HEICO Corporation (HEI) has 18 known insider and institutional holders on record. The largest holder is MENDELSON LAURANS A with 1,253,127 shares. Other notable holders include MENDELSON VICTOR H and MENDELSON ERIC A.
Over the last 12 months, insiders have made 26 transactions in HEI stock — 10 buys (valued at $2.42M) and 6 sells (valued at $40.83M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
HEI Insider Ownership
Top Holder
MENDELSON LAURANS A
1,253,127 shares
Buys (12 mo)
10
$2.42M value
Sells (12 mo)
6
$40.83M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Mendelson Laurans A |
Officer, Other: Executive Chairman |
1,253,127 |
2025-07-17 |
|
| 2 |
Mendelson Victor H |
Officer, Other: Co-cob and Co-CEO |
215,911 |
2025-12-22 |
|
| 3 |
Mendelson Eric A |
Officer, Other: Co-cob and Co-CEO |
115,313 |
2025-11-04 |
|
| 4 |
Macau Carlos L |
EVP-CFO & Treasurer |
57,656 |
2025-11-04 |
|
| 5 |
Irwin Thomas S |
Sr Exec VP |
37,013 |
2024-08-29 |
|
| 6 |
Henriques Adolfo |
Director |
24,069 |
2025-10-14 |
|
| 7 |
Culligan Thomas M |
Director |
11,030 |
2025-10-14 |
|
| 8 |
Walker Steven M |
Chief Accounting Officer |
6,700 |
2023-06-12 |
|
| 9 |
Cheruvatath Nandakumar |
Director |
4,146 |
2026-03-05 |
|
| 10 |
Higginbottom Samuel L |
Director |
3,951 |
2016-09-09 |
|
| 11 |
Quain Mitchell I |
Director |
1,523 |
2010-09-24 |
|
| 12 |
Schwitter Frank J |
Director |
1,500 |
2025-06-05 |
|
| 13 |
Mayrhuber Wolfgang |
Director |
1,313 |
2018-10-10 |
|
| 14 |
Hildebrandt Mark H |
Director |
1,181 |
2025-10-23 |
|
| 15 |
Harlow William S |
VP-acquisitions |
832 |
2015-02-11 |
|
| 16 |
Neitzel Julie |
Director |
676 |
2025-10-14 |
|
| 17 |
Fine Carol F. |
Director |
672 |
2025-10-14 |
|
| 18 |
Schriesheim Alan |
Director |
672 |
2025-10-14 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-04 |
Cheruvatath Nandakumar |
Director |
Informative Buy |
4,082 |
$244.95 |
$999.9K |
| 2025-12-18 |
Cheruvatath Nandakumar |
Director |
Unknown |
- |
- |
- |
| 2025-12-19 |
Mendelson Victor H |
Officer, Other: Co-cob and Co-CEO |
Gift (Given) |
2,660 |
- |
- |
| 2025-10-31 |
Macau Carlos L |
EVP-CFO & Treasurer |
Option Exercise (Sell) |
40,000 |
$38.37 |
$1.53M |
| 2025-10-31 |
Mendelson Eric A |
Officer, Other: Co-cob and Co-CEO |
Option Exercise (Sell) |
80,000 |
$44.96 |
$3.6M |
| 2025-10-31 |
Mendelson Victor H |
Officer, Other: Co-cob and Co-CEO |
Option Exercise (Sell) |
80,000 |
$44.96 |
$3.6M |
| 2025-10-21 |
Hildebrandt Mark H |
Director |
Informative Buy |
400 |
$248.76 |
$99.5K |
| 2025-10-10 |
Fine Carol F. |
Director |
Informative Buy |
672 |
$243.93 |
$163.92K |
| 2025-10-10 |
Neitzel Julie |
Director |
Informative Buy |
676 |
$243.93 |
$164.9K |
| 2025-10-10 |
Hildebrandt Mark H |
Director |
Informative Buy |
676 |
$243.93 |
$164.9K |
| 2025-10-10 |
Culligan Thomas M |
Director |
Informative Buy |
676 |
$243.93 |
$164.9K |
| 2025-10-10 |
Schriesheim Alan |
Director |
Informative Buy |
672 |
$243.93 |
$163.92K |
| 2025-10-10 |
Henriques Adolfo |
Director |
Informative Buy |
676 |
$243.93 |
$164.9K |
| 2025-10-10 |
Mendelson Eric A |
Officer, Other: Co-cob and Co-CEO |
Informative Buy |
676 |
$243.93 |
$164.9K |
| 2025-10-10 |
Mendelson Victor H |
Officer, Other: Co-cob and Co-CEO |
Informative Buy |
676 |
$243.93 |
$164.9K |
| 2025-07-15 |
Mendelson Laurans A |
Officer, Other: Executive Chairman |
Informative Sell |
56,300 |
$319.45 |
$17.98M |
| 2025-06-30 |
Mendelson Victor H |
Officer, Other: Co-CEO |
Gift (Given) |
3,187 |
- |
- |
| 2025-06-23 |
Mendelson Victor H |
Officer, Other: Co-CEO |
Gift (Given) |
1,440 |
- |
- |
| 2025-06-05 |
Mendelson Laurans A |
Officer, Other: Executive Chairman |
Gift (Given) |
571 |
- |
- |
| 2025-06-03 |
Schwitter Frank J |
Director |
Informative Sell |
356 |
$299.11 |
$106.48K |
| 2025-06-03 |
Schriesheim Alan |
Director |
Informative Sell |
35,000 |
$298.36 |
$10.44M |
| 2025-04-24 |
Neitzel Julie |
Director |
Informative Sell |
700 |
$246.23 |
$172.36K |
| 2025-04-22 |
Schwitter Frank J |
Director |
Informative Sell |
600 |
$238.03 |
$142.82K |
| 2025-04-22 |
Schriesheim Alan |
Director |
Informative Sell |
50,000 |
$239.57 |
$11.98M |
| 2025-04-22 |
Mendelson Laurans A |
Officer, Other: Cob and CEO |
Gift (Given) |
210 |
- |
- |
