Tempest Security AB (OSTO:TSEC) Insider Ownership: 0.00 % (As of Sep. 11, 2026)

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Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

OSTO:TSEC Tempest Security AB OSTO:TSEC
69 GF Score
Price kr9.65
GF Value kr18.40
Valuation Possible Value Trap
! 4 Warning Signs
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What is Tempest Security AB Insider Ownership?

Tempest Security AB OSTO:TSEC +1.05% 69 Insider Ownership is 0.00 % as of Sep. 11, 2026. GuruFocus rates OSTO:TSEC with a GF Score™ of 69/100 and a GF Value™ of kr18.40 (Possible Value Trap). The stock has 4 warning signs investors should review.

Insider ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Tempest Security AB's insider ownership is 0.00%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Tempest Security AB's Institutional Ownership is 8.14%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Tempest Security AB's Float Percentage Of Total Shares Outstanding is 0.00%.

Tempest Security AB Insider Ownership Historical Data

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The historical data trend for Tempest Security AB's Insider Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Tempest Security AB Insider Ownership Chart

Tempest Security AB Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Insider Ownership
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Tempest Security AB Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Insider Ownership Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00
OSTO:TSEC
69GF Score
Tempest Security AB OSTO:TSEC
Insider Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Tempest Security AB Insider Ownership Calculation

The percentage of shares that are owned by company insiders relative to the total shares outstanding.

Frequently Asked Questions Learn more about Insider Ownership →
What does a Insider Ownership of 0.00 % mean?
Tempest Security AB (OSTO:TSEC) has a Insider Ownership of 0.00 % as of Sep. 11, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Tempest Security AB and its competitors.
Is Tempest Security AB's Insider Ownership too high?
Tempest Security AB's current Insider Ownership is 0.00 %. Overall, Tempest Security AB has a GF Score™ of 69/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Tempest Security AB's Insider Ownership compare to ALLE and MSA?
Tempest Security AB's Insider Ownership of 0.00 % can be compared against companies in the Business Services industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Insider Ownership for a Business Services company?
A good Insider Ownership depends on the Business Services industry context. However, Insider Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Insider Ownership mean?
A high Insider Ownership can signal that a stock is expensive relative to its fundamentals. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Tempest Security AB and its competitors. Tempest Security AB's current Insider Ownership is 0.00 %. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tempest Security AB stock overvalued right now?
Based on GuruFocus' analysis, Tempest Security AB (OSTO:TSEC) is currently considered Possible Value Trap. The stock's GF Value™ is kr18.40, compared to a current price of kr9.65 — trading 47.6% below its estimated fair value. The current Insider Ownership is 0.00 %. Tempest Security AB's overall GF Score™ is 69/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Insider Ownership calculated?
Insider Ownership is calculated from a company's financial statements. For Tempest Security AB (OSTO:TSEC), the current Insider Ownership is 0.00 % as of Sep. 11, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Tempest Security AB (OSTO:TSEC) Overvalued in 2026?

Based on GuruFocus' analysis, Tempest Security AB stock appears to be undervalued. The current stock price of kr9.65 is trading 47.6% below its estimated GF Value™ of kr18.40. GuruFocus considers Tempest Security AB to be Possible Value Trap.

Key valuation signals for OSTO:TSEC:

  • Insider Ownership: 0.00 %
  • GF Value™: kr18.40 vs. price of kr9.65 (47.6% below fair value)
  • GF Score™: 69/100 with 4 warning signs

No single metric tells the full story. See the OSTO:TSEC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Tempest Security AB Business Description

Address Ralambsvagen 17, 18th Floor, Stockholm, SWE, 112 59
Tempest Security AB provides solutions for security, protection, and service. The company has two segments: Security Solutions and Risk Solutions. The company gains the majority of revenue from Security Solutions, where it provides security guards, orderlies, and shop control. Risk Solutions includes Consulting, training, personal protection, and other specialized services. Geographically, the business activities function through the regions of Sweden, Denmark, and the United Kingdom.
69GF Score

Get the complete analysis for OSTO:TSEC

Insider Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

kr9.65
Price
kr18.40
GF Value