9999999995-24-000490 EFFECT 1 20240216 20240220 20240216 SAFEGUARD SCIENTIFICS INC 0000086115 6799 05 Real Estate & Construction 231609753 PA 1231 EFFECT 33 333-86675 24650457 150 NORTH RADNOR-CHESTER ROAD SUITE F-200 RADNOR PA 19087 610 293 0600 150 NORTH RADNOR-CHESTER ROAD SUITE F-200 RADNOR PA 19087 SAFEGUARD INDUSTRIES INC 19810525 SAFEGUARD CORP 19690521 EFFECT 1 primary_doc.xml UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 NOTICE OF EFFECTIVENESS Effective Date: February 16, 2024 Accession Number: 0001104659-24-012890 Submission Type: POS AM CIK: 0000086115 Company Name: SAFEGUARD SCIENTIFICS INC File Number: 333-86675