half the sell side is that trader. 100%. source: decades of experience in various markets.
This person has a few things he/she does.
Look at the spacing of sell orders above the few immediate lines. Look at the amounts and their ranges, there are 3 key patterns that come up. Since liquidity is low you can analyse it very well by exporting daily trades into excel.
You'll find the strange footprint of somebody buying and selling roughly the same volume. aka a liquidity trader. For him/herself or paid for.
90k stocks to sell, Tomorrow you'll have about 150. 200. Aka adding liquidity and making a profit in the mean time.