13F filings for Q3 2026: who has filed?

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1. EUMAR art. 19

   MAR art. 19EUWhat is a MAR Article 19 notification?How directors' dealings are reported in the EU under the Market Abuse Regulation: who must report, the deadline, the threshold, what a notification contains and where to find them.
2. USSEC Form 4

   SEC Form 4USHow to read an SEC Form 4A field-by-field guide to the Form 4 that US company insiders file with the SEC: who files it, the two-day deadline, the transaction codes, and the 10b5-1 checkbox.
3. USSTOCK Act

   STOCK ActUSWhat members of Congress must disclose about their tradesHow the STOCK Act makes members of the US Congress report their stock trades: the 30- and 45-day deadlines, the $1,000 threshold, the amount ranges, and what is left out.
4. EUNetherlands · AFM

   Netherlands · AFMEUWhen does an insider have to report a trade in the Netherlands?Who reports trades to the Dutch AFM, the three-day deadline, the €20,000 threshold, the extra Wft duty for board members, and where you find the filings.
5. EUGermany · BaFin

   Germany · BaFinEUWhen does an insider have to report a trade in Germany?Directors' dealings in Germany: who reports to BaFin, the three-day deadline, the €50,000 threshold that applies since 1 January 2026, and where the filings appear.
6. EUBelgium · FSMA

   Belgium · FSMAEUWhen does an insider have to report a trade in Belgium?Managers' transactions in Belgium: who reports to the FSMA through eMT, the three-day deadline, the €20,000 threshold, and why the issuer has to confirm a filing first.
7. EUSweden · FI

   Sweden · FIEUWhen does an insider have to report a trade in Sweden?Insider trades in Sweden: who reports to Finansinspektionen, the three-day deadline, the €20,000 threshold, and how the insider register (insynsregistret) works.
8. EUSpain · CNMV

   Spain · CNMVEUWhen does an insider have to report a trade in Spain?Managers' transactions in Spain: who reports to the CNMV, the three-day deadline, the €20,000 threshold in Article 230 of the Securities Market Act, and where the filings appear.
9. EUMAR art. 19(11)

   MAR art. 19(11)EUWhat is a closed period?The 30 days before a listed EU company publishes its results, when its managers may not trade its shares: the rule, the exceptions, the Listing Act changes and the US blackout.
10. EUMAR art. 3

    MAR art. 3EUWhat is a PDMR?Who counts as a person discharging managerial responsibilities (PDMR) under EU law, who is closely associated with them, and why it matters for reporting trades.
11. USSEC Section 16

    SEC Section 16USForm 3, 4 and 5: what's the difference?The three SEC forms that US company insiders file: Form 3 when they become an insider, Form 4 after a trade, Form 5 once a year. Who files each one, and by when.
12. USSEC Rule 10b5-1

    SEC Rule 10b5-1USWhat is a 10b5-1 plan?How US insiders trade through a pre-arranged plan under SEC Rule 10b5-1: the rule, the 2022 changes (cooling-off, certification, overlapping plans) and the Form 4 checkbox.
13. USSEC Form 13F

    SEC Form 13FUSHow to read a 13F filingWho files Form 13F with the SEC, by when, and what it shows: the long positions of large US fund managers at the end of each quarter, without shorts or cash.
14. USLobbying Disclosure Act

    Lobbying Disclosure ActUSHow does US lobbying disclosure work?How the US Lobbying Disclosure Act works: registration on Form LD-1, quarterly LD-2 reports with amounts rounded to $10,000, and the twice-yearly LD-203 contribution reports.
15. USOGE Form 278

    OGE Form 278USWhat must the President and senior officials disclose?The OGE Form 278e financial disclosure of the US President, Vice President and senior officials, and the 278-T report of trades within 30 or 45 days.
16. EUShort Selling Regulation

    Short Selling RegulationEUShort positions in Europe: what is the 0.5% rule?How the EU Short Selling Regulation works: net short positions go to the regulator from 0.1% of a company's shares and become public from 0.5%, with each 0.1% step above.
17. EU/USMAR vs Section 16

    MAR vs Section 16EU/USInsider reporting in the EU vs the US: what's different?How EU and US rules on reporting insider trades compare: who reports, the three-day and two-day deadlines, the thresholds, what a filing shows and who publishes it.
18. EU/USMAR art. 14 · Rule 10b-5

    MAR art. 14 · Rule 10b-5EU/USDirectors' dealings vs insider trading: what is legal?The difference between a reported directors' dealing and illegal insider trading under EU law (MAR Articles 7, 8 and 14) and US law (Rule 10b-5), with the penalties.
19. EU/USLate filings

    Late filingsEU/USHow often are insider filings late?How many Form 4 filings, Congress trade reports and EU insider notifications arrive after the legal deadline, per year, counted from the registers on this site.
20. EUNetherlands · AFM

    Netherlands · AFMEUHow many insider trades are reported in the Netherlands?Managers' trades reported to the Dutch AFM, counted per year and per sector: entries in both AFM registers, companies, and open-market buys and sales.
21. USSTOCK Act

    STOCK ActUSWhich members of Congress trade the most?Members of the US Congress ranked by the number of trades they reported for the last full calendar year, with purchases, sales and the amount ranges as filed.
22. EU/USInsider sales

    Insider salesEU/USWhy do insiders sell stock?The common reasons company insiders sell their own shares: pay in stock, tax, spreading risk, cash for a house, a pre-set 10b5-1 plan. And what research found about sales.
23. USSEC Form 4

    SEC Form 4USForm 4 transaction codes explainedEvery transaction code on an SEC Form 4, from P and S to A, M, F, G and J, with its meaning from the SEC's own instructions, and which codes are trades at the market.
24. EU/USInsider purchases

    Insider purchasesEU/USWhat is cluster buying?Cluster buying: several insiders of one company buying its shares within a short period. How this site counts a cluster: three buyers within 90 days, by filing date.
25. EU/USRegisters

    RegistersEU/USHow to track insider trades for freeThe official free registers of insider trades: SEC EDGAR in the US, and AFM, BaFin, FSMA, FI and CNMV in Europe. What each one lets you search and download.
26. EU/USResearch

    ResearchEU/USDo insider purchases predict stock returns?What studies of US, UK and German filings found about share returns after insiders buy, from Lakonishok and Lee to Cohen, Malloy and Pomorski, and the limits of those findings.
27. USSTOCK Act

    STOCK ActUSCan members of Congress trade stocks?Yes: members of the US Congress may trade stocks, but must report each trade within 45 days under the STOCK Act. The late fee, and where the bills to ban trading stand on 8 November 2026.
28. USResearch

    ResearchUSDo politicians beat the market?What studies found about the stock returns of US senators and representatives, from Ziobrowski in 2004 to studies of trades after the STOCK Act, and why the results differ.
29. USOGE Form 278

    OGE Form 278USWhat stocks does Trump own?Where to find what President Trump owns: the annual OGE Form 278e with assets in value ranges, the 278-T reports of trades, and what neither form shows.
30. EUMAR art. 19

    MAR art. 19EUBiggest insider purchases in Europe this yearThe largest open-market share purchases by company insiders in the Netherlands, Germany, Belgium, Sweden and Spain this year, ranked by amount in euros.
31. EUMAR art. 19(11)

    MAR art. 19(11)EUWhen do insiders buy? Purchases by monthOpen-market purchases and sales by company insiders in the Netherlands, Sweden and Spain, counted per calendar month over all full years, and how closed periods fit in.
32. USSEC Form 13F

    SEC Form 13FUSWhat is Berkshire Hathaway buying?Berkshire Hathaway's largest US stock holdings from its latest Form 13F, how many positions grew, shrank, appeared or disappeared, and what the filing leaves out.
33. EU/USForm 4 and MAR

    Form 4 and MAREU/USInsider buy/sell ratio: buys and sales by monthHow many open-market purchases and sales insiders reported each month in the US and in five EU registers, and why sales outnumber buys.
34. EU/USTransparency Directive

    Transparency DirectiveEU/USMajor shareholdings in the EU: the 3% and 5% ruleWhen an investor in an EU listed company must report its stake: the 5% threshold of the Transparency Directive, lower national thresholds, the deadlines, and the US Schedule 13D.
35. EU/USMCP

    MCPEU/USInsider trading data in Claude and ChatGPT (MCP)Connect InsiderRadar to Claude or ChatGPT over MCP: the address, the sign-in steps, and the six read-only tools for insider, Congress, 13F and lobbying filings.
36. EUNederland · AFM

    Nederland · AFMEUAFM-melding leidinggevenden: wie meldt wat, en wanneer?Wie bij de AFM een transactie in eigen aandelen meldt, de termijn van drie werkdagen, de drempel van € 20.000, de extra Wft-melding en waar je de meldingen vindt.