Joan Lau

CIK 1881621 · last filed 2026-06-01

Joan Lau is a corporate insider who has filed 20 SEC Form 4 insider transactions across 4 companies since 2021. The most recent filing, for BDN, was dated Jun 1, 2026. Current disclosed insider exposure totals $725.8K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$725.8K

Companies

4

Total Filings

20

Lifetime Open-Market Net

$0

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
BDN Director 121,445 $3.24 $393.5K $0 4 2026-06-01
OLED Director 2,861 $91.46 $261.7K $0 9 2026-04-02
RMTI Director 113,111 $0.62 $70.7K $0 4 2025-05-21
Renovacor, Inc. (RCOR.WS) Delisted Director $0.07 $0 2 2022-05-27

Recent Filings

20 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-01 BDN Grant (A) +37,582 $0 EDGAR
2026-04-02 OLED Grant (A) +456 $0 EDGAR
2026-01-05 OLED Grant (A) +341 $0 EDGAR
2025-10-02 OLED Grant (A) +341 $0 EDGAR
2025-07-02 OLED Grant (A) +342 $0 EDGAR
2025-05-23 BDN Grant (A) +27,644 $115.0K EDGAR
2025-05-21 RMTI Grant (A) +50,000 $0 EDGAR
2025-04-02 OLED Grant (A) +342 $0 EDGAR
2025-01-03 OLED Grant (A) +314 $0 EDGAR
2024-10-02 OLED Grant (A) +314 $0 EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.