BlackRock, Inc. Reports 15% Ownership Stake in Napco Security Technologies, Inc. (NSSC)

BlackRock, Inc. filed a Schedule 13G/A on April 7, 2026, reporting a significant increase in its stake in Napco Security Technologies, Inc. (NSSC). As of the event date on March 31, 2026, BlackRock beneficially owns 5,350,443 shares of common stock, representing a 15.0% ownership stake in the company. This is a substantial increase from the previously reported 0.0% position. Of the total shares held, BlackRock reports sole voting power over 5,288,755 shares and sole dispositive power over all 5,350,443 shares. The filing notes that the iShares Core S&P Small-Cap ETF maintains an interest of more than five percent in the issuer's common stock. The acquisition was made in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. This amendment marks the fourth update to BlackRock's filings regarding this security.