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8-KThe WireRoutine

Company Update

Filed May 28, 2021 · 5y ago · Accession 0001193125-21-176949

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
May 28, 2021
Report date
May 28, 2021
Document
d189907d8k.htm
Size
144 KB