QUODD

Insider Transactions last 24 months for Transdigm Group Incorporated - NYSE: TDG

Transactions
All	Buy	Sell	Option Exercise

Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Howley W Nicholas	Director	03/20/2026	AA	Direct	COM	113	$1,214.66	$137,256.58	113
Graff Michael	Director	03/20/2026	AA	Direct	COM	30	$1,214.66	$36,439.80	1,683
Barr David	Director	03/20/2026	AA	Direct	COM	41	$1,214.66	$49,801.06	32,179
Santana Michele	Director	03/20/2026	AA	Direct	COM	30	$1,214.66	$36,439.80	771
Mccullough Gary E	Director	03/20/2026	AA	Direct	COM	37	$1,214.66	$44,942.42	952
Hennessy Sean P	Director	03/20/2026	AA	Direct	COM	41	$1,214.66	$49,801.06	33,790
Cronin Jane M.	Director	03/20/2026	AA	Direct	COM	30	$1,214.66	$36,439.80	700
Palmer Peter	Director	03/20/2026	AA	Direct	COM	30	$1,214.66	$36,439.80	4,030
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	108	$1,231.34	$132,984.88	21,548
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	521	$1,229.51	$640,572.78	21,656
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	120	$1,228.44	$147,412.32	22,177
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	38	$1,226.44	$46,604.72	22,297
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	70	$1,225.10	$85,756.80	22,335
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	10	$1,223.80	$12,237.95	22,405
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	29	$1,222.38	$35,449.01	22,415
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	40	$1,221.44	$48,857.55	22,444
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	90	$1,220.61	$109,854.75	22,484
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	49	$1,218.80	$59,721.09	22,574
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	80	$1,217.57	$97,405.90	22,623
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	188	$1,216.63	$228,727.17	22,703
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	125	$1,215.51	$151,938.39	22,891
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	552	$1,214.40	$670,350.90	23,016
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	1,159	$1,213.45	$1,406,385.88	23,568
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	2,025	$1,212.57	$2,455,457.69	24,727
Howley W Nicholas	Director	03/18/2026	DS	Indirect	COM	1,182	$1,211.46	$1,431,951.04	26,752

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Transaction Type Key First letter: A = Acquired, D = Disposed Second letter: A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security \| D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) \| E = Expiration of short derivative position \| F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. \| G = Gift \| H = Expiration (or cancellation) of long derivative position with value received \| I = Discretionary transaction in accordance with Rule 16b-3(f) \| J = Other \| L = Small acquisition under Rule 16a-6 \| M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 \| O = Exercise of out-of-the-money derivative security \| P = Open market or private purchase \| S = Open market or private sale \| U = Disposition pursuant to a tender of shares in a change of control transaction \| W = Acquisition or disposition by will or the laws of descent and distribution \| X = Exercise of in-the-money or at-the-money derivative security \| Z = Deposit into or withdrawal from voting trust		Send to Excel

Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust

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Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Howley W Nicholas	Director	03/18/2026	AM	Indirect	COM	10,132	$50.92	$515,921.44	31,680
Reiss Joel	Co-Chief Operating Officer	03/16/2026	AM	Direct	COM	3,900	$284.97	$1,111,383.00	7,500
Murphy Patrick Joseph	Co-Chief Operating Officer	02/24/2026	AM	Direct	COM	300	$347.17	$104,151.00	2,515
Murphy Patrick Joseph	Co-Chief Operating Officer	02/24/2026	AM	Direct	COM	1,160	$269.42	$312,527.20	2,215
Howley W Nicholas	Director	02/18/2026	AM	Indirect	COM	10,168	$50.92	$517,754.56	31,716
Reiss Joel	Co-Chief Operating Officer	02/17/2026	AM	Direct	COM	3,900	$284.97	$1,111,383.00	7,500
Wynne Sarah	Chief Financial Officer	02/05/2026	AM	Direct	COM	1,494	$559.78	$836,311.32	4,894
Murphy Patrick Joseph	Co-Chief Operating Officer	02/02/2026	AM	Direct	COM	290	$269.42	$78,131.80	1,345
Stein Kevin M	Director	02/02/2026	AM	Indirect	COM	23,000	$342.31	$7,873,130.00	56,158
Stein Kevin M	Director	02/02/2026	AM	Indirect	COM	25,000	$341.28	$8,532,000.00	33,158
Reiss Joel	Co-Chief Operating Officer	01/15/2026	AM	Direct	COM	3,900	$284.97	$1,111,383.00	7,500
Stein Kevin M	Director	01/14/2026	AM	Indirect	COM	7,627	$342.31	$2,610,798.37	15,785
Stein Kevin M	Director	01/08/2026	AM	Indirect	COM	17,373	$342.31	$5,946,951.63	25,531
Stein Kevin M	Director	01/05/2026	AM	Indirect	COM	7,060	$341.28	$2,409,436.80	33,158
Stein Kevin M	Director	01/05/2026	AM	Indirect	COM	17,940	$105.88	$1,899,487.20	26,098
Murphy Patrick Joseph	Co-Chief Operating Officer	01/02/2026	AM	Direct	COM	290	$269.42	$78,131.80	1,345
Reiss Joel	Co-Chief Operating Officer	12/15/2025	AM	Direct	COM	3,900	$284.97	$1,111,383.00	7,500
Small Robert J	Director	12/10/2025	AM	Direct	COM	4,700	$66.47	$312,409.00	10,325
Stein Kevin M	Director	12/04/2025	AM	Indirect	COM	17,526	$105.88	$1,855,652.88	25,684
Murphy Patrick Joseph	Co-Chief Operating Officer	12/01/2025	AM	Direct	COM	290	$269.42	$78,131.80	1,345
Stein Kevin M	Director	11/28/2025	AM	Indirect	COM	4,592	$105.88	$486,200.96	12,750
Stein Kevin M	Director	11/26/2025	AM	Indirect	COM	30	$105.88	$3,176.40	8,188
Stein Kevin M	Director	11/25/2025	AM	Indirect	COM	4,187	$105.88	$443,319.56	12,345
Stein Kevin M	Director	11/21/2025	AM	Indirect	COM	230	$105.88	$24,352.40	8,388
Stein Kevin M	Director	11/20/2025	AM	Indirect	COM	1,104	$105.88	$116,891.52	9,262