Timothy Chen
CIK 1818099 · View on SEC EDGAR ↗
Insider
First SEC filing: May 29, 2026 · Latest: June 10, 2026
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-1,767,344
+ 2 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
2 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 27, 2026 | AMBQ | S | 22,414 | $78.85 | $1,767,344 | 0 | — | — | -22.8% (price as of 2026-08-19) |
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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 29, 2026 | AMBQ | Series F-1 Convertible Preferred Stock→ Common Stock (70,592) | 70,592 | Indirect |