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US INSIDER PROFILE · NON-SCORING RESEARCH
Hildebrandt Mark H
Director
Identity: SEC owner CIK matched through an unambiguous cached owner-name crosswalk · Reporting-owner CIK: 0001445233
Purchase history
- Companies traded
- 1
- Purchases · 12M
- 2
- Purchases · 24M
- 4
- Average purchase
- $157.6K
- Median purchase
- $170.0K
- Gross purchase value
- $630.4K
Companies: HEICO CORP
4 SEC accession(s) · 0 joint-owner event(s). Values are reported Form 4 transaction values in USD.
Qualifying purchase disclosures
| Published | Company | Ticker | Role | Reported value | SEC source |
|---|---|---|---|---|---|
| 2026-10-13 | HEICO CORP | HEI, HEI.A | Director | $175.1K | Open filing |
| 2025-10-23 | HEICO CORP | HEI, HEI.A | Director | $99.5K | Open filing |
| 2025-10-14 | HEICO CORP | HEI, HEI.A | Director | $164.9K | Open filing |
| 2024-10-21 | HEICO CORP | HEI, HEI.A | Director | $190.9K | Open filing |
Post-purchase outcomes
Excess return = stock return − S&P 500 ETF (SPY adjusted close) return. Returns start on the first shared trading session on or after publication.
No completed point-in-time price outcome is available yet.
Research patterns
- First purchase in 12M
- 0/3
- Large purchase ≥ $100k
- 3/4
- Cluster buying · 15D
- 4/4
- Buying the dip
- 0/—
Routine / opportunistic: Not classifiable. These labels never affect the score or ranking.
Small samples remain visible but are not scored. This research enrichment never affects US-v1.1.