SEC Form 4 · accession 0001079973-26-001244
PRO DEX INC · PDEX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Richard Lee Van Kirk Jr.
Officer — Chief Executive Officer · Director
Period of report
Sep 9, 2026
Accepted (ET)
Sep 10, 2026 · 8:20 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0000788920
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF2 | Sep 9, 2026 | S | 2,160 | $58.92 | D | 97,068 | D | |
| Common StockF3 | Sep 9, 2026 | S | 2,691 | $59.84 | D | 94,377 | D | |
| Common StockF4 | Sep 9, 2026 | S | 4,274 | $60.72 | D | 90,103 | D | |
| Common StockF5 | Sep 9, 2026 | S | 1,157 | $61.88 | D | 88,946 | D | |
| Common StockF6 | Sep 9, 2026 | S | 935 | $62.93 | D | 88,011 | D | |
| Common StockF7 | Sep 9, 2026 | S | 2,144 | $63.85 | D | 85,867 | D | |
| Common StockF8 | Sep 9, 2026 | S | 300 | $64.70 | D | 85,567 | D | |
| Common StockF9 | Sep 9, 2026 | S | 806 | $58.659 | D | 84,761 | D | |
| Common StockF10 | Sep 9, 2026 | S | 4,768 | $59.45 | D | 79,993 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 28, 2026.
- F10The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $59.10 to $60.02, inclusive. The reporting person undertakes to provide Pro-Dex, Inc., any security holder of Pro-Dex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (10) to this Form.
- F2The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $58.36 to $59.33, inclusive. The reporting person undertakes to provide Pro-Dex, Inc., any security holder of Pro-Dex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form.
- F3The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $59.38 to $60.24, inclusive. The reporting person undertakes to provide Pro-Dex, Inc., any security holder of Pro-Dex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (3) to this Form.
- F4The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $60.38 to $61.24, inclusive. The reporting person undertakes to provide Pro-Dex, Inc., any security holder of Pro-Dex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (4) to this Form.
- F5The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $61.49 to $62.36, inclusive. The reporting person undertakes to provide Pro-Dex, Inc., any security holder of Pro-Dex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (5) to this Form.
- F6The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $62.61 to $63.60, inclusive. The reporting person undertakes to provide Pro-Dex, Inc., any security holder of Pro-Dex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (6) to this Form.
- F7The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $63.65 to $64.46, inclusive. The reporting person undertakes to provide Pro-Dex, Inc., any security holder of Pro-Dex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (7) to this Form.
- F8The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $64.70 to $64.71, inclusive. The reporting person undertakes to provide Pro-Dex, Inc., any security holder of Pro-Dex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (8) to this Form.
- F9The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $58.04 to $59.00, inclusive. The reporting person undertakes to provide Pro-Dex, Inc., any security holder of Pro-Dex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (9) to this Form.