Aug 23 (Reuters) - Carmanah Technologies Corp
* Says Carmanah reports board changes, recent insider transactions and proposed substantial issuer bid
* Says Michael W. Sonnenfeldt has announced his resignation as chairman of board of directors
* Says Sonnenfeldt's successor Jim Meekison has agreed to serve as Carmanah's board chairman.
* Says intends to launch issuer bid to which co will offer to acquire up to 6 million shares for c$5.00 per share from existing shareholders Source text for Eikon: Further company coverage: