Lau Joan — SEC Form 4 filings
SEC reporting owner CIK 1881621. 17 Form 4 filings on record with FilingPulse; latest filed 2026-07-06.
Transaction summary — filings shown
Covers all 17 filings on record, filed 2024-02-06 to 2026-07-06. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 18.
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 |
|---|---|---|---|---|---|
| UNIVERSAL DISPLAY CORP \PA\ (OLED) | Director | 10 | — | — | 10 |
| ROCKWELL MEDICAL, INC. (RMTI) | Director | 4 | — | — | 5 |
| BRANDYWINE REALTY TRUST (BDN) | Director | 3 | — | — | 3 |
Form 4 filings — Lau Joan
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-06 | 4 | ROCKWELL MEDICAL, INC. (RMTI) | Grant/award (A): 9,633 @ $0 | EDGAR |
| 2026-07-02 | 4 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Grant/award (A): 455 @ $0 | EDGAR |
| 2026-06-01 | 4 | BRANDYWINE REALTY TRUST (BDN) | Grant/award (A): 37,582 @ $0 | EDGAR |
| 2026-04-02 | 4 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Grant/award (A): 456 @ $0 | EDGAR |
| 2026-01-05 | 4 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Grant/award (A): 341 @ $0 | EDGAR |
| 2025-10-02 | 4 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Grant/award (A): 341 @ $0 | EDGAR |
| 2025-07-02 | 4 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Grant/award (A): 342 @ $0 | EDGAR |
| 2025-05-23 | 4 | BRANDYWINE REALTY TRUST (BDN) | Grant/award (A): 27,644 @ $4.16 | EDGAR |
| 2025-05-21 | 4 | ROCKWELL MEDICAL, INC. (RMTI) | Grant/award (A): 50,000 @ $0 | EDGAR |
| 2025-04-02 | 4 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Grant/award (A): 342 @ $0 | EDGAR |
| 2025-01-03 | 4 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Grant/award (A): 314 @ $0 | EDGAR |
| 2024-10-02 | 4 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Grant/award (A): 314 @ $0 | EDGAR |
| 2024-07-02 | 4 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Grant/award (A): 314 @ $0 | EDGAR |
| 2024-05-28 | 4 | BRANDYWINE REALTY TRUST (BDN) | Grant/award (A): 25,054 @ $4.59 | EDGAR |
| 2024-05-23 | 4 | ROCKWELL MEDICAL, INC. (RMTI) | Grant/award (A): 36,111 @ $0 | EDGAR |
| 2024-04-02 | 4 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Grant/award (A): 97 @ $0 | EDGAR |
| 2024-02-06 | 4/A | ROCKWELL MEDICAL, INC. (RMTI) | Grant/award (A): 25,000 @ $0 · Grant/award (A): 25,000 (derivative) @ $0 | 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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