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VEECO INSTRUMENTS INC

For the period ended Sep 30, 2026. Filed Nov 4, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 4, 2026

VECO$39.60+6.5%Stored close · as of Nov 9, 2026

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Item 5. Other Information

During the fiscal quarter ended September 30, 2026, the following directors and Section 16 officers, as applicable, adopted, modified or terminated “Rule 10b5-1 trading arrangements” (as defined in Item 408 of Regulation S-K):

On August 25, 2026, John Kiernan, our Chief Financial Officer, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Kiernan’s plan covers the sale of 20,000 shares of our common stock, between November 24, 2026 and May 21, 2027. Transactions under the plan are based upon pre-established dates and a stock price threshold.

There were no “non-Rule 10b5-1 trading arrangements” (as defined in Item 408 of Regulation S-K)adopted, modified orterminated during the fiscal quarter ended September 30, 2026 by our directors and Section 16 officers. Each of the Rule

10b5-1 trading arrangements are in accordance with our Securities Trading Policy and actual sale transactions made pursuant to such trading arrangements will be disclosed publicly in Section 16 filings with the SEC in accordance with applicable securities laws, rules and regulations.

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