# Protagonist (PTGX) — Earnings

PTGX · NASDAQ · Stock

Canonical page: https://www.lighthorse.io/tickers/ptgx/earnings

## Most recent quarter

| Metric | Value |
| --- | --- |
| Fiscal period | Q2 2025 |
| Period end | Jun 30, 2025 |
| EPS actual | −$0.55 |
| EPS estimate | −$0.58 |
| EPS surprise | +5.06% |
| Revenue surprise | −26.11% |
| Revenue | $5.5M |
| Revenue estimate | $7.5M |
| Reported | Aug 6, 2025 |
| SEC filing | [View filing](https://www.sec.gov:443/Archives/edgar/data/1377121/000155837025010534/ptgx-20250630x10q.htm) |

Protagonist's latest results in the table are for Q2 2025, reported on August 6, 2025. The company posted a loss of $0.55 per share, narrower than the $0.58 loss expected, a 5.06% beat. Revenue was $5.5 million, 26.11% below the $7.5 million estimate. A year earlier, Q2 2024 showed a loss of $0.50 on revenue of $4.2 million, so the loss was slightly wider while revenue rose about 31%.

Most quarters in the table are losses. Profits appear in only three: Q4 2023 at $0.44, Q1 2024 at $3.26 on $255.0 million of revenue, the high in the table, and Q4 2024 at $1.98 on $170.6 million. That made fiscal 2024 a profit of $4.20 per share, after full-year losses of $2.70 in 2021, $2.60 in 2022 and $1.49 in 2023. Revenue swings widely, from $859,000 in Q2 2022 to $255.0 million, and some quarters show no revenue figure. Protagonist beat the EPS estimate in 14 of the last 20 quarters.

Protagonist reported Q3 results between November 2 and November 8 in each year from 2020 to 2024. The table ends at Q2 2025, so any later reports are not yet reflected here.

## Earnings history

| Fiscal period | Report date | EPS estimate | EPS actual | Surprise | Revenue estimate | Revenue actual |
| --- | --- | --- | --- | --- | --- | --- |
| Q2 2025 | Aug 6, 2025 | −$0.58 | −$0.55 | 5.06% | $7.5M | $5.5M |
| Q1 2025 | May 6, 2025 | −$0.20 | −$0.19 | 6.63% | $37.5M | $28.3M |
| Q4 2024 | Feb 21, 2025 | $1.15 | $1.98 | 71.86% | $117.8M | $170.6M |
| Q3 2024 | Nov 7, 2024 | −$0.58 | −$0.54 | 6.49% | $3.1M | $4.7M |
| Q2 2024 | Aug 6, 2024 | −$0.60 | −$0.50 | 16.02% | $3.1M | $4.2M |
| Q1 2024 | May 7, 2024 | $3.37 | $3.26 | -3.17% | $262.5M | $255.0M |
| Q4 2023 | Feb 27, 2024 | $0.05 | $0.44 | 720.90% | $60.0M | $60.0M |
| Q3 2023 | Nov 2, 2023 | −$0.66 | −$0.58 | 12.27% | — | — |
| Q2 2023 | Aug 3, 2023 | −$0.67 | −$0.68 | -2.07% | — | — |
| Q1 2023 | May 4, 2023 | −$0.73 | −$0.67 | 7.74% | $2.0M | — |
| Q4 2022 | Mar 15, 2023 | −$0.67 | −$0.69 | -3.26% | $3.3M | — |
| Q3 2022 | Nov 8, 2022 | −$0.87 | −$0.64 | 26.34% | — | — |
| Q2 2022 | Aug 4, 2022 | −$0.94 | −$0.84 | 10.19% | $460,000.00 | $859,000.00 |
| Q1 2022 | May 4, 2022 | −$0.54 | −$0.43 | 20.36% | $21.2M | $25.7M |
| Q4 2021 | Feb 28, 2022 | −$0.78 | −$0.77 | 1.53% | $5.1M | $8.6M |
| Q3 2021 | Nov 3, 2021 | −$0.67 | −$0.70 | -4.48% | $1.7M | $10.3M |
| Q2 2021 | Aug 4, 2021 | −$0.55 | −$0.69 | -26.49% | $5.2M | $2.3M |
| Q1 2021 | May 4, 2021 | −$0.57 | −$0.54 | 4.93% | $1.5M | $6.2M |
| Q4 2020 | Mar 10, 2021 | −$0.48 | −$0.48 | -0.42% | $2.7M | $5.7M |
| Q3 2020 | Nov 4, 2020 | −$0.61 | −$0.21 | 65.71% | $2.9M | $13.1M |

## Frequently Asked Questions

### When did Protagonist (PTGX) last report earnings?

Protagonist last reported on Aug 6, 2025, covering fiscal Q2 2025.

### Did PTGX beat earnings estimates?

Yes. Protagonist reported EPS of −$0.55 for Q2 2025 against a −$0.58 estimate — a 5.06% beat.

### How much revenue did PTGX report last quarter?

Protagonist reported $5.5M in revenue for Q2 2025, against a consensus estimate of $7.5M.

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Earnings figures may be restated, revised or corrected by the issuer. Past results do not indicate future performance.

This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.

Data provided by [AInvest](https://www.ainvest.com).