Walter Nicholas Howley's Insider Trades & SAST Disclosures

Walter Nicholas Howley's most recent trade in Perimeter Solutions SA was a trade of 3,480,640 Common Stock done . Disclosure was reported to the exchange on April 23, 2026.

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. 23 Apr 2026 3,480,640 606,200 - 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 $ 0.00 per share. 20 Apr 2026 9,789 0 - - 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. 20 Apr 2026 9,789 31,336 (0%) 0% 50.9 498,456 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1262.66 per share. 20 Apr 2026 3,077 27,507 (0%) 0% 1262.7 3,885,192 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1267.14 per share. 20 Apr 2026 1,673 23,247 (0%) 0% 1267.1 2,119,920 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1266.13 per share. 20 Apr 2026 1,304 24,920 (0%) 0% 1266.1 1,651,037 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1261.64 per share. 20 Apr 2026 1,035 30,584 (0%) 0% 1261.6 1,305,800 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1268.46 per share. 20 Apr 2026 940 22,307 (0%) 0% 1268.5 1,192,350 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1264.95 per share. 20 Apr 2026 694 26,224 (0%) 0% 1264.9 877,875 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1263.81 per share. 20 Apr 2026 589 26,918 (0%) 0% 1263.8 744,385 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1270.46 per share. 20 Apr 2026 430 21,607 (0%) 0% 1270.5 546,297 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. 20 Apr 2026 343 42,228 - - Stock Option
Transdigm Group
Walter Nicholas Howley Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 66.47 per share. 20 Apr 2026 343 31,679 (0%) 0% 66.5 22,799 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1269.62 per share. 20 Apr 2026 270 22,037 (0%) 0% 1269.6 342,798 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1271.63 per share. 20 Apr 2026 60 21,547 (0%) 0% 1271.6 76,298 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1260.33 per share. 20 Apr 2026 60 31,619 (0%) 0% 1260.3 75,620 Common Stock
Perimeter Soln SA
Walter Nicholas Howley Director Gift of securities by or to the insider at price $ 0.00 per share. 01 Apr 2026 1,000,000 4,086,840 - 0 Common Stock
Transdigm Group
Walter Nicholas Howley Director Grant, award, or other acquisition of securities at price $ 1214.66 per share. 20 Mar 2026 113 113 (0%) 0% 1214.7 137,257 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. 18 Mar 2026 10,132 7,908 - - 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. 18 Mar 2026 10,132 31,679 (0%) 0% 50.9 515,921 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1212.57 per share. 18 Mar 2026 2,025 24,726 (0%) 0% 1212.6 2,455,458 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1210.39 per share. 18 Mar 2026 1,376 27,933 (0%) 0% 1210.4 1,665,496 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1209.52 per share. 18 Mar 2026 1,246 29,309 (0%) 0% 1209.5 1,507,061 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1211.46 per share. 18 Mar 2026 1,182 26,751 (0%) 0% 1211.5 1,431,951 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1213.45 per share. 18 Mar 2026 1,159 23,567 (0%) 0% 1213.4 1,406,386 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1214.40 per share. 18 Mar 2026 552 23,015 (0%) 0% 1214.4 670,351 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1229.51 per share. 18 Mar 2026 521 21,655 (0%) 0% 1229.5 640,573 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1206.05 per share. 18 Mar 2026 507 30,970 (0%) 0% 1206.0 611,466 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1208.56 per share. 18 Mar 2026 324 30,555 (0%) 0% 1208.6 391,572 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1205.42 per share. 18 Mar 2026 202 31,477 (0%) 0% 1205.4 243,494 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1216.63 per share. 18 Mar 2026 188 22,702 (0%) 0% 1216.6 228,727 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1215.50 per share. 18 Mar 2026 125 22,890 (0%) 0% 1215.5 151,938 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1228.43 per share. 18 Mar 2026 120 22,176 (0%) 0% 1228.4 147,412 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1231.34 per share. 18 Mar 2026 108 21,547 (0%) 0% 1231.3 132,985 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1207.38 per share. 18 Mar 2026 91 30,879 (0%) 0% 1207.4 109,872 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1220.61 per share. 18 Mar 2026 90 22,483 (0%) 0% 1220.6 109,855 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1217.58 per share. 18 Mar 2026 80 22,622 (0%) 0% 1217.6 97,406 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1225.10 per share. 18 Mar 2026 70 22,334 (0%) 0% 1225.1 85,757 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1218.80 per share. 18 Mar 2026 49 22,573 (0%) 0% 1218.8 59,721 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1221.45 per share. 18 Mar 2026 40 22,443 (0%) 0% 1221.5 48,858 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1226.45 per share. 18 Mar 2026 38 22,296 (0%) 0% 1226.4 46,605 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1222.38 per share. 18 Mar 2026 29 22,414 (0%) 0% 1222.4 35,449 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1223.80 per share. 18 Mar 2026 10 22,404 (0%) 0% 1223.8 12,238 Common Stock
Perimeter Soln SA
Walter Nicholas Howley Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 03 Mar 2026 5,582,492 6,188,692 - 0 Common Stock
Perimeter Soln SA
Walter Nicholas Howley Director Gift of securities by or to the insider at price $ 0.00 per share. 03 Mar 2026 1,101,852 5,086,840 - 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. 18 Feb 2026 10,168 31,715 (0%) 0% 50.9 517,755 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. 18 Feb 2026 10,168 18,040 - - Stock Option
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1311.07 per share. 18 Feb 2026 2,738 21,677 (0%) 0% 1311.1 3,589,705 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1309.22 per share. 18 Feb 2026 1,210 25,569 (0%) 0% 1309.2 1,584,161 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1310.58 per share. 18 Feb 2026 1,154 24,415 (0%) 0% 1310.6 1,512,412 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1307.23 per share. 18 Feb 2026 1,050 27,752 (0%) 0% 1307.2 1,372,590 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1308.14 per share. 18 Feb 2026 973 26,779 (0%) 0% 1308.1 1,272,818 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1299.31 per share. 18 Feb 2026 920 30,795 (0%) 0% 1299.3 1,195,362 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1304.49 per share. 18 Feb 2026 587 29,227 (0%) 0% 1304.5 765,735 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1303.64 per share. 18 Feb 2026 560 29,814 (0%) 0% 1303.6 730,037 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1306.17 per share. 18 Feb 2026 425 28,802 (0%) 0% 1306.2 555,121 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1302.42 per share. 18 Feb 2026 201 30,374 (0%) 0% 1302.4 261,787 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1301.09 per share. 18 Feb 2026 190 30,575 (0%) 0% 1301.1 247,207 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1312.04 per share. 18 Feb 2026 130 21,547 (0%) 0% 1312.0 170,565 Common Stock
Transdigm Group
Walter Nicholas Howley Director Sale of securities on an exchange or to another person at price $ 1300.33 per share. 18 Feb 2026 30 30,765 (0%) 0% 1300.3 39,010 Common Stock
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
Transdigm Group
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
*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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