Alleghany Corp /De

CIK 775368 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Alleghany Corp /De.

Recent SEC filings

FiledFormAccession number
Feb 6, 2023SC 13G/A0001040188-23-000048
Nov 1, 202213F-HR0000950123-22-010648
Oct 31, 202215-12G0001193125-22-273329
Oct 24, 2022EFFECT9999999995-22-003114
Oct 24, 2022EFFECT9999999995-22-003116
Oct 24, 2022EFFECT9999999995-22-003113
Oct 24, 2022EFFECT9999999995-22-003115
Oct 21, 202240000899243-22-033964
Oct 21, 202240000899243-22-033976
Oct 21, 202240000899243-22-033983
Oct 21, 202240000899243-22-033974
Oct 21, 202240000899243-22-033968
Oct 21, 202240000899243-22-033977
Oct 21, 202240000899243-22-033972
Oct 21, 202240000899243-22-033965
Oct 21, 202240000899243-22-033987
Oct 21, 202240000899243-22-033986
Oct 21, 202240000899243-22-033980
Oct 21, 202240000899243-22-033969
Oct 19, 2022S-8 POS0001193125-22-265304
Oct 19, 2022POS AM0001193125-22-265364
Oct 19, 202225-NSE0000876661-22-000857
Oct 19, 2022S-8 POS0001193125-22-265339
Oct 19, 2022S-8 POS0001193125-22-265334
Oct 19, 2022POS AM0001193125-22-265373