Walter Nicholas Howley's Insider Trades & SAST Disclosures

Walter Nicholas Howley's most recent trade in Perimeter Solutions SA was a trade of 746,767 Common Stock done . Disclosure was reported to the exchange on Nov. 24, 2025.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Perimeter Soln SA
Walter Nicholas Howley Director Gift of securities by or to the insider at price $ 0.00 per share. 24 Nov 2025 746,767 606,200 - 0 Common Stock
Transdigm Group
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 50.92 per share. 17 Nov 2025 2,736 24,283 (0%) 0% 50.9 139,317 Common Stock
Transdigm Group
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 Nov 2025 2,736 28,208 - - Stock Option
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1334.89 per share. 17 Nov 2025 1,057 21,986 (0%) 0% 1334.9 1,410,975 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1331.27 per share. 17 Nov 2025 610 23,558 (0%) 0% 1331.3 812,076 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1333.69 per share. 17 Nov 2025 515 23,043 (0%) 0% 1333.7 686,850 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1328.60 per share. 17 Nov 2025 105 24,168 (0%) 0% 1328.6 139,503 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1344.78 per share. 17 Nov 2025 87 21,650 (0%) 0% 1344.8 116,996 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1347.53 per share. 17 Nov 2025 83 21,567 (0%) 0% 1347.5 111,845 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1343.82 per share. 17 Nov 2025 61 21,737 (0%) 0% 1343.8 81,973 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1342.00 per share. 17 Nov 2025 56 21,798 (0%) 0% 1342 75,152 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1338.49 per share. 17 Nov 2025 41 21,922 (0%) 0% 1338.5 54,878 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1340.94 per share. 17 Nov 2025 36 21,854 (0%) 0% 1340.9 48,274 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1339.12 per share. 17 Nov 2025 32 21,890 (0%) 0% 1339.1 42,852 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1335.61 per share. 17 Nov 2025 23 21,963 (0%) 0% 1335.6 30,719 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1348.05 per share. 17 Nov 2025 20 21,547 (0%) 0% 1348.1 26,961 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1327.90 per share. 17 Nov 2025 10 24,273 (0%) 0% 1327.9 13,279 Common Stock
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Walter Nicholas Howley Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 04 Nov 2025 518 518 - - Stock Option
Transdigm Group
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 50.92 per share. 15 Oct 2025 2,736 24,283 (0%) 0% 50.9 139,317 Common Stock
Transdigm Group
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 Oct 2025 2,736 1,881 - - Stock Option
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1296.77 per share. 15 Oct 2025 607 22,681 (0%) 0% 1296.8 787,141 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1294.88 per share. 15 Oct 2025 425 23,552 (0%) 0% 1294.9 550,324 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1291.89 per share. 15 Oct 2025 306 23,977 (0%) 0% 1291.9 395,318 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1304.34 per share. 15 Oct 2025 302 22,075 (0%) 0% 1304.3 393,910 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1295.69 per share. 15 Oct 2025 264 23,288 (0%) 0% 1295.7 342,062 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1305.66 per share. 15 Oct 2025 248 21,827 (0%) 0% 1305.7 323,803 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1308.24 per share. 15 Oct 2025 200 21,547 (0%) 0% 1308.2 261,648 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1301.24 per share. 15 Oct 2025 102 22,377 (0%) 0% 1301.2 132,726 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1299.11 per share. 15 Oct 2025 102 22,479 (0%) 0% 1299.1 132,509 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1297.80 per share. 15 Oct 2025 100 22,581 (0%) 0% 1297.8 129,780 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1306.20 per share. 15 Oct 2025 80 21,747 (0%) 0% 1306.2 104,496 Common Stock
Transdigm Group
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 Sep 2025 2,736 4,617 - - Stock Option
Transdigm Group
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 50.92 per share. 15 Sep 2025 2,736 24,283 (0%) 0% 50.9 139,317 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1286.19 per share. 15 Sep 2025 502 21,787 (0%) 0% 1286.2 645,667 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1285.07 per share. 15 Sep 2025 471 22,289 (0%) 0% 1285.1 605,268 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1278.72 per share. 15 Sep 2025 378 23,395 (0%) 0% 1278.7 483,356 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1284.10 per share. 15 Sep 2025 289 22,760 (0%) 0% 1284.1 371,105 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1277.70 per share. 15 Sep 2025 195 23,773 (0%) 0% 1277.7 249,152 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1282.68 per share. 15 Sep 2025 186 23,049 (0%) 0% 1282.7 238,578 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1276.40 per share. 15 Sep 2025 165 23,968 (0%) 0% 1276.4 210,606 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1280.74 per share. 15 Sep 2025 160 23,235 (0%) 0% 1280.7 204,918 Common Stock
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Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1287.60 per share. 15 Sep 2025 150 21,637 (0%) 0% 1287.6 193,140 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1273.90 per share. 15 Sep 2025 150 24,133 (0%) 0% 1273.9 191,085 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1288.54 per share. 15 Sep 2025 90 21,547 (0%) 0% 1288.5 115,969 Common Stock
Transdigm Group
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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 Soln 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
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
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
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
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
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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
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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
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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
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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
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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
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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
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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
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
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
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
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
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
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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
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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
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
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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
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
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
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
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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
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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
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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
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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
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
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
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
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
*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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