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PTN        0000911216    
Filing Date Form Type Description Document
2021-07-01 4 PRIMARY DOCUMENT View Document
2021-06-30 4 FORM 4 View Document
2021-06-30 4 FORM 4 View Document
2021-06-24 4 PRIMARY DOCUMENT View Document
2021-06-24 4 PRIMARY DOCUMENT View Document
2021-06-24 4 PRIMARY DOCUMENT View Document
2021-06-24 4 PRIMARY DOCUMENT View Document
2021-06-24 4 PRIMARY DOCUMENT View Document
2021-06-24 4 PRIMARY DOCUMENT View Document
2021-06-24 4 PRIMARY DOCUMENT View Document
2021-06-24 4 PRIMARY DOCUMENT View Document
2021-06-21 DEFA14A FORM DEFA14A View Document
2021-06-10 8-K CURRENT REPORT View Document
2021-05-17 8-K CURRENT REPORT View Document
2021-05-14 10-Q PRIMARY DOCUMENT View Document
2021-04-26 DEF 14A DEF 14A View Document
2021-04-15 PRE 14A PRE 14A View Document
2021-03-12 8-K CURRENT REPORT View Document
2021-02-17 8-K CURRENT REPORT View Document
2021-02-16 10-Q QUARTERLY REPORT View Document
2020-12-18 8-K CURRENT REPORT View Document
2020-11-30 4 PRIMARY DOCUMENT View Document
2020-11-17 8-K CURRENT REPORT View Document
2020-11-16 10-Q QUARTERLY REPORT View Document
2020-10-02 8-K CURRENT REPORT View Document
2020-10-02 4 PRIMARY DOCUMENT View Document
2020-09-28 8-K CURRENT REPORT View Document
2020-09-25 10-K ANNUAL REPORT View Document
2020-08-31 4 FORM 4 View Document
2020-08-31 4 FORM 4 View Document
2020-07-27 8-K CURRENT REPORT View Document
2020-07-24 8-K CURRENT REPORT View Document
2020-07-10 SC 13G/A View Document
2020-06-29 8-K CURRENT REPORT View Document
2020-06-29 DEFA14A DEFA14A View Document
2020-06-26 4 PRIMARY DOCUMENT View Document
2020-06-26 4 PRIMARY DOCUMENT View Document
2020-06-18 4 FORM 4 View Document
2020-06-18 4 FORM 4 View Document
2020-06-18 4 PRIMARY DOCUMENT View Document
2020-06-18 4 PRIMARY DOCUMENT View Document
2020-06-18 4 PRIMARY DOCUMENT View Document
2020-06-18 4 PRIMARY DOCUMENT View Document
2020-06-18 4 PRIMARY DOCUMENT View Document
2020-06-18 4 PRIMARY DOCUMENT View Document
2020-06-18 4 FORM 4 View Document
2020-05-12 8-K CURRENT REPORT View Document
2020-05-11 DEFA14A DEFA14A View Document
2020-05-11 DEF 14A DEF 14A View Document
2020-05-11 10-Q QUARTERLY REPORT View Document
2020-04-30 PRE 14A PRE 14A View Document
2020-02-11 8-K CURRENT REPORT View Document
2020-02-10 10-Q QUARTERLY REPORT View Document
2020-02-05 SC 13G/A View Document
2019-11-13 8-K CURRENT REPORT View Document
2019-11-12 10-Q QUARTERLY REPORT View Document
2019-09-12 10-K ANNUAL REPORT View Document
2019-09-12 8-K CURRENT REPORT View Document
2019-08-07 4 PRIMARY DOCUMENT View Document
2019-08-05 4 PRIMARY DOCUMENT View Document
2019-08-05 4 PRIMARY DOCUMENT View Document
2019-08-05 4 PRIMARY DOCUMENT View Document
2019-06-26 4 PRIMARY DOCUMENT View Document
2019-06-26 4 PRIMARY DOCUMENT View Document
2019-06-26 4 PRIMARY DOCUMENT View Document
2019-06-26 4 PRIMARY DOCUMENT View Document
2019-06-26 4 PRIMARY DOCUMENT View Document
2019-06-26 4 PRIMARY DOCUMENT View Document
2019-06-26 4 PRIMARY DOCUMENT View Document
2019-06-26 4 PRIMARY DOCUMENT View Document
2019-06-26 4 PRIMARY DOCUMENT View Document
2019-06-26 8-K CURRENT REPORT View Document
2019-06-21 424B5 PROSPECTUS SUPPLEMENT View Document
2019-06-21 8-K CURRENT REPORT View Document
2019-06-20 8-K CURRENT REPORT View Document
2019-05-10 DEFA14A DEFINITIVE ADDITIONAL MATERIALS View Document
2019-05-10 DEF 14A PROXY STATEMENT View Document
2019-05-09 10-Q QUARTERLY REPORT View Document
2019-05-09 8-K CURRENT REPORT View Document
2019-04-04 8-K PRIMARY DOCUMENT View Document
2019-02-13 EFFECT View Document
2019-02-13 424B5 424B5 View Document
2019-02-13 424B3 424B3 View Document
2019-02-12 8-K CURRENT REPORT View Document
2019-02-11 10-Q QUARTERLY REPORT View Document
2019-02-08 SC 13G View Document
2019-02-07 CORRESP View Document
2019-02-05 S-3/A FORM S-3/A View Document
2019-01-07 8-K CURRENT REPORT View Document
2018-11-21 4 PRIMARY DOCUMENT View Document
2018-11-19 4 PRIMARY DOCUMENT View Document
2018-11-19 4 PRIMARY DOCUMENT View Document
2018-11-19 4 PRIMARY DOCUMENT View Document
2018-11-13 8-K CURRENT REPORT View Document
2018-11-09 10-Q QUARTERLY REPORT View Document
2018-09-14 S-8 PRIMARY DOCUMENT View Document
2018-09-13 10-K ANNUAL REPORT View Document
2018-09-13 8-K CURRENT REPORT View Document
2018-08-23 CORRESP View Document
2018-08-22 UPLOAD View Document

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