Mercerline
See who filed before the story breaks
Mercerline tracks insider Form 4, politician PTR, and institution 13F filings on US equities as they clear. Open investor dossiers and company context when a disclosure matters — before the headline.
US equity disclosure intelligence — same-day Form 4, PTR, and 13F tracking with investor dossiers
Public on day one. Headline months later.
Mercerline catches the filing when it clears, not when the headline lands.
The window: disclosures are public on day one. headline months later..
Track the filing. Know the filer.
Insiders, politicians, and big funds are all on the same rail, from the daily recap to the dossier.
- Daily disclosure recap — Form 4, PTR, and 13F that cleared the bar, assembled each session so you see what filed instead of what went viral.
- Investor dossiers — Open the filer, whether insider, politician, or institution, and stay on one rail of disclosures, related tickers, and outcomes.
- Company context when it matters — Jump from a disclosure into the issuer with price, filings, and fundamentals, only when the ticker deserves a closer look.
Your morning edge in four steps
Filings are public. Mercerline puts them on one screen before the headline.
- See what filed overnight — Form 4, PTR, and 13F land in one feed as disclosures clear. Open Mercerline before the market and you already know who moved.
- One filing, full context — Each recap card opens into a brief with the filing, price reaction, and everyone involved — before you commit to a dossier.
- Trade history on one page — Click through to the filer for every trade, related tickers, and outcomes. No digging through EDGAR or waiting for a tweet thread.
- Price, filings, and fundamentals — Jump into the issuer when a filing clears the bar — chart, financials, and disclosure history on one page.
Filings are public. Attention is not.
Mercerline assembles what cleared overnight so you open one workspace instead of five tabs.
Coverage
Form 4, House PTR, Senate PTR, Executive PTR, 13F, SEC EDGAR, earnings transcripts, press, 8-K, and macro calendars for the US, EU, UK, and China.
Pricing
$99/mo or $999/yr. Full access to Explore, investor dossiers, company context, and macro calendar.
Learn
Research
Daily US equity disclosure highlights — one public filing story per day.
Ticker pages
- NVDA disclosure context
- AAPL disclosure context
- MSFT disclosure context
- GOOGL disclosure context
- AMZN disclosure context
- META disclosure context
- TSLA disclosure context
- AVGO disclosure context
- AMD disclosure context
- ASML disclosure context
- TSM disclosure context
- INTC disclosure context
- JPM disclosure context
- XOM disclosure context
- LLY disclosure context
FAQ
- What is Mercerline for?
- Tracking US equity disclosures, including insider Form 4, politician PTR, and institution 13F, with investor dossiers and company context when you need it.
- What do I get on day one?
- Full access to Explore, investor and company dossiers, and the macro calendar.
- Can I cancel?
- Yes. $99/mo or $999/yr with Whop. Manage billing anytime in Settings.
- Already a member?
- Choose Sign in in the menu. Google opens instantly. Use the same email as your Whop checkout.
- Is this investment advice?
- No. Mercerline is a research workspace only.