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CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
$0.00
$0.00
$0.00
$0.04
$11K-3.0319,604 shs4,329 shs
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
$0.22
+14.7%
$0.40
$0.01
$1.48
N/AN/A13,171 shs680 shs
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
$0.00
$0.00
$0.00
$1K0.82,572 shsN/A
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
$0.00
$0.01
$0.00
$2.88
$14K0.471.13 million shsN/A
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
0.00%0.00%-33.33%+33.33%-97.50%
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
-26.41%-44.12%-56.82%-68.67%+973.45%
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
0.00%0.00%0.00%0.00%-50.00%
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
0.00%-95.00%-92.86%-50.00%-92.54%
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
$0.00
$0.00
$0.00
$0.04
$11K-3.0319,604 shs4,329 shs
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
$0.22
+14.7%
$0.40
$0.01
$1.48
N/AN/A13,171 shs680 shs
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
$0.00
$0.00
$0.00
$1K0.82,572 shsN/A
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
$0.00
$0.01
$0.00
$2.88
$14K0.471.13 million shsN/A
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
0.00%0.00%-33.33%+33.33%-97.50%
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
-26.41%-44.12%-56.82%-68.67%+973.45%
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
0.00%0.00%0.00%0.00%-50.00%
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
0.00%-95.00%-92.86%-50.00%-92.54%
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
0.00
N/AN/AN/A
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
0.00
N/AN/AN/A
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
0.00
N/AN/AN/A
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
0.00
N/AN/AN/A
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
$104.20M0.00N/AN/AN/A
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
$19.31MN/AN/AN/AN/AN/A
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
$23.04M0.00N/AN/A($1.13) per share0.00
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
$10.93M0.00N/AN/A($0.99) per share0.00
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
-$12.88MN/A0.00N/AN/AN/AN/AN/A
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
N/AN/A0.00N/AN/AN/AN/AN/A
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
-$19.35MN/A0.00N/AN/AN/AN/AN/AN/A
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
-$144.85MN/A0.00N/AN/AN/AN/A-428.46%N/A
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
N/AN/AN/AN/AN/A
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
N/AN/AN/AN/AN/A
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
N/AN/AN/AN/AN/A
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
N/AN/AN/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
N/AN/AN/A
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
N/AN/AN/A
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
N/AN/AN/A
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
N/A
0.18
0.12

Institutional Ownership

CompanyInstitutional Ownership
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
5.41%
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
N/A
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
N/A
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
35.04%

Insider Ownership

CompanyInsider Ownership
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
45.10%
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
N/A
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
46.50%
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
34.20%
CompanyEmployeesShares OutstandingFree FloatOptionable
Alpine 4 Holdings, Inc. stock logo
ALPP
Alpine 4
48027.06 million14.85 millionNo Data
AmpliTech Group, Inc. stock logo
AMPGW
AmpliTech Group
40N/AN/ANot Optionable
Sonic Foundry, Inc. stock logo
SOFO
Sonic Foundry
19012.14 million6.50 millionNot Optionable
Tempo Automation Holdings, Inc. stock logo
TMPO
Tempo Automation
327.14 million17.86 millionOptionable

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Media Sentiment Over Time

Alpine 4 stock logo

Alpine 4 NASDAQ:ALPP

$0.0004 0.00 (0.00%)
As of 01:56 PM Eastern

Alpine 4 Holdings, Inc. operates as an industrial conglomerate in North America. The company offers automotive technologies, including 6th Sense Auto, a connected car technology that provides various advantages to management, sales, finance, and service departments in the automotive dealership industry for productivity, profitability, and customer retention; and BrakeActive, a safety device that improve vehicle's third brake light's ability to reduce or prevent a rear-end collision. It also designs, fabricates, and installs dust collectors, commercial ductwork, kitchen hoods, industrial ventilation systems, machine guards, architectural work, water furnaces, and other products, as well as offers specialized spiral ductwork. In addition, the company provides logistics services for various industries, such as medical, consumer electronics, energy, and disaster relief; electronic contract manufacturing services; contract manufacturing services for dietary and nutritional supplements; international contracting, fabricator, and project management services; and geospatial and 3D data services for various industries, including construction, oil/gas, mining, and quarries. It also manufactures and sells electronic components; and designs, manufactures, and distributes commercial LED lighting and electronics, such as televisions, mounting solutions, projectors and screens, audio equipment, digital signage, mobile audio and video systems, and various wire and connecting products. The company was formerly known as Alpine 4 Technologies, Ltd. and changed its name to Alpine 4 Holdings, Inc. in March 2021. Alpine 4 Holdings, Inc. was incorporated in 2014 and is based in Phoenix, Arizona.

AmpliTech Group stock logo

AmpliTech Group NASDAQ:AMPGW

$0.22 +0.03 (+14.74%)
As of 04:00 PM Eastern

AmpliTech Group, Inc. designs, engineers, and assembles micro-wave component-based amplifiers. The company's products include radio frequency (RF) amplifiers and related subsystems, such as low noise amplifiers for use in receivers of various communication systems comprising Wi-Fi, radar, satellite, base station, cell phone, radio, etc.; and medium power amplifiers that provide enhanced output power and gain in transceiver chains. It provides specialty microwave block downconverters used as a test device on satellite access point antennas; specialty microwave 1:2 Tx protection switch panels that is used in satellite communication earth stations; desktop/benchtop and compact wideband power amplifiers used in SATCOM rack mount systems, as well as test equipment used in integrators and manufacturers of various communications systems, such as cellular base stations, simulators, and point to point wireless radios; and waveguide to coaxial adapters for SATCOM and satellite internet gateway systems. In addition, the company offers cryogenic amplifiers for quantum computing, medical, RF imaging, research and development, space communications, accelerators, radiometry, and telephony applications; and cryogenic and non-cryogenic 4g/5g small cell subsystems for high-speed networks and airline Wi-Fi systems. Further, it provides custom assembly designs and non-recurring engineering services on a project-by-project basis, as well as IC packaging and lids products. The company serves aerospace, government, defense, commercial satellite, and wireless industries through sales representatives and distributors in the United States, Europe, the Middle East, and South Asia. AmpliTech Group, Inc. was founded in 2002 and is based in Hauppauge, New York.

Sonic Foundry stock logo

Sonic Foundry NASDAQ:SOFO

Sonic Foundry, Inc. provides video capture, management, and streaming solutions in the United States, Europe, the Middle East, Asia, and internationally. The company offers Video Capture solutions, including Mediasite Recorder and Recorder Pro that are built-in room appliances used in schedule-based capture and advanced audio/video integration; Mediasite Mobile Recorders, a portable recording device used to capture and stream broadcast-quality video; Mediasite Mosaic & Mosaic Pro that allows instructors, employees, and students to create videos, screencasts, and slideshows from their computers or mobile devices; and Mediasite Capture, a browser-based recording application that provides users a quick way to record their camera, microphone, and desktop. It also provides Video Management and Delivery solutions to manage, search, analyze, publish, and stream video content; Vidable, an AI powered solution that turns an organization's video libraries into dynamic knowledge base; Global Learning Exchange that provides students to access higher education in a flexible, cost effective, and locally supported environment; and Mediasite Cloud, a Software as a Service solution to host and manage customers' content. It markets its products to educational institutions, corporations, and government entities through reseller networks, direct sales, and partnerships with system integrators. Sonic Foundry, Inc. was founded in 1991 and is headquartered in Madison, Wisconsin.

Tempo Automation stock logo

Tempo Automation NASDAQ:TMPO

$0.0005 0.00 (0.00%)
As of 10/22/2025

Tempo Automation Holdings, Inc. manufactures and sells electronic products. The company produces printed circuit board assemblies (PCBAs) for prototype and on-demand production markets; and turnkey PCBA services. It serves space, semiconductor, aviation and defense, and medical device, as well as industrials and e-commerce industries. Tempo Automation Holdings, Inc. was founded in 2013 and is headquartered in San Francisco, California. On December 8, 2023, Tempo Automation Holdings, Inc., along with its affiliate, filed a voluntary petition for liquidation under Chapter 7 in the U.S. Bankruptcy Court for the District of Delaware.