John Mazarakis bought $509k of REFI
Executive Chairman at Chicago Atlantic Real Estate Finance, Inc.. 47,711 shares at an average of $10.67, traded Aug 26, 2026, filed Aug 28, 2026.
Score components
- +20RoleChair
- +18Trade size$509k at market
- +3Relative to holdingsHoldings up 10%
- +10Price context9% above the 52-week low
- +15Cluster3 insiders buying within 14 days
- +5Repeat buying3 buys in 90 days
- -5Track recordMedian 6-month excess return -4% over 3 past buys
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-26-374170, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 26, 2026 | POpen-market purchase Common Stock | +40,181 | $10.67 | $429k | 519,032 | Aug 28, 2026 |
| Aug 27, 2026 | POpen-market purchase Common Stock | +7,530 | $10.67 | $80k | 526,562 | Aug 28, 2026 |
Related signals
Other insiders at Chicago Atlantic Real Estate Finance, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 30Weak | Chicago Atlantic Real Estate Finance, Inc. | John Mazarakis Executive Chairman | $1,547 145 shares | +0% | |
| 56Moderate | Chicago Atlantic Real Estate Finance, Inc. | Peter Sack Co-Chief Executive Officer | $52k 5,000 shares | +4% | |
| 74Notable | Chicago Atlantic Real Estate Finance, Inc. | Anthony Cappell Co-Chief Executive Officer | $468k 45,000 shares | +11% | |
| 60Notable | Chicago Atlantic Real Estate Finance, Inc. | John Mazarakis Executive Chairman | $256k 25,000 shares | +6% | |
| 64Notable | Chicago Atlantic Real Estate Finance, Inc. | John Mazarakis Executive Chairman | $102k 8,000 shares | +2% | |
| 67Notable | Chicago Atlantic Real Estate Finance, Inc. | Peter Sack Co-Chief Executive Officer | $101k 8,150 shares | +11% | |
| 59Moderate | Chicago Atlantic Real Estate Finance, Inc. | Brandon Konigsberg director | $86k 7,000 shares | +34% | |
| 60Notable | Chicago Atlantic Real Estate Finance, Inc. | David Kite Chief Operating Officer | $63k 5,000 shares | +9% | |
| 59Moderate | Chicago Atlantic Real Estate Finance, Inc. | Jason D Papastavrou director | $228k 18,000 shares | +46% | |
| 55Moderate | Chicago Atlantic Real Estate Finance, Inc. | John Mazarakis Executive Chairman | $93k 7,500 shares | +2% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.