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| Keyboard |
| Ambiq Micro Inc | |
|---|---|
| Ticker | AMBQ |
| CIK # | 0001500412 |
| CUSIP | 023193105 |
| Sector | Manufacturing - Semiconductors & Related Devices |
| Address | 6500 River Place Boulevard Building 7, Suite 200, Austin, TX 78730 |
| Source | [EDGAR] |
| Reg D Offering (Form D) | Filed | Raised | Terms |
|---|---|---|---|
| Ambiq Micro Inc | 2024-09-27 | 0.3 M | Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0001500412] | 10-K | |
| [0001500412] | 10-Q | |
| [0001500412] | 3 | |
| [0001500412] | 4 | |
| [0001500412] | 8-K | |
| [0001500412] | D | |
| [0001500412] | SC 13G |
| Form 13D/13G Filer | Form 13D/13G Subject | Filed | % Owned |
|---|---|---|---|
| T Rowe Price Investment Management Inc | Ambiq Micro Inc | [2026-05-15] | 0.0 |
| Kleiner Perkins Caufield & Byers XVI LLC | Ambiq Micro Inc | [2025-11-03] | 0.0 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Winzeler Jeffrey G
Common Stock
|
2026-03-06 | Grant | 41,728 | $0.00 | |
|
Chen Sean Chihhsiang
Common Stock
|
2026-03-06 | Grant | 64,246 | $0.00 | |
|
Connors Michele Kim
Common Stock
|
2026-03-06 | Grant | 32,123 | $0.00 | |
|
Hanson Scott McLean
Common Stock
|
2026-03-06 | Grant | 80,308 | $0.00 | |
|
Esaka Fumihide
Common Stock
|
2026-03-06 | Grant | 160,616 | $0.00 | |
|
HSIEH Wen Hsuan
Warrant (Right to Buy) · derivative
|
2026-02-18 | Option exercise | 238,931 | $0.00 | |
|
HSIEH Wen Hsuan
Common Stock
|
2026-02-18 | Option exercise | 238,931 | $12.60 | 3,010,531 |
|
Tautges Joseph A
Common Stock
|
2026-01-26 | Sell | 7,800 | $31.00 | 241,800 |
|
Hanson Scott McLean
Common Stock
|
2026-01-26 | Sell | 10,000 | $31.00 | 310,000 |
|
Connors Michele Kim
Common Stock
|
2026-01-05 | Grant | 23,759 | $0.00 | |
|
Connors Michele Kim
Common Stock
|
2026-01-05 | Grant | 5,483 | $0.00 | |
|
Esaka Fumihide
Stock Option (Right to Buy) · derivative
|
2025-10-07 | Option exercise | 53,660 | $0.00 | |
|
Esaka Fumihide
Common Stock
|
2025-10-07 | Option exercise | 53,660 | $5.88 | 315,521 |
|
Chen Sean Chihhsiang
Common Stock
|
2025-10-02 | Grant | 56,029 | $0.00 | |
|
Winzeler Jeffrey G
Common Stock
|
2025-10-02 | Grant | 52,667 | $0.00 | |
|
Hanson Scott McLean
Common Stock
|
2025-10-02 | Grant | 83,819 | $0.00 | |
|
Esaka Fumihide
Common Stock
|
2025-10-02 | Grant | 159,907 | $0.00 | |
|
Kleiner Perkins Caufield & Byers XVI LLC +1
Common Stock
|
2025-07-31 | Conversion | 194,618 | ||
|
Kleiner Perkins Caufield & Byers XVI LLC +1
Common Stock
|
2025-07-31 | Conversion | 748,046 | ||
|
Kleiner Perkins Caufield & Byers XVI LLC +1
Common Stock
|
2025-07-31 | Conversion | 98,958 | ||
| showing 20 of 30 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 97 | 9,726,912 |
| 2025-12-31 | 75 | 4,750,140 |
| 2025-09-30 | 73 | 4,548,517 |
| Form 13F Holdings | ||||
|---|---|---|---|---|
| Firm | Period | DFND | Voting | Shares |
| Wasatch Advisors LP | [2026-06-30] | SOLE | 81,559 | 81,559 |
| Moody Aldrich Partners LLC | [2026-06-30] | SOLE | 35,465 | 81,393 |
| Perpetual Ltd | [2026-06-30] | DFND | 8,671 | 8,671 |
| Versant Capital Management Inc | [2026-06-30] | SOLE | 190 | 190 |
| Farther Finance Advisors LLC | [2026-06-30] | SOLE | 0 | 139 |
| Gamma Investing LLC | [2026-06-30] | DFND | 50 | 50 |
| Hughes Financial Services LLC | [2026-06-30] | SOLE | 7 | 7 | Prev | Page 14 | Next |