PRTA (PRTA)
What the price implies
A reverse DCF: instead of guessing a fair value, it asks what growth today's price already assumes. How it works.
Fundamental grade
Five factors scored 1 to 9 from PRTA's latest numbers, weighted into one grade. It describes the business, not whether the stock is a buy.
Key numbers
Results from SEC filings
Fiscal years, from PRTA's 10-K filings. Ten years of the full income statement, balance sheet and cash flow.
| Fiscal year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $201M | $54M | $91M | $135M | $10M |
| Net income | $67M | -$117M | -$147M | -$122M | -$244M |
| Free cash flow | — | — | — | — | — |
| EPS (diluted) | $1.38 | -$2.47 | -$2.76 | -$2.27 | -$4.53 |
| Operating margin | 35.9% | -244.1% | -209.1% | -114.4% | -2216.4% |
Where the revenue comes from
Revenue by products, fiscal 2025. Every breakdown, year by year.
Superinvestors who own PRTA
From each investor's latest 13F filing (what a 13F shows).
Insider buying
Open-market purchases by PRTA's executives and directors in the last 12 months, from SEC Form 4 filings. What insider buying tells you. Every purchase since records began.
| Date | Insider | Shares | Price | Value |
|---|---|---|---|---|
| Oct 8, 2026 | William P Scully Major Shareholder |
90,000 | $8.57 | $770,904 |
| Oct 7, 2026 | William P Scully Major Shareholder |
125,000 | $8.40 | $1M |
| Oct 2, 2026 | William P Scully Major Shareholder |
100,000 | $8.57 | $857,240 |
| Sep 29, 2026 | William P Scully Major Shareholder |
162,000 | $8.68 | $1M |
| Sep 28, 2026 | William P Scully Major Shareholder |
103,500 | $8.60 | $889,872 |
| Sep 18, 2026 | William P Scully Major Shareholder |
100,000 | $8.43 | $843,460 |
| Sep 2, 2026 | William P Scully Major Shareholder |
27,000 | $9.47 | $255,739 |
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In the full deep dive
Questions
Are PRTA insiders buying the stock?
7 open-market insider purchases of PRTA in the last 12 months, from SEC Form 4 filings.
Prices and ratios as of Oct 11, 2026; statements from SEC filings. Information only, not investment advice. Superinvestor holdings come from 13F filings, which are filed up to 45 days after each quarter ends.