CHEN THOMAS C
Director · Officer · Ten-percent owner · NTHI
As of 2026-09-16, CHEN THOMAS C has 9 Form 4 transactions on record across 1 company — 5 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-14 | NTHI | Purchase | 5,242 @ $3.81 | $20K | +27.2% of holding | 24,503 | Form 4 |
| 2026-09-11 | NTHI | Purchase | 5,556 @ $3.60 | $20K | +40.5% of holding | 19,261 | Form 4 |
| 2026-08-18 | NTHI | Purchase | 12,757 @ $5.49 | $70K | +1345.7% of holding | 13,705 | Form 4 |
| 2026-08-17 | NTHI | Purchase | 2,472 @ $4.04 | $10K | +0.4% of holding | 583,531 | Form 4 |
| 2026-08-14 | NTHI | Purchase | 33,787 @ $3.85 | $130K | +6.2% of holding | 581,059 | Form 4 |
| 2025-05-22 | NTHI | Purchase | 2,709 @ $7.38 | $20K | +0.5% of holding | 551,668 | Form 4 |
| 2025-05-21 | NTHI | Purchase | 2,759 @ $7.25 | $20K | +0.5% of holding | 548,959 | Form 4 |
| 2025-05-12 | NTHI | Purchase | 400 @ $7.00 | $3K | +0.1% of holding | 546,200 | Form 4 |
1 award / exercise / gift record — not counted as purchases
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.