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Tenable8-K: Cybersecurity investment

Tenable raises $800M in convertible notes for strategic initiatives and debt repayment.

What happened

This $800M capital infusion, part of which will repay existing debt, provides Tenable with a significant 'war chest' for strategic moves like M&A or accelerated R&D, creating needs for platform integration and operational scaling.

Source

SEC EDGARSep 15, 2026

Current report (Form 8-K)

Tenable 8-K

Filing excerpt

On September 15, 2026, Tenable Holdings, Inc. (the “Company”) completed its previously announced private offering (the “Offering”) of $800,000,000 aggregate principal amount of 0.25% Convertible Senior Notes due 2031 (the “Notes”), including the exercise in full of the initial purchasers’ option to purchase up to an additional $75,000,000 principal amount of the Notes.

sec.gov/Archives/edgar/data/1660280/000166028026000039/tenb-20260910.htmRead the full source

Other signals in this filing (2)

Extracted by Autobound

From the Signal API record
Signal
8-K: Cybersecurity investment

What this signalsFilings often name leadership changes, deals and spending plans.

Form
8-K
Fiscal year end
09/10
Filed
Sep 15, 2026

The full record

From the Signal API record

Numbers

Dollar figure
$800M (Capital raised from convertible notes offering, intended for debt repayment and other strategic initiatives.)

Details

CIK
1660280
Accession number
0001660280-26-000039
Timeframe
Immediate
Filing year
2026
Why it matters
Security vendor opportunity
Signal category
Technology

Topics and mentions

Vendors

  • U.S. Bank Trust Company
  • National Association

Vendors named

  • U.S. Bank Trust Company, National Association

Extraction

Confidence
High
Relevance
90%
Sentiment
Positive
Detected
Sep 22, 2026
signal_type
sec-8k
signal_subtype
cybersecurityInvestment

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The API returns more than this page shows

This page shows a preview. The full sec-8k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
Show the full JSONThe record on this page and the API request

GET /v1/signals/c8b55919-743a-4f29-b67e-d8bfb3e5f6ba returns this record as JSON. POST /v1/companies/enrich returns every signal for tenable.com.

{
  "signal_id": "c8b55919-743a-4f29-b67e-d8bfb3e5f6ba",
  "signal_type": "sec-8k",
  "signal_subtype": "cybersecurityInvestment",
  "detected_at": "2026-09-22T07:06:56.889+00:00",
  "company": {
    "name": "Tenable",
    "domain": "tenable.com"
  },
  "data": {
    "detail": "This $800M capital infusion, part of which will repay existing debt, provides Tenable with a significant 'war chest' for strategic moves like M&A or accelerated R&D, creating needs for platform integration and operational scaling.",
    "metrics": {
      "timeframe": "immediate",
      "dollar_context": "Capital raised from convertible notes offering, intended for debt repayment and other strategic initiatives.",
      "dollar_millions": 800
    },
    "summary": "Tenable raises $800M in convertible notes for strategic initiatives and debt repayment.",
    "excerpts": "On September 15, 2026, Tenable Holdings, Inc. (the “Company”) completed its previously announced private offering (the “Offering”) of $800,000,000 aggregate principal amount of 0.25% Convertible Senior Notes due 2031 (the “Notes”), including the exercise in full of the initial purchasers’ option to purchase up to an additional $75,000,000 principal amount of the Notes.",
    "relevance": 0.9,
    "sentiment": "positive",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1660280/000166028026000039/tenb-20260910.htm",
    "filing_date": "2026-09-15",
    "filing_year": 2026,
    "fiscal_year_end": "09/10",
    "sales_relevance": "Security vendor opportunity",
    "signal_category": "technology",
    "vendors_mentioned": [
      "U.S. Bank Trust Company, National Association"
    ]
  }
}

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