Insider Tracker SEC Form 4 insider trades
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HEI

HEICO CORP

Industrials Aircraft Engines & Engine Parts Market cap: $17.0B All insider activity → Quote and statistics → Sign in to watch HEI Sign in to set a price alert
68
Insider Score Band 60–79

Research score, not a recommendation.

Total bought$1.4M8 Form 4 purchases
Distinct insiders8open-market buyers
Lead insiderMENDELSON VICTOR HCEO
Cluster window2026-10-08single day · active

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

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Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders
100%
Seniority executive rank of buyers (CEO/CFO/Director)
86%
Commitment purchase size relative to company & holdings
55%
Context buying into stock weakness signals conviction
50%
Timing coordinated purchases within a tight window
100%
Routine-purchase discount × 1.00
Company-type / offering discount × 0.56
Net insider selling penalty − 0

Why are they buying?

No explanation has been generated for this cluster. The filings in the table below are the primary evidence.

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

8 Form 4 trades · 8 insiders Sign in to download CSV
Purchases in this cluster, grouped by insider, largest first
Date Insider Role Shares Price Value Flags Filing
2026-10-08 CHERUVATATH NANDAKUMAR history of CHERUVATATH NANDAKUMAR's purchases Director 795 $220.30 $175.1K
offering
SEC filing for CHERUVATATH NANDAKUMAR (opens in a new tab)
2026-10-08 HENRIQUES ADOLFO 6 purchases with a 63-day result · median -0.8% Director 795 $220.30 $175.1K
offering
SEC filing for HENRIQUES ADOLFO (opens in a new tab)
2026-10-08 SCHRIESHEIM ALAN 6 purchases with a 63-day result · median -0.8% Director 795 $220.30 $175.1K
offering
SEC filing for SCHRIESHEIM ALAN (opens in a new tab)
2026-10-08 Fine Carol F. 3 purchases with a 63-day result · median -2.2% Director 795 $220.30 $175.1K
offering
SEC filing for Fine Carol F. (opens in a new tab)
2026-10-08 Hildebrandt Mark H 11 purchases with a 63-day result · median -1.1% Director 795 $220.30 $175.1K
offering
SEC filing for Hildebrandt Mark H (opens in a new tab)
2026-10-08 CULLIGAN THOMAS M 6 purchases with a 63-day result · median -0.8% Director 795 $220.30 $175.1K
offering
SEC filing for CULLIGAN THOMAS M (opens in a new tab)
2026-10-08 MENDELSON VICTOR H 7 purchases with a 63-day result · median -1.4% CEO 795 $220.30 $175.1K
offering
SEC filing for MENDELSON VICTOR H (opens in a new tab)
2026-10-08 Neitzel Julie 7 purchases with a 63-day result · median -2.2% Director 592 $294.93 $174.6K
SEC filing for Neitzel Julie (opens in a new tab)
Total $1.4M

Other buying runs at HEI

A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.

Other insider buying runs at this company, newest first, with the return against the benchmark that followed
Window Insiders Total Score 21 days63 days126 days Status
2025-10-10 → 2025-10-21 8 $1.4M 65 -1.1%+8.4%-15.5% closed
2024-10-18 10 $1.9M 69 +4.3%-15.0%-1.4% closed
2023-06-02 → 2023-06-07 10 $414.8K 65 +6.9%+0.5%+3.1% closed
2023-01-10 10 $1.8M 71 +1.6%-2.2%-9.2% closed
2021-09-08 8 $831.1K 56 +10.1%+9.8%+20.3% closed
2020-10-12 8 $871.9K 50 +14.3%+13.3%+0.2% closed
2019-10-28 → 2019-10-29 9 $1.0M 70 +1.4%-5.3%-26.2% closed
2018-10-09 9 $1.0M 66 +5.5%+1.6%+14.5% closed
2017-09-29 → 2017-10-05 10 $1.2M 68 +2.2%+27.2%+91.7% closed