Index
RUT
Market Cap
986.03M
Enterprise Value
1.38B
Income
78.55M
Sales
730.02M
Book/sh
18.06
Cash/sh
6.88
Dividend Est.
-
Dividend TTM
-
Dividend Ex-Date
-
Dividend Gr. 3/5Y
- -
Payout
0.00%
Employees
1976
IPO
Jun 25, 2014
P/E
13.58
Forward P/E
7.29
PEG
5.44
P/S
1.35
P/B
1.28
P/C
3.37
P/FCF
6.45
EV/EBITDA
7.72
EV/Sales
1.89
Quick Ratio
1.71
Current Ratio
2.40
Debt/Eq
0.90
LT Debt/Eq
0.88
Option/Short
Yes / Yes
EPS (ttm)
1.71
EPS next Y
3.18
EPS next Q
0.86
EPS this Y
-8.59%
EPS next Y
7.09%
EPS next 5Y
1.34%
EPS past 3/5Y
5.29% 134.65%
Sales past 3/5Y
12.99% 15.53%
EPS Y/Y TTM
-38.09%
Sales Y/Y TTM
1.02%
EPS Q/Q
6.44%
Sales Q/Q
5.44%
Insider Own
26.23%
Insider Trans
-0.17%
Inst Own
68.24%
Inst Trans
-9.80%
ROA
4.68%
ROE
10.30%
ROIC
5.44%
Gross Margin
45.61%
Oper. Margin
15.66%
Profit Margin
10.76%
SMA20
6.65%
SMA50
12.77%
SMA200
2.94%
Trades
Shs Outstand
42.53M
Shs Float
31.38M
52W High
29.78 -22.16%
52W Low
16.65 39.26%
Volatility
3.50% 3.66%
ATR (14)
0.76
RSI (14)
66.35
Beta
0.92
Rel Volume
1.34
Avg Volume
483.42K
Volume
650,129
Perf Week
5.32%
Perf Month
17.01%
Perf Quarter
17.43%
Perf Half Y
19.86%
Perf YTD
-13.44%
Perf Year
-20.59%
Perf 3Y
-57.49%
Perf 5Y
20.29%
Perf 10Y
24.89%
Prev Close
23.84
Price
23.18
Change %
-2.77%
Date
Action
Analyst
Rating Change
Price Target Change
Jun-29-26 Downgrade
BofA Securities
Neutral → Underperform
$20
May-14-26 Downgrade
Wells Fargo
Overweight → Equal Weight
$19
May-08-26 Downgrade
Needham
Buy → Hold
Apr-21-26 Downgrade
Jefferies
Buy → Hold
$22
Dec-09-25 Initiated
Barclays
Equal Weight
$30
Aug-12-25 Upgrade
Needham
Hold → Buy
$36
May-12-25 Downgrade
JP Morgan
Overweight → Neutral
$30
Feb-04-25 Downgrade
Piper Sandler
Overweight → Neutral
$66 → $36
Nov-22-24 Initiated
Wells Fargo
Equal Weight
$55
Mar-05-24 Initiated
JP Morgan
Overweight
$60
Nov-17-23 Initiated
BofA Securities
Neutral
$63
Jul-25-23 Resumed
Jefferies
Buy
$70
Oct-21-22 Resumed
Jefferies
Buy
$36
Jul-29-22 Initiated
CapitalOne
Overweight
$44
Jan-07-22 Upgrade
Piper Sandler
Neutral → Overweight
$21 → $28
Jan-08-21 Downgrade
Wells Fargo
Overweight → Equal Weight
$21
Oct-05-20 Upgrade
Northland Capital
Market Perform → Outperform
$24
May-01-20 Initiated
Northland Capital
Outperform
$23
Mar-13-19 Downgrade
Piper Jaffray
Overweight → Neutral
$24 → $23
Mar-13-19 Downgrade
Needham
Buy → Hold
Show Previous Ratings
Sep-01-26 06:00AM
Aug-06-26 05:04PM
04:05PM
Jul-29-26 06:00AM
Jun-29-26 12:01PM
06:00AM
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12:36PM
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Feb-27-26 12:36PM
08:30AM
12:03AM
Feb-26-26 10:07PM
08:30PM
05:30PM
05:27PM
04:32PM
(Associated Press Finance)
04:05PM
Feb-25-26 09:59AM
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09:17AM
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Feb-12-26 09:17AM
Feb-11-26 08:01AM
Jan-30-26 08:39AM
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Jan-15-26 03:46PM
08:38AM
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06:23PM
Jan-12-26 04:05PM
06:00AM
Jan-07-26 06:00AM
Dec-26-25 09:12AM
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Dec-11-25 10:57AM
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Dec-03-25 03:26PM
Nov-24-25 10:16AM
06:00AM
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Nov-12-25 03:20PM
06:00AM
Nov-11-25 10:31PM
Nov-10-25 03:21PM
10:31AM
Nov-07-25 10:01PM
01:11PM
Nov-06-25 06:30PM
05:55PM
05:09PM
04:55PM
(Associated Press Finance)
04:05PM
Nov-04-25 10:10PM
05:30PM
Oct-30-25 10:00AM
Oct-28-25 10:40AM
Oct-27-25 06:00AM
12:01AM
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Oct-17-25 09:40AM
09:35AM
Oct-14-25 10:38AM
Oct-07-25 10:32AM
Sep-23-25 10:44AM
Sep-18-25 10:54AM
Sep-15-25 10:27AM
Sep-04-25 11:32PM
Sep-02-25 10:18AM
08:46AM
04:06AM
Aug-28-25 06:00AM
Aug-14-25 01:42AM
Aug-13-25 07:33AM
(Pharmaceutical Technology)
Aug-12-25 02:20PM
01:38PM
06:00AM
03:25AM
Aug-11-25 12:31PM
06:00AM
Aug-08-25 11:00PM
09:40AM
04:57AM
Aug-07-25 05:30PM
05:15PM
04:17PM
(Associated Press Finance)
04:05PM
Aug-05-25 11:19PM
05:25PM
Aug-04-25 10:00AM
Jul-31-25 10:00AM
Jul-30-25 08:25PM
Amphastar Pharmaceuticals, Inc. engages in developing, manufacturing, and commercializing technically challenging generic and proprietary injectable, inhalation, and intranasal products, and insulin active pharmaceutical ingredients. It operates through Pharmaceutical Products segment. The company was founded by Zi-Ping Luo and Yong Feng Zhang on February 29, 1996 and is headquartered in Rancho Cucamonga, CA.
Chairman of the Board Dr. Ziping Luo Ph.D.
Co-Founder Dr. Yongfeng Zhang Ph.D.
CFO Mr. William J. Peters M.B.A.
Executive VP of Sales Mr. Jacob Liawatidewi M.B.A.
Senior EVP of Production & EVP of Scientific Affairs Mr. Rong Zhou M.S.
Insider Trading
Relationship
Date
Transaction
Cost
#Shares
Value ($)
#Shares Total
SEC Form 4
Zhou Rong SENIOR EVP, PRODUCTION CENTER Sep 02 '26 Sale 23.63 3,187 75,306 169,203 Sep 03 07:42 PM Rong Zhou Vice President Sep 01 '26 Proposed Sale 22.00 13,187 290,114 Sep 01 04:25 PM Floyd Petersen Director Aug 18 '26 Proposed Sale 21.00 47,101 989,121 Aug 18 05:56 PM PRINS RICHARD K Director Aug 11 '26 Sale 20.30 7,973 161,852 29,625 Aug 12 06:14 PM PETERS WILLIAM J CFO, EVP & TREASURER Aug 07 '26 Option Exercise 19.79 5,053 99,999 181,026 Aug 11 04:57 PM PETERS WILLIAM J CFO, EVP & TREASURER Aug 07 '26 Sale 22.48 8,180 183,886 172,846 Aug 11 04:57 PM Richard Prins Director Aug 11 '26 Proposed Sale 20.31 7,973 161,932 Aug 11 11:53 AM PETERS WILLIAM J Officer Aug 07 '26 Proposed Sale 22.48 8,180 183,886 Aug 07 04:09 PM Zhou Rong SENIOR EVP, PRODUCTION CENTER Dec 17 '25 Option Exercise 11.33 9,787 110,887 147,830 Dec 18 05:23 PM Zhou Rong SENIOR EVP, PRODUCTION CENTER Dec 17 '25 Sale 26.20 9,787 256,379 138,043 Dec 18 05:23 PM Petersen Floyd F. Director Dec 12 '25 Sale 25.92 2,426 62,888 71,368 Dec 15 05:17 PM Petersen Floyd F. Director Dec 11 '25 Sale 25.69 1,737 44,620 73,794 Dec 15 05:17 PM Floyd Petersen Director Dec 11 '25 Proposed Sale 80.00 4,163 333,040 Dec 11 05:17 PM Floyd Petersen Director Dec 10 '25 Proposed Sale 25.00 1,737 43,425 Dec 10 02:40 PM Rong Zhou Officer Nov 28 '25 Proposed Sale 25.00 20,000 500,000 Nov 28 01:23 PM PRINS RICHARD K Director Nov 25 '25 Option Exercise 16.69 4,179 69,748 39,362 Nov 25 07:38 PM PRINS RICHARD K Director Nov 25 '25 Sale 27.10 4,179 113,253 35,183 Nov 25 07:38 PM Richard Prins Director Nov 25 '25 Proposed Sale 25.00 4,179 104,475 Nov 25 05:05 PM Petersen Floyd F. Director Nov 13 '25 Option Exercise 16.69 16,679 278,373 92,210 Nov 17 04:16 PM Petersen Floyd F. Director Nov 13 '25 Sale 26.49 16,679 441,837 75,531 Nov 17 04:16 PM Floyd Petersen Director Nov 13 '25 Proposed Sale 26.49 16,679 441,837 Nov 13 05:06 PM Petersen Floyd F. Director Nov 03 '25 Sale 25.27 500 12,633 75,531 Nov 05 04:20 PM Petersen Floyd F. Director Nov 03 '25 Proposed Sale 25.30 500 12,650 Nov 03 04:24 PM Petersen Floyd F. Director Oct 01 '25 Sale 27.20 500 13,602 76,031 Oct 02 05:04 PM Petersen Floyd F. Director Oct 01 '25 Proposed Sale 26.74 500 13,370 Oct 01 04:07 PM