FilingIndex
8-KThe WireRed Alert

Executive Change

Filed Oct 1, 2021 · 4y ago · Accession 0001559053-21-000040

Plain English

Material event — a significant development the company must disclose promptly.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
PRTA
CIK
1559053
Form type
8-K
Filing date
Oct 1, 2021
Report date
Sep 29, 2021
Document
prta-20210929.htm
Size
186 KB