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AMBARELLA INC

For the period ended Jan 31, 2026. Filed Mar 23, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2026 · Filed Mar 23, 2026

AMBA$61.64+5.3%Stored close · as of Nov 9, 2026

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Item 9B. Other Information

Securities Trading Plans of Directors and Executive Officers

During our fourth quarter of fiscal year 2026, one officer adopted a “Rule 10b5-1 trading arrangement” as defined in Regulation S-K Item 408, as follows:

On January 15, 2026, John A. Young, our Chief Financial Officer, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of up to an aggregate of: (a)25,000 shares subject to an outstanding stock option plus (b) the net shares resulting from the vesting of 21,850 outstanding restricted stock units (RSUs) less shares sold to cover withholding taxes on such vested shares. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement isuntil March 31, 2027, or earlier if all transactions under the trading arrangement are completed.

No other director or officer, as defined in Rule 16a-1(f), adopted orterminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” each as defined in Regulation S-K Item 408, during the last fiscal quarter ended January 31, 2026.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.