State Ledger
Company profile

Protagonist Therapeutics, Inc CIK 1377121

Ticker
PTGX (Nasdaq)
Industry
Pharmaceutical Preparations
Headquarters
Newark, CA 94560-1160
Fiscal year end
2025 (FY)
Market Data
Close
$138.52
Change
-$6.37
Change %
-4.40%
Volume
72,587

PTGX · trading date Oct 13, 2026 · previous close $144.89 · source: Alpaca (IEX feed, not consolidated full-market data).

Key Financials
Revenue
—
Net income
-$130.15M
Total assets
$668.19M
Total liabilities
$53.48M
Stockholders' equity
$614.71M
Cash & equivalents
$128.39M
Operating income
-$158.13M
Operating cash flow
$57.67M
Capital expenditures
$1.59M

Fiscal year 2025, via 10-K filed 2026-02-25. A dash means this figure wasn't reported in the source filing under a field State Ledger recognizes - not that the value is zero.

Financial Performance
Operating margin
—
Net margin
—
Free cash flow
$56.08M
Free cash flow margin
—
Liabilities / assets
8.0%
Equity / assets
92.0%
CapEx / revenue
—
Operating cash flow / net income
-0.44×

Derived from the fiscal year 2025 figures above. These metrics are mathematical calculations and do not represent a rating or assessment of the company.

Financial History
Fiscal yearRevenueNet incomeAssetsLiabilitiesEquity
2025 — -$130.15M $668.19M $53.48M $614.71M
2024 — $275.19M $744.73M $69.43M $675.30M
2023 — -$78.96M $357.95M $21.27M $336.68M
2022 — -$127.39M $247.93M $32.32M $215.61M
2021 — -$125.55M $347.70M $47.67M $300.02M
Company Details
SIC code
2834
State of incorporation
DE
Active filer
Yes
Most recent SEC filing
Form 4
2026-09-10
Financials filed via
Form 10-K
filed 2026-02-25

"Most recent SEC filing" may differ from the filing used for the financial figures above.

Location
Newark, CA 94560-1160
7707 GATEWAY BLVD., SUITE 140
Data & Methodology

SEC EDGAR submissions API (identity, collected Sep 19, 2026, 15:11 UTC) and SEC XBRL Company Facts API (financials, collected Sep 26, 2026, 15:16 UTC) · figures as originally filed, not restated · a dash always means a value wasn't reported, never a real zero.

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