NTHI: Congress and insider trades
Who in Congress and inside the company traded NTHI, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- NTHI is a listed stock.
- Insiders filed 16 open market buys worth $739K and 0 sells worth $0, the latest filed 2026-09-14 (14 September 2026).
- 1 cluster buy of NTHI by three or more insiders within 30 days.
- Across 9 scored buys, Insiders averaged -29.4% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to draw a conclusion.
- Data as of 2026-09-29 (29 September 2026).
Insider trades in NTHI
as of 2026-09-14| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 14 Sep 2026 | Heshmatpour Amir F | buy | 37,000 | $3.67 | $136K | n/a |
| 20 Aug 2026 | CHEN THOMAS C | buy | 12,757 | $5.49 | $70.0K | n/a |
| 18 Aug 2026 | Heshmatpour Amir F | buy | 9,000 | $5.54 | $49.9K | n/a |
| 17 Aug 2026 | Heshmatpour Amir F | buy | 3,000 | $4.37 | $13.1K | n/a |
| 17 Aug 2026 | Heshmatpour Amir F | buy | 12,000 | $3.79 | $45.5K | n/a |
| 4 May 2026 | Heshmatpour Amir F | buy | 10,000 | $4.16 | $41.6K | -35.6% |
| 28 Apr 2026 | Heshmatpour Amir F | buy | 10,000 | $4.52 | $45.2K | -23.2% |
| 24 Apr 2026 | Neman-Ebrahim Yousha | buy | 500 | $4.88 | $2.4K | -29.2% |
| 24 Apr 2026 | GARNETT KEITHLY | buy | 300 | $5.38 | $1.6K | -29.2% |
| 23 Apr 2026 | Heshmatpour Amir F | buy | 10,000 | $4.90 | $49.0K | -27.7% |
| 13 Apr 2026 | SUH, DAVID JR. | buy | 200 | $5.00 | $1.0K | -28.0% |
| 10 Apr 2026 | Heshmatpour Amir F | buy | 10,000 | $4.89 | $49.0K | -25.6% |
| 9 Apr 2026 | Heshmatpour Amir F | buy | 10,000 | $5.61 | $56.0K | -28.4% |
| 9 Apr 2026 | Heshmatpour Amir F | buy | 5,000 | $5.19 | $25.9K | -28.4% |
| 6 Apr 2026 | Heshmatpour Amir F | buy | 5,000 | $6.32 | $31.6K | -37.5% |
| 6 Apr 2026 | Heshmatpour Amir F | buy | 20,000 | $6.09 | $122K | -37.5% |
Nothing matches that search.
Cluster buys in NTHI
| Last filed | Stock | Insiders | Trades | Total value | Days spanned | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 4 May 2026 | NTHI | 4 | 11 | $425K | 28 | -35.6% |
Related pages
Frequently asked questions
Who has bought NTHI?
0 Congress buys by 0 members and 16 insider buys are on file. The tables on this page list every one.
Did buying NTHI after a disclosure beat the market?
Across 9 scored buys, Insiders averaged -29.4% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to draw a conclusion. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.