Yan Yin — SEC Form 4 filings
SEC reporting owner CIK 1990397. 7 Form 4 filings on record with FilingPulse; latest filed 2025-11-21.
Transaction summary — filings shown
Covers all 7 filings on record, filed 2024-06-03 to 2025-11-21. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 2 legs across 2 filings — 10,000,000 shares, $5,000,000 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 14 legs across 5 filings — 2,477,504 shares, $3,883,477 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 0.
- Largest priced transaction: purchase of 5,000,000 shares @ $0.50 ($2,500,000) in Bio Essence Corp, filed 2024-10-11.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Bio Essence Corp (BIOE) | Chief Executive Officer, Director, 10% owner | 6 | 2 legs · 10,000,000 sh · $5,000,000 | 13 legs · 700,274 sh · $2,977,089 | — |
| Marwynn Holdings, Inc. (MWYN) | Chairman and CEO, Director, 10% owner | 1 | — | 1 leg · 1,777,230 sh · $906,387 | — |
Form 4 filings — Yan Yin
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2025-11-21 | 4 | Marwynn Holdings, Inc. (MWYN) jointly with Wang Fulai | Sale (S): 1,777,230 @ $0.51 | EDGAR |
| 2024-11-18 | 4 | Bio Essence Corp (BIOE) | Sale (S): 140,000 @ $2.48 · Sale (S): 40,000 @ $0.64 · Sale (S): 143,845 @ $0.57 | EDGAR |
| 2024-10-11 | 4/A | Bio Essence Corp (BIOE) | Purchase (P): 5,000,000 @ $0.50 | EDGAR |
| 2024-10-10 | 4/A | Bio Essence Corp (BIOE) | Sale (S): 50,000 @ $7.83 · Sale (S): 100,000 @ $8.78 · Sale (S): 73,965 @ $8.94 | EDGAR |
| 2024-10-10 | 4 | Bio Essence Corp (BIOE) | Sale (S): 50,000 @ $0.70 · Sale (S): 40,000 @ $1.67 · Sale (S): 200 @ $1.69 · Sale (S): 1,990 @ $2.35 | EDGAR |
| 2024-07-17 | 4 | Bio Essence Corp (BIOE) | Sale (S): 50,000 @ $7.83 · Sale (S): 4,065 @ $8.96 · Sale (S): 6,209 @ $9.07 | EDGAR |
| 2024-06-03 | 4 | Bio Essence Corp (BIOE) | Purchase (P): 5,000,000 @ $0.50 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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