PDEX · Pro Dex Inc

These purchases were made pursuant to an Employee Stock Purchase Plan in exempt transactions pursuant to Rule 16b-3(c) and Rule 16b-3(d).

Represents shares withheld to satisfy tax withholding obligations of the reporting person.

Represents shares issued under a performance award agreement previously granted to the reporting person, pursuant to the Pro-Dex, Inc. 2016 Equity Incentive Plan.

Represents shares withheld to satisfy tax withholding obligations of the reporting person.

Represents shares issued under a performance award agreement previously granted to the reporting person, pursuant to the Pro-Dex, Inc. 2016 Equity Incentive Plan.

Represents shares issued under a performance award agreement previously granted to the reporting person, pursuant to the Pro-Dex, Inc. 2016 Equity Incentive Plan.

Represents shares withheld to satisfy tax withholding obligations of the reporting person.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 19, 2026.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $62.55 to $63.54, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 19, 2026.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $63.56 to $63.68, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 19, 2026.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $61.54 to $62.52, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 19, 2026.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $61.55 to $62.53, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 19, 2026.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $62.54 to $63.53, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 19, 2026.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $63.56 to $64.33, 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 (4) to this Form.

These purchases were made pursuant to an Employee Stock Purchase Plan in exempt transactions pursuant to Rule 16b-3(c) and Rule 16b-3(d).

These shares were forfeited to pay payroll taxes related to the vesting of 200 restricted shares granted on 11/20/24 under the Issuer's 2016 Equity Incentive Plan.

These shares were forfeited to pay payroll taxes related to the vesting of 200 restricted shares granted on 11/20/24 under the Issuer's 2016 Equity Incentive Plan.

Grant of restricted shares under the Issuer's 2016 Equity Incentive Plan. The shares vest in equal installments over the five years following the date of grant, subject to the Reporting Person's continued service to Pro-Dex, Inc. over the applicable vesting period.

Grant of restricted shares under the Issuer's 2016 Equity Incentive Plan. The shares vest in equal installments over the five years following the date of grant, subject to the Reporting Person's continued service to Pro-Dex, Inc. over the applicable vesting period.

Grant of restricted shares under the Issuer's 2016 Equity Incentive Plan.

Grant of restricted shares under the Issuer's 2016 Equity Incentive Plan. The shares vest in equal installments over the five years following the date of grant, subject to the Reporting Person's continued service to Pro-Dex, Inc. over the applicable vesting period.

These shares were forfeited to pay payroll taxes related to the vesting of 200 restricted shares granted on 11/20/24 under the Issuer's 2016 Equity Incentive Plan.

Grant of restricted shares under the Issuer's 2016 Equity Incentive Plan. The shares vest in equal installments over the five years following the date of grant, subject to the Reporting Person's continued service to Pro-Dex, Inc. over the applicable vesting period.

Grant of restricted shares under the Issuer's 2016 Equity Incentive Plan. The shares vest in equal installments over the five years following the date of grant, subject to the Reporting Person's continued service to Pro-Dex, Inc. over the applicable vesting period.

Grant of restricted shares under the Issuer's 2016 Equity Incentive Plan. The shares vest in equal installments over the five years following the dale of grant, subject to the Reporting Person's continued service to Pro-Dex, Inc. over the applicable vesting period.

These purchases were made pursuant to an Employee Stock Purchase Plan in exempt transactions pursuant to Rule 16b-3(c) and Rule 16b-3(d).

This constitutes the weighted average purchase price. The prices range from $55.19 to $55.00. The Reporting Persons will provide upon request by the SEC Staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

This constitutes the weighted average purchase price. The prices range from $56.20 to $55.21. The Reporting Persons will provide upon request by the Securities and Exchange Commission staff (the "SEC Staff"), the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $50.00 to $50.37, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $50.00 to $50.75, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $50.00 to $51.00, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $51.04 to $51.23, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $50.00 to $50.05, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $45.00 to $45.25, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $45.00 to $45.05, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $41.13 to $42.00, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $41.00 to $42.00, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $41.00 to $41.75, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

These purchases were made pursuant to an Employee Stock Purchase Plan in exempt transactions pursuant to Rule 16b-3(c) and Rule 16b-3(d).

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $43.00 to $43.05, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting persons on September 20, 2024.