The Filings Report

TransDigm Group Incorporated insider trading

TDGfinancial statementsForm 4 filings on EDGAR1,150 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at TransDigm Group Incorporated bought $0 of stock in the open market, and 2 sold $26M. Officers and directors accounted for $0 of purchases and $26M of sales. The last reported transaction was an option exercise by Reiss Joel on October 15, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 16, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

TDG daily priceSplit-adjusted prices in US dollars

Bought $0Sold $26MAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $1178.88 · H $1181.88 · L $1145.25 · C $1146.81Bought $0 (0)Sold $0 (0)
$1054$1135$1215$1296$13772026-08-04: open $1349.97, high $1359.27, low $1233.11, close $1275.052026-08-05: open $1271.51, high $1271.51, low $1234.24, close $1254.712026-08-06: open $1264.08, high $1280.17, low $1250.73, close $1262.072026-08-07: open $1272.95, high $1273.07, low $1220.42, close $1225.252026-08-10: open $1230.00, high $1234.98, low $1212.17, close $1223.482026-08-11: open $1225.00, high $1250.55, low $1221.08, close $1242.042026-08-12: open $1244.68, high $1251.06, low $1234.01, close $1235.482026-08-13: open $1242.00, high $1249.38, low $1216.67, close $1246.312026-08-14: open $1258.87, high $1261.81, low $1238.40, close $1256.902026-08-17: open $1257.00, high $1257.10, low $1232.28, close $1237.822026-08-18: open $1238.21, high $1243.18, low $1225.18, close $1233.782026-08-19: open $1235.00, high $1240.20, low $1220.35, close $1222.912026-08-20: open $1219.61, high $1221.23, low $1179.95, close $1180.402026-08-21: open $1188.04, high $1206.20, low $1185.14, close $1200.352026-08-24: open $1199.88, high $1203.71, low $1187.85, close $1199.082026-08-25: open $1211.33, high $1212.38, low $1183.74, close $1192.602026-08-26: open $1202.00, high $1225.97, low $1197.39, close $1207.062026-08-27: open $1200.51, high $1201.15, low $1182.62, close $1186.482026-08-28: open $1191.02, high $1195.51, low $1179.00, close $1185.972026-08-31: open $1180.00, high $1185.47, low $1161.25, close $1171.742026-09-01: open $1169.73, high $1182.00, low $1153.43, close $1155.762026-09-02: open $1160.74, high $1170.55, low $1152.27, close $1153.752026-09-03: open $1157.89, high $1164.12, low $1144.44, close $1157.832026-09-04: open $1151.44, high $1163.43, low $1146.50, close $1162.052026-09-08: open $1160.40, high $1163.57, low $1143.79, close $1145.142026-09-09: open $1145.00, high $1156.80, low $1124.17, close $1125.682026-09-10: open $1125.68, high $1141.57, low $1119.62, close $1126.882026-09-11: open $1138.15, high $1147.78, low $1128.67, close $1140.322026-09-14: open $1124.00, high $1131.31, low $1102.37, close $1111.222026-09-15: open $1112.93, high $1123.44, low $1082.40, close $1085.002026-09-16: open $1090.00, high $1108.37, low $1071.25, close $1080.112026-09-17: open $1094.51, high $1097.65, low $1075.41, close $1076.012026-09-18: open $1077.16, high $1090.86, low $1076.54, close $1086.052026-09-21: open $1091.30, high $1113.09, low $1088.53, close $1109.652026-09-22: open $1119.45, high $1122.47, low $1085.06, close $1112.422026-09-23: open $1110.56, high $1127.68, low $1101.93, close $1105.282026-09-24: open $1102.06, high $1115.06, low $1096.86, close $1105.282026-09-25: open $1107.99, high $1118.15, low $1100.01, close $1116.202026-09-28: open $1105.35, high $1112.45, low $1092.94, close $1109.222026-09-29: open $1107.82, high $1118.72, low $1091.01, close $1099.792026-09-30: open $1099.36, high $1099.39, low $1077.83, close $1082.602026-10-01: open $1083.26, high $1102.20, low $1080.09, close $1097.242026-10-02: open $1102.73, high $1108.44, low $1086.13, close $1090.382026-10-05: open $1087.00, high $1098.74, low $1078.00, close $1092.662026-10-06: open $1093.00, high $1110.33, low $1082.66, close $1103.332026-10-07: open $1092.01, high $1101.75, low $1082.04, close $1096.212026-10-08: open $1091.73, high $1104.51, low $1087.50, close $1089.302026-10-09: open $1090.02, high $1110.77, low $1085.00, close $1107.992026-10-12: open $1107.25, high $1129.21, low $1105.15, close $1119.942026-10-13: open $1113.01, high $1115.71, low $1091.16, close $1112.392026-10-14: open $1112.19, high $1115.42, low $1099.14, close $1109.772026-10-15: open $1118.43, high $1136.34, low $1111.95, close $1134.242026-10-16: open $1144.14, high $1158.04, low $1135.72, close $1139.342026-10-19: open $1135.00, high $1146.88, low $1127.52, close $1142.452026-10-20: open $1137.42, high $1152.70, low $1127.53, close $1143.062026-10-21: open $1148.94, high $1154.85, low $1122.51, close $1129.382026-10-22: open $1122.07, high $1144.41, low $1105.26, close $1141.742026-10-23: open $1124.81, high $1124.81, low $1082.59, close $1104.842026-10-26: open $1111.00, high $1131.15, low $1106.78, close $1129.702026-10-27: open $1126.30, high $1134.43, low $1119.12, close $1130.232026-10-28: open $1130.65, high $1151.68, low $1128.85, close $1136.532026-10-29: open $1155.83, high $1185.60, low $1147.29, close $1175.912026-10-30: open $1178.88, high $1181.88, low $1145.25, close $1146.81Insider purchases / sales · USD$20M$0−$20M2026-08-17: 0 purchases ($0), 19 sales ($5M)2026-08-18: 0 purchases ($0), 14 sales ($13M)2026-09-15: 0 purchases ($0), 27 sales ($4M)2026-10-15: 0 purchases ($0), 21 sales ($5M)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

1,150 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 15, 2026Reiss JoelCo-Chief Operating Officeroption exercise4,100$284.97$1M7,700Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-120$1112.27$22K7,680Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1100$1113.58$111K7,580Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1100$1114.82$111K7,480Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-150$1116.02$56K7,430Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-160$1117.11$67K7,370Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1100$1119.01$112K7,270Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-130$1120.30$34K7,240Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-160$1121.58$67K7,180Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1131$1123.09$147K7,049Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1306$1124.00$344K6,743Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1600$1125.00$675K6,143Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1278$1125.86$313K5,865Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1305$1127.01$344K5,560Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1120$1127.90$135K5,440Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1150$1129.38$169K5,290Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1100$1130.06$113K5,190Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1130$1131.33$147K5,060Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1210$1132.30$238K4,850Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1317$1133.89$359K4,533Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1495$1135.00$562K4,038Oct 16, 2026
Oct 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1438$1135.95$498K3,600Oct 16, 2026
Sep 18, 2026Small Robert JDirectorother0$0.00—5,677Sep 22, 2026
Sep 18, 2026Palmer PeterDirectoraward34$1085.00$37K4,064Sep 21, 2026
Sep 18, 2026Howley W NicholasDirectoraward126$1085.00$137K239Sep 21, 2026
Sep 18, 2026Krasik Irina IgorevnaDirectoraward13$1085.00$14K13Sep 21, 2026
Sep 18, 2026Small Robert JDirectoraward52$1085.00$56K5,677Sep 21, 2026
Sep 18, 2026Santana MicheleDirectoraward34$1085.00$37K805Sep 21, 2026
Sep 18, 2026Mccullough Gary EDirectoraward41$1085.00$44K993Sep 21, 2026
Sep 18, 2026Hennessy Sean PDirectoraward46$1085.00$50K33,836Sep 21, 2026
Sep 18, 2026Graff MichaelDirectoraward34$1085.00$37K1,717Sep 21, 2026
Sep 18, 2026Cronin Jane M.Directoraward34$1085.00$37K734Sep 21, 2026
Sep 18, 2026Barr DavidDirectoraward46$1085.00$50K32,225Sep 21, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeroption exercise3,900$284.97$1M7,500Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1310$1082.96$336K7,190Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1170$1083.67$184K7,020Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1240$1084.87$260K6,780Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1110$1086.27$119K6,670Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1120$1087.49$130K6,550Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-110$1088.06$11K6,540Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-170$1090.06$76K6,470Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1100$1091.00$109K6,370Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1170$1092.13$186K6,200Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1282$1093.10$308K5,918Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1383$1094.06$419K5,535Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1225$1095.11$246K5,310Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1196$1096.17$215K5,114Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1294$1097.26$323K4,820Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-1150$1098.41$165K4,670Sep 16, 2026
Sep 15, 2026Reiss JoelCo-Chief Operating Officeropen-market sale10b5-190$1099.14$99K4,580Sep 16, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Stein Kevin MPresident & CEO, DirectorFeb 2, 2026open-market sale——$186M (86)86 of 86
Small Robert JDirectorSep 18, 2026other5,677$1K (1)$128M (5)0 of 5
Howley W NicholasDirectorSep 18, 2026award239—$119M (178)112 of 178
Reiss JoelCo-Chief Operating OfficerOct 15, 2026option exercise7,700—$59M (273)255 of 273
Lisman MichaelPresident & CEO, DirectorFeb 6, 2026open-market buy3,259$4M (7)——
Murphy Patrick JosephCo-Chief Operating OfficerFeb 24, 2026option exercise2,215—$2M (4)4 of 4
Valladares III Jorge L.DirectorMay 14, 2025option exercise11,085———
Graff MichaelDirectorSep 18, 2026award1,717———
Hennessy Sean PDirectorSep 18, 2026award33,836———
Wynne SarahChief Financial OfficerFeb 5, 2026option exercise4,894———
Warren Jessica LGC, CCO, SecretaryMay 13, 2025open-market sale575———
Santana MicheleDirectorSep 18, 2026award805———
Cronin Jane M.DirectorSep 18, 2026award734———
Barr DavidDirectorSep 18, 2026award32,225———
Palmer PeterDirectorSep 18, 2026award4,064———
Mccullough Gary EDirectorSep 18, 2026award993———
Krasik Irina IgorevnaDirectorSep 18, 2026award13———

Questions

Are TransDigm Group Incorporated insiders buying or selling?

Over the twelve months to November 1, 2026, 5 insiders at TransDigm Group Incorporated sold $492M of stock in the open market, all by officers and directors, and 2 insiders bought $4M, all by officers and directors. Net, insiders sold $488M. Only open-market purchases and sales are counted.

Who sold the most TransDigm Group Incorporated stock in the last year?

Stein Kevin M (Director) sold $186M in 86 open-market sales over the twelve months to November 1, 2026.

Do TransDigm Group Incorporated executives sell under 10b5-1 plans?

457 of the 546 open-market sales in the last twelve months (84%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on TransDigm Group Incorporated

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.