2 unchanged sentences
On July 21, 2021, our common stock began trading on the Nasdaq Global Select Market under the symbol “KLTR.” Prior to that time, there was no public market for our common stock.
−Removed: As of February 13, 2025, there were 1,385 holders of record of our common stock.
+Added: As of March 1, 2026, there were 796 holders of record of our common stock.
The number of record holders does not include persons who hold shares of our common stock in nominee or “street name” accounts through brokers.
10 unchanged sentences
October 1, 2025 to October 31, 2025 — $ — — $ —
−Removed: 388,596 $ 1.34 388,596 $ 2,299
November 1, 2025 to November 30, 2025 14,443,739 $ 1.15 14,443,739 $ 290
−Removed: 86,544 $ 1.74 86,544 $ 2,157
December 1, 2025 to December 31, 2025 — $ — — $ —
−Removed: 4,500 $ 2.00 4,500 $ 2,148
Total 14,443,739 $ 1.15 14,443,739 $ 290
−Removed: (1) On June 11, 2024, the Company’s board of directors authorized a stock repurchase program of the Company’s outstanding common stock for up to $5 million of the Company’s common stock (the “Repurchase Program”).
−Removed: Under the Repurchase Program, the Company may make repurchases, from time to time, through open market purchases, block trades, in privately negotiated transactions, accelerated stock repurchase transactions, or by other means.
−Removed: The Company may also, from time to time, enter into Rule 10b5-1 plans to facilitate repurchases under this authorization.
−Removed: The volume, timing, and manner of any repurchases will be determined at the Company’s discretion, subject to general market conditions, as well as the Company’s management of capital, general business conditions, other investment opportunities, regulatory requirements and other factors.
−Removed: The Repurchase Program does not obligate the Company to repurchase any specific amount of common stock, has no time limit, and may be modified, suspended, or discontinued at any time without notice at the discretion of the Board of Directors.
+Added: (1) On November 7, 2025, the Company entered into a stock purchase agreement (the “2025 Stock Purchase Agreement” ) with Special Situations Investing Group II, LLC (the “Sellers”), pursuant to which the Company repurchased 14,443,739 shares of common stock from the Sellers at a purchase price of $16,610,300 representing a price per share of $1.15, calculated on the basis of a 25% discount over the average daily VWAP over the 30-day period ending on November 5, 2025.
+Added: In addition, the Board terminated the 2025 Repurchase Program.
Performance Graph
13 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.