| Date | Issuer | Insider | Transaction | Amount | New Balance ⓘ 
                                    The balance of securities held by registered holder at the time of the transaction. Insiders may direct multiple registered holders and hold multiple security types.
                                 | |
|---|---|---|---|---|---|---|
| Filed 2017-03-29 Tx date 2017-03-29 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $97,924 +2,520 vol $38.86 each | 21,300 | |
| Filed 2016-10-05 Tx date 2016-10-03 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-50,512 -1,120 vol $45.10 each | 18,780 | |
| Filed 2016-05-03 Tx date 2016-05-02 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-143,910 -3,000 vol $47.97 each | 19,900 | |
| Filed 2015-12-22 Tx date 2015-12-21 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-235,854.90 -4,500 vol $52.41 each | 22,900 | |
| Filed 2015-12-18 Tx date 2015-12-18 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $43,920 +9,000 vol $4.88 each | 27,400 | |
| Filed 2015-12-18 Tx date 2015-12-18 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options51 - Exercise of options | $-43,920 -9,000 vol $4.88 each | 0 | |
| Filed 2015-11-13 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-19,420 -400 vol $48.55 each | ||
| Filed 2015-11-13 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-19,420 -400 vol $48.55 each | ||
| Filed 2015-11-13 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-14,697 -300 vol $48.99 each | ||
| Filed 2015-11-13 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-14,577 -300 vol $48.59 each | 19,600 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-9,704 -200 vol $48.52 each | 20,300 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-9,712 -200 vol $48.56 each | 20,100 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-9,794 -200 vol $48.97 each | 19,900 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-14,604 -300 vol $48.68 each | 19,300 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-19,420 -400 vol $48.55 each | 18,900 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-19,420 -400 vol $48.55 each | 18,500 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-24,255 -500 vol $48.51 each | 18,000 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-14,697 -300 vol $48.99 each | 19,600 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-19,560 -400 vol $48.90 each | 27,000 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-33,950 -700 vol $48.50 each | 26,300 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-4,850 -100 vol $48.50 each | 26,200 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-223,974 -4,600 vol $48.69 each | 21,600 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-34,272 -700 vol $48.96 each | 20,900 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-4,861 -100 vol $48.61 each | 20,800 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-4,864 -100 vol $48.64 each | 20,700 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-4,876 -100 vol $48.76 each | 20,600 | |
| Filed 2015-11-11 Tx date 2015-11-09 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-4,895 -100 vol $48.95 each | 20,500 | |
| Filed 2015-09-25 Tx date 2015-09-25 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares51 - Exercise of options | $43,920 +9,000 vol $4.88 each | 27,400 | |
| Filed 2015-09-25 Tx date 2015-09-25 | $SJ Stella-Jones Inc. | Pageau-Goyette, Nycol 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options51 - Exercise of options | $-43,920 -9,000 vol $4.88 each | 9,000 |