Updated Jul 16, 2026
MIDDLETON FRED A has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $617K. Historical track record: 1/5 stars across 4 tracked purchases.
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★☆☆☆☆ (1/5) |
|---|---|
| Total purchases tracked | 4 |
| Purchases with forward-return data | 4 |
| 30-day win rate | 2500% |
| 90-day win rate | 0% |
| Avg 5-day return | -161.23% |
| Avg 30-day return | +117.52% |
| Avg 90-day return | -2649.57% |
| Best 30-day return | +1153.85% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-29 | CALC | CalciMedica, Inc. | P — Open-market purchase | 249.0K | $0.80 | $200K |
| 2025-04-21 | CMRX | CHIMERIX INC | D — Derivative transaction | 207.5K | $8.55 | $1.77M |
| 2025-04-21 | CMRX | CHIMERIX INC | D — Derivative transaction | 531.9K | $8.55 | $4.55M |
| 2025-04-21 | CMRX | CHIMERIX INC | D — Derivative transaction | 2.78M | $8.55 | $23.74M |
| 2025-04-21 | CMRX | CHIMERIX INC | D — Derivative transaction | 60.0K | $8.55 | $513K |
| 2025-04-21 | CMRX | CHIMERIX INC | D — Derivative transaction | 40.0K | $8.55 | $342K |
| 2024-12-06 | CALC | CalciMedica, Inc. | P — Open-market purchase | 4.8K | $2.65 | $13K |
| 2024-11-05 | CALC | CalciMedica, Inc. | P — Open-market purchase | 877 | $3.75 | $3K |
| 2024-11-05 | CALC | CalciMedica, Inc. | P — Open-market purchase | 86.9K | $3.75 | $326K |
| 2024-11-05 | CALC | CalciMedica, Inc. | P — Open-market purchase | 20.0K | $3.75 | $75K |
| 2024-10-30 | CMRX | CHIMERIX INC | G — Bona-fide gift | 60.0K | $0.00 |
MIDDLETON FRED A is a corporate insider — currently tracked as Insider of CalciMedica, Inc. (CALC). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 5 open-market purchases ($617K) and 0 open-market sales () across all tracked filings.
Across 4 tracked purchases, MIDDLETON FRED A averaged +117.5% avg 30-day return with a 2500% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live MIDDLETON FRED A profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.