NTRS · Northern Trust Corp · Insider Trading

Represents shares withheld to satisfy tax withholding obligations related to previously reported stock units.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents shares withheld to satisfy tax withholding obligations related to previously reported stock units.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents shares withheld to satisfy tax withholding obligations related to previously reported stock units.

Includes 19,294 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents shares withheld to satisfy tax withholding obligations related to previously reported stock units.

Includes 43,447 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents shares withheld to satisfy tax withholding obligations related to previously reported stock units.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents shares withheld to satisfy tax withholding obligations related to previously reported stock units.

Includes 13,725 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

On October 30, 2026, a trust in which the reporting person has a partial direct pecuniary interest distributed 9,280 shares of the Corporation's common stock to such trust's beneficiaries, of which 1,160 shares were distributed to the reporting person.

Includes 989 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 13,916 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

This option becomes exercisable in four equal annual installments beginning 2/21/2018.

Includes 13,916 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 13,916 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

This option becomes exercisable in four equal annual installments beginning 2/21/2018.

Price reflects the weighted average sales price from $168.00 to $168.45. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.

Includes 13,916 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Reflects 3,823 shares withheld in payment of Federal, State and Medicare taxes upon the vesting of 8,628 previously reported stock units. The remaining 4,805 shares were distributed to the reporting person as shares of common stock.

Includes 15,009 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents common stock units payable automatically on a one-for-one basis in shares of NTRS stock upon termination of service as a director.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 6,946.45 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 2,185.09 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 18,229 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Reflects 622 shares withheld in payment of Federal, State and Medicare taxes upon the vesting of 1,402 previously reported stock units. The remaining 780 shares were distributed to the reporting person as shares of common stock.

Includes 44,130 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

On July 31, 2026, a trust in which the reporting person has a partial direct pecuniary interest distributed 8,960 shares of the Corporation's common stock to such trust's beneficiaries, of which 1,120 shares were distributed to the reporting person.

Includes 989 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents common stock units payable automatically on a one-for-one basis in shares of NTRS stock upon termination of service as a director.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 6,915.63 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 2,178.90 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

The amount reported in Column 5 reflects the correction of previously reported dividend equivalent accruals. On January 1, 2026 and April 1, 2026, 1.25 shares and 1.22 shares, respectively, should have been reported instead of 2.50 shares and 2.43. The amount reported in Column 5 gives effect to those corrections.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Price reflects the weighted average sales price from $166.44 to $167.40. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.

Includes 9,461 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Price reflects the weighted average sales price from $167.48 to $168.24. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.

Includes 9,461 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 9,461 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Reflects 2,707 shares withheld in payment of Federal, State and Medicare taxes upon the vesting of 6,375 previously reported stock units. The remaining 3,668 shares were distributed to the reporting person as shares of common stock.

Includes 44,130 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 44,130 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 989 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.