Article 22 the applicant, the insured or the beneficiary shall, in good time, notify the insurer the occurrence of an insured event soon after they knew it.

第二十二条投保人、被保险人或者受益人知道保险事故发生后，应当及时通知保险人。

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Article 21 the applicant, the insured or the beneficiary shall notify the insurer in a timely manner of the occurrence of any insured event once it is known to them.

第二十一条投保人、被保险人或者受益人知道保险事故发生后，应当及时通知保险人。

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But they are insured in the unlikely event that securities held by a brokerage firm are lost or stolen.

NPR: Are Your Investments Safe?

CatEputs (short for Catastrophe Equity Put Option) are derivative contracts that give the insured the right to sell new shares at a fixed price, which the investor promises to buy in the event of a catastrophe.

ECONOMIST: Insurance