UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
−Removed: Purchases of our equity securities during the quarter ended September 30, 2024 are summarized below.
+Added: Purchases of our equity securities during the quarter ended March 31, 2025 are summarized below.
Period Total Number
6 unchanged sentences
Plans or Programs 1
−Removed: July 1 - July 31 0 $ 0.00 0 6,817,118
−Removed: August 1 - August 31 0 $ 0.00 0 6,817,118
−Removed: September 1 - September 30 0 $ 0.00 0 6,817,118
+Added: January 1 - January 31 0 $ 0.00 0 6,817,118
+Added: February 1 - February 28 0 $ 0.00 0 6,817,118
+Added: March 1 - March 31 170,000 $ 224.36 170,000 6,647,118
Total 170,000 $ 224.36 170,000
1 In February 2017, our Board of Directors authorized us to purchase up to 10,000,000 shares of our common stock.
−Removed: As of September 30, 2024, there were 6,817,118 shares remaining under this authorization.
+Added: As of March 31, 2025, there were 6,647,118 shares remaining under this authorization.
Depending upon market, business, legal and other conditions, we may purchase shares from time to time through the open market (including plans designed to comply with Rule 10b5-1 of the Securities Exchange Act of 1934) and/or through privately negotiated transactions.
The authorization has no time limit, does not obligate us to purchase any specific number of shares and may be suspended or discontinued at any time.
−Removed: We did not have any unregistered sales of equity securities during the third quarter of 2024.
+Added: We did not have any unregistered sales of equity securities during the first quarter of 2025.
MINE SAFETY DISCLOSURES
1 unchanged sentence
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.