Signature
/s/ Dana A. DeVivo, Attorney-in-Fact
Stock symbol
PTA
Transactions as of
Feb 17, 2022
Transactions value $
$50,186
Form type
4
Date filed
2/22/2022, 07:45 AM
Previous filing
Feb 10, 2022
Next filing
Mar 3, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PTA Common Stock Purchase $50.2K +2.3K +57.2% $21.82 6.32K Feb 17, 2022 Direct
holding PTA Common Stock 417 Feb 17, 2022 By child's account F1
holding PTA Common Stock 417 Feb 17, 2022 By child's account F1
holding PTA Common Stock 8.34K Feb 17, 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.