SIEN - Sientra Inc Stock Price, Fair Value and News

0.07USD-0.01 (-12.50%)Market Closed

Market Summary

USD0.07-0.01

Market Closed

-12.50%

SIEN Stock Price

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SIEN RSI Chart

SIEN Valuation

Market Cap

837.0K

Price/Earnings (Trailing)

-0.02

Price/Sales (Trailing)

0.01

EV/EBITDA

0.33

Price/Free Cashflow

-0.07

SIEN Price/Sales (Trailing)

SIEN Profitability

EBT Margin

-65.68%

Return on Equity

-8.45%

Return on Assets

-42.25%

Free Cashflow Yield

-1.5K%

SIEN Fundamentals

SIEN Revenue

Revenue (TTM)

90.3M

Rev. Growth (Yr)

-13.41%

Rev. Growth (Qtr)

-15.5%

SIEN Earnings

Earnings (TTM)

-59.1M

Earnings Growth (Yr)

1.39%

Earnings Growth (Qtr)

-55.88%

Breaking Down SIEN Revenue

Last 7 days

-53.8%

Last 30 days

-14.3%

Last 90 days

-89.8%

Trailing 12 Months

-96.1%

How does SIEN drawdown profile look like?

SIEN Financial Health

Current Ratio

0.57

SIEN Investor Care

Shares Dilution (1Y)

18.40%

Diluted EPS (TTM)

-5.45

Historical Charts for Stock Metrics

Get all data in R, Python etc through our Historical Stock Data APIs

Net sales

Year	Q1	Q2	Q3	Q4
2023	91.7M	93.3M	90.3M	0
2022	83.8M	85.2M	88.1M	90.5M
2021	65.6M	76.4M	80.7M	80.7M
2020	83.1M	71.9M	64.8M	64.2M
2019	71.0M	74.0M	79.5M	83.7M
2018	43.7M	53.1M	60.2M	68.1M
2017	26.8M	28.7M	32.0M	36.5M
2016	27.1M	19.2M	15.8M	20.7M
2015	46.9M	49.4M	48.7M	38.1M
2014	36.9M	39.2M	41.9M	44.7M
2013	16.6M	22.8M	29.0M	35.2M
2012	0	0	0	10.4M

Get all data in R, Python etc through our Historical Stock Data APIs

Tracking the Latest Insider Buys and Sells of Sientra Inc

Filter Transactions

Datesorted ascending	Name	Buy/Sell	$ Value	Avg. Price	# Shares	Title
Nov 13, 2023	van hove caroline f.	sold (taxes)	-526	0.71	-741	-
Nov 13, 2023	menezes ronald	sold (taxes)	-2,573	0.71	-3,625	president and ceo
Sep 07, 2023	bennett oliver christian	acquired	4,793	1.75	2,739	gc & chief compliance officer
Aug 03, 2023	schmidt andrew c	sold (taxes)	-2,165	3.86	-561	chief financial officer
Jun 15, 2023	schaison philippe	acquired	-	-	12,000	-
Jun 15, 2023	fisher mary	acquired	-	-	12,000	-
Jun 15, 2023	erenburg irina	acquired	-	-	12,000	-
Jun 15, 2023	ebersole nori	acquired	-	-	12,000	-
Jun 15, 2023	casdin alexander w.	acquired	-	-	15,000	-
Mar 22, 2023	schmidt andrew c	sold (taxes)	-3,750	1.38	-2,718	chief financial officer

Which funds bought or sold SIEN recently?

View All Details

Datesorted ascending	Fund Name	Type	% Chg	$ Change	$ Held	% Portfolio
Apr 16, 2024	Williams & Novak, LLC	sold off	-100	-8,906	-	-%
Apr 15, 2024	WEALTH ENHANCEMENT ADVISORY SERVICES, LLC	sold off	-100	-16,836	-	-%
Apr 12, 2024	Dynamic Advisor Solutions LLC	sold off	-100	-10,330	-	-%
Mar 11, 2024	VANGUARD GROUP INC	reduced	-1.22	-717,668	198,598	-%
Feb 15, 2024	JANE STREET GROUP, LLC	sold off	-100	-70,751	-	-%
Feb 14, 2024	STATE STREET CORP	unchanged	-	-82,115	23,083	-%
Feb 14, 2024	WOLVERINE TRADING, LLC	sold off	-100	-29,115	-	-%
Feb 14, 2024	COMERICA BANK	sold off	-100	-834	-	-%
Feb 14, 2024	BANK OF AMERICA CORP /DE/	new	-	82.00	82.00	-%
Feb 14, 2024	Creative Planning	unchanged	-	-59,061	16,602	-%

Are Funds Buying or Selling SIEN?

Are funds buying SIEN calls or puts?

Calls

Puts

No. of funds holding Calls - Puts

Net Call Options

No. of funds that own SIEN

No. of Funds

Unveiling Sientra Inc's Major ShareHolders

Date Filed	Name of Filer	Percent of Class	No. of Shares	Form Type
Feb 20, 2024	rosalind advisors, inc.	0%	0	SC 13G/A
Feb 06, 2024	wells fargo & company/mn	8.8%	1,057,547	SC 13G
Feb 15, 2023	rosalind advisors, inc.	5.0%	509,274	SC 13G
Feb 10, 2023	senvest management, llc	0%	0	SC 13G/A
Dec 12, 2022	morgan stanley	0.4%	398,938	SC 13G/A
Nov 15, 2022	pessin norman h	5.6%	5,670,923	SC 13D
Jul 08, 2022	blackrock inc.	1.8%	1,125,864	SC 13G
May 04, 2022	clarus lifesciences i, l.p.	4.4%	2,730,765	SC 13D/A
Feb 11, 2022	senvest management, llc	5.3%	3,081,039	SC 13G
Feb 11, 2022	morgan stanley	5.9%	3,412,477	SC 13G

Recent SEC filings of Sientra Inc

View All Filings

Date Filed	Form Type	Document
Apr 18, 2024	8-K	Current Report
Apr 09, 2024	25-NSE	25-NSE
Mar 29, 2024	NT 10-K	NT 10-K
Feb 20, 2024	SC 13G/A	Major Ownership Report
Feb 16, 2024	8-K	Current Report
Feb 13, 2024	8-K	Current Report
Feb 06, 2024	SC 13G	Major Ownership Report
Jan 29, 2024	8-K	Current Report
Jan 16, 2024	8-K	Current Report

Peers (Alternatives to Sientra Inc)

Name	Mkt Capsorted ascending	Revenue	Price %, 1M	Returns, 1Y	P/E	P/S	Rev 1-Yr	Inc 1-Yr
LARGE-CAP
ABT	186.2B	40.1B	-3.77%	-2.76%	32.53	4.64	-8.12%	-17.45%
BDX	67.7B	19.5B	-1.53%	-10.57%	53.87	3.47	4.02%	-22.04%
ALGN	22.5B	3.9B	-9.16%	-15.16%	50.45	5.81	3.42%	23.09%
BAX	20.0B	14.8B	-5.62%	-8.72%	7.55	1.35	2.12%	209.17%
MID-CAP
ATR	9.2B	3.5B	-0.49%	17.01%	32.32	2.64	4.97%	18.89%
HSIC	9.1B	12.3B	-5.22%	-14.61%	21.9	0.74	-2.44%	-22.68%
BIO	8.2B	2.7B	-16.90%	-39.13%	-12.81	3.06	-4.68%	82.43%
XRAY	6.3B	4.0B	-8.41%	-25.34%	-47.02	1.6	1.10%	85.84%
AXNX	3.4B	366.4M	-2.66%	12.41%	-562.39	9.32	33.86%	89.83%
PDCO	2.3B	6.6B	-4.93%	-3.92%	12.04	0.35	2.78%	-0.87%
SMALL-CAP
AHCO	1.2B	3.2B	-14.38%	-20.49%	-1.83	0.39	7.73%	-1066.14%
ANIK	383.3M	166.7M	0.86%	-5.21%	-4.64	2.3	6.67%	-456.34%
ANGO	250.3M	324.0M	11.81%	-29.38%	-1.3	0.77	-3.19%	-337.41%
APYX	45.7M	52.3M	-28.65%	-55.25%	-2.44	0.87	17.61%	19.28%
AEMD	3.8M	3.7M	-10.98%	147.46%	-0.31	1.02	5.77%	8.23%

Sientra Inc News

Latest updates

Sientra Inc Earnings Report: Key Takeaways & Analysis

Income Statement (Last 12 Months)

Income Statement (Quarterly)
Description	(%) Q/Q	2023Q3	2023Q2	2023Q1	2022Q4	2022Q3	2022Q2	2022Q1	2021Q4	2021Q3	2021Q2	2021Q1	2020Q4	2020Q3	2020Q2	2020Q1	2019Q4	2019Q3	2019Q2	2019Q1	2018Q4	2018Q3
Revenue	-15.5%	19,544,000	23,130,000	22,557,000	25,068,000	22,570,000	21,513,000	21,398,000	22,648,000	19,620,000	20,103,000	18,312,000	22,644,000	15,329,000	9,309,000	16,932,000	23,210,000	22,412,000	20,525,000	17,552,000	19,021,000	16,875,000
Gross Profit	-20.5%	10,029,000	12,615,000	12,147,000	3,231,000	12,776,000	12,742,000	12,845,000	12,327,000	10,590,000	11,265,000	10,153,000	11,075,000	8,224,000	5,262,000	10,140,000	14,239,000	12,658,000	12,712,000	11,078,000	11,354,000	10,477,000
Operating Expenses	-1.5%	19,426,000	19,726,000	22,711,000	27,690,000	25,334,000	28,680,000	28,940,000	26,054,000	22,284,000	20,422,000	21,925,000	17,825,000	17,750,000	14,500,000	37,146,000	-35,825,000	34,118,000	49,676,000	36,929,000	35,740,000	30,039,000
S&GA Expenses	-6.7%	9,330,000	10,005,000	10,152,000	13,507,000	12,290,000	13,664,000	15,588,000	14,108,000	12,052,000	10,477,000	11,819,000	8,888,500	9,969,000	5,443,000	16,763,000	-23,063,000	18,668,000	21,918,000	20,401,000	21,726,500	15,254,000
R&D Expenses	3.7%	2,476,000	2,387,000	2,708,000	4,240,000	3,720,000	2,959,000	3,144,000	3,494,000	2,367,000	2,400,000	2,195,000	2,233,500	1,778,000	2,113,000	2,908,000	581,500	3,201,000	3,270,000	3,054,000	3,013,500	2,881,000
EBITDA Margin	-2.3%	-0.47	-0.46	-0.57	-0.64	-0.59	-0.11	-0.13	-0.62	-0.59	-1.01	-1.36	-0.96	-0.35	-	-	-	-	-	-	-	-
Interest Expenses	-5.5%	2,367,000	2,506,000	2,377,000	2,528,000	2,364,000	2,323,000	1,897,000	2,111,000	2,026,000	2,113,000	2,004,000	2,154,000	2,055,000	3,606,000	1,623,000	1,290,000	1,344,000	982,000	952,000	953,500	953,000
Income Taxes	-	-	-	-	27,000	-	-	-	21,000	-	-	-	33,000	-	-	-	34,000	-	-	-	-4,000	-
Earnings Before Taxes	-55.9%	-14,773,000	-9,477,000	-12,892,000	-22,162,000	-14,887,000	-18,246,000	-17,985,000	-15,851,000	28,503,000	-18,539,000	-56,611,000	-13,017,000	-1,487,000	-31,208,000	-28,612,000	28,518,000	-22,433,000	-37,654,000	-26,484,000	-24,635,000	-20,545,000
EBT Margin	-3.2%	-0.66	-0.64	-0.74	-0.81	-0.76	-0.28	-0.28	-0.77	-0.74	-1.17	-1.56	-1.16	-0.51	-	-	-	-	-	-	-	-
Net Income	-55.9%	-14,773,000	-9,477,000	-12,892,000	-21,981,000	-14,981,000	-18,304,000	-18,041,000	-16,068,000	28,410,000	-20,134,000	-54,690,000	-21,237,000	-5,821,000	-34,277,000	-28,612,000	-20,247,000	-22,433,000	-37,654,000	-26,484,000	-24,631,000	-20,545,000
Net Income Margin	-3.0%	-0.65	-0.64	-0.74	-0.81	-0.76	-0.28	-0.31	-0.77	-0.84	-1.33	-1.77	-1.40	-1.37	-	-	-	-	-	-	-	-
Free Cashflow	-424.7%	-3,636,000	-693,000	-6,886,000	-2,951,000	-3,742,000	-13,611,000	-18,161,000	-11,871,000	-16,162,000	-4,284,000	-13,988,000	-8,243,000	-7,137,000	-	-	-	-	-	-	-	-

Balance Sheet

(In Millions)

(*) denotes actual numbers (not divided by Millions)
Balance Sheet																					(In Millions)
Description	(%) Q/Q	2023Q3	2023Q2	2023Q1	2022Q4	2022Q3	2022Q2	2022Q1	2021Q4	2021Q3	2021Q2	2021Q1	2020Q4	2020Q3	2020Q2	2020Q1	2019Q4	2019Q3	2019Q2	2019Q1	2018Q4	2018Q3
Assets	-4.2%	140	146	153	165	166	175	192	200	187	191	198	169	178	185	223	204	220	246	172	168	181
Current Assets	-5.9%	87.00	92.00	97.00	108	109	118	135	141	147	152	159	129	138	145	182	157	179	204	117	136	148
Cash Equivalents	-19.4%	15.00	19.00	19.00	26.00	19.00	25.00	39.00	52.00	66.00	82.00	80.00	55.00	63.00	72.00	112	88.00	121	146	62.00	87.00	103
Inventory	-0.4%	39.00	39.00	41.00	43.00	52.00	53.00	54.00	53.00	52.00	45.00	51.00	39.00	48.00	46.00	42.00	40.00	30.00	30.00	27.00	24.00	23.00
Net PPE	-5.0%	13.00	14.00	15.00	15.00	14.00	13.00	13.00	14.00	15.00	14.00	13.00	12.00	13.00	13.00	12.00	12.00	4.00	4.00	3.00	3.00	2.00
Goodwill	0%	9.00	9.00	9.00	9.00	9.00	9.00	9.00	9.00	9.00	9.00	9.00	9.00	9.00	9.00	9.00	9.00	5.00	5.00	13.00	27.00	13.00
Liabilities	4.5%	172	165	164	166	170	167	167	159	146	221	211	170	160	163	168	123	124	131	129	101	93.00
Current Liabilities	71.9%	152	88.00	88.00	90.00	81.00	84.00	85.00	80.00	72.00	72.00	70.00	71.00	57.00	51.00	81.00	70.00	64.00	88.00	77.00	64.00	54.00
Long Term Debt	-100.0%	-	58.00	57.00	55.00	70.00	63.00	66.00	62.00	61.00	61.00	61.00	61.00	63.00	63.00	56.00	38.00	38.00	21.00	24.00	28.00	31.00
LT Debt, Current	-	59.00	-	-	-	-	9.00	5.00	2.00	-	7.00	6.00	5.00	1.00	-	25.00	7.00	7.00	18.00	13.00	7.00	3.00
LT Debt, Non Current	-100.0%	-	58.00	57.00	55.00	70.00	63.00	66.00	62.00	61.00	61.00	61.00	61.00	63.00	63.00	56.00	38.00	38.00	21.00	24.00	28.00	31.00
Shareholder's Equity	-	-	-	-	-	-	9.00	25.00	41.00	41.00	-	-	-	18.00	22.00	55.00	82.00	96.00	115	42.00	67.00	88.00
Retained Earnings	-2.1%	-731	-717	-707	-694	-672	-657	-639	-621	-605	-633	-613	-558	-537	-531	-497	-468	-448	-426	-388	-362	-337
Additional Paid-In Capital	0.2%	700	699	697	694	668	666	664	662	646	602	600	558	555	554	552	551	545	541	431	429	425
Shares Outstanding	1.0%	11.00	11.00	11.00	11.00	6.00	6.00	6.00	6.00	6.00	6.00	5.00	5.00	5.00	-	-	-	-	-	-	-	-
Float	-	-	-	-	-	-	52.00	-	-	-	454	-	-	-	188,807	-	-	-	278,429	-	-	-

Cashflow (Last 12 Months)

(In Thousands)

Cashflow (Quarterly)																					(In Thousands)
Description	(%) Q/Q	2023Q3	2023Q2	2023Q1	2022Q4	2022Q3	2022Q2	2022Q1	2021Q4	2021Q3	2021Q2	2021Q1	2020Q4	2020Q3	2020Q2	2020Q1	2019Q4	2019Q3	2019Q2	2019Q1	2018Q4	2018Q3
Cashflow From Operations	-541.1%	-3,366	-525	-6,268	-1,216	-2,699	-13,044	-17,915	-12,948	-14,450	-2,435	-12,667	-7,399	-6,140	-19,410	-27,189	-13,530	-24,873	-23,984	-24,646	-14,772	-10,261
Share Based Compensation	-7.8%	1,233	1,338	1,722	1,820	1,855	2,062	2,196	2,317	2,326	2,584	3,163	2,879	1,574	1,635	2,133	2,914	3,070	2,911	3,700	3,747	4,391
Cashflow From Investing	-60.7%	-270	-168	-618	-1,735	-1,043	-567	-246	-3,103	-1,712	9,465	-1,321	-844	-997	-989	-1,206	-18,834	-1,124	-1,446	-610	-441	-254
Cashflow From Financing	196.2%	25.00	-26.00	171	10,048	-2,273	-282	5,271	1,658	-128	-4,985	39,393	-283	-1,179	-19,864	52,849	-943	824	109,563	312	-896	904

SIEN Income Statement

2023-09-30

Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net sales	$ 19,544,000	$ 22,570,000	$ 65,231,000	$ 65,481,000
Cost of goods sold	9,515,000	9,794,000	30,440,000	27,118,000
Gross profit	10,029,000	12,776,000	34,791,000	38,363,000
Operating expenses:
Sales and marketing	9,330,000	12,290,000	29,487,000	41,542,000
Research and development	2,476,000	3,720,000	7,571,000	9,823,000
General and administrative	7,620,000	9,324,000	24,805,000	31,589,000
Total operating expenses	19,426,000	25,334,000	61,863,000	82,954,000
Loss from operations	(9,397,000)	(12,558,000)	(27,072,000)	(44,591,000)
Other (expense) income, net:
Interest income	168,000	41,000	458,000	58,000
Interest expense	(2,367,000)	(2,364,000)	(7,250,000)	(6,584,000)
Change in fair value of derivative liability	(3,153,000)	0	(3,153,000)	0
Other (expense) income, net	(24,000)	(6,000)	(125,000)	(1,000)
Total other (expense) income, net	(5,376,000)	(2,329,000)	(10,070,000)	(6,527,000)
Loss from continuing operations before income taxes	(14,773,000)	(14,887,000)	(37,142,000)	(51,118,000)
Income tax expense	0	0	0	0
Loss from continuing operations	(14,773,000)	(14,887,000)	(37,142,000)	(51,118,000)
Loss from discontinued operations, net of income taxes	0	(94,000)	0	(208,000)
Net loss	$ (14,773,000)	$ (14,981,000)	$ (37,142,000)	$ (51,326,000)
Basic net loss per common share
Continuing operations	$ (1.31)	$ (2.37)	$ (3.23)	$ (8.16)
Discontinued operations	0	(0.01)	0	(0.03)
Basic net loss per share	(1.31)	(2.38)	(3.23)	(8.19)
Diluted net loss per common share
Continuing operations	(1.31)	(2.37)	(3.23)	(8.16)
Discontinued operations	0	(0.01)	0	(0.03)
Diluted net loss per share	$ (1.31)	$ (2.38)	$ (3.23)	$ (8.19)
Weighted average outstanding common shares used for net loss per common share:
Basic	11,290,699	6,284,817	11,488,310	6,261,350
Diluted	11,290,699	6,284,817	11,488,310	6,261,350

SIEN Balance Sheet

2023-09-30

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 15,026	$ 26,071
Accounts receivable, net of allowances for doubtful accounts of $2,776 and $3,132 at September 30, 2023 and December 31, 2022, respectively	29,610	36,892
Inventories	39,268	42,692
Prepaid expenses and other current assets	2,604	2,094
Total current assets	86,508	107,749
Property and equipment, net	13,289	14,941
Goodwill	9,202	9,202
Other intangible assets, net	24,332	25,676
Right of use assets, net	5,753	7,004
Other assets	849	849
Total assets	139,933	165,421
Current liabilities:
Current portion of long-term debt	58,810	0
Accounts payable	5,284	6,818
Accrued and other current liabilities	20,655	22,599
Customer deposits	53,598	45,161
Sales return liability	13,745	15,773
Total current liabilities	152,092	90,351
Long-term debt	0	55,406
Derivative liability	3,153	880
Deferred and contingent consideration	1,794	2,791
Warranty reserve	8,758	8,186
Lease liabilities	4,129	5,518
Other liabilities	2,052	2,698
Total liabilities	171,978	165,830
Commitments and contingencies (Note 11)
Stockholders deficit:
Preferred stock, $0.01 par value - Authorized 10,000,000 shares: none issued or outstanding	0	0
Common stock, $0.01 par value - Authorized 200,000,000 shares; issued 11,375,478 and 10,709,716 and outstanding 11,368,205 and 10,702,444 shares at September 30, 2023 and December 31, 2022, respectively	114	107
Additional paid-in capital	699,894	694,395
Treasury stock, at cost (7,273 shares at September 30, 2023 and December 31, 2022)	(260)	(260)
Accumulated deficit	(731,793)	(694,651)
Total stockholders' deficit	(32,045)	(409)
Total liabilities and stockholders' deficit	$ 139,933	$ 165,421

About Sientra Inc

Sientra, Inc., a medical aesthetics company, develops and sells medical aesthetics products in the United States and internationally. It offers silicone gel breast implants for use in breast augmentation and breast reconstruction procedures; breast tissue expanders; and scar management products under the Sientra Round, Sientra Teardrop, AlloX2, Dermaspan, Softspan, and BIOCORNEUM brand names. The company also provides fat transfer systems; body contouring products; facial and nasal implants; saline filled sizers. It serves to hospitals, surgery centers, plastic surgeons, dermatologists, and other specialties. The company was formerly known as Juliet Medical, Inc. and changed its name to Sientra, Inc. in April 2007. Sientra, Inc. was incorporated in 2003 and is headquartered in Irvine, California.

CEO	Mr. Ronald Menezes
WEBSITE	https://sientra.com
INDUSTRY	Medical Instruments & Supplies
EMPLOYEES	304

Sientra Inc Frequently Asked Questions

What is the ticker symbol for Sientra Inc? What does SIEN stand for in stocks?

SIEN is the stock ticker symbol of Sientra Inc. Every public company that trades on a stock exchange gets a ticker symbol.

What is the market capital of Sientra Inc (SIEN)?

As of Thu Apr 18 2024, market cap of Sientra Inc is 837.04 Thousand. The market capitalization is calculated by multiplying the stock price with the number of shares outstanding.

What is the fair value of SIEN stock?

You can check SIEN's fair value in chart for subscribers.

What is the fair value of SIEN stock?

You can check SIEN's fair value in chart for subscribers. The fair value of Sientra Inc is provided for various growth and macro-economic scenarios from very pessimiatic to very optimistic assumptions. These fair values are estimates from Grufity's Fair Value model based on company's past performance. However, past performance of Sientra Inc is no guarantee of future performance. These fairvalue estimates should only be used as one of the inputs in your stock analysis. We provide model's historical fair value estimates for SIEN so that you know how good or bad the model has been in the past so you can discard it if needed. There are others that provide fair values of stocks such as wallmine, finbox, gurufocus and finviz. Most provide point in time estimates. We provide a history of our models fair value estimates so that you can get a sense of it's usefulness. Otherwise this data point is of little use.

Is Sientra Inc a good stock to buy?

The fair value guage provides a quick view whether SIEN is over valued or under valued. Whether Sientra Inc is cheap or expensive depends on the assumptions which impact Sientra Inc's fair value. We provide several scenarios of inflation and growth to encompass these range of assumptions for SIEN.

What is Sientra Inc's Price to Earnings (PE) and Price to sales (PS) ratio?

As of Thu Apr 18 2024, SIEN's PE ratio (Price to Earnings) is -0.02 and Price to Sales (PS) ratio is 0.01. The price to earnings and price to sales ratio are two most important valuation metrics for any company. PE ratio tell us the number of years of earnings investors are ready to pay for owning the company. Historically, S&P500 price to earnings ratio has fallen below 12 during periods of gloom and gone past 30 during periods of euphoria. SIEN PE ratio will change depending on the future growth rate expectations of investors.