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Insider activity · 24 months1 buy0 salesCumulative net flow
Total declarations
4
Company
1
▲ Purchases (1 ops.)
€98k
▼ Sales (0 ops.)
—

Latest filing published 01 Apr 2026 for MIAMI INTERNATIONAL HOLDINGS, INC., €12k.

Filing timeline

BuySale
John Smollen

Insider track record

Disclosed buys
1
Disclosed sells
0
Signal history

Closed purchases

Market purchases
1

Not enough history yet: 1 closed purchase, at least 2 are needed.

Purchases by company

Since each purchase

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.

John Smollen: trading record in brief

John Smollen appears in our data through filings on Miami International Holdings, Inc. shares, published by SEC (Form 4). We count 4 filings; the first trade dates from 13 August 2025 and the latest from 30 March 2026.

Every open-market trade on record is a purchase: 1 purchase worth €98k, and no sale. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Outside the open market, there are 1 share grant and 1 option exercise.

Most recently, on 1 April 2026, the filings show a share grant worth €12k in Miami International Holdings, Inc. The last purchase on record was published on 15 August 2025, which is 452 days ago. The median gap between a trade and its publication by SEC (Form 4) is 3 days. Section 16 rules allow two business days to file each Form 4. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.

Companies and markets linked to John Smollen

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Declarations4 total

4 of 4 declarations