| 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 2017-05-25 Tx date 2017-05-19 | $STT STT Enviro Corp. (formerly Semcan Inc.) | TWEEDY, ROBERT 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: Useppa Holdings Ltd. (Indirect Ownership)
                                
                             | Common Shares22 - Acquisition or disposition pursuant to a take-over bid, merger or acquisition | $-231,749.595 -735,713 vol $0.315 each | 0 | |
| Filed 2017-05-25 Tx date 2017-05-23 | $STT STT Enviro Corp. (formerly Semcan Inc.) | TWEEDY, ROBERT 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options38 - Redemption, retraction, cancellation, repurchase | $-63,000 -200,000 vol $0.315 each | 100,000 | |
| Filed 2017-05-25 Tx date 2017-05-23 | $STT STT Enviro Corp. (formerly Semcan Inc.) | TWEEDY, ROBERT 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options38 - Redemption, retraction, cancellation, repurchase | $-31,500 -100,000 vol $0.315 each | 0 | |
| Filed 2016-05-02 Tx date 2016-05-02 | $STT STT Enviro Corp. (formerly Semcan Inc.) | TWEEDY, ROBERT 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Options99 - Correction of information | $-60,000 -200,000 vol $0.30 each | 300,000 | |
| Filed 2015-07-16 Tx date 2015-07-14 | $STT STT Enviro Corp. (formerly Semcan Inc.) | TWEEDY, ROBERT 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: Useppa Holdings Ltd. (Indirect Ownership)
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $56,000 +200,000 vol $0.28 each | 735,713 |