Ocean Sciences (ASX:OSS) Shares Extend Losses: What’s Happening?

Sonal Goyal

27 October 2026 04:27 PM AEDT

Ocean Sciences (ASX:OSS) Shares Extend Losses: What’s Happening?

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Key Highlights

Ocean Sciences shares traded at $0.014, down 12.50%, during the 27 October 2026 trading session.
Ocean Sciences secured a purchase order for 25 metric tonnes of Spinosum seaweed.
The shipment arrived at Xiamen Port, subject to customs inspection and clearance.

Shares in Ocean Sciences Ltd (ASX:OSS) were trading at $0.014, down 12.50%, during the 27 October 2026 trading session, while the S&P/ASX 200 index was at 8,852.80, up 0.49% (42.90 points), at 3:40 pm GMT+11. Ocean Sciences is an ASX-listed seaweed supply, Research and Development company operating through an Indonesian subsidiary. The company’s most recent update, dated 21 October 2026, covered its first commercial sale of Spinosum seaweed.

First Spinosum Sale (21 October 2026)

In its 21 October 2026 announcement, Ocean Sciences said its Indonesian subsidiary, PT BPH Global Indonesia, secured its first commercial sale of Eucheuma spinosum seaweed, a purchase order for 25 metric tonnes from existing Chinese customer Greenwich (China) Technology Development Limited. The shipment has arrived at Xiamen Port, and delivery is subject to customs clearance and inspection.

Expansion of Trading Operations

The company’s seaweed trading to date has focused on Cottonii, used mainly to produce kappa-carrageenan. Spinosum is the principal raw material for iota-carrageenan, used in dairy desserts, plant-based foods, personal care products and pharmaceuticals.

Cottonii and Spinosum together account for about 90% of the seaweed used in global carrageenan production, and the company said the addition broadens its product range and addressable customers using its Indonesian procurement network and export infrastructure.

Sector Context

The broader market was higher during the session, with the S&P/ASX 200 index was at 8,852.80, up 0.49% (42.90 points), at 3:40 pm GMT+11. Seaweed and agricultural Commodity traders report sales by product, destination and shipment status, with customs and logistics affecting delivery timing.

Ocean Sciences shares were trading at $0.014, down 12.50%, against a benchmark gain of 0.49%, a gap of 12.99 percentage points. The figures are session data recorded while the market was open and can change before the market finishes trading.

Risks

Delivery to the customer depends on customs clearance and inspection. The sale is a single 25-tonne purchase order, and the announcement does not state a Revenue figure.

What Lies Ahead

The announcement points to customs clearance in China, delivery of the shipment and further development of Spinosum trading.

Final Takeaway

Ocean Sciences shares fell during the session. The latest update describes a first-of-type sale whose delivery is pending clearance.

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