ALLEGHANY CORP /DE Form SD: Specialized disclosure report (conflict minerals)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2022-05-27: Form SD; Description SD; Document d284925dsd.htm.
- 2021-06-01: Form SD; Description SD; Document d155777dsd.htm.
- 2020-06-01: Form SD; Description FORM SD; Document d913150dsd.htm.
- 2019-05-31: Form SD; Description FORM SD; Document d756080dsd.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2022-05-27 | SD | SD | d284925dsd.htm | |
| 2021-06-01 | SD | SD | d155777dsd.htm | |
| 2020-06-01 | SD | FORM SD | d913150dsd.htm | |
| 2019-05-31 | SD | FORM SD | d756080dsd.htm | |
| 2018-05-31 | SD | FORM SD | d597265dsd.htm | |
| 2017-05-31 | SD | FORM SD | d514220dsd.htm |