Intrusion Inc stock gains attention as director plans and executes share sale

Intrusion Inc stock (ISIN US46121H1095) is in focus after a company director disclosed a planned sale of 15,000 shares and then executed the transaction on the Nasdaq market in early September 2026, with the shares sold at 0.7846 dollars per share on September 4, 2026 according to regulatory filings.

Director share sale and liquidity move

According to a Form 144 notice summarized by StockTitan, a director of Intrusion Inc filed for a proposed sale of 15,000 shares of common stock with an aggregate market value of 11,769 dollars and a planned transaction date of September 4, 2026, with 26,595,635 shares of Intrusion Inc common stock outstanding as of that reference date.

The same director subsequently reported the actual sale in a Form 4 filing, as relayed by StockTitan, selling 15,000 shares of Intrusion Inc common stock at a price of 0.7846 dollars per share on September 4, 2026 in an open market or private transaction.

After the sale, the director is reported to hold 187,843 shares of Intrusion Inc common stock directly, illustrating that the transaction represents only a portion of the director's total holdings and signaling a liquidity move rather than a full exit.

Market data and trading context

Market data compiled by Yahoo Finance show Intrusion Inc shares trading at 0.6920 dollars at the close on August 26, 2026, with a gain of 0.0920 dollars or 15.33%, followed by a pre market indication of 0.7667 dollars on a subsequent trading day.

Comparing the director's sale price of 0.7846 dollars per share on September 4, 2026 with the 0.6920 dollar close on August 26, 2026 indicates that the sale took place at a level about 13.4% higher than that prior closing price, underscoring that the transaction was executed at an improved market price relative to late August.

The reference to 26,595,635 shares outstanding in the Form 144 notice on September 4, 2026 implies a market capitalization in the low tens of millions of dollars when multiplied by trading levels around 0.70 to 0.80 dollars per share, highlighting Intrusion Inc as a smaller capitalization cybersecurity and network security stock on the Nasdaq Capital Market.

Regulatory filings confirm insider activity

The official statement of changes in beneficial ownership filed with the Securities and Exchange Commission for Intrusion Inc, accessible via the SEC's EDGAR system, confirms that the reporting person is a director of Intrusion Inc with the ticker INTZ and documents the September 4, 2026 transaction in common stock.

The Form 4 filing, as summarized by StockTitan, lists the transaction code for the sale of 15,000 shares and reiterates the post transaction direct ownership of 187,843 shares, providing investors with transparency on insider activity.

From an investor perspective, the combination of the Form 144 notice and the executed sale in the Form 4 gives a detailed view of how planned insider transactions translate into actual market trades, including the price level and remaining shareholding, which can be used to assess alignment between management and shareholders.

Intrusion Inc product and cybersecurity positioning

Intrusion Inc operates in the cybersecurity and network security space, offering solutions designed to protect organizations from malicious traffic and advanced threats, supporting clients that face increasing cyber risks as highlighted by numerous recent reports on attacks against US companies and critical infrastructure.

While the current filings focus on insider share activity and liquidity, Intrusion Inc's underlying business model continues to revolve around providing security software and services to enterprises and government related customers, positioning the company to benefit from the ongoing need for improved cyber defenses.

Intrusion Inc stock on Nasdaq

Intrusion Inc stock is listed on the Nasdaq Capital Market under the ticker INTZ in US dollars, and recent trading data around late August and early September 2026 show the shares moving between approximately 0.69 dollars and 0.78 dollars, with notable percentage changes on individual days.

For retail investors, the recent director share sale at 0.7846 dollars per share on September 4, 2026 and the trading levels seen at the end of August 2026 offer a concrete snapshot of how Intrusion Inc stock is valued in the market during this period, against the backdrop of broader cybersecurity concerns and the company's small capitalization profile.