ROBERT | Chief Executive Officer | S — Open-market sale | 160 | $407.48 | $65K | SEC | |
| MIONIS ROBERT | Chief Executive Officer | S — Open-market sale | 444 | $406.46 | $180K | SEC | |
| MIONIS ROBERT | Chief Executive Officer | S — Open-market sale | 80 | $410.22 | $33K | SEC | |
| MIONIS ROBERT | Chief Executive Officer | S — Open-market sale | 2.7K | $396.83 | $1.06M | SEC | |
| MIONIS ROBERT | Chief Executive Officer | S — Open-market sale | 11.2K | $398.86 | $4.49M | SEC | |
| MIONIS ROBERT | Chief Executive Officer | S — Open-market sale | 3.0K | $395.92 | $1.18M | SEC | |
| MIONIS ROBERT | Chief Executive Officer | S — Open-market sale | 11.1K | $401.94 | $4.47M | SEC | |
| MIONIS ROBERT | Chief Executive Officer | S — Open-market sale | 6.4K | $400.87 | $2.56M | SEC | |
| MIONIS ROBERT | Chief Executive Officer | S — Open-market sale | 6.8K | $402.77 | $2.73M | SEC | |
| MIONIS ROBERT | Chief Executive Officer | S — Open-market sale | 280 | $403.75 | $113K | SEC | |
| MIONIS ROBERT | Chief Executive Officer | S — Open-market sale | 10.3K | $397.92 | $4.12M | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for CELESTICA INC (CLS). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| MIONIS ROBERT | 17 | $26.43M |
| Chawla Mandeep | 15 | $6.79M |
| Wilson Michael Max | 10 | $1.39M |
| CASCELLA ROBERT | 5 | $2K |
| Kale Jill | 5 | $3K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CLS insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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