Updated Jul 16, 2026
Roberts Eric W has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $341K. Historical track record: 3/5 stars across 16 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 | ★★★☆☆ (3/5) |
|---|---|
| Total purchases tracked | 16 |
| Purchases with forward-return data | 16 |
| 30-day win rate | 5625% |
| 90-day win rate | 8125% |
| Avg 5-day return | +1010.15% |
| Avg 30-day return | +585.36% |
| Avg 90-day return | +2820.05% |
| Best 30-day return | +7018.63% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-29 | CALC | CalciMedica, Inc. | A — Grant or award | 186.7K | $0.80 | $150K |
| 2025-09-18 | CALC | CalciMedica, Inc. | P — Open-market purchase | 2.5K | $3.07 | $8K |
| 2025-09-15 | CALC | CalciMedica, Inc. | P — Open-market purchase | 3.4K | $2.68 | $9K |
| 2025-09-12 | CALC | CalciMedica, Inc. | P — Open-market purchase | 5.0K | $3.12 | $16K |
| 2025-09-09 | CALC | CalciMedica, Inc. | P — Open-market purchase | 2.3K | $3.15 | $7K |
| 2025-08-28 | CALC | CalciMedica, Inc. | P — Open-market purchase | 800 | $2.74 | $2K |
| 2025-08-28 | CALC | CalciMedica, Inc. | P — Open-market purchase | 9.2K | $2.86 | $26K |
| 2025-08-21 | CALC | CalciMedica, Inc. | P — Open-market purchase | 3.5K | $2.79 | $10K |
| 2025-08-19 | CALC | CalciMedica, Inc. | M — Option exercise | 15.0K | $1.53 | $23K |
| 2025-08-19 | CALC | CalciMedica, Inc. | P — Open-market purchase | 2.0K | $2.72 | $5K |
| 2025-08-19 | CALC | CalciMedica, Inc. | P — Open-market purchase | 1.0K | $2.79 | $3K |
| 2025-08-15 | CALC | CalciMedica, Inc. | P — Open-market purchase | 5.1K | $2.90 | $15K |
| 2025-07-22 | CALC | CalciMedica, Inc. | P — Open-market purchase | 1.5K | $3.77 | $6K |
| 2025-07-21 | CALC | CalciMedica, Inc. | P — Open-market purchase | 1.5K | $3.37 | $5K |
| 2025-07-18 | CALC | CalciMedica, Inc. | P — Open-market purchase | 2.0K | $2.88 | $6K |
| 2025-07-14 | CALC | CalciMedica, Inc. | P — Open-market purchase | 6.5K | $2.43 | $16K |
| 2025-07-09 | CALC | CalciMedica, Inc. | P — Open-market purchase | 5.0K | $1.60 | $8K |
| 2024-11-01 | CALC | CalciMedica, Inc. | P — Open-market purchase | 53.3K | $3.75 | $200K |
Roberts Eric W 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: 16 open-market purchases ($341K) and 0 open-market sales () across all tracked filings.
Across 16 tracked purchases, Roberts Eric W averaged +585.4% avg 30-day return with a 5625% 30-day win rate. InsiderAlpha rates the track record at 3/5 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.
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