13F-HR | SEC Filings Hub

Filing metadata

Accession number: 0001056827-21-000003
Form type: 13F-HR
Filer: ARMSTRONG HENRY H ASSOCIATES INC
CIK: CIK 1056827
Filed: Apr 20, 2021
Reporting period: Mar 31, 2021
Description: Institutional holdings

Documents

0001056827-21-000003-index.htm

Complete submission

0001056827-21-000003.txt

directory listing

Filed by

ARMSTRONG HENRY H ASSOCIATES INC