Ming-Fu (Alan) Chiang
CIK 2055126 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 24, 2025 · Latest: Nov. 24, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 10 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
10 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 26, 2025 | NTHI | S | 1,446 | $19.13 | $27,662 | 384,180 Indirect | -0.37% | Disposed | -76.4% (price as of 2026-08-21) |
| March 26, 2025 | NTHI | S | 56,250 | $25.00 | $1,406,250 | 385,626 Indirect | -12.73% | Disposed | -82.0% (price as of 2026-08-21) |
| March 26, 2025 | NTHI | S | 1,446 | $19.13 | $27,662 | 384,180 Indirect | -0.37% | Disposed | -76.4% (price as of 2026-08-21) |
| March 26, 2025 | NTHI | S | 56,250 | $25.00 | $1,406,250 | 385,626 Indirect | -12.73% | Disposed | -82.0% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 26, 2025 | NTHI | Warrant (right to buy) | Common Stock (117,188) | $12.00 | — | 117,188 | Disposed |
| March 26, 2025 | NTHI | Warrant (right to buy) | Common Stock (117,188) | $12.00 | — | 117,188 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 24, 2025 | NTHI | Common Stock | 400,216 | Direct |
| Nov. 24, 2025 | NTHI | Common Stock | 29,309 | Indirect |
| Nov. 24, 2025 | NTHI | Common Stock | 888,148 | Indirect |
| Nov. 24, 2025 | NTHI | Common Stock | 384,180 | Indirect |
| Nov. 24, 2025 | NTHI | Common Stock | 488,196 | Indirect |
| March 25, 2025 | NTHI | Common Stock | 340,216 | Direct |
| March 25, 2025 | NTHI | Common Stock | 488,196 | Indirect |
| March 25, 2025 | NTHI | Common Stock | 330,681 | Indirect |
| March 25, 2025 | NTHI | Common Stock | 29,309 | Indirect |
| March 25, 2025 | NTHI | Common Stock | 888,148 | Indirect |