Insider · CIK 0001881621
Joan Lau
Files at BDN (BRANDYWINE REALTY TRUST), OLED (UNIVERSAL DISPLAY CORP \PA\), RMTI (ROCKWELL MEDICAL, INC.). First filing -, latest -.
In brief
Joan Lau files SEC Form 4 as director at BDN (BRANDYWINE REALTY TRUST), and also at OLED (UNIVERSAL DISPLAY CORP \PA\), RMTI (ROCKWELL MEDICAL, INC.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Joan Lau has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 11 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | OLED UNIVERSAL DISPLAY CORP \PA\ | AGrant or award Common Stock | +455 | $0.00 | $0 | 3,771 | 11 d ago |
| Jul 1, 2026 | RMTI ROCKWELL MEDICAL, INC. | AGrant or award Common Stock | +9,633 | $0.00 | $0 | 20,944 | Jul 6, 2026 |
| Jun 30, 2026 | OLED UNIVERSAL DISPLAY CORP \PA\ | AGrant or award Common Stock | +455 | $0.00 | $0 | 3,316 | Jul 2, 2026 |
| May 28, 2026 | BDN BRANDYWINE REALTY TRUST | AGrant or award Common Shares of Beneficial Interest | +37,582 | $0.00 | $0 | 121,445 | Jun 1, 2026 |
| Mar 31, 2026 | OLED UNIVERSAL DISPLAY CORP \PA\ | AGrant or award Common Stock | +456 | $0.00 | $0 | 2,861 | Apr 2, 2026 |
| Dec 31, 2025 | OLED UNIVERSAL DISPLAY CORP \PA\ | AGrant or award Common Stock | +341 | $0.00 | $0 | 2,405 | Jan 5, 2026 |
| Sep 30, 2025 | OLED UNIVERSAL DISPLAY CORP \PA\ | AGrant or award Common Stock | +341 | $0.00 | $0 | 2,064 | Oct 2, 2025 |
| Jun 30, 2025 | OLED UNIVERSAL DISPLAY CORP \PA\ | AGrant or award Common Stock | +342 | $0.00 | $0 | 1,723 | Jul 2, 2025 |
| May 21, 2025 | BDN BRANDYWINE REALTY TRUST | AGrant or award Common Shares of Beneficial Interest | +27,644 | $4.16 | $115k | 83,863 | May 23, 2025 |
| May 20, 2025 | RMTI ROCKWELL MEDICAL, INC. | AGrant or award Common Stock | +50,000 | $0.00 | $0 | 113,111 | May 21, 2025 |
| Mar 31, 2025 | OLED UNIVERSAL DISPLAY CORP \PA\ | AGrant or award Common Stock | +342 | $0.00 | $0 | 1,381 | Apr 2, 2025 |
Questions about Joan Lau
Answered from the filings on this page, as of the latest one.
Is Joan Lau buying or selling?
Joan Lau has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Joan Lau's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Joan Lau has 0.
Where does Joan Lau file Form 4?
Joan Lau has filed Form 4 at BDN (BRANDYWINE REALTY TRUST); OLED (UNIVERSAL DISPLAY CORP \PA\); RMTI (ROCKWELL MEDICAL, INC.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.