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Filing exhibits
PRTT similar filings
- 12 Jun 19 Departure of Directors or Certain Officers
- 21 Feb 19 Changes in Registrant's Certifying Accountant
- 31 Jan 19 Entry into a Material Definitive Agreement
- 10 Dec 18 Entry into a Material Definitive Agreement
- 14 Nov 18 Departure of Directors or Certain Officers
- 5 Jun 18 Unregistered Sales of Equity Securities
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