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AMBQ

Ambiq Micro, Inc.

NYSE · Technology · Semiconductors · US

$49.62
−0.52%
Ask drillr
0
Insider buys (3m)
61
Insider sells (3m)
-$22.0M
Net value (3m)
-31.5%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Oct 16, 2026Hanson Scott McLean · director, officer: Chief Technology OfficerM-Exempt7,000$8.12
Oct 16, 2026Chen Sean Chihhsiang · officer: President and COOSale200$54
Oct 16, 2026Chen Sean Chihhsiang · officer: President and COOSale4,000$53
Oct 16, 2026Chen Sean Chihhsiang · officer: President and COOSale2,000$52
Oct 16, 2026Chen Sean Chihhsiang · officer: President and COOSale1,261$52
Oct 16, 2026Chen Sean Chihhsiang · officer: President and COOSale7,539$50
Oct 16, 2026Chen Sean Chihhsiang · officer: President and COOM-Exempt15,000$8.12
Oct 16, 2026Esaka Fumihide · director, officer: Chief Executive OfficerSale1,200$52
Oct 16, 2026Esaka Fumihide · director, officer: Chief Executive OfficerSale2,800$51
Oct 16, 2026Esaka Fumihide · director, officer: Chief Executive OfficerSale500$49
Oct 16, 2026Esaka Fumihide · director, officer: Chief Executive OfficerM-Exempt5,000$8.12
Oct 16, 2026Hanson Scott McLean · director, officer: Chief Technology OfficerSale1,800$52
Oct 16, 2026Hanson Scott McLean · director, officer: Chief Technology OfficerSale3,700$51
Oct 16, 2026Hanson Scott McLean · director, officer: Chief Technology OfficerSale900$50
Oct 16, 2026Hanson Scott McLean · director, officer: Chief Technology OfficerSale600$49
Oct 6, 2026Chen Sean Chihhsiang · officer: President and COOSale3,008$70
Oct 6, 2026Chen Sean Chihhsiang · officer: President and COOSale100$70
Oct 6, 2026Chen Sean Chihhsiang · officer: President and COOSale800$68
Oct 6, 2026Chen Sean Chihhsiang · officer: President and COOSale1,797$67
Oct 6, 2026Chen Sean Chihhsiang · officer: President and COOSale5,508$66
Oct 6, 2026Chen Sean Chihhsiang · officer: President and COOSale302$72
Oct 6, 2026Chen Sean Chihhsiang · officer: President and COOSale2,492$69
Oct 6, 2026Hanson Scott McLean · director, officer: Chief Technology OfficerSale452$72
Oct 6, 2026Hanson Scott McLean · director, officer: Chief Technology OfficerSale4,500$70
Oct 6, 2026Hanson Scott McLean · director, officer: Chief Technology OfficerSale3,728$69
Oct 6, 2026Esaka Fumihide · director, officer: Chief Executive OfficerSale862$72
Oct 6, 2026Esaka Fumihide · director, officer: Chief Executive OfficerSale8,585$70
Oct 6, 2026Esaka Fumihide · director, officer: Chief Executive OfficerSale7,113$69
Oct 6, 2026Winzeler Jeffrey G · officer: Chief Financial OfficerSale284$72
Oct 6, 2026Winzeler Jeffrey G · officer: Chief Financial OfficerSale2,828$70
Institutional positioning

13F filings over the trailing two quarters

New 136Increased 100Reduced 40Sold out 11
FilerActionSharesFiled
BlackRock, Inc.Increased1,380,623Aug 7, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.New Position1,267,551May 15, 2026
BLACKROCK, INC.Increased1,013,161May 13, 2026
T. Rowe Price Investment Management, Inc.Reduced1,006,359Aug 14, 2026
D. E. Shaw & Co., Inc.New Position983,916Aug 14, 2026
Atreides Management, LPIncreased877,123Aug 14, 2026
ATREIDES MANAGEMENT, LPIncreased862,175May 18, 2026
STATE STREET CORPIncreased861,979Sep 22, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased768,539Aug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position707,404May 15, 2026
ALLIANCEBERNSTEIN L.P.Increased686,098May 15, 2026
SCHONFELD STRATEGIC ADVISORS LLCIncreased656,552May 15, 2026
TWO SIGMA INVESTMENTS, LPIncreased651,786Aug 14, 2026
ALLIANCEBERNSTEIN L.P.Reduced609,607Aug 14, 2026
FRANKLIN RESOURCES INCIncreased542,216May 13, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 16, 2026