Item 12. SECURITY OWNERSHIP OF BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

The information regarding security ownership of certain beneficial owners and management will be set forth under the captions “Beneficial Ownership of Equity Securities of TransDigm” and “Security Ownership of Certain Beneficial Owners” in our Proxy Statement, which is incorporated herein by reference.

Equity Compensation Plan Information

(1)Includes information related to the 2006 stock incentive plan, the 2014 stock option plan and the 2019 stock option plan.

(2)This amount represents 1,450, 3,230,926 and 759,608 shares subject to outstanding stock options under our 2006 stock incentive plan, 2014 stock option plan and 2019 stock option plan, respectively. No further grants may be made under our 2006 stock incentive plan and 2014 stock option plan, although outstanding stock options continue in force in accordance with their terms.

(3)This amount represents remaining shares available for award under our 2019 stock option plan. In August 2019, the 2019 stock option plan was adopted by the Board of Directors of TD Group and was subsequently approved by stockholders on October 3, 2019. The 2019 stock option plan permits TD Group to award stock options to our key employees, directors or consultants. The total number shares of TD Group common stock reserved for issuance or delivery under the 2019 stock option plan is 4,000,000, subject to adjustment in the event of any stock dividend or split, reorganization, recapitalization, merger, share exchange or any other similar corporate transaction or event.