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Filing Detail
Form 13F-HR - Quarterly report filed by institutional managers, Holdings:
SEC Accession No. 0001056827-21-000003
Filing Date
2021-04-20
Accepted
2021-04-20 12:49:25
Documents
2
Period of Report
2021-03-31
Effectiveness Date
2021-04-20

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 13F-HR  
1 primary_doc.xml 13F-HR 1964
2 13fMarch2021.html INFORMATION TABLE  
2 13fMarch2021.xml INFORMATION TABLE 31560
  Complete submission text file 0001056827-21-000003.txt   34715
Mailing Address ONE GATEWAY CENTER 420 FT. DUQUESNE BLVD. STE 1825 PITTSBURGH PA 15222
Business Address ONE GATEWAY CENTER 420 FT. DUQUESNE BLVD. STE 1825 PITTSBURGH PA 15222 4124711551
ARMSTRONG HENRY H ASSOCIATES INC (Filer) CIK: 0001056827 (see all company filings)

IRS No.: 251440756
Type: 13F-HR | Act: 34 | File No.: 028-07012 | Film No.: 21836909