TENB

U.S. cybersecurity stocks jumped after warnings about erratic AI behavior. Palo Alto Networks rose 10.0% and Fortinet 8.8% in the September 11–18 trading week.

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Tenable (TENB) saw its shares surge in the last session with trading volume being higher than average. The latest trend in earnings estimate revisions may not translate into further price increase in the near term.

COLUMBIA, Md., Sept. 10, 2026 (GLOBE NEWSWIRE) -- Tenable Holdings, Inc. (Nasdaq: TENB) (“Tenable”), the exposure management company, announced today the pricing of $725.0 million aggregate principal amount of 0.25% Convertible Senior Notes due 2031 (the “notes”) in a private placement (the “offering”) only to persons reasonably believed to be “qualified institutional buyers” pursuant to Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”). The offering was upsized from the previously announced offering size of $650.0 million aggregate principal amount of the notes. Tenable has also granted the initial purchasers of the notes an option to purchase, during a 13-day period beginning on, and including, the date on which the notes are first issued, up to an additional $75.0 million aggregate principal amount of the notes. The sale of the notes to the initial purchasers is expected to close on September 15, 2026, subject to customary closing conditions.

Tenable credits market share leadership to continued platform innovation, including agentic AI advancements and demand for securing AI environments Tenable credits market share leadership to continued platform innovation, including agentic AI advancements and demand for securing AI environments

COLUMBIA, Md., Sept. 10, 2026 (GLOBE NEWSWIRE) -- Tenable Holdings, Inc. (Nasdaq: TENB) (“Tenable”), the exposure management company, today announced that it intends to offer, subject to market conditions and other factors, $650.0 million aggregate principal amount of Convertible Senior Notes due 2031 (the “notes”) in a private placement (the “offering”) only to persons reasonably believed to be “qualified institutional buyers” pursuant to Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”).

Access from Anthropic will power Tenable One Adversary View, helping security teams visualize attack paths and how to stop attacker progression Access from Anthropic will power Tenable One Adversary View, helping security teams visualize attack paths and how to stop attacker progression

Government and industry unite to address vulnerabilities amid growing cyber threats Government and industry unite to address vulnerabilities amid growing cyber threats

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