TDGNYSE · Aircraft Parts & Auxiliary Equipment, NEC

TransDigm Group INC

Alert me on TDG

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Oct 17 Sale Reiss Joel Insider

1 week

Result in1 trading day

1 month

Result in17 trading days

3 months

Result in59 trading days

6 months

Result in122 trading days

Sep 17 Sale Reiss Joel Insider

1 week

+2.7%S&P +0.9%

1 month

+5.9%S&P +0.3%

3 months

Result in37 trading days

6 months

Result in100 trading days

Sep 9 Sale Rep. April McClain Delaney House

1 week

−4.5%S&P +0.6%

1 month

−1.7%S&P +3.0%

3 months

Result in32 trading days

6 months

Result in95 trading days

Aug 20 Sale Howley W Nicholas Insider

1 week

+0.5%S&P +1.1%

1 month

−6.0%S&P +1.7%

3 months

Result in18 trading days

6 months

Result in81 trading days

Aug 19 Sale Reiss Joel Insider

1 week

−1.3%S&P −0.4%

1 month

−11.2%S&P −0.7%

3 months

Result in17 trading days

6 months

Result in80 trading days

Show all 69

Aug 3 Buy Rep. April McClain Delaney House

1 week

−2.6%S&P −0.1%

1 month

−9.5%S&P −0.8%

3 months

Result in6 trading days

6 months

Result in69 trading days

Jul 22 Sale Howley W Nicholas Insider

1 week

+5.9%S&P −2.4%

1 month

−1.2%S&P +2.0%

3 months

−4.3%S&P +3.2%

6 months

Result in60 trading days

Jul 21 Buy Sen. Alan Armstrong Senate

1 week

+5.9%S&P −2.4%

1 month

−1.2%S&P +2.0%

3 months

−4.3%S&P +3.2%

6 months

Result in60 trading days

Jul 18 Sale Reiss Joel Insider

1 week

+6.8%S&P −0.4%

1 month

+2.4%S&P +3.4%

3 months

−5.4%S&P +3.1%

6 months

Result in58 trading days

Jul 18 Sale Reiss Joel Insider

1 week

+6.8%S&P −0.4%

1 month

+2.4%S&P +3.4%

3 months

−5.4%S&P +3.1%

6 months

Result in58 trading days

Jun 23 Sale Howley W Nicholas Insider

1 week

+2.6%S&P +1.8%

1 month

−6.5%S&P +0.6%

3 months

−14.3%S&P +5.7%

6 months

Result in40 trading days

Jun 23 Sale Howley W Nicholas Insider

1 week

+2.6%S&P +1.8%

1 month

−6.5%S&P +0.6%

3 months

−14.3%S&P +5.7%

6 months

Result in40 trading days

Jun 23 Sale Howley W Nicholas Insider

1 week

+2.6%S&P +1.8%

1 month

−6.5%S&P +0.6%

3 months

−14.3%S&P +5.7%

6 months

Result in40 trading days

Jun 17 Sale Reiss Joel Insider

1 week

+1.2%S&P −0.6%

1 month

−8.5%S&P +0.4%

3 months

−18.3%S&P +3.2%

6 months

Result in37 trading days

Jun 5 Buy Rep. April McClain Delaney House

1 week

+5.9%S&P +2.1%

1 month

+7.4%S&P +1.9%

3 months

−5.1%S&P +3.9%

6 months

Result in30 trading days

May 20 Sale Howley W Nicholas Insider

1 week

+5.6%S&P +1.8%

1 month

+8.2%S&P +0.7%

3 months

−1.5%S&P +3.1%

6 months

Result in18 trading days

May 19 Sale Reiss Joel Insider

1 week

+5.2%S&P +2.3%

1 month

+12.7%S&P +2.0%

3 months

+3.7%S&P +5.1%

6 months

Result in17 trading days

May 6 Buy Rep. April McClain Delaney House

1 week

−5.1%S&P +2.3%

1 month

−2.9%S&P +1.0%

3 months

−1.3%S&P +6.0%

6 months

Result in9 trading days

Apr 22 Sale Howley W Nicholas Insider

1 week

−3.8%S&P +0.1%

1 month

+1.8%S&P +4.4%

3 months

+2.2%S&P +4.1%

6 months

−4.9%S&P +9.2%

Apr 17 Sale Reiss Joel Insider

1 week

−9.3%S&P +0.5%

1 month

−6.6%S&P +4.0%

3 months

−4.8%S&P +4.8%

6 months

−10.0%S&P +8.0%

Apr 7 Buy Rep. Gilbert Cisneros House

1 week

+4.5%S&P +3.5%

1 month

+1.8%S&P +8.2%

3 months

+6.2%S&P +11.5%

6 months

−10.1%S&P +15.6%

Apr 7 Sale Rep. Gilbert Cisneros House

1 week

+4.5%S&P +3.5%

1 month

+1.8%S&P +8.2%

3 months

+6.2%S&P +11.5%

6 months

−10.1%S&P +15.6%

Mar 20 Sale Howley W Nicholas Insider

1 week

−3.2%S&P −2.2%

1 month

+2.4%S&P +8.6%

3 months

+10.1%S&P +15.1%

6 months

−5.8%S&P +19.9%

Mar 18 Sale Reiss Joel Insider

1 week

−3.6%S&P −0.4%

1 month

+5.5%S&P +7.7%

3 months

+9.7%S&P +12.3%

6 months

−10.3%S&P +15.9%

Feb 28 Buy SMALL ROBERT J Insider

1 week

−2.9%S&P −1.2%

1 month

−12.0%S&P −5.0%

3 months

−5.9%S&P +10.8%

6 months

−11.0%S&P +12.3%

Feb 21 Sale Howley W Nicholas Insider

1 week

+1.6%S&P +0.6%

1 month

−10.3%S&P −4.0%

3 months

−6.4%S&P +9.6%

6 months

−7.5%S&P +12.5%

Feb 19 Sale Reiss Joel Insider

1 week

−1.2%S&P +0.7%

1 month

−11.5%S&P −5.0%

3 months

−9.9%S&P +8.6%

6 months

−11.3%S&P +12.0%

Feb 13 Buy Rep. Gilbert Cisneros House

1 week

−0.6%S&P +0.7%

1 month

−7.8%S&P −3.1%

3 months

−9.2%S&P +8.5%

6 months

−5.2%S&P +13.0%

Feb 10 Buy Lisman Michael Insider

1 week

+0.3%S&P −0.8%

1 month

−6.6%S&P −3.8%

3 months

−9.2%S&P +7.0%

6 months

−5.8%S&P +12.2%

Feb 4 Sale Stein Kevin M Insider

1 week

+4.9%S&P +0.8%

1 month

+2.4%S&P −2.0%

3 months

−2.5%S&P +7.2%

6 months

−0.2%S&P +12.6%

Feb 4 Sale Murphy Patrick Joseph Insider

1 week

+4.9%S&P +0.8%

1 month

+2.4%S&P −2.0%

3 months

−2.5%S&P +7.2%

6 months

−0.2%S&P +12.6%

Feb 4 Sale Stein Kevin M Insider

1 week

+4.9%S&P +0.8%

1 month

+2.4%S&P −2.0%

3 months

−2.5%S&P +7.2%

6 months

−0.2%S&P +12.6%

Jan 17 Sale Reiss Joel Insider

1 week

−1.5%S&P +2.6%

1 month

−8.2%S&P +1.0%

3 months

−16.8%S&P +4.2%

6 months

−17.5%S&P +10.9%

Jan 17 Sale Stein Kevin M Insider

1 week

−1.5%S&P +2.6%

1 month

−8.2%S&P +1.0%

3 months

−16.8%S&P +4.2%

6 months

−17.5%S&P +10.9%

Jan 12 Sale Rep. Gilbert Cisneros House

1 week

+4.9%S&P −1.2%

1 month

−6.2%S&P −1.8%

3 months

−7.8%S&P +1.2%

6 months

−10.9%S&P +8.8%

Jan 10 Sale Stein Kevin M Insider

1 week

+4.5%S&P −2.5%

1 month

−4.3%S&P −0.5%

3 months

−6.5%S&P +0.2%

6 months

−11.1%S&P +9.2%

Jan 7 Sale Stein Kevin M Insider

1 week

+2.8%S&P +0.1%

1 month

−7.2%S&P +0.2%

3 months

−11.5%S&P −1.1%

6 months

−6.8%S&P +10.1%

Jan 6 Sale Murphy Patrick Joseph Insider

1 week

−0.2%S&P +0.3%

1 month

−8.8%S&P −2.1%

3 months

−11.9%S&P −2.0%

6 months

−6.4%S&P +9.2%

Dec 17, 2025 Sale Reiss Joel Insider

1 week

+4.1%S&P +3.1%

1 month

+14.8%S&P +1.2%

3 months

−6.7%S&P −2.8%

6 months

+2.7%S&P +11.8%

Dec 15, 2025 Buy Rep. Gilbert Cisneros House

1 week

+3.5%S&P +1.6%

1 month

+14.1%S&P +2.2%

3 months

−6.2%S&P −2.5%

6 months

+4.5%S&P +10.9%

Dec 12, 2025 Sale SMALL ROBERT J Insider

1 week

−1.4%S&P +0.1%

1 month

+10.0%S&P +1.6%

3 months

−4.8%S&P −1.3%

6 months

+0.5%S&P +10.7%

Dec 10, 2025 Sale SMALL ROBERT J Insider

1 week

−3.2%S&P −2.4%

1 month

+6.4%S&P +1.4%

3 months

−6.8%S&P −3.4%

6 months

−3.6%S&P +8.5%

Dec 6, 2025 Sale Stein Kevin M Insider

1 week

−4.1%S&P −0.4%

1 month

+2.2%S&P +1.2%

3 months

−6.6%S&P −0.8%

6 months

−10.0%S&P +6.7%

Dec 3, 2025 Sale Murphy Patrick Joseph Insider

1 week

−2.6%S&P +0.5%

1 month

+2.3%S&P +0.9%

3 months

−3.2%S&P −1.4%

6 months

−7.4%S&P +8.5%

Dec 2, 2025 Sale Stein Kevin M Insider

1 week

−1.9%S&P +0.2%

1 month

+1.1%S&P +0.5%

3 months

−3.6%S&P +0.3%

6 months

−8.6%S&P +11.7%

Nov 27, 2025 Sale Stein Kevin M Insider

1 week

−1.0%S&P +0.3%

1 month

−3.2%S&P +0.8%

3 months

−2.5%S&P −0.2%

6 months

−8.3%S&P +11.8%

Nov 25, 2025 Sale Stein Kevin M Insider

1 week

−1.1%S&P +1.3%

1 month

−3.2%S&P +2.6%

3 months

−3.7%S&P +1.9%

6 months

−7.0%S&P +12.7%

Nov 22, 2025 Sale Stein Kevin M Insider

1 week

+0.6%S&P +1.9%

1 month

−1.7%S&P +3.5%

3 months

−1.6%S&P +3.4%

6 months

−5.3%S&P +13.5%

Nov 20, 2025 Sale Stein Kevin M Insider

1 week

+2.4%S&P +4.7%

1 month

−2.0%S&P +5.3%

3 months

−2.6%S&P +5.6%

6 months

−7.7%S&P +15.7%

Nov 19, 2025 Sale Reiss Joel Insider

1 week

+1.0%S&P +2.6%

1 month

−4.8%S&P +3.0%

3 months

−3.4%S&P +3.3%

6 months

−9.5%S&P +13.2%

Nov 18, 2025 Buy Rep. Gilbert Cisneros House

1 week

+1.0%S&P +2.6%

1 month

−4.8%S&P +3.0%

3 months

−3.4%S&P +3.3%

6 months

−9.5%S&P +13.2%

Nov 18, 2025 Buy Lisman Michael Insider

1 week

+0.1%S&P +2.3%

1 month

−6.5%S&P +2.5%

3 months

−0.9%S&P +4.8%

6 months

−10.5%S&P +13.2%

Nov 18, 2025 Sale Howley W Nicholas Insider

1 week

+0.1%S&P +2.3%

1 month

−6.5%S&P +2.5%

3 months

−0.9%S&P +4.8%

6 months

−10.5%S&P +13.2%

Nov 5, 2025 Sale Murphy Patrick Joseph Insider

1 week

+3.3%S&P +0.9%

1 month

+6.4%S&P +1.2%

3 months

+1.5%S&P +2.2%

6 months

−4.0%S&P +9.5%

Oct 29, 2025 Sale Murphy Patrick Joseph Insider

1 week

−3.8%S&P −1.4%

1 month

+3.4%S&P −0.6%

3 months

+8.5%S&P +1.0%

6 months

−12.3%S&P +5.4%

Oct 29, 2025 Sale Stein Kevin M Insider

1 week

−3.8%S&P −1.4%

1 month

+3.4%S&P −0.6%

3 months

+8.5%S&P +1.0%

6 months

−12.3%S&P +5.4%

Oct 22, 2025 Sale Reiss Joel Insider

1 week

+0.1%S&P +2.9%

1 month

+1.0%S&P −2.3%

3 months

+8.0%S&P +3.5%

6 months

−12.6%S&P +7.5%

Oct 16, 2025 Sale Howley W Nicholas Insider

1 week

+8.1%S&P +1.7%

1 month

+7.3%S&P +1.7%

3 months

+16.1%S&P +5.0%

6 months

+2.0%S&P +7.9%

Oct 10, 2025 Sale Rep. Valerie Hoyle House

1 week

+0.7%S&P +1.2%

1 month

+0.1%S&P +3.0%

3 months

+6.9%S&P +4.9%

6 months

−1.4%S&P +6.2%

Sep 25, 2025 Sale Reiss Joel Insider

1 week

−0.5%S&P +1.7%

1 month

+5.4%S&P +2.9%

3 months

+1.8%S&P +5.2%

6 months

−11.6%S&P −3.1%

Sep 17, 2025 Sale SMALL ROBERT J Insider

1 week

+1.9%S&P +0.6%

1 month

−2.1%S&P +0.5%

3 months

−0.4%S&P +3.3%

6 months

−6.6%S&P +0.7%

Sep 17, 2025 Sale Howley W Nicholas Insider

1 week

+1.9%S&P +0.6%

1 month

−2.1%S&P +0.5%

3 months

−0.4%S&P +3.3%

6 months

−6.6%S&P +0.7%

Sep 12, 2025 Buy Rep. Valerie Hoyle House

1 week

+0.6%S&P +1.2%

1 month

+1.9%S&P +0.5%

3 months

+0.5%S&P +3.4%

6 months

−4.3%S&P +2.1%

Jun 22, 2025 Sale Rep. Jefferson Shreve House

1 week

+3.4%S&P +2.9%

1 month

+8.6%S&P +5.7%

3 months

−5.9%S&P +11.4%

6 months

−7.2%S&P +14.0%

May 8, 2025 Buy Rep. Jefferson Shreve House

1 week

+3.6%S&P +5.3%

1 month

+4.3%S&P +6.9%

3 months

+2.6%S&P +13.0%

6 months

0.0%S&P +19.6%

Apr 11, 2025 Buy Rep. Jefferson Shreve House

1 week

−2.2%S&P −2.2%

1 month

+4.0%S&P +9.0%

3 months

+17.8%S&P +16.1%

6 months

+4.9%S&P +23.5%

Mar 6, 2025 Sale Rep. Josh Gottheimer House

1 week

+0.4%S&P −2.3%

1 month

−6.9%S&P −12.2%

3 months

+9.3%S&P +4.3%

6 months

+3.0%S&P +13.3%

Feb 13, 2025 Sale Rep. Rob Bresnahan House

1 week

−0.1%S&P −2.0%

1 month

+2.1%S&P −8.0%

3 months

+8.3%S&P −2.2%

6 months

+5.8%S&P +6.1%

Feb 10, 2025 Sale Rep. Josh Gottheimer House

1 week

−1.4%S&P +1.3%

1 month

−2.3%S&P −8.9%

3 months

+4.0%S&P −2.8%

6 months

+4.7%S&P +7.2%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for TDG

149 held · newest 5149 held · newest 2

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See all 149 filings for TDG

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Mar 31, 2026 Schedule 13G, amended

Capital World Investors: 8.3%, 4,705,728 shares

Mar 31, 2026 Schedule 13G, amended

Capital International Investors: 9.9%, 5,578,637 shares

Mar 31, 2026 Schedule 13G

Capital Research Global Investors: 5.6%, 3,146,345 shares

Mar 31, 2026 Schedule 13G

Vanguard Capital Management: 7.5%, 4,224,820 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

Mar 3, 2026 Department of the Army $71.2M FMS CONTRACT ACTION REPORT FOR THE MANUFACTURE, PRODUCTION, AND DELIVERY OF THE MODULAR ARTILLERY CHARGE SYSTEM (MACS) M231/M232-SERIES (M232A2) COMBUSTIBLE CASE ASSEMBLIES.

1 award, $71.2M in the last 12 monthsOriginal awards ↗

Lobbying

Last four quarters

$110KQ4 2025

$200KQ1 2026

$330KQ2 2026

$310KQ3 2026

Down 6 percent from Q2 2026. Reported to the Senate each quarter by the firms it hires.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 21, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.