Companies / Ambiq Micro, Inc. / Activity
Activity — Ambiq Micro, Inc.
23 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Feb 18, 2026 | HSIEH Wen Hsuan Director | Exercise | Common Stock | $3.01M | +239K +60.49% | 633,920 2.62% of shares | low |
| May 14, 2026 | Winzeler Jeffrey G Executive | Sell | Common Stock | $1.81M | -26K -21.53% | 94,477 0.39% of shares | medium |
| May 14, 2026 | Winzeler Jeffrey G Executive | Exercise | Common Stock | $436.8K | +26K +27.54% | 120,395 0.50% of shares | low |
| Oct 7, 2025 | Esaka Fumihide CEO | Exercise | Common Stock | $315.5K | +54K +30.33% | 230,573 0.95% of shares | low |
| Jan 26, 2026 | Hanson Scott McLean Executive | Sell | Common Stock | $310.0K | -10K -7.53% | 122,818 0.51% of shares | medium |
| Jan 26, 2026 | Tautges Joseph a Director | Sell | Common Stock | $241.8K | -8K -13.79% | 48,746 0.20% of shares | medium |
| Jun 2, 2026 | Winzeler Jeffrey G Executive | Exercise | Common Stock | $100.0K | +6K +5.93% | 106,299 0.44% of shares | low |
| May 15, 2026 | Winzeler Jeffrey G Executive | Exercise | Common Stock | $100.0K | +6K +6.31% | 100,347 0.41% of shares | low |
| May 14, 2026 | Winzeler Jeffrey G Executive | Sell | Common Stock | $5.8K | -82 -0.09% | 94,395 0.39% of shares | low |
| Mar 6, 2026 | Winzeler Jeffrey G Executive | Grant | Common Stock | $0 | +42K +79.23% | 94,395 0.39% of shares | low |
| Jun 8, 2026 | Zhang Ker Director | Grant | Common Stock | $0 | +5K +20.82% | 28,766 0.12% of shares | low |
| Mar 6, 2026 | Connors Michele Kim Executive | Grant | Common Stock | $0 | +32K +109.85% | 61,365 0.25% of shares | low |
| Mar 6, 2026 | Chen Sean Chihhsiang Executive | Grant | Common Stock | $0 | +64K +114.67% | 120,275 0.50% of shares | low |
| Mar 6, 2026 | Esaka Fumihide CEO | Grant | Common Stock | $0 | +161K +69.66% | 391,189 1.62% of shares | low |
| Mar 6, 2026 | Hanson Scott McLean Executive | Grant | Common Stock | $0 | +80K +65.39% | 203,126 0.84% of shares | low |
| Mar 6, 2026 | Winzeler Jeffrey G Executive | Grant | Common Stock | $0 | +42K +79.23% | 94,395 0.39% of shares | low |
| Jan 5, 2026 | Connors Michele Kim Executive | Grant | Common Stock | $0 | +5K +23.08% | 29,242 0.12% of shares | low |
| Jan 5, 2026 | Connors Michele Kim Executive | Grant | Common Stock | $0 | +24K | 23,759 0.10% of shares | low |
| Jun 2, 2026 | Winzeler Jeffrey G Executive | Exercise | Stock Option (Right to Buy) | — | -6K -5.37% | 104,953 0.43% of shares | low |
| May 15, 2026 | Winzeler Jeffrey G Executive | Exercise | Stock Option (Right to Buy) | — | -6K -5.09% | 110,905 0.46% of shares | low |
| May 14, 2026 | Winzeler Jeffrey G Executive | Exercise | Stock Option (Right to Buy) | — | -26K -18.20% | 116,857 0.48% of shares | low |
| Feb 18, 2026 | HSIEH Wen Hsuan Director | Exercise | Warrant (Right to Buy) | — | -239K -100.00% | 0 0.00% of shares | low |
| Oct 7, 2025 | Esaka Fumihide CEO | Exercise | Stock Option (Right to Buy) | — | -54K -100.00% | 0 0.00% of shares | low |