Reporting Manager
NEEDHAM INVESTMENT MANAGEMENT L.L.C.
Symbol
APT
Shares outstanding
10,362,903 shares
Disclosed Ownership
642,500 shares
Ownership
6.2%
Form type
SCHEDULE 13G/A
Filing time
13 Feb 2026, 18:11:19 UTC
Date of event
31 Dec 2025

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Quoteable Key Fact

"NEEDHAM INVESTMENT MANAGEMENT LLC disclosed 6.2% ownership in Alpha Pro Tech, Ltd. Common Stock, par value $0.01 per share (APT) on 31 Dec 2025."

Quick Takeaways

  • NEEDHAM INVESTMENT MANAGEMENT LLC filed SCHEDULE 13G/A for Alpha Pro Tech, Ltd. Common Stock, par value $0.01 per share (APT).
  • Disclosed ownership: 6.2%.
  • Date of event: 31 Dec 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 13 Feb 2026, 18:11.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
NEEDHAM INVESTMENT MANAGEMENT L.L.C. 6.2% 642,500 0 642,500 By: /s/ James W. Giangrasso James W. Giangrasso, Chief Financial Officer
NEEDHAM ASSET MANAGEMENT, LLC 6.2% 642,500 0 642,500 By: /s/ James W. Giangrasso James W. Giangrasso, Authorized Person
NEEDHAM AGGRESSIVE GROWTH FUND 6.2% 642,500 0 642,500 By: /s/ James W. Giangrasso James W. Giangrasso, Authorized Person
GEORGE A. NEEDHAM 6.2% 642,500 0 642,500 By: /s/ George A. Needham George A. Needham