Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

Funding and backers

Total raised
$94.6M
14 rounds on record
Latest round
$4.4k
Convertible Note · Jul 2025 · 14 mo ago
Team
201-500
employees, estimated range
Hiring now
1
open roles
Backers
1
Sapphire Ventures
The money's age
Due for its next round
14 months since the last round · hiring slowed
Momentum
15/100
in the news
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Sep 15 Launched StackHawk Launches Wingman to Autonomously Fix Vulnerabilities During AI Coding Sessions · PRNewswire Jul 22, 2025 Raised a round Convertible Note $4.4k · SEC Form D May 2, 2025 Raised a round Convertible Note $14.8M · SEC Form D May 2, 2025 Raised a round Convertible Note $14.8M · SEC Form D Nov 8, 2023 Raised a round Convertible Note $23k · SEC Form D Sep 2, 2022 Raised a round Convertible Note $30k · SEC Form D May 12, 2022 Raised a round Venture round $20.7M · Venturebeat Mar 25, 2021 Raised a round Convertible Note $16k · SEC Form D Dec 8, 2020 Launched StackHawk Launches Free Developer Plan for Application Security Testing · stackhawk.com Oct 27, 2020 Raised a round Series A $10M · StackHawk, Inc. Sep 1, 2020 Launched on Hacker News Show HN: Application Security Testing for Modern Engineering Teams Jul 7, 2020 Raised a round Convertible Note $4.8k · SEC Form D Mar 11, 2020 Raised a round Venture round $2.5M · SEC Form D Dec 17, 2019 Raised a round Convertible Note $3.1k · SEC Form D Jul 19, 2019 Raised a round Venture round $2.1M · SEC Form D 2019 Founded
Tractionpublic signals, read monthly
Web presence
top 0.32%
of 133.2M domains by links, Common Crawl
GitHub stars
14 public repositories
Launched on Hacker News
17 points
Funding rounds
RoundDateAmountInvestorsSource
Convertible Note Jul 2025 $4.4k — SEC Form D
Convertible Note May 2025 $14.8M — SEC Form D
Convertible Note May 2025 $14.8M — SEC Form D
Convertible Note May 2025 $14.8M — SEC Form D
Convertible Note May 2025 $14.8M — SEC Form D
Convertible Note Nov 2023 $23k — SEC Form D
Convertible Note Sep 2022 $30k — SEC Form D
Venture round May 2022 $20.7M — Venturebeat
Convertible Note Mar 2021 $16k — SEC Form D
Series A Oct 2020 $10M — StackHawk, Inc.
Convertible Note Jul 2020 $4.8k — SEC Form D
Venture round Mar 2020 $2.5M — SEC Form D
Convertible Note Dec 2019 $3.1k — SEC Form D
Venture round Jul 2019 $2.1M — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity StackHawk, Inc. its site
Founders and leadersfrom filings, registers and the company's site
Joni KlippertExecutive Officer, DirectorSEC Form D
Scott GerlachExecutive OfficerSEC Form D
Ryan SevernsExecutive OfficerSEC Form D
Bryce AmbraziunasExecutive OfficerSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
Endor LabsVenture round $70M · 3 yr ago • Founded 2021 • 51-200 employees • 29 roles
Endor Labs is an application security company founded in 2021 that builds a platform for securing both human-written and AI-generated code…
Legit SecuritySeries B $40M · 3 yr ago • Founded 2020 • 51-200 employees • 1 role
Legit Security secures the software development pipeline from code to deployment. Its platform maps build systems and detects supply chain…
CorgeaFounded 2023 • 51-200 employees • 7 roles
Corgea uses large language models to find and automatically fix security vulnerabilities in application code. Founded in 2023 in San…
Heeler11-50 employees
Deterministic fixes for exploitable risk first. Automated security at every stage of the AI SDLC, from prompt to runtime. Heeler is built…
We reproduced Anthropic's Mythos findings with public models. See the results >> An AI security lab, built by ethical hackers Vidoc…
Komment is the fastest way to monitor your code for security issues and technical debt before they hit production.

Overview

Secure AI-generated code before it ships. StackHawk enables coding agents to find, fix, and verify exploitable vulnerabilities automatically.

News

News SiliconANGLE 27 days ago
StackHawk's Wingman fixes security flaws while the AI agent is still coding
StackHawk's Wingman fixes security flaws while the AI agent is still coding - SiliconANGLE
Read more
Report
News YahooFinance 27 days ago
StackHawk Launches Wingman to Autonomously Fix Vulnerabilities During AI Coding Sessions
StackHawk, the application security company, today announced the public launch of Wingman, a product that gives software engineers the ability to autonomously fix security vulnerabilities in the same AI coding session in which the code was written. Wingma
Read more
Report
Press release PRNewswire 27 days ago
StackHawk Launches Wingman to Autonomously Fix Vulnerabilities During AI Coding Sessions
/PRNewswire/ -- StackHawk, the application security company, today announced the public launch of Wingman, a product that gives software engineers the ability...
Read more
Report
Blog 27 days ago
The Smartest People in AI Are Telling Us to Fix Everything. Now There Is a Way to Do It.
Wingman is broadly available today. Here is why we built it, and why the clock is louder than most security programs are acting like it is. We started StackHawk in 2019 to help engineers fix vulnerabilities. Not find them. Fix them. Finding was already a
Read more
Report
Blog 2 months ago
8 Best API Security Testing Tools in 2026
That gap is what API security testing tools fill. They point at a running API, work out which endpoints exist, and send the requests a normal client never would. Malformed payloads, tampered tokens, another user's object IDs, a thousand requests where one
Read more
Report
Blog 2 months ago
Broken Access Control: Examples, Detection, and Prevention
A user changes the id in a URL from 1024 to 1025 and receives an invoice their account was never authorized to see. A standard user sends a POST request to the admin-only /admin/users endpoint and receives a 201 response. Neither request exploits a clever
Read more
Report
Blog 2 months ago
API Penetration Testing: Methodology, Checklist & Tools
Using a JWT scoped to your current user, you make a GET request to /api/orders/1024. Then, as a quick test, you ask for an order your account has no business seeing and definitely shouldn't have access to. If the API hands it over, you've demonstrated Bro
Read more
Report
Blog 2 months ago
Time to Exploit Went Negative. Your Code Was Never On the Clock.
In 2018, the average gap between a CVE going public and the first confirmed exploitation of it in the wild was 2.3 years. Two years and change. You could see a CVE, log it, groom it, argue about severity, wait for the next maintenance window, get pulled o
Read more
Report
Blog 2 months ago
Cursor Rules: Setup, Best Practices, and Examples
Cursor generates code that ignores your project's conventions, puts files in the wrong directory, or reintroduces a pattern your team dropped six months ago. Not because the model is bad, but because it starts every session knowing nothing about how your
Read more
Report
Blog 2 months ago
The AI Coding Maturity Ladder, and the One Metric That Survives It
Every engineering org using AI coding agents is climbing the same ladder. Most don't know they're on it. And at almost every rung, they measure the wrong thing. We know because we watched it happen. Not just on our own teams, but on customer teams running
Read more
Report
Show more news

Tech stack

Technologies named in job postings at StackHawk over the last 12 months, by layer, with the share of postings for each.
Technologies in use
23
Postings analysed
1
Stack modernity
84/100AI adopter
Languages
Java
Kotlin
Python
Rust
TypeScript
Databases
PostgreSQL
Cloud & platforms
GitHub
GitLab
Kubernetes
Developer tools
Claude Code
Copilot
Cursor
Docker
Gradle
Model Context Protocol
OpenAI Codex
gRPC
AI & ML
LLM
Practices & domains
AI Agents
Context Engineering
Function Calling
LLM Evaluation
Tool Use
Sign in to see how your skills match this stack Sign In

Salary insights

Compensation ranges based on this company's open jobs
Median
$200k
Typical range
$200k
Open positions
1
1 Jobs
Senior 100%
Level Jobs Median Typical range
Senior 1 $200k $200k
Highest paying role Senior Software Engineer, Agentic Systems $200k
Normalized to USD per year

People

Joni Klippert
Executive Officer, Director
Scott Gerlach
Executive Officer
Ryan Severns
Executive Officer
Bryce Ambraziunas
Executive Officer
Todd Vernon
Director
Greg Sands
Director
David Hartwig
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

Growth

Hiring Momentum
28/100
Slowing
Open positions
1
0 opened / 0 closed in 30 days
ATS activity
Every ~4 hours
Today
Hiring Dynamics 0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
100% ▼

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Denver
Denver United States
HQ
1 open roles 1 posted in 90 days 100% engineering 200-500 est. staff $200k Avg Salary
hires for Backend
opened 2020 seen since Aug 2026 job postings

Jobs

$150k – $200k per year • Equity • In office • Full-Time • 6+ years exp • Denver
Python
Java
Rust
Kotlin
TypeScript
Gradle
Databases
PostgreSQL
AI/ML
Copilot
Cursor
Claude Code
Model Context Protocol
Function Calling
AI Agents
LLM
OpenAI Codex
Context Engineering
LLM Evaluation
Tool Use
DevOps
gRPC
Docker
Kubernetes
GitHub
GitLab
Cybersecurity
StackHawk
Apply

Financials

Total raised
$94.6M
Latest round
Convertible Note
Funding rounds
14
Funding rounds
Round Announced Amount
Convertible Note 2025 $4.4k Details
Convertible Note 2025 $14.8M Details
Convertible Note 2025 $14.8M Details
Convertible Note 2025 $14.8M Details
Convertible Note 2025 $14.8M Details
Convertible Note 2023 $23k Details
Convertible Note 2022 $30k Details
Venture - Series Unknown 2022 $20.7M Details
Convertible Note 2021 $16k Details
Series A 2020 $10M Details
Convertible Note 2020 $4.8k Details
Venture - Series Unknown 2020 $2.5M Details
Convertible Note 2019 $3.1k Details
Venture - Series Unknown 2019 $2.1M Details