Over the last 12 months, Ambiq Micro insiders reported no purchases and 4 sales totaling $5.6M across SEC Form 4 filings.
| Date | Insider | Type | Shares | Avg price | Value | Δ stake | Marks |
|---|---|---|---|---|---|---|---|
| May 27, 2026 | Chen TimothyD | ▼ Sale | 3,264 | $81.57 | $266K | -100% | indirect |
| May 27, 2026 | Chen TimothyD | ▼ Sale | 20,666 | $80.61 | $1.7M | -86.4% | indirect |
| May 27, 2026 | Chen TimothyD | ▼ Sale | 24,248 | $79.72 | $1.9M | -50.3% | indirect |
| May 27, 2026 | Chen TimothyD | ▼ Sale | 22,414 | $78.85 | $1.8M | -31.8% | indirect |
Corporate insiders — officers, directors and 10%+ owners — must report their trades to the SEC on Form 4 within two business days. We group each filing's transactions into one economic event (a laddered 10b5-1 sale is one event, not 25 rows), flag pre-arranged plans and late filings, and link every event to its AI-scored article in the $AMBQ feed.