TDG TransDigm Group INC

NEUTRAL Impact: 4/10 Insider Cluster (1 insider)
Horizon days Filed Mar 16, 2026 Processed 2mo ago
Insider cluster: 2 insiders, $268K total
Final — all horizons settled through T+60d
TDG ▼ -3.32% at T+60d
NEUTRAL call ✗ call lost -3.32% · α vs SPY -13.81% · entry $1,247.73 → $1,206.28
Last close $1,206.28 (close Jun 8) · -3.32% from $1,247.73 entry
Entry anchored
Mar 13, 03:59 PM ET
via Databento tick
T+1d
-1.50%
call -1.50% · α -1.77%
$1,229.06
settled 3mo ago
T+5d
-7.96%
call -7.96% · α -5.92%
$1,148.39
settled 3mo ago
T+20d
+3.60%
call +3.60% · α -0.18%
$1,292.61
settled 8w ago
T+60d
-3.32%
call -3.32% · α -13.81%
$1,206.28
settled 19h ago

Price Chart

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Executive Summary

Director Howley W Nicholas engaged in a series of transactions including a large derivative exercise and an open-market sale of shares, alongside a routine stock award. The total value of economic activity exceeds $750K, driven primarily by the derivative exercise and sale.

Key Financial Metrics

Direction
selling
Total Value
$243.5K
Insiders
1

Actionable Insight

The open-market sale is modest relative to company size and likely related to tax or diversification planning following a large option exercise. Monitor for additional selling from insiders; no immediate red flag, but watch for pattern changes.

Key Facts

  • Howley W Nicholas (Director) sold 202 shares in the open market for $243,494 on 2026-03-18
  • Same insider exercised options for 20,264 shares (two tranches of 10,132) with a total cashless exercise value of $515,921 and a cost basis of $50.92 per share
  • Received 113 shares via grant on 2026-03-20 valued at $137,257
  • All transactions occurred within a 7-day window, totaling over $750K in economic value, but primarily consisting of non-cash derivative exercises

Financial Impact

$756,671 total transaction value over 7 days, including $243,494 in open-market sales and $515,921 from option exercises. Less than 0.0012% of $66.5B market cap.

insider ownershipshare count (dilution potential)insider selling

Risk Factors

  • Perception of insider profit-taking after a large option realization
  • Potential for follow-on selling if other insiders exercise options

Market Snapshot

Exchange
NYSE

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CONTEXT: Insider Cluster Data (4 trades, 7d window)cluster-TDG-1774296619545
7 reports for TDG
Performance horizon
67% Hit rate 2 of 3 directional calls best @ T+5▲ +10.82%Apr 7, 2026
Filters
Rows
Reports for TDG — sortable, filterable
Type Now
May 19, 2026
21d ago
Insider Cluster
NEUTRAL ★ 2/10
$1,195.22 $1,261.56▲ +5.55%▲ +3.75%$1,206.28 (+0.93%)
May 5, 2026
5w ago
8-K
BULLISH ★ 8/10
$1,185.90 $1,188.34▲ +0.21%▼ −1.78%$1,206.28 (+1.72%)
Apr 17, 2026
7w ago
8-K
MIXED ★ 6/10
$1,268.73 $1,155.05▼ −8.96%▼ −9.87%$1,206.28 (−4.92%)
Apr 14, 2026
8w ago
8-K
BULLISH ★ 8/10
$1,292.61 $1,200.10▼ −7.16%▼ −8.55%$1,206.28 (−6.68%)
Apr 7, 2026
9w ago
8-K
BULLISH ★ 8/10
$1,166.42 $1,292.61▲ +10.82%▲ +5.49%$1,206.28 (+3.42%)
Mar 16, 2026
12w ago
Insider Cluster
NEUTRAL ★ 4/10
$1,247.73 $1,148.39▼ −7.96%▼ −5.92%$1,206.28 (−3.32%)
Mar 16, 2026
12w ago
Insider Cluster
NEUTRAL ★ 3/10
$1,247.73 $1,148.39▼ −7.96%▼ −5.92%$1,206.28 (−3.32%)
Showing 7 of 7

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