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Tenable Holdings, Inc. Stock: price and insider trades · United States
No insider purchase over the last 90 days. The latest, by Brown Matthew Charles, was filed 05 May 2026.
Tenable Holdings, Inc.: what insiders have been doing
Tenable Holdings, Inc., founded in 2002, is a Technology company based in Columbia, United States. Its directors and officers file their transactions with SEC (Form 4). From 21 October 2025 to 21 October 2026, the disclosure feed for Tenable Holdings, Inc. logged 79 filings by 14 insiders.
On the market, 3 insiders bought (3 purchases totalling €523k) while 1 insider sold (5 sales totalling €122k). Purchases outweigh sales by €401k. Unlike grants, an open-market purchase is paid for by the insider, at the market price. The largest single trade was a purchase of €221k by Brown Matthew Charles, published on 5 May 2026, equal to 0.0065% of the market capitalisation. The buyers include 2 senior executives and 1 finance chief.
Across the 5,812 companies tracked on its exchange, the median is 19 filings; at 79 filings, this issuer sits above that mark. Over the whole record (from 2021), the tally stands at 3 purchases and 69 sales. In its latest annual report filed with the SEC (10-K, fiscal year ended 31 December 2025), the company reported revenue of 999.4 m USD and net income of -36.1 m USD.
The data flag 1 purchase as part of a group of insiders buying within 30 days of each other. Such overlaps are known as a cluster signal: distinct people reaching the same decision at about the same time. The last purchase on record was published on 5 May 2026, which is 169 days ago. Typically, a trade is published a median of 1 day after it takes place. US insiders must file a Form 4 within two business days of a trade. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning.
For comparison within the same sector, see the insider buying recorded at Core Scientific, Inc./tx and Gitlab Inc. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.
Insider Decl.
361
Thresholds
n/a
Buy Volume
€523,248
3 ops. · all time
Sell Volume
€12M
69 ops. · all time
Who traded when
BuySaleMark C. Thurmond7 sales
Linda Kay Zecher6 sales
Barron Anschutz5 sales
Stephen A. Vintz4 sales
A. Brooke Seawell2 sales
Raymond Vicks Jr.1 buy1 sale
+2 other insiders
Since the insiders bought
- +69.8%Entry US$21.16 · Close at T+90 US$35.94
- -2.8%Entry US$22.10 · Close at T+90 US$21.49
- -6.9%Entry US$22.90 · Close at T+90 US$21.31
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Analyst consensus: bullish or bearish?
Analysts rate Tenable Holdings, Inc. Hold (neutral), based on 20 analysts. Average price target: US$35.35.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Fundamental score
Ranked 16,520 of 26,279 companies
43.4
score / 100
Value48
Quality39
FCF yld5.8%
Earn yld-0.8%
EV/EBITDA·
ROE2.5%
Gross mgn78%
Net mgn-3.6%
Debt/EBITDA8.7x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
US$38.12
Analyst consensus
20 analystsHold
US$23.00Target US$35.35(-7%)US$50.00
Income statement
RevenueUS$999.4M
Gross profitUS$780.5M78% margin
EBITDAUS$47.4M5% margin
Net income-US$36.1M0.6% margin
Valuation
PER (trailing)635.3x
PER (forward)17.4x
P/Book21.2x
Beta1.01
Balance sheet & cash
Market capUS$4.2B
Total debtUS$414.7M
Free Cash FlowUS$250.2M
Debt / Equity212%
Profitability & ownership
ROE2.5%
ROA2.0%
% insiders1.5%
% institutions109.4%
Last declaration on 25 August 2026
Declarations361 total
1,258 shares0Common StockSEC:0001309403-26-000011:2
5,095 shares0Common StockSEC:0001345943-26-000012:6
4,519 shares0Common StockSEC:0001345943-26-000012:10
7,764 shares0Common StockSEC:0001651579-26-000008:8
7,400 shares@ US$34.380.0062% mcap39.4% of flowCommon StockSEC:0001766979-26-000010:1
1,595 shares0Common StockSEC:0001345943-26-000012:0
7,764 shares0Common StockSEC:0001345943-26-000012:8
764 shares@ US$33.940.0006% mcap0.1% of flowCommon StockSEC:0001345943-26-000012:1
2,438 shares@ US$33.940.0020% mcap0.4% of flowCommon StockSEC:0001345943-26-000012:7
3,716 shares@ US$33.940.0031% mcap0.6% of flowCommon StockSEC:0001345943-26-000012:9
2,163 shares@ US$33.940.0018% mcap0.3% of flowCommon StockSEC:0001345943-26-000012:11
562 shares@ US$33.940.0005% mcap0.4% of flowCommon StockSEC:0001651579-26-000008:1
2,947 shares@ US$33.940.0024% mcap2.1% of flowCommon StockSEC:0001651579-26-000008:5
1,337 shares0Common StockSEC:0001309403-26-000011:0
640 shares@ US$33.940.0005% mcap4.4% of flowCommon StockSEC:0001309403-26-000011:1
602 shares@ US$33.940.0005% mcap4.1% of flowCommon StockSEC:0001309403-26-000011:3
1,629 shares0Common StockSEC:0001309403-26-000011:4
780 shares@ US$33.940.0006% mcap5.3% of flowCommon StockSEC:0001309403-26-000011:5
14,544 shares0Common StockSEC:0001766979-26-000010:0
2,345 shares0Common StockSEC:0001345943-26-000012:2
1,123 shares@ US$33.940.0009% mcap0.2% of flowCommon StockSEC:0001345943-26-000012:3
6,095 shares0Common StockSEC:0001345943-26-000012:4
2,917 shares@ US$33.940.0024% mcap0.5% of flowCommon StockSEC:0001345943-26-000012:5
1,162 shares0Common StockSEC:0001651579-26-000008:0
2,267 shares0Common StockSEC:0001651579-26-000008:2
25 of 361 declarations
About Tenable Holdings, Inc.
Tenable Holdings, Inc. (NASDAQ: TENB) is a U.S.-based cybersecurity software company focused on vulnerability management and, increasingly, on exposure management: identifying, prioritizing, and reducing security weaknesses across the full attack surface. Founded in 2002 and headquartered in Columbia, Maryland, United States, Tenable is best viewed by investors as an enterprise software vendor with a recurring-revenue profile and a mission centered on security visibility, analytics, and risk remediation. ([tenable.com](https://www.tenable.com/about-tenable/about-us?utm_source=openai))
The company originally built its reputation around Nessus, one of the most widely adopted vulnerability scanning tools in the market. Over time, it expanded beyond point products into a broader platform strategy. Today, its flagship offering is Tenable One, an exposure management platform designed to unify visibility, insight, and action across IT infrastructure, cloud environments, OT/IoT assets, and, more recently, AI-related attack surfaces. This strategic evolution matters because it moves Tenable from pure vulnerability detection toward a more executive-level risk management proposition, which can deepen platform usage and increase wallet share over time. ([tenable.com](https://www.tenable.com/about-tenable/about-us?utm_source=openai))
Read moreShow less
In competitive terms, Tenable operates in a crowded cybersecurity landscape alongside vendors spanning vulnerability management, attack surface management, cloud security posture management, and adjacent exposure-reduction tools. Its differentiation is built on broad CVE coverage, cross-domain visibility, and decision-ready prioritization for security teams. The company says it serves more than 40,000 customers worldwide, including a significant share of large global enterprises, which indicates meaningful scale and strong enterprise credibility. ([tenable.com](https://www.tenable.com/about-tenable/about-us?utm_source=openai))
Geographically, Tenable has a global footprint and operates across dozens of countries, which aligns with its enterprise and public-sector customer base. Its listing on the NASDAQ, rather than the NYSE, reinforces its identity as a technology growth stock rather than a traditional industrial or financial issuer. ([tenable.com](https://www.tenable.com/about-tenable/about-us?utm_source=openai))
Recent developments underscore the company’s current strategy. In early 2026, Tenable reported full-year 2025 revenue of roughly $999 million, alongside stronger cash generation and an increased share repurchase authorization. Product-wise, the company has recently introduced new OT discovery capabilities, new AI-focused exposure features, and more flexible pricing and packaging, signaling a push to accelerate adoption of Tenable One and to remain relevant as the attack surface broadens across cloud, AI, and cyber-physical systems. ([investors.tenable.com](https://investors.tenable.com/news-releases/news-release-details/tenable-announces-fourth-quarter-and-full-year-2025-financial/?utm_source=openai))
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