Career & Filing History
Every role Anthony Grillo has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Anthony Grillo holds the role of Director at LITTELFUSE INC (LFUS). Grillo's filing history also covers ClearBridge Energy Midstream Opportunity Fund Inc. (EMO) and Western Asset High Yield Defined Opportunity Fund Inc. (HYI). Grillo has reported 27 insider filings with the SEC since 2024. The most recent filing was in June 2026.
Every role Anthony Grillo has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
LITTELFUSE INC /DE (LFUS)2 filingsUpdated Aug 30, 2026
Anthony Grillo is Director of LITTELFUSE INC /DE (LFUS). 27 SEC Form 4 filings on record going back to 2024, most recently on 11 June 2026. Most recent open-market trade: sold $95K of LFUS on 11 June 2026. Lifetime open-market purchases: $159K. Lifetime open-market sales: $3.09M. Historical track record: 4/5 stars across 14 tracked purchases.
Every recent SEC Form 4 transaction Anthony Grillo has reported, most recent first.
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★★★☆ (4/5) |
| Total purchases tracked | 14 |
| Purchases with forward-return data | 14 |
| 30-day win rate | 79% |
| 90-day win rate | 79% |
| Avg 5-day return | +0.42% |
| Avg 30-day return | +1.27% |
| Avg 90-day return | +2.13% |
| Best 30-day return |
InsiderAlpha's records for Anthony Grillo go back to 2024: 27 primary Form 4 filings, an average of 9.0 per year. The typical open-market purchase is $11K (14 buys totaling $159K). The largest single buy on record is $13K of EHI in 2025. Sales side: 8 recorded sales totaling $3.09M, so the filing history runs sell-heavy by dollar value. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies Anthony Grillo files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Anthony Grillo is a corporate insider, tracked as Director of LITTELFUSE INC /DE (LFUS). InsiderAlpha holds 27 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 14 open-market purchases ($159K) and 8 open-market sales ($3.09M) across all tracked filings.
Across 14 tracked purchases, Anthony Grillo averaged +1.3% avg 30-day return with a 79% 30-day win rate. InsiderAlpha rates the track record at 4/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$LFUS LITTELFUSE INC /DE2.5K shares @ $451.93$1.11M
| +4.04% |