Amphastar Pharmaceuticals (AMPH) Insider & Congress Trades

Smart money at a glance

Filings to Oct 27, 2026

Net selling: insiders sold $764K 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: -$764K netNet selling
CongressSTOCK Act, last 180 days: NoneNo trades disclosed
Big fundsSEC 13F, quarter ended Mar 31, 2026: 1 added, 0 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 AMPH filings

Are insiders buying or selling Amphastar P (AMPH) stock?

Net selling: insiders sold $764K and bought $0 of AMPH stock on the open market in the 90 days to Oct 27, 2026, according to SEC Form 4 filings. $287K of the sales were made under pre-set Rule 10b5-1 trading plans. The largest was Zhou, Rong (Senior EVP, Production Center), who sold $315K. The latest filing was on Sep 23, 2026.

Which members of Congress have traded AMPH recently?

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

How current is this AMPH 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 AMPH

Lean long1 source:
- Funds
Lean short2 sources:
- Insiders
- Politicians

Top traders
No tracked positions at the last update
Insiders
Lean short3 sales · $418K
2 of 3 on scheduled plans. Form 4 filings.
Politicians
Lean short1 buy · 2 salesExecutive
Executive branch filings. Amounts are filing ranges, not prices, and filings can lag the trade.
Funds
- LSV Asset, added +$9.8M, holdings at Mar 31
Lean long · thin1 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 AMPH filings

Are insiders buying or selling Amphastar P (AMPH) stock?

Which members of Congress have traded AMPH recently?

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

How current is this AMPH smart-money data?

Funds

What funds are doing

1 move · 6 mo

Buys/Adds$9.8M

Buys/Adds (1)

LA
LSV Asset
Q1 2026 13F
$9.8M
added
Signals like this: n=13770, 53% finished lower at D15, median -0.4% vs SPY -0.4%

Unlock everything for $29/month

Unlock for $29/month

Reported Aug 6, 2026

Earnings came in 48.3% above what analysts expected.

Documents

Quarterly report10-Q Annual report10-K Every filing

Last report

Aug 6, 2026

Period ending

Jun 30, 2026

Earnings per share

$0.91+48.26% beat

$0.61 expected

Revenue

$183.9M

SEC filing

EPS: Yahoo Finance

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	Aug 6, 2026	$0.91 / $0.61Yahoo Finance	+48.26% beat	$183.9M No estimateSEC filing	Unavailable
Mar 31, 2026	May 7, 2026	$0.42 / $0.71Yahoo Finance	-40.46% miss	$171.2M No estimateSEC filing	Unavailable
Dec 31, 2025	Feb 26, 2026	$0.73 / $0.92Yahoo Finance	-20.50% miss	$183.1M No estimate	Unavailable
Sep 30, 2025	Nov 6, 2025	$0.93 / $0.83Yahoo Finance	+12.68% beat	$191.8M No estimateSEC filing	Unavailable
Jun 30, 2025	Aug 7, 2025	Unavailable	-	$174.4M No estimateSEC filing	Unavailable
Mar 31, 2025	May 7, 2025	$0.74 / $0.69Alpha Vantage	+7.25% beat	$170.5M No estimateSEC filing	Unavailable
Dec 31, 2024	Feb 27, 2025	$0.92 / $0.94Alpha Vantage	-1.95% miss	$732.0M No estimateYear ended Dec 31, 2024 · SEC filing	Unavailable
Sep 30, 2024	Nov 6, 2024	$0.96 / $0.98Alpha Vantage	-2.04% miss	$191.2M No estimateSEC filing	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: $25.27
52-wk high: $29.52
High: $25.65
52-wk low: $16.64
Low: $25.22
Prev close: $25.14
Mkt cap: $1.07B
P/E: 14.9x
ROE: +10.3%
Beta: 0.90
P/S: 1.5x
P/B: 1.6x
Profit margin: +10.8%
Op margin: +21.6%

Fundamentals

Is the business strong?

Fairly priced and profitable.

Net margin: 10.8%
P/E: 14.88
Market cap: $1.1B

Valuation

P/S1.47
P/B1.63

Quality

Operating margin21.6%
ROE10.3%
ROA5.1%

Growth

Beta0.90

Technicals

Price structure

This stock is trending upward.

Trend

Constructive

60 / 100

RSI 14

46balanced

20D volatility

30%annualized

52-week range

$25.47

$16.64$29.52

20D support

$24.62recent floor

20D resistance

$27.64recent ceiling

Returns

5D -2.6%20D -7.0%60D +27.7%

Price vs moving averages

SMA20 -1.8%SMA50 +4.6%SMA200 +14.3%

Volume pace

0.79xvs prior 20D

Smart money at a glance

Filings to Oct 27, 2026

Net selling: insiders sold $764K 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: -$764K netNet selling
CongressSTOCK Act, last 180 days: NoneNo trades disclosed
Big fundsSEC 13F, quarter ended Mar 31, 2026: 1 added, 0 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 AMPH filings

Are insiders buying or selling Amphastar P (AMPH) stock?

Which members of Congress have traded AMPH recently?

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

How current is this AMPH smart-money data?

13F: filed up to 45 days late.

Smart money on AMPH

Lean long1 source:
- Funds
Lean short2 sources:
- Insiders
- Politicians

Top traders
No tracked positions at the last update
Insiders
Lean short3 sales · $418K
2 of 3 on scheduled plans. Form 4 filings.
Politicians
Lean short1 buy · 2 salesExecutive
Executive branch filings. Amounts are filing ranges, not prices, and filings can lag the trade.
Funds
- LSV Asset, added +$9.8M, holdings at Mar 31
Lean long · thin1 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 AMPH filings

Are insiders buying or selling Amphastar P (AMPH) stock?

Which members of Congress have traded AMPH recently?

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

How current is this AMPH smart-money data?

Funds

What funds are doing

1 move · 6 mo

Buys/Adds$9.8M

Buys/Adds (1)

LA
LSV Asset
Q1 2026 13F
$9.8M
added
Signals like this: n=13770, 53% finished lower at D15, median -0.4% vs SPY -0.4%

Unlock everything for $29/month

Unlock for $29/month

Reported Aug 6, 2026

Earnings came in 48.3% above what analysts expected.

Documents

Quarterly report10-Q Annual report10-K Every filing

Last report

Aug 6, 2026

Period ending

Jun 30, 2026

Earnings per share

$0.91+48.26% beat

$0.61 expected

Revenue

$183.9M

SEC filing

EPS: Yahoo Finance

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	Aug 6, 2026	$0.91 / $0.61Yahoo Finance	+48.26% beat	$183.9M No estimateSEC filing	Unavailable
Mar 31, 2026	May 7, 2026	$0.42 / $0.71Yahoo Finance	-40.46% miss	$171.2M No estimateSEC filing	Unavailable
Dec 31, 2025	Feb 26, 2026	$0.73 / $0.92Yahoo Finance	-20.50% miss	$183.1M No estimate	Unavailable
Sep 30, 2025	Nov 6, 2025	$0.93 / $0.83Yahoo Finance	+12.68% beat	$191.8M No estimateSEC filing	Unavailable
Jun 30, 2025	Aug 7, 2025	Unavailable	-	$174.4M No estimateSEC filing	Unavailable
Mar 31, 2025	May 7, 2025	$0.74 / $0.69Alpha Vantage	+7.25% beat	$170.5M No estimateSEC filing	Unavailable
Dec 31, 2024	Feb 27, 2025	$0.92 / $0.94Alpha Vantage	-1.95% miss	$732.0M No estimateYear ended Dec 31, 2024 · SEC filing	Unavailable
Sep 30, 2024	Nov 6, 2024	$0.96 / $0.98Alpha Vantage	-2.04% miss	$191.2M No estimateSEC filing	Unavailable

Open: $25.27
52-wk high: $29.52
High: $25.65
52-wk low: $16.64
Low: $25.22
Prev close: $25.14
Mkt cap: $1.07B
P/E: 14.9x
ROE: +10.3%
Beta: 0.90
P/S: 1.5x
P/B: 1.6x
Profit margin: +10.8%
Op margin: +21.6%

Fundamentals

Is the business strong?

Fairly priced and profitable.

Net margin: 10.8%
P/E: 14.88
Market cap: $1.1B

Valuation

P/S1.47
P/B1.63

Quality

Operating margin21.6%
ROE10.3%
ROA5.1%

Growth

Beta0.90

Technicals

Price structure

This stock is trending upward.

Trend

Constructive

60 / 100

RSI 14

46balanced

20D volatility

30%annualized

52-week range

$25.47

$16.64$29.52

20D support

$24.62recent floor

20D resistance

$27.64recent ceiling

Returns

5D -2.6%20D -7.0%60D +27.7%

Price vs moving averages

SMA20 -1.8%SMA50 +4.6%SMA200 +14.3%

Volume pace

0.79xvs prior 20D

Amphastar P

Smart money at a glance

What do analysts expect?

Questions about AMPH filings

Smart money on AMPH

Questions about AMPH filings

What funds are doing

What insiders are doing

How top traders are positioned

Unlock everything for $29/month

Earnings came in 48.3% above what analysts expected.

Estimated report: Nov 5, 2026, in 9 days

Previous reports

Is the business strong?

Price structure

Amphastar P

Smart money at a glance

What do analysts expect?

Questions about AMPH filings

Smart money on AMPH

Questions about AMPH filings

What funds are doing

What insiders are doing

How top traders are positioned

Unlock everything for $29/month

Earnings came in 48.3% above what analysts expected.

Estimated report: Nov 5, 2026, in 9 days

Previous reports

Is the business strong?

Price structure

Amphastar P

Overview

Questions about AMPH filings

Smart money

Unlock everything for $29/month

Earnings

Financials

Technicals

Amphastar P

Overview

Questions about AMPH filings

Smart money

Unlock everything for $29/month

Earnings

Financials

Technicals