Updated Jul 16, 2026
SPRINGER TIMOTHY A has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $35.08M. Historical track record: 3/5 stars across 41 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 | 41 |
| Purchases with forward-return data | 41 |
| 30-day win rate | 5610% |
| 90-day win rate | 5366% |
| Avg 5-day return | +528.86% |
| Avg 30-day return | +129.31% |
| Avg 90-day return | +433.02% |
| Best 30-day return | +2815.59% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-04-09 | RNAC | Cartesian Therapeutics, Inc. | P — Open-market purchase | 36.3K | $10.77 | $391K |
| 2025-04-09 | RNAC | Cartesian Therapeutics, Inc. | P — Open-market purchase | 6.4K | $10.77 | $69K |
| 2025-04-09 | RNAC | Cartesian Therapeutics, Inc. | P — Open-market purchase | 3.5K | $10.92 | $38K |
| 2025-04-09 | RNAC | Cartesian Therapeutics, Inc. | P — Open-market purchase | 45.1K | $10.43 | $471K |
| 2025-04-09 | RNAC | Cartesian Therapeutics, Inc. | P — Open-market purchase | 609 | $10.92 | $7K |
| 2025-04-09 | RNAC | Cartesian Therapeutics, Inc. | P — Open-market purchase | 8.0K | $10.43 | $83K |
| 2025-04-09 | RNAC | Cartesian Therapeutics, Inc. | P — Open-market purchase | 178 | $9.95 | $2K |
| 2025-04-09 | RNAC | Cartesian Therapeutics, Inc. | P — Open-market purchase | 41.6K | $9.43 | $392K |
| 2025-04-09 | RNAC | Cartesian Therapeutics, Inc. | P — Open-market purchase | 31 | $9.95 | $308 |
| 2025-04-09 | RNAC | Cartesian Therapeutics, Inc. | P — Open-market purchase | 7.3K | $9.43 | $69K |
| 2025-04-09 | TECX | Tectonic Therapeutic, Inc. | P — Open-market purchase | 53.7K | $16.31 | $876K |
| 2025-04-09 | TECX | Tectonic Therapeutic, Inc. | P — Open-market purchase | 45.9K | $16.73 | $767K |
| 2025-04-09 | TECX | Tectonic Therapeutic, Inc. | P — Open-market purchase | 4.9K | $15.23 | $74K |
| 2025-04-09 | TECX | Tectonic Therapeutic, Inc. | P — Open-market purchase | 16.2K | $14.62 | $237K |
| 2025-04-09 | TECX | Tectonic Therapeutic, Inc. | P — Open-market purchase | 9.5K | $16.31 | $155K |
| 2025-04-09 | TECX | Tectonic Therapeutic, Inc. | P — Open-market purchase | 8.1K | $16.73 | $135K |
| 2025-04-09 | TECX | Tectonic Therapeutic, Inc. | P — Open-market purchase | 857 | $15.23 | $13K |
| 2025-04-09 | TECX | Tectonic Therapeutic, Inc. | P — Open-market purchase | 2.9K | $14.62 | $42K |
| 2025-04-07 | TECX | Tectonic Therapeutic, Inc. | P — Open-market purchase | 412.5K | $17.10 | $7.05M |
| 2025-04-07 | TECX | Tectonic Therapeutic, Inc. | P — Open-market purchase | 87.5K | $17.10 | $1.50M |
SPRINGER TIMOTHY A is a corporate insider — currently tracked as Insider of Tectonic Therapeutic, Inc. (TECX). 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: 41 open-market purchases ($35.08M) and 0 open-market sales () across all tracked filings.
Across 41 tracked purchases, SPRINGER TIMOTHY A averaged +129.3% avg 30-day return with a 5610% 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.
Open the live SPRINGER TIMOTHY A profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.