Joan Lau
CIK 1881621 · View on SEC EDGAR ↗
Insider
First SEC filing: March 7, 2024 · Latest: March 7, 2024
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 21 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 |
|---|---|---|---|---|---|---|---|---|---|
| July 1, 2026 | RMTI | A | 9,633 | — | — | 20,944 Direct | +85.16% | Acquired | (price as of 2026-08-20) |
| June 30, 2026 | OLED | A | 455 | — | — | 3,316 Direct | +15.90% | Acquired | (price as of 2026-08-20) |
| May 28, 2026 | BDN | A | 37,582 | — | — | 121,445 Direct | +44.81% | Acquired | (price as of 2026-08-20) |
| March 31, 2026 | OLED | A | 456 | — | — | 2,861 Direct | +18.96% | Acquired | (price as of 2026-08-20) |
| Dec. 31, 2025 | OLED | A | 341 | — | — | 2,405 Direct | +16.52% | Acquired | (price as of 2026-08-20) |
| Sept. 30, 2025 | OLED | A | 341 | — | — | 2,064 Direct | +19.79% | Acquired | (price as of 2026-08-20) |
| June 30, 2025 | OLED | A | 342 | — | — | 1,723 Direct | +24.76% | Acquired | (price as of 2026-08-20) |
| May 21, 2025 | BDN | A | 27,644 | $4.16 | $114,999 | 83,863 Direct | +49.17% | Acquired | -26.7% (price as of 2026-08-20) |
| May 20, 2025 | RMTI | A | 50,000 | — | — | 113,111 Direct | +79.23% | Acquired | (price as of 2026-08-20) |
| March 31, 2025 | OLED | A | 342 | — | — | 1,381 Direct | +32.92% | Acquired | (price as of 2026-08-20) |
| Dec. 31, 2024 | OLED | A | 314 | — | — | 1,039 Direct | +43.31% | Acquired | (price as of 2026-08-20) |
| Sept. 30, 2024 | OLED | A | 314 | — | — | 725 Direct | +76.40% | Acquired | (price as of 2026-08-20) |
| June 28, 2024 | OLED | A | 314 | — | — | 411 Direct | +323.71% | Acquired | (price as of 2026-08-20) |
| May 23, 2024 | BDN | A | 25,054 | $4.59 | $114,998 | 56,219 Direct | +80.39% | Acquired | -33.6% (price as of 2026-08-20) |
| May 21, 2024 | RMTI | A | 36,111 | — | — | 63,111 Direct | +133.74% | Acquired | (price as of 2026-08-20) |
| March 29, 2024 | OLED | A | 97 | — | — | 97 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 16, 2023 | RMTI | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 16, 2023 | RMTI | A | 25,000 | — | — | 27,000 Direct | +1250.00% | Acquired | (price as of 2026-08-20) |
| Oct. 16, 2023 | RMTI | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 16, 2023 | RMTI | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-20) |
| May 25, 2023 | BDN | A | 31,165 | — | — | 31,165 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 |
|---|---|---|---|---|---|---|---|
| Oct. 16, 2023 | RMTI | Stock Option (Right to Buy) | Common Stock (25,000) | $1.88 | Oct. 16, 2033 | 25,000 | Acquired |
| Oct. 16, 2023 | RMTI | Stock Option (Right to Buy) | Common Stock (25,000) | $1.88 | Oct. 16, 2033 | 25,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.