4 insiders bought NTHI within a short window (2026-04-02→2026-05-01), $617k in total — cluster score 69/100. Members see the buyers, the score breakdown and the chart.
See the cluster| Filed | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| 2026-09-15 | CHEN THOMAS Ccluster CEO | Bought | 10,798 | $3.70 | $40k |
| 2026-09-15 | GARNETT KEITHLYcluster CFO | Bought | 257 | $3.89 | $1k |
| 2026-09-15 | Heshmatpour Amir Fcluster CEO, President | Bought | 50,000 | $3.50 | $175k |
| 2026-09-14 | Heshmatpour Amir Fcluster CEO, President | Bought | 37,000 | $3.67 | $136k |
| 2026-08-20 | CHEN THOMAS Ccluster Chief Scientific Officer | Bought | 47,207 | $4.09 | $193k |
| 2026-08-20 | CHEN THOMAS Ccluster CEO | Bought | 12,757 | $5.49 | $70k |
| 2026-08-18 | CHEN THOMAS Ccluster CEO | Bought | 36,259 | $3.86 | $140k |
| 2026-08-18 | Heshmatpour Amir Fcluster CEO, President | Bought | 9,000 | $5.54 | $50k |
| 2026-08-17 | Heshmatpour Amir Fcluster CEO, President | Bought | 15,000 | $3.91 | $59k |
| 2026-05-04 | Heshmatpour Amir Fcluster President | Bought | 10,000 | $4.16 | $42k |
| 2026-04-28 | Heshmatpour Amir Fcluster President | Bought | 10,000 | $4.52 | $45k |
| 2026-04-24 | GARNETT KEITHLYcluster CFO | Bought | 300 | $5.38 | $2k |
| 2026-04-24 | Neman-Ebrahim Youshacluster Chief Clinical Officer | Bought | 500 | $4.88 | $2k |
| 2026-04-23 | Heshmatpour Amir Fcluster President | Bought | 10,000 | $4.90 | $49k |
| 2026-04-13 | SUH, DAVID JR.cluster Chief Accounting Officer | Bought | 200 | $5.00 | $1k |
| 2026-04-10 | Heshmatpour Amir Fcluster President | Bought | 10,000 | $4.90 | $49k |
| 2026-04-09 | Heshmatpour Amir Fcluster President | Bought | 15,000 | $5.47 | $82k |
| 2026-04-06 | Heshmatpour Amir Fcluster President | Bought | 25,000 | $6.14 | $153k |
| 2025-11-24 | Neman-Ebrahim Yousha Chief Clinical Officer | Bought | 1,100 | $6.69 | $7k |
| 2025-11-24 | Heshmatpour Amir F President | Bought | 30,000 | $6.16 | $185k |
| 2025-06-05 | CHIANG MING-FU (ALAN) Director | Sold | 56,250 | $25.00 | $1.4M |
| 2025-05-23 | CHEN THOMAS Ccluster CEO | Bought | 5,468 | $7.31 | $40k |
| 2025-05-23 | GARNETT KEITHLYcluster CFO | Bought | 675 | $7.29 | $5k |
| 2025-05-23 | Heshmatpour Amir Fcluster President | Bought | 2,000 | $7.39 | $15k |
| 2025-05-22 | GARNETT KEITHLYcluster CFO | Bought | 90 | $7.01 | $631 |
Showing the 25 most recent of 31 filings for NTHI in the last two years. The full history, the price chart with every buy and sell marked, and daily updates are in the members browser.
| Insider | Role | Buys | Total bought |
|---|---|---|---|
| Heshmatpour Amir F | CEO, President | 13 | $1.1M |
| CHEN THOMAS C | CEO | 6 | $486k |
| Delshad Jim | Director | 1 | $37k |
| Neman-Ebrahim Yousha | Chief Clinical Officer | 2 | $10k |
| GARNETT KEITHLY | CFO | 6 | $10k |
| SUH, DAVID JR. | Chief Accounting Officer | 1 | $1k |
Every insider buy and sell for NTHI plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.
Open the browserFree sample