Peter Sack
Co-President at Chicago Atlantic Real Estate Finance Inc.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 2 boards, counting each seat separately. Longest: Chicago Atlantic Real Estate Finance Inc., 3 years.
Chicago Atlantic Real Estate Finance Inc.
Director · Co-Chief Executive Officer
Chicago Atlantic BDC Inc.
Director · Chief Executive Officer
Chief executive roles
Chicago Atlantic Real Estate Finance Inc.
· Co-Chief Executive Officer
Dates unknown
Chicago Atlantic BDC Inc.
· Chief Executive Officer
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 19, 2026 | Chicago Atlantic Real Estate Finance Inc. | Open-market purchase | +1,500 | $10.53 | $15,795 |
| Aug 19, 2026 | Chicago Atlantic Real Estate Finance Inc. | Open-market purchase | +2,000 | $10.39 | $20,780 |
| Aug 18, 2026 | Chicago Atlantic Real Estate Finance Inc. | Open-market purchase | +1,500 | $10.43 | $15,645 |
| Apr 20, 2026 | Chicago Atlantic Real Estate Finance Inc. | Grant or award | +37,099 | — | — |
| Oct 14, 2025 | Chicago Atlantic Real Estate Finance Inc. | Open-market purchase | +8,150 | $12.43 | $101,305 |
| Sep 19, 2025 | Chicago Atlantic BDC Inc. | Open-market purchase | +450 | $11.23 | $5,054 |
| Jul 17, 2025 | Chicago Atlantic BDC Inc. | Open-market purchase | +1,000 | $10.47 | $10,470 |
| May 28, 2025 | Chicago Atlantic BDC Inc. | Open-market purchase | +500 | $10.29 | $5,145 |
| May 19, 2025 | Chicago Atlantic BDC Inc. | Open-market purchase | +500 | $10.42 | $5,210 |
| Apr 17, 2025 | Chicago Atlantic BDC Inc. | Open-market purchase | +50 | $10.50 | $525 |
| Apr 10, 2025 | Chicago Atlantic BDC Inc. | Open-market purchase | +100 | $10.82 | $1,082 |
| Apr 9, 2025 | Chicago Atlantic BDC Inc. | Other | +3,118 | — | — |
| Apr 8, 2025 | Chicago Atlantic BDC Inc. | Open-market purchase | +100 | $10.98 | $1,098 |
| Apr 4, 2025 | Chicago Atlantic BDC Inc. | Open-market purchase | +100 | $10.70 | $1,070 |
| Apr 1, 2025 | Chicago Atlantic Real Estate Finance Inc. | Grant or award | +28,398 | — | — |
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