Corporate insider
Heshmatpour Amir F
NTHIHoldLens InsiderScore
+64
Heavy insider buying
Buys
3
$310K
Sells
0
$0
Dominant
buy
Confidence
50%
Transaction history
| Date | Action | Shares | Price | Value |
|---|---|---|---|---|
| Sep 15, 2026 | BUY | 35,000 | $3.297 | $115K |
| Sep 14, 2026 | BUY | 15,000 | $3.96 | $59K |
| Sep 11, 2026 | BUY | 37,000 | $3.6654 | $136K |
Related
All NTHI insiders
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Full 13F + InsiderScore unified signal for NTHI.
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Every tracked Form 4 across all companies, chronological.
Deep dive
Reading for your research
Optional background reading on interpreting company disclosures and investing methods. These books do not validate a signal or predict returns.
Amazon affiliate links — as an Amazon Associate, HoldLens earns from qualifying purchases and membership trials at no extra cost to you. These are books we genuinely recommend. Not investment advice; always do your own research.
Benjamin Graham
The Intelligent Investor
The foundational text. Buffett calls it 'by far the best book about investing ever written.'
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Benjamin Graham & David Dodd
Security Analysis
The deep dive behind The Intelligent Investor — how to actually read a filing and value a business.
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See the full investing reading list
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