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Esaka Fumihide insider trades
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Esaka Fumihide insider trades

Esaka Fumihide has filed 8 Form 4s with the SEC that we hold, all for Ambiq Micro, Inc. (AMBQ), as Chief Executive Officer, Director. Across all of them we count 0 purchases worth $0 and 21 sales worth $16.4M reported on Form 4. In the last 12 months: 0 purchases ($0) and 21 sales ($16.4M). The largest single trade was a sale of 60,000 shares of Ambiq Micro, Inc. worth $4.2M, dated 2026-05-14. Of 17 sales filed since we began reading the 10b5-1 checkbox, 14 (82%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2025-10-06 and the latest 2026-10-06.

Ambiq Micro, Inc. (AMBQ)

Chief Executive Officer, Director · 8 filings · 21 purchases and sales
Trade dateCodeSharesValue as filedFiled
2026-05-14S, sale reported on Form 460,000$4.2M2026-05-18
2026-08-14S, sale reported on Form 41,282$81.1K2026-08-18
2026-08-14S, sale reported on Form 410,718$690.2K2026-08-18
2026-08-14S, sale reported on Form 41,500$97.9K2026-08-18
2026-08-31S, sale reported on Form 45,899$335.5K2026-09-02
2026-08-31S, sale reported on Form 45,501$317.7K2026-09-02
2026-08-31S, sale reported on Form 42,100$122.9K2026-09-02
2026-08-31S, sale reported on Form 415,600$886.2K2026-09-02
2026-08-31S, sale reported on Form 413,800$796.3K2026-09-02
2026-08-31S, sale reported on Form 45,600$327.4K2026-09-02
2026-09-01S, sale reported on Form 448,973$2.8M2026-09-02
2026-09-02S, sale reported on Form 41,452$81.5K2026-09-02
2026-09-02S, sale reported on Form 49,575$543.6K2026-09-02
2026-09-11S, sale reported on Form 442,083$2.7M2026-09-15
2026-09-11S, sale reported on Form 47,917$505.6K2026-09-15
2026-09-15S, sale reported on Form 43,785$225.4K2026-09-15
2026-09-15S, sale reported on Form 49,615$582.2K2026-09-15
2026-09-15S, sale reported on Form 4100$6.1K2026-09-15
2026-10-02S, sale reported on Form 47,113$491.6K2026-10-06
2026-10-02S, sale reported on Form 48,585$599.0K2026-10-06
2026-10-02S, sale reported on Form 4862$61.9K2026-10-06
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 2078454) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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