Tech Wrap: CEO exits and insider selling shake small caps as AI orders land

• TZ Limited (ASX:TZL) slid on news its CEO will step down, with a successor search now underway
• EOS (ASX:EOS) fell after executives exercised options and the CEO flagged a large share sale for personal expenses
• Vection Technologies (ASX:VR1) gained after reporting about $4m in new AI platform orders across 10 sectors
• Infotrust (ASX:ITS) moved to buy Catalyst Cyber for ~$5m to grow its federal government cyber security work