Unregistered Sales of Equity Securities and Use of Proceeds
−Removed: There were no purchases of shares of the Company's common stock made by or on behalf of the Company during the three months ended April 30, 2022.
−Removed: On October 4, 2021, the Company's Board of Directors approved a stock repurchase program, which authorizes the Company to use up to $3.0 million for the purchase of its outstanding shares of common stock.
−Removed: Stock repurchases are permitted to be executed through open market or privately negotiated transactions over the course of 12 months, depending upon current market conditions and other factors. As of April 30, 2022, the Company has used $2.0 million of the $3.0 million authorized to repurchase its outstanding shares of common stock.
−Removed: Certificate of Incorporation of Perma-Pipe International Holdings, Inc. 
−Removed: (previously filed as a paper filing with the SEC and filed electronically herewith)
+Added: On October 4, 2021, the Company's Board of Directors approved a stock purchase program, which authorizes the Company to use up to $3.0 million for the purchase of its outstanding shares of common stock.
+Added: Stock repurchases are permitted to be executed through open market or privately negotiated transactions over the course of 12 months, depending upon current market conditions and other factors. As of July 31, 2022, the Company has used $2.0 million of the $3.0 million authorized to repurchase its outstanding shares of common stock.
+Added: On July 26, 2022, the Company retired all treasury stock previously repurchased under this stock repurchase program.
+Added: The retirement was recorded as a reduction to common stock based on the par value of the shares, and the excess over par value was r
+Added: ecorded as an increase to accumulated deficit in accordance with ASC 505-30, Equity - Treasury Stock . 
+Added: Total number of shares purchased
+Added: Average price paid per share
+Added: Total number of shares purchased as part of publicly announced plans or programs
+Added: Approximate dollar value of shares that may yet be purchased under the plans or programs
+Added: May 1, 2022 - May 31, 2022
+Added: June 1, 2022 - June 30, 2022
+Added: July 1, 2022 - July 31, 2022
Rule 13a - 14(a)/15d - 14(a) Certifications
12 unchanged sentences
Perma-Pipe International Holdings, Inc.
+Added: September 7, 2022
President and Chief Executive Officer
(Principal Executive Officer)
+Added: September 7, 2022
Bryan Norwood
3 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.