Filing search / Ownership / Zenith National Insurance Corp / Page 14

S-8

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19 Dec 97

Registration of securities for employees

12:00am

8-K/A

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11 Jul 97

Changes in registrant's certifying accountant

12:00am

8-K

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25 Jun 97

Other events

12:00am

S-8

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23 May 96

Registration of securities for employees

12:00am

8-K

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9 Jan 96

Acquisition or disposition of assets

12:00am