Tenable Holdings (TENB) stock: insider trades, news & valuation
Strong buyingShare price and insider trades
Tenable Holdings insider trading at a glance (Oct 9, 2026): in the past 12 months, 3 insiders bought $616K and 4 sold $3.1M of TENB stock on the open market.
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TENB insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $207K | 6 |
| Q2 2026 | $258K | 1 | — | 0 |
| Q1 2026 | $358K | 2 | — | 0 |
| Q4 2025 | — | 0 | $2.9M | 2 |
Valuation, profit and volume
Summary
Over the past 12 months, 3 Tenable Holdings, Inc. insiders reported open-market purchases totaling $616K, while 4 insiders reported sales totaling $3.1M. 1 of 8 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Aug 20SEC | Linda Kay ZecherDirector | Sell | 7007,702 held (−8%) | $35.46 | $25K | +17.3% | — |
| Aug 20SEC | Linda Kay ZecherDirector | Sell | 6907,012 held (−9%) | $35.76 | $25K | +16.3% | — |
| Aug 11SEC | Raymond Vicks Jr.Director | Sell Plan | 1,81920,509 held (−8%) | $35.94 | $65K | +15.7% | — |
| Aug 11SEC | Linda Kay ZecherDirector | Sell | 1,4709,552 held (−13%) | $34.00 | $50K | +22.3% | — |
| Aug 11SEC | Linda Kay ZecherDirector | Sell | 6008,952 held (−6%) | $36.00 | $22K | +15.5% | — |
| Aug 11SEC | Linda Kay ZecherDirector | Sell | 5508,402 held (−6%) | $36.50 | $20K | +13.9% | — |
| May 5SEC | Matthew Charles BrownCFO | Buy | 12,00030,541 held (+65%) | $21.54 | $258K | +93.1% | — |
| Feb 13SEC | Raymond Vicks Jr.Director | Buy | 4,50016,266 held (+38%) | $22.17 | $100K | +87.6% | — |
| Feb 9SEC | Arthur W Coviello Jr.Director | Buy | 12,00051,731 held (+30%) | $21.50 | $258K | +93.4% | — |
| Dec 17SEC | A Brooke SeawellDirector | Sell | 115,000 | $24.82 | $2.9M | +67.6% | — |
| Oct 20SEC | Barron AnschutzPrincipal Accounting Officer | Sell | 97661,420 held (−2%) | $29.10 | $28K | +42.9% | — |
Insiders at Tenable Holdings, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| A Brooke SeawellDirector | — | $2.9M | Dec 17, 2025 | — |
| Matthew Charles BrownCFO | $258K | — | May 5, 2026 | — |
| Arthur W Coviello Jr.Director | $258K | — | Feb 9, 2026 | — |
| Raymond Vicks Jr.Director | $100K | $65K | Aug 11, 2026 | — |
| Linda Kay ZecherDirector | — | $141K | Aug 20, 2026 | — |
| Barron AnschutzPrincipal Accounting Officer | — | $28K | Oct 20, 2025 | — |
TENB stock: common questions
Are Tenable Holdings, Inc. insiders buying TENB stock?
In the past 12 months, 3 insiders reported open-market purchases of TENB worth $616K. The latest was CFO Matthew Charles Brown bought $258K of TENB at $21.54 — first open-market purchase in our records; raises the stake by 65%.
Are Tenable Holdings, Inc. insiders selling TENB stock?
4 insiders reported sales worth $3.1M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is TENB's 52-week range?
Over the past year TENB has traded between $16.04 and $42.65. It last closed at $41.59 on Oct 9, 2026.