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Insider trading compliance for UK and European issuers in the US.
Switch on Section 16 for the roster you already keep, so Forms 3, 4, and 5 sit in parallel with your local market requirements.
Trusted by the world's leading companies
Say goodbye to email and Excel.
Your Section 16 roster, holdings, and deadlines sit on the insider list you already keep for your home market.
Move your roster off Excel
Your directors, officers, and 10% holders are loaded from one CSV, with each role and its effective date. No rekeying.
Learn more about the Section 16 persons roster
Turn reviewed transactions into Forms
For each reviewed transaction, the right Form is prepared automatically with its deadline and the rule behind it.
Learn more about Section 16 reporting
Keep one holding for both regimes
Each director's holding in a security is updated automatically from US Forms 4 and home-market notifications alike.
Learn more about holdings in Section 16 reportingSwitch on US reporting in three steps.
Switch on
Confirm who reports and what they hold, then enable US ownership reporting for every roster you keep.
Designate members
Give each member a reporting role (director, officer, or 10% holder) with an effective date and their broker accounts. One CSV loads them all.
Report transactions
Load transactions from clearances, personal reports, or a CSV. Each required Form is drafted automatically with its deadline for your filing agent.
In depth
Follow a director from roster to filed Form.
Take a UK company listed on Nasdaq, with its directors already on an InsiderList roster.
Switch on US reporting for the roster you keep
Your administrator enables US ownership reporting and records each person's roles and effective dates.
A person can hold director and officer designations, each with a title and dates, so you can show who was an officer on March 1.
Broker accounts carry their own effective dates, and each person sees their designation and accounts in the portal. Membership stays on the Section 16 roster.
Review every transaction, gifts included
A director's gift to a family trust goes to Section 16 review as a transaction by a related entity. Your corporate secretary reviews its effect on the holding.
Where Form 4 applies, the Form shows the deadline and the rule that set it, as Calendars & deadlines explains.
Once the accession number is back, balances are checked against the holding, and any difference opens an exception. The website-posting deadline is added too.
See both regimes on one screen
In one transaction list, last month's home-market notification sits a row above the US Form 4. Each is labeled with its regime, and both move the same holding.
Nobody adds up notifications by hand. Each director sees their own holding, blackout period, and Form due dates in the portal.
One report per person covers both regimes in date order.
Keep your home market exactly as it is
Your PDMR and PCA lists, Article 19 notifications, closed-period notices, and dealing clearance run as they do today, with the same labels and reports.
Section 16 adds US reporting to your roster, and nothing a home-market colleague sees changes unless they open it.
Explore the platform lists every US module.
Related persons
Record a related person once and notify under each regime.
One related person and two regimes mean two notices, so the relationship is recorded once and each notice separately.
Record each relationship once
Each director's dated relationship with each related person is recorded once for both regimes and named on indirect Form 4 lines.
Send one notice per obligation
Each notice is tracked separately on the director's page, so sending the home-market notice never completes the US acknowledgment.
Approve each director's changes
Directors update their own related persons in the portal, and each change waits for your approval.
What compliance teams say.
See how listed companies, advisers and funds run their insider trading programs with InsiderList.
InsiderList is efficient and straightforward. We’ve been able to automate our compliance tasks with ease, and the support has been consistently responsive and helpful.
Katie Thomson
Assistant Company Secretary
Domino’s Pizza Group Plc
We are delighted to once again provide a cutting-edge technological solution to address a significant challenge. JTC Insider [InsiderList] has the ability to transform the regulatory reporting process and free up valuable time and resources.
Adam Jeffries
Chief Information Officer
JTC plc
InsiderList has a simple and intuitive interface, which made it easy for our team to adapt quickly. Their client support has been exceptional, and we were able to start benefiting from its features almost immediately.
Emma Woolard
Company Secretary
Boohoo Group plc
InsiderList helps us manage complex regulatory compliance across the organization. It substantially reduces risk and provides specialist regulatory advice we trust.
Louise O'Sullivan
Company Secretarial Assistant
Computacenter plc
With InsiderList, we can quickly create lists, track acknowledgments, and effectively manage the deal clearance process. This has saved time and reduced the administrative workload. The platform is easy to use and the support has been great.
Christa Zillwood-Hunt
General Counsel
LendInvest plc
After conducting a thorough review, InsiderList stood out as the clear market leader. Their advanced technology platform, deep understanding of the regulatory landscape, and ability to integrate into our core products sets them apart.
Thera Prins
CEO
Equiniti Shareholder Services (UK)
FAQs
Your questions, answered
Industry-leading security
We protect your data with 256-bit encryption, continuous monitoring, an annual independent penetration test, and ISO 27001, ISO 9001, and Cyber Essentials certification.
Advanced data encryption
256-bit encryption for your data in transit and at rest.
ISO 27001, ISO 9001, and Cyber Essentials
Our certified management systems for information security and quality are hosted on AWS.
Continuous security monitoring
24/7 monitoring with incident response procedures in place.
Free onboarding
We onboard all your data free of charge.
Free onboarding
Our team handles the setup, whether you are new to InsiderList or adding Section 16 to the roster you already keep. No implementation fee.
No IT support required
InsiderList is a standalone cloud platform. Nothing to install, nothing to host, and no ticket for your IT team.
Complete in 24 hours
Your data is loaded, checked, and ready to use within 24 hours of handing it over.
Leading compliance teams use InsiderList.
Schedule a product demo to see why. Or get a compliance review of the controls you run today.