Signature
/s/ Dana A. DeVivo, Attorney-in-Fact
Issuer symbol
PTA
Transactions as of
17 Feb 2022
Net transactions value
+$50,186
Form type
4
Filing time
22 Feb 2022, 07:45:33 UTC
Previous filing
10 Feb 2022
Next filing
03 Mar 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PTA Common Stock Purchase $50,186 +2,300 +57% $21.82 6,321 17 Feb 2022 Direct
holding PTA Common Stock 417 17 Feb 2022 By child's account F1
holding PTA Common Stock 417 17 Feb 2022 By child's account F1
holding PTA Common Stock 8,336 17 Feb 2022 By husband's account F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Reporting Person disclaims beneficial ownership of these shares except to the extent of her pecuniary interest.