Ambiq Micro (AMBQ) Stock: Insider Trades, Congress & Funds

Smart money at a glance

Filings to Oct 27, 2026

Net selling: insiders sold $22M and bought $0 on the open market in 90 days (SEC Form 4). Congress: no trades disclosed in 180 days.

Company insidersSEC Form 4, last 90 days: -$22M netNet selling
CongressSTOCK Act, last 180 days: NoneNo trades disclosed
Big fundsSEC 13F, quarter ended Jun 30, 2026: 6 added, 1 cutMore adding
Federal contractsUSAspending.gov, last 12 months: No awardsNone on record

Analysts

What do analysts expect?

Analyst target and ratings are on paid plans

See the 12-month consensus target and the buy/hold/sell rating split.

Unlock the full results

Questions about AMBQ filings

Are insiders buying or selling Ambiq Micro, Inc. (AMBQ) stock?

Net selling: insiders sold $22M and bought $0 of AMBQ stock on the open market in the 90 days to Oct 27, 2026, according to SEC Form 4 filings. $16M of the sales were made under pre-set Rule 10b5-1 trading plans. The largest was Esaka, Fumihide (Chief Executive Officer), who sold $12.4M. The latest filing was on Oct 16, 2026.

Which members of Congress have traded AMBQ recently?

None. No member of Congress disclosed a AMBQ trade with a trade date in the last 180 days, according to House and Senate STOCK Act filings.

How current is this AMBQ smart-money data?

This summary uses filings available on Oct 27, 2026. Insiders must report trades to the SEC within 2 business days, members of Congress have up to 45 days to disclose a trade, and funds file 13F holdings up to 45 days after each quarter ends, so the latest moves may not be public yet.

13F: filed up to 45 days late.

Smart money on AMBQ

Lean long1 source:
- Funds
Lean short1 source:
- Insiders

Top traders
No tracked positions at the last update
Insiders
Lean short3 sales · $1.4M
3 of 3 on scheduled plans. Form 4 filings.
Politicians
No recent politician filings found
Funds
Lean long3 added · 0 trimmed
Quarter-end 13F holdings changes, not live trades. A trim is not a short.
Fin-fluencers
No recent posts found

Each bar is 100% of that source’s money. The notch marks an even split.

Lean is the direction of the latest moves. Descriptive, not advice.

Questions about AMBQ filings

Are insiders buying or selling Ambiq Micro, Inc. (AMBQ) stock?

Which members of Congress have traded AMBQ recently?

None. No member of Congress disclosed a AMBQ trade with a trade date in the last 180 days, according to House and Senate STOCK Act filings.

How current is this AMBQ smart-money data?

Funds

What funds are doing

8 moves · 6 mo

Buys/Adds$283.0MSells/Trims$11.2M

Buys/Adds (3)

DS
D.E. Shaw
Q2 2026 13F
$86.9M
bought
Signals like this: n=3224, 54% finished lower at D15, median -0.8% vs SPY -0.4%
TS
Two Sigma
Q2 2026 13F
$56.6M
added
Signals like this: n=13770, 53% finished lower at D15, median -0.4% vs SPY -0.4%
MI
Millennium
Israel Englander · Q2 2026 13F
$21.0M
added

5 more moves

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Reported Jul 20, 2026

Earnings came in 82.9% above what analysts expected.

Documents

Quarterly report10-Q Annual report10-K Every filing

Last report

Jul 20, 2026

Period ending

Jun 30, 2026

Earnings per share

-$0.07+82.93% beat

-$0.41 expected

Revenue

$33.9M

Financial statements: Alpha Vantage

Next report

Estimated report: Nov 5, 2026, in 9 days

Previous reports

Period ending	Reported	EPS / estimate	EPS surprise	Revenue / income	Surprise
Jun 30, 2026	Jul 20, 2026	-$0.07 / -$0.41Alpha Vantage	+82.93% beat	$33.9M No estimate	Unavailable
Mar 31, 2026	May 12, 2026	-$0.50 / -$0.39Alpha Vantage	-27.87% miss	$25.1M No estimate	Unavailable
Dec 31, 2025	Mar 5, 2026	-$0.32 / -$0.38Alpha Vantage	+15.79% beat	$20.7M No estimate	Unavailable
Sep 30, 2025	Nov 6, 2025	-$0.22 / -$0.31Alpha Vantage	+29.03% beat	$18.2M No estimate	Unavailable
Jun 30, 2025	Sep 4, 2025	-$0.13 / -$0.44Alpha Vantage	+70.45% beat	$17.9M No estimate	Unavailable

EPS uses Yahoo Finance where available, then Alpha Vantage or verified release comparisons. Revenue and income use company releases, SEC filings, Alpha Vantage or Yahoo Finance. Non-USD revenue carries its currency code. Comparisons require a paired release estimate.

Open: $50.94
52-wk high: $91.61
High: $52.02
52-wk low: $22.12
Low: $49.20
Prev close: $50.36
Mkt cap: $1.22B
ROE: -15.5%
P/S: 12.4x
P/B: 3.0x
Profit margin: -37.8%
Op margin: -43.3%

Sep 2025 to Jun 2026

What it sold, what it cost, what was left.

RevenueProfit

Sep 2025Dec 2025Mar 2026Jun 2026

Income statement, 4 periods, all values in US dollars
USD	Sep 2025	Dec 2025	Mar 2026	Jun 2026
What came in
RevenueTotal revenue	$18.2M	$20.7M	$25.1M	$33.9M
Cost of what it soldCost of revenue	$10.5M	$11.9M	$14.2M	$18.6M
Gross profit	$7.7M	$8.9M	$10.9M	$15.3M
What it spent
Research and development	$8.9M	$12.0M	$12.8M	$14.1M
Sales and adminSelling, general and administrative	$8.8M	$8.8M	$9.7M	$9.9M
Total operating expenses	$17.7M	$20.8M	$22.6M	$24.0M
What was left
Operating profitOperating income	-$10.0M	-$12.0M	-$11.7M	-$8.7M
Profit before tax	-$9.0M	-$10.7M	-$10.2M	-$7.1M
TaxIncome tax expense	$3.0K	$19.0K	$3.0K	$1.0K
Net profitNet income	-$9.0M	-$10.7M	-$10.2M	-$7.1M
EBITDAEarnings before interest, tax, depreciation, amortisation	-$7.2M	-$9.0M	-$8.4M	-$5.3M

Technicals

Price structure

This stock is under pressure, and looks oversold after a sharp drop.

Trend

Under pressure

0 / 100

RSI 14

23oversold

20D volatility

56%annualized

52-week range

$51.06

$22.12$91.61

20D support

$48.20recent floor

20D resistance

$72.26recent ceiling

Returns

5D +2.9%20D -25.2%60D -19.7%

Price vs moving averages

SMA20 -11.0%SMA50 -15.1%SMA200 -4.2%

Volume pace

0.80xvs prior 20D

Period ending

Reported

EPS / estimate

EPS surprise

Revenue / income

Surprise

Jun 30, 2026

Jul 20, 2026

-$0.07 / -$0.41Alpha Vantage

+82.93% beat

$33.9M No estimate

Unavailable

Mar 31, 2026

May 12, 2026

-$0.50 / -$0.39Alpha Vantage

-27.87% miss

$25.1M No estimate

Unavailable

Dec 31, 2025

Mar 5, 2026

-$0.32 / -$0.38Alpha Vantage

+15.79% beat

$20.7M No estimate

Unavailable

Sep 30, 2025

Nov 6, 2025

-$0.22 / -$0.31Alpha Vantage

+29.03% beat

$18.2M No estimate

Unavailable

Jun 30, 2025

Sep 4, 2025

-$0.13 / -$0.44Alpha Vantage

+70.45% beat

$17.9M No estimate

Unavailable

Income statement, 4 periods, all values in US dollars
USD	Sep 2025	Dec 2025	Mar 2026	Jun 2026
What came in
RevenueTotal revenue	$18.2M	$20.7M	$25.1M	$33.9M
Cost of what it soldCost of revenue	$10.5M	$11.9M	$14.2M	$18.6M
Gross profit	$7.7M	$8.9M	$10.9M	$15.3M
What it spent
Research and development	$8.9M	$12.0M	$12.8M	$14.1M
Sales and adminSelling, general and administrative	$8.8M	$8.8M	$9.7M	$9.9M
Total operating expenses	$17.7M	$20.8M	$22.6M	$24.0M
What was left
Operating profitOperating income	-$10.0M	-$12.0M	-$11.7M	-$8.7M
Profit before tax	-$9.0M	-$10.7M	-$10.2M	-$7.1M
TaxIncome tax expense	$3.0K	$19.0K	$3.0K	$1.0K
Net profitNet income	-$9.0M	-$10.7M	-$10.2M	-$7.1M
EBITDAEarnings before interest, tax, depreciation, amortisation	-$7.2M	-$9.0M	-$8.4M	-$5.3M

USD

Sep 2025

Dec 2025

Mar 2026

Jun 2026

What came in

RevenueTotal revenue

$18.2M

$20.7M

$25.1M

$33.9M

Cost of what it soldCost of revenue

$10.5M

$11.9M

$14.2M

$18.6M

Gross profit

$7.7M

$8.9M

$10.9M

$15.3M

What it spent

Research and development

$8.9M

$12.0M

$12.8M

$14.1M

Sales and adminSelling, general and administrative

$8.8M

$9.7M

$9.9M

Total operating expenses

$17.7M

$20.8M

$22.6M

$24.0M

What was left

Operating profitOperating income

-$10.0M

-$12.0M

-$11.7M

-$8.7M

Profit before tax

-$9.0M

-$10.7M

-$10.2M

-$7.1M

TaxIncome tax expense

$3.0K

$19.0K

$3.0K

$1.0K

Net profitNet income

-$9.0M

-$10.7M

-$10.2M

-$7.1M

EBITDAEarnings before interest, tax, depreciation, amortisation

-$7.2M

-$9.0M

-$8.4M

-$5.3M

Ambiq Micro, Inc.

Smart money at a glance

What do analysts expect?

Questions about AMBQ filings

Smart money on AMBQ

Questions about AMBQ filings

What funds are doing

What insiders are doing

How top traders are positioned

Unlock everything for $29/month

Earnings came in 82.9% above what analysts expected.

Estimated report: Nov 5, 2026, in 9 days

Previous reports

What it sold, what it cost, what was left.

Price structure

Ambiq Micro, Inc.

Smart money at a glance

What do analysts expect?

Questions about AMBQ filings

Smart money on AMBQ

Questions about AMBQ filings

What funds are doing

What insiders are doing

How top traders are positioned

Unlock everything for $29/month

Earnings came in 82.9% above what analysts expected.

Estimated report: Nov 5, 2026, in 9 days

Previous reports

What it sold, what it cost, what was left.

Price structure

Ambiq Micro, Inc.

Overview

Questions about AMBQ filings

Smart money

Unlock everything for $29/month

Earnings

Financials

Technicals

Ambiq Micro, Inc.

Overview

Questions about AMBQ filings

Smart money

Unlock everything for $29/month

Earnings

Financials

Technicals