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NAPCO SECURITY TECHNOLOGIES (NSSC) Stock Ownership and Short Interest

USA - NASDAQ:NSSC - US6304021057 - Common Stock

44.4 USD
+3.05 (+7.38%)
Last: 11/5/2025, 8:17:31 PM
44.395 USD
0 (-0.01%)
After Hours: 11/5/2025, 8:17:31 PM
NSSC Ownership Chart.NSSC Ownership Chart: showing Insider, Institutional ownership and shares available to the public.NSSC Ownership.InsiderInstitutionalPublic



Shares Outstanding35.66M
Float34.07M
Float Short Interest Percentage7.41%
Owners (insider)4.45%
Owners (institutional)92.04%
Owners (insider) change0.03%
Owners (institutional) change-0.85%
NSSC Institutional Ownership HistoryNSSC Institutional Ownership HistoryNSSC Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 10M 20M 30M
NSSC Historical Insider Transactions ChartNSSC Historical Insider Buy and Sell Transactions ChartNSSC Historical Insider Transactions Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 0 2K -2K 4K -4K
Date Name Type Shares Price Amount
Sep 17, 2025 CARRIERI MICHAEL Option Excercise 12000 23.24 $ 278,830.00
Sep 17, 2025 CARRIERI MICHAEL Option Excercise 6576 42.40 $ 278,822.40
Jun 6, 2025 Spinelli Stephen M Open Market Sale 5000 29.16 $ 145,812.50