Form4insider filings, from the source

SEC Form 4 · accession 0001140361-18-014489

NATIONAL INSTRUMENTS CORP · NATI

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Period of report
Mar 19, 2018
Accepted (ET)
Mar 21, 2018 · 5:30 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0000935494

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF2Mar 19, 2018S67,500$51.79D7,325,037D
Common StockMar 20, 2018S75,000$52.32D7,250,037D
Common Stockholding———532,372IHeld by Truchard Foundation, Dr. Truchard is the president.

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses