Updated Jul 16, 2026
GRILLO ANTHONY has filed 3 SEC Form 4 filings across 1 company in the last 90 days — active on both sides. Lifetime open-market purchases: $159K. Lifetime open-market sales: $3.09M. Historical track record: 4/5 stars across 14 tracked purchases.

| Role | Director |
|---|---|
| Notability | 30/100 |
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 | ★★★★☆ (4/5) |
|---|---|
| Total purchases tracked | 14 |
| Purchases with forward-return data | 14 |
| 30-day win rate | 7857% |
| 90-day win rate | 7857% |
| Avg 5-day return | +41.92% |
| Avg 30-day return | +126.83% |
| Avg 90-day return | +212.73% |
| Best 30-day return | +404.15% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-11 | LFUS | LITTELFUSE INC /DE | S — Open-market sale | 209 | $454.07 | $95K |
| 2026-06-11 | LFUS | LITTELFUSE INC /DE | S — Open-market sale | 38 | $452.75 | $17K |
| 2026-06-11 | LFUS | LITTELFUSE INC /DE | S — Open-market sale | 2.5K | $451.93 | $1.11M |
| 2026-06-11 | LFUS | LITTELFUSE INC /DE | S — Open-market sale | 256 | $450.66 | $115K |
| 2026-06-11 | LFUS | LITTELFUSE INC /DE | S — Open-market sale | 35 | $449.76 | $16K |
| 2026-06-08 | LFUS | LITTELFUSE INC /DE | A — Grant or award | 3 | $480.24 | $1K |
| 2026-06-08 | LFUS | LITTELFUSE INC /DE | A — Grant or award | 35 | $480.24 | $17K |
| 2026-04-24 | LFUS | LITTELFUSE INC /DE | A — Grant or award | 482 | $0.00 | |
| 2026-03-16 | LFUS | LITTELFUSE INC /DE | G — Bona-fide gift | 3.0K | $0.00 | |
| 2026-03-09 | LFUS | LITTELFUSE INC /DE | A — Grant or award | 2 | $323.58 | $647 |
| 2026-03-09 | LFUS | LITTELFUSE INC /DE | A — Grant or award | 72 | $323.58 | $23K |
| 2026-02-11 | LFUS | LITTELFUSE INC /DE | M — Option exercise | 911 | $199.24 | $182K |
| 2026-02-11 | LFUS | LITTELFUSE INC /DE | S — Open-market sale | 40 | $348.47 | $14K |
| 2026-02-11 | LFUS | LITTELFUSE INC /DE | S — Open-market sale | 390 | $347.35 | $135K |
| 2026-02-11 | LFUS | LITTELFUSE INC /DE | S — Open-market sale | 4.6K | $346.13 | $1.58M |
| 2025-09-05 | LFUS | LITTELFUSE INC /DE | A — Grant or award | 3 | $259.58 | $779 |
| 2025-09-05 | LFUS | LITTELFUSE INC /DE | A — Grant or award | 86 | $259.58 | $22K |
| 2025-07-31 | LFUS | LITTELFUSE INC /DE | A — Grant or award | 106 | $257.33 | $27K |
| 2025-06-05 | LFUS | LITTELFUSE INC /DE | A — Grant or award | 94 | $214.18 | $20K |
| 2025-06-05 | LFUS | LITTELFUSE INC /DE | A — Grant or award | 3 | $214.18 | $643 |
GRILLO ANTHONY is a corporate insider — currently tracked as Director of LITTELFUSE INC /DE (LFUS). InsiderAlpha tracks every SEC Form 4 filing in real time.
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 14 open-market purchases ($159K) and 8 open-market sales ($3.09M) across all tracked filings.
Across 14 tracked purchases, GRILLO ANTHONY averaged +126.8% avg 30-day return with a 7857% 30-day win rate. InsiderAlpha rates the track record at 4/5 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 GRILLO ANTHONY profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.