On Jan 6, Koh sold 3 million shares to the market for $42,000 or 1.4 cents each, paring her stake to 11.99% from 12.17% before.
On Jan 7, the substantial shareholder bought another 1 million shares from the market for $14,000 or 1.4 cents apiece, bringing her stake to 12.05%.
As at Advanced Systems’ latest annual report for the FY2022 ended Dec 31, 2022, Koh was listed as the 15th largest shareholder of the company with a 0.38% stake comprising 83.76 million shares at the time.
Shares in Advanced Systems closed 0.1 cents lower or 7.69% down at 1.2 cents on Jan 9.