X0508 4 2023-10-11 true 0000935494 NATIONAL INSTRUMENTS CORP NATI 0001192886 LE DUY LOAN T C/O NATIONAL INSTRUMENTS CORPORATION 11500 NORTH MOPAC AUSTIN TX 78759 true false Common Stock 2023-10-11 4 D 0 121775 D 3719 D Common Stock 2023-10-11 4 D 0 3719 D 0 D Represents shares of common stock of National Instruments Corporation ("NI") disposed of pursuant to the Agreement and Plan of Merger, dated April 12, 2023, by and among NI, Emerson Electric Co. and Emersub CXIV, Inc. (the "Merger Agreement"). Pursuant to the Merger Agreement, at the effective time of the merger contemplated thereby (the "Effective Time"), each share of NI common stock held by the reporting person was converted automatically into the right to receive $60.00 per share in cash (the "Merger Consideration"). Pursuant to the Merger Agreement, at the Effective Time, each award of NI restricted stock units held by the reporting person was canceled in exchange for the Merger Consideration in respect of each share of NI common stock subject to such restricted stock unit award as of immediately prior to the Effective Time. /s/ Deborah Donahue as attorney-in-fact for Duy-Loan T. Le 2023-10-11