Healthcare

Starpharma's platform is dendrimer chemistry: precisely branched synthetic polymers that carry a drug payload and alter how and where it distributes in the body, branded DEP. Historically the technology was applied to reformulated chemotherapies and to consumer products including VivaGel BV and the VIRALEZE …

Cogstate Ltd (ASX:CGS) shares closed at AUD 2.930 on 19 August 2026, increasing AUD 0.200 or 7.326% compared with the previous close of AUD 2.730. The stock traded between AUD 2.690 and AUD 2.950, with aVolumeof 1,551,820 shares.

Cambium Bio Limited (ASX:CMB) shares closed at AUD 0.410 on 19 August 2026, increasing AUD 0.010 or 2.500% compared with the previous close of AUD 0.400. The stock traded between AUD 0.380 and AUD 0.410, with aVolumeof 72,216 shares.

Sonic Healthcare was quoted at $23.66 at 15:17 AEST on Wednesday 19 August 2026, up 2.76%, with 1.59 million shares traded. RelativeVolumewas 0.85 — below the stock's normal pace for that hour.

• Optiscan Imaging rose 6.45% to 16.5 cents by 15:17 AEST on Wednesday 19 August 2026, on turnover of 192,280 shares.

• No price-sensitive announcement was lodged with the ASX in the days before Wednesday's move.

• Medical Developments International gained 5.10% to $0.515 by mid-afternoon on Wednesday 19 August 2026, on 54,750 shares.