Company profile
Federal Signal Corp /de/ Insider Trading
FSSEvery SEC Form 4 insider trading filing for Federal Signal Corp /de/ (FSS) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Motor Vehicles & Passenger Car Bodies
- CIK
- 0000277509
- Filings
- 94
- Insiders
- 15
- Last filing
- 2026-08-04
Activity summary
Recent insider activity is bearish. Over the last 30 days, insiders net sold $2.7M across 6 transactions, with 4 offsetting purchases.
Three year balance
Buy and sell value by quarter, Q3 23 to Q3 26. Federal Signal Corp /de/ insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $6.8M.
90 day insight
Over the last 90 days, Federal Signal Corp /de/ insiders bought $635K (6 transactions) and sold $3.3M (6 transactions).
- Most active insider: Bonina Diane with 9 transactions totaling $3.1M.
- Largest single sale: $1.1M by Bonina Diane on Aug 4, 2026.
Activity is mixed — buys and sales are roughly balanced.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 4, 2026 | Bonina Diane | FSS | Option Exercise | 6,450 | — | — |
| Aug 4, 2026 | Bonina Diane | FSS | Option Exercise | 8,406 | — | — |
| Aug 4, 2026 | Reichelderfer Brenda | FSS | Sale | 6,070 | $131.02 | $795K |
| Aug 4, 2026 | Bonina Diane | FSS | Option Exercise | 6,450 | $51.81 | $334K |
| Aug 4, 2026 | Bonina Diane | FSS | Option Exercise | 8,406 | $35.80 | $301K |
45 more transactions hidden
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Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=FSS" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Federal Signal Corp /de/ as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →