OSIS · Osi Systems Inc

Shares are restricted stock units issued to the Reporting Person pursuant to the OSI Systems, Inc. Amended and Restated 2012 Incentive Award Plan. Vesting and amount of shares are subject to achievement of performance targets.

Shares are restricted stock units issued to the Reporting Person pursuant to the OSI Systems, Inc. Amended and Restated 2012 Incentive Award Plan. Vesting and amount of shares are subject to achievement of performance targets.

The amount of securities beneficially owned following the reported transaction has been adjusted to reflect the addition of 122 shares that were inadvertently omitted from prior ownership reports. This adjustment corrects the reporting of the Reporting Person's beneficial ownership and does not result from a current transaction.

25% of these RSUs shall vest on each annual anniversary of the date of grant over four years, subject to the Reporting Person's continued employment with the Issuer.

Shares are restricted stock units issued to the Reporting Person pursuant to the OSI Systems, Inc. Amended and Restated 2012 Incentive Award Plan. Vesting and amount of shares are subject to achievement of performance targets.

Shares are restricted stock units issued to the Reporting Person pursuant to the OSI Systems, Inc. Amended and Restated 2012 Incentive Award Plan. Vesting and amount of shares are subject to achievement of performance targets.

Shares are restricted stock units issued to the Reporting Person pursuant to the OSI Systems, Inc. Amended and Restated 2012 Incentive Award Plan. Vesting and amount of shares are subject to achievement of performance targets.

Shares are restricted stock units issued to the Reporting Person pursuant to the OSI Systems, Inc. Amended and Restated 2012 Incentive Award Plan. Vesting and amount of shares are subject to achievement of performance targets.

Shares are restricted stock units issued to the Reporting Person pursuant to the OSI Systems, Inc. Amended and Restated 2012 Incentive Award Plan. Vesting and amount of shares are subject to achievement of performance targets.

Pursuant with a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

Pursuant with a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

Pursuant with a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

Pursuant with a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

Pursuant with a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

Pursuant with a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Pursuant to the Reporting Owner's Rule 10b5-1 Plan adopted March 12, 2025.

This transaction was executed in multiple trades at prices ranging from $278.52 to $284.76. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and price at which the transaction was effected.

Pursuant with a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

Pursuant to the Reporting Owner's Rule 10b5-1 Plan adopted March 12, 2025.

This transaction was executed in multiple trades at prices ranging from $243.41 to $256.20. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and price at which the transaction was effected.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Acquired pursuant to issuer's Employee Stock Purchase Plan.

Reflects the gift of common stock to a charitable donor advised fund

Pursuant with a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

This transaction is a gift of common stock to a charitable donor advised fund.

Victor So-Mien Sze & Angela Hsin-Chi Hsu Co-ttee Sze Trust U/T/A DTD 11/25/2014

This transaction is a gift of common stock to a charitable donor advised fund.

Shares owned by the Mehra Family Trust dated 7-12-2008.

25% of these RSUs shall vest on each annual anniversary of the date of grant over four years, subject to the Reporting Person's continued employment with the Issuer.

Pursuant with a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold.

Pursuant to the Reporting Owner's Rule 10b5-1 Plan adopted March 12, 2025.

This transaction was executed in multiple trades at prices ranging from $281.29 to $288.10. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and price at which the transaction was effected.

This transaction was executed in multiple trades at prices ranging from $283.00 to $284.00. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and price at which the transaction was effected.

This transaction was executed in multiple trades at prices ranging from $279.10 to $279.26. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and price at which the transaction was effected.

This transaction is a gift of common stock to a charitable donor advised fund.

Ballhaus Trust U/A 1/25/02 Dr. William Ballhaus Jr. and Jane K Ballhaus Trustees.

Shares are restricted stock units issued to the Reporting Person pursuant to the OSI Systems, Inc. Amended and Restated 2012 Incentive Award Plan. Vesting and amount of shares are subject to achievement of performance targets.

Pursuant to the Reporting Owner's Rule 10b5-1 Plan adopted March 12, 2025.

This transaction was executed in multiple trades at prices ranging from $243.56 to $247.86. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and price at which the transaction was effected.