Filing Flows › Prothena Corp Public (PRTA) › Q2 2026
Prothena Corp Public (PRTA) Q2 2026 earnings results (second quarter 2026)
10-Q filed Aug 6, 2026
Prothena Corp Public (PRTA) reported revenue of $1.0M for the second quarter 2026 (Q2 2026), -77% from a year earlier and -98% from the quarter before.
Prothena Corp Public, Q2 2026: revenue $1.0M (-77% year over year), net loss $18.6M, operating cash flow −$25.0M. The chart follows the revenue to costs, profit and cash.
| Q2 2026 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $1.0M | -98% | -77% |
| Operating profit | −$21.1M | -170% | — |
| Net earnings | −$18.6M | -157% | — |
| Operating cash flow | −$25.0M | -187% | — |
What changed
Revenue was $1.0M in Q2 2026, down 77% year over year and down 98% from the previous quarter.
Operating costs exceeded revenue by $21.1M, an operating margin of -2089.2%. Total costs fell 75% while revenue fell 77%. The quarter ended with a net loss of $18.6M, after a profit of $32.7M the previous quarter.
Operating cash flow was −$25.0M. Non-cash charges added back $197K of depreciation and amortization and $7.9M of share-based compensation. Working capital and other items used $14.5M. Capital expenditures of $652K exceeded it, leaving free cash flow of −$25.7M.
Questions
What was Prothena Corp Public's revenue in the second quarter 2026?
Prothena Corp Public (PRTA) reported revenue of $1.0M for the second quarter 2026 (Q2 2026), -77% from a year earlier and -98% from the quarter before.