Lijun Chen
CIK 2050410 · View on SEC EDGAR ↗
Insider
First SEC filing: Dec. 30, 2024 · Latest: Dec. 30, 2024
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 6 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 30, 2025 | YHC | M | 179 | — | — | 892 Direct | -16.71% | Disposed | (price as of 2026-08-20) |
| Sept. 30, 2025 | YHC | M | 179 | — | — | 537 Direct | +50.00% | Acquired | (price as of 2026-08-20) |
| June 30, 2025 | YHC | M | 179 | — | — | 1,071 Direct | -14.32% | Disposed | (price as of 2026-08-20) |
| June 30, 2025 | YHC | M | 179 | — | — | 358 Direct | +100.00% | Acquired | (price as of 2026-08-20) |
| March 31, 2025 | YHC | M | 6,250 | — | — | 43,750 Direct | -12.50% | Disposed | (price as of 2026-08-20) |
| March 31, 2025 | YHC | M | 6,250 | — | — | 6,250 Direct | — | Acquired | (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 30, 2025 | YHC | Restricted Stock Units [F1] | Common Stock (179) | $0.00 | — | 179 | Disposed |
| June 30, 2025 | YHC | Restricted Stock Units [F1] | Common Stock (179) | $0.00 | — | 179 | Disposed |
| March 31, 2025 | YHC | Restricted Stock Units [F1] | Common Stock (6,250) | $0.00 | — | 6,250 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 30, 2024 | YHC | Restricted Stock Unit (RSU)→ Common Stock (50,000) | 50,000 | Direct |