Walter Nicholas Howley's Insider Trades & SAST Disclosures

Walter Nicholas Howley's most recent trade in Transdigm Group Incorporated was a trade of 2,736 Common Stock done at an average price of $140.9 . Disclosure was reported to the exchange on Aug. 15, 2025.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 140.92 per share. 15 Aug 2025 2,736 24,283 (0%) 0% 140.9 385,557 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 15 Aug 2025 2,736 7,353 - - Stock Option
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1393.99 per share. 15 Aug 2025 626 23,157 (0%) 0% 1394.0 872,635 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1398.33 per share. 15 Aug 2025 487 22,270 (0%) 0% 1398.3 680,987 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1395.60 per share. 15 Aug 2025 400 22,757 (0%) 0% 1395.6 558,242 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1392.94 per share. 15 Aug 2025 400 23,783 (0%) 0% 1392.9 557,175 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1403.52 per share. 15 Aug 2025 247 21,723 (0%) 0% 1403.5 346,669 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1402.58 per share. 15 Aug 2025 200 21,970 (0%) 0% 1402.6 280,516 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1404.94 per share. 15 Aug 2025 104 21,619 (0%) 0% 1404.9 146,114 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1399.81 per share. 15 Aug 2025 100 22,170 (0%) 0% 1399.8 139,981 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1391.77 per share. 15 Aug 2025 100 24,183 (0%) 0% 1391.8 139,177 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1406.64 per share. 15 Aug 2025 66 21,553 (0%) 0% 1406.6 92,838 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1412.67 per share. 15 Aug 2025 3 21,547 (0%) 0% 1412.7 4,238 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1407.33 per share. 15 Aug 2025 3 21,550 (0%) 0% 1407.3 4,222 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 140.92 per share. 15 Jul 2025 2,736 24,283 (0%) 0% 140.9 385,557 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 15 Jul 2025 2,736 10,089 - - Stock Option
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1568.83 per share. 15 Jul 2025 540 22,604 (0%) 0% 1568.8 847,166 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1573.95 per share. 15 Jul 2025 450 21,847 (0%) 0% 1573.9 708,277 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1566.45 per share. 15 Jul 2025 430 23,493 (0%) 0% 1566.4 673,573 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1565.34 per share. 15 Jul 2025 360 23,923 (0%) 0% 1565.3 563,524 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1567.24 per share. 15 Jul 2025 349 23,144 (0%) 0% 1567.2 546,968 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1570.85 per share. 15 Jul 2025 220 22,384 (0%) 0% 1570.9 345,588 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1575.82 per share. 15 Jul 2025 200 21,647 (0%) 0% 1575.8 315,164 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1580.10 per share. 15 Jul 2025 100 21,547 (0%) 0% 1580.1 158,010 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1573.09 per share. 15 Jul 2025 87 22,297 (0%) 0% 1573.1 136,859 Common Stock
Perimeter Solutions SA
Walter Nicholas Howley Director Other type of transaction at price $ 0.00 per share. 20 Jun 2025 746,767 1,352,967 - 0 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 140.92 per share. 16 Jun 2025 2,736 24,283 (0%) 0% 140.9 385,557 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Jun 2025 2,736 12,825 - - Stock Option
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1444.53 per share. 16 Jun 2025 1,005 22,397 (0%) 0% 1444.5 1,451,755 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1441.89 per share. 16 Jun 2025 520 23,402 (0%) 0% 1441.9 749,785 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1446.35 per share. 16 Jun 2025 300 21,867 (0%) 0% 1446.3 433,904 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1440.25 per share. 16 Jun 2025 251 23,932 (0%) 0% 1440.3 361,504 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1444.51 per share. 16 Jun 2025 230 22,167 (0%) 0% 1444.5 332,237 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1448.08 per share. 16 Jun 2025 220 21,647 (0%) 0% 1448.1 318,578 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1450.00 per share. 16 Jun 2025 100 21,547 (0%) 0% 1450 145,000 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1438.44 per share. 16 Jun 2025 100 24,183 (0%) 0% 1438.4 143,844 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1440.80 per share. 16 Jun 2025 10 23,922 (0%) 0% 1440.8 14,408 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 140.92 per share. 15 May 2025 2,736 24,283 (0%) 0% 140.9 385,557 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 15 May 2025 2,736 15,561 - - Stock Option
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1394.14 per share. 15 May 2025 642 23,291 (0%) 0% 1394.1 895,040 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1396.09 per share. 15 May 2025 474 22,455 (0%) 0% 1396.1 661,748 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1395.29 per share. 15 May 2025 362 22,929 (0%) 0% 1395.3 505,095 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1397.45 per share. 15 May 2025 358 22,097 (0%) 0% 1397.5 500,288 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1390.72 per share. 15 May 2025 350 23,933 (0%) 0% 1390.7 486,751 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1399.82 per share. 15 May 2025 282 21,547 (0%) 0% 1399.8 394,750 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1398.36 per share. 15 May 2025 268 21,829 (0%) 0% 1398.4 374,761 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 05 May 2025 49,241 18,297 - - Stock Option
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 140.92 per share. 05 May 2025 49,241 70,788 (0%) 0% 140.9 6,939,042 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1475.06 per share. 05 May 2025 38,465 32,323 (0%) 0% 1475.1 56,738,256 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1479.01 per share. 05 May 2025 8,201 22,257 (0%) 0% 1479.0 12,129,331 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1476.43 per share. 05 May 2025 1,708 30,615 (0%) 0% 1476.4 2,521,745 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1480.09 per share. 05 May 2025 710 21,547 (0%) 0% 1480.1 1,050,864 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1477.19 per share. 05 May 2025 157 30,458 (0%) 0% 1477.2 231,919 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 140.92 per share. 15 Apr 2025 5,472 27,019 (0%) 0% 140.9 771,114 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 15 Apr 2025 5,472 67,538 - - Stock Option
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1351.42 per share. 15 Apr 2025 1,616 22,146 (0%) 0% 1351.4 2,183,900 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1350.07 per share. 15 Apr 2025 1,243 23,762 (0%) 0% 1350.1 1,678,142 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1331.11 per share. 15 Apr 2025 598 26,421 (0%) 0% 1331.1 796,001 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1352.73 per share. 15 Apr 2025 447 21,699 (0%) 0% 1352.7 604,671 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1332.84 per share. 15 Apr 2025 399 26,022 (0%) 0% 1332.8 531,802 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1347.34 per share. 15 Apr 2025 390 25,005 (0%) 0% 1347.3 525,463 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1345.48 per share. 15 Apr 2025 339 25,395 (0%) 0% 1345.5 456,119 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1338.58 per share. 15 Apr 2025 189 25,734 (0%) 0% 1338.6 252,992 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1353.55 per share. 15 Apr 2025 150 21,549 (0%) 0% 1353.6 203,033 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1334.34 per share. 15 Apr 2025 77 25,945 (0%) 0% 1334.3 102,744 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1335.73 per share. 15 Apr 2025 22 25,923 (0%) 0% 1335.7 29,386 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1354.50 per share. 15 Apr 2025 2 21,547 (0%) 0% 1354.5 2,709 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 140.92 per share. 17 Mar 2025 5,472 27,019 (0%) 0% 140.9 771,114 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 17 Mar 2025 5,472 73,010 - - Stock Option
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1355.17 per share. 17 Mar 2025 900 23,736 (0%) 0% 1355.2 1,219,656 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1356.05 per share. 17 Mar 2025 823 22,913 (0%) 0% 1356.1 1,116,031 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1352.24 per share. 17 Mar 2025 771 25,527 (0%) 0% 1352.2 1,042,579 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1358.36 per share. 17 Mar 2025 611 21,847 (0%) 0% 1358.4 829,955 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1352.90 per share. 17 Mar 2025 496 25,031 (0%) 0% 1352.9 671,040 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1357.10 per share. 17 Mar 2025 455 22,458 (0%) 0% 1357.1 617,482 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1350.92 per share. 17 Mar 2025 434 26,298 (0%) 0% 1350.9 586,300 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1354.28 per share. 17 Mar 2025 395 24,636 (0%) 0% 1354.3 534,940 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1359.95 per share. 17 Mar 2025 300 21,547 (0%) 0% 1360.0 407,985 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1346.57 per share. 17 Mar 2025 242 26,733 (0%) 0% 1346.6 325,870 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1345.25 per share. 17 Mar 2025 44 26,975 (0%) 0% 1345.3 59,191 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1349.00 per share. 17 Mar 2025 1 26,732 (0%) 0% 1349 1,349 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 140.92 per share. 18 Feb 2025 5,472 27,019 (0%) 0% 140.9 771,114 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 18 Feb 2025 5,472 83,954 - - Stock Option
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1320.78 per share. 18 Feb 2025 1,430 21,751 (0%) 0% 1320.8 1,888,720 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1317.40 per share. 18 Feb 2025 1,388 23,289 (0%) 0% 1317.4 1,828,554 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1311.57 per share. 18 Feb 2025 769 25,486 (0%) 0% 1311.6 1,008,594 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1307.35 per share. 18 Feb 2025 416 26,603 (0%) 0% 1307.4 543,858 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1316.00 per share. 18 Feb 2025 400 24,677 (0%) 0% 1316 526,400 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1312.62 per share. 18 Feb 2025 359 25,127 (0%) 0% 1312.6 471,229 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1308.76 per share. 18 Feb 2025 339 26,264 (0%) 0% 1308.8 443,668 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1322.51 per share. 18 Feb 2025 204 21,547 (0%) 0% 1322.5 269,793 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1319.20 per share. 18 Feb 2025 108 23,181 (0%) 0% 1319.2 142,474 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1314.24 per share. 18 Feb 2025 50 25,077 (0%) 0% 1314.2 65,712 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1309.89 per share. 18 Feb 2025 9 26,255 (0%) 0% 1309.9 11,789 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 140.92 per share. 15 Jan 2025 5,472 27,019 (0%) 0% 140.9 771,114 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 15 Jan 2025 5,472 111,314 - - Stock Option
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1298.16 per share. 15 Jan 2025 677 23,583 (0%) 0% 1298.2 878,851 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1297.44 per share. 15 Jan 2025 644 24,260 (0%) 0% 1297.4 835,549 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1303.65 per share. 15 Jan 2025 612 22,255 (0%) 0% 1303.6 797,831 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1296.09 per share. 15 Jan 2025 608 24,904 (0%) 0% 1296.1 788,022 Common Stock
Transdigm Group Incorporated
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1305.19 per share. 15 Jan 2025 579 21,676 (0%) 0% 1305.2 755,705 Common Stock
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc  
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges
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