Federal Signal Corporation
Ownership
Ownership Structure
Who owns Federal Signal Corporation (FSS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.5% of the shares are freely tradable; institutional investors hold 102.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.85 | 9,065,080 | +0.7 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.98 | 3,647,230 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.45 | 2,717,926 | +0.0 | 03/31/2026 |
| State Street Corp | 3.78 | 2,307,332 | +2.8 | 03/31/2026 |
| Capital World Investors | 3.68 | 2,244,770 | +2.7 | 06/30/2026 |
| Geode Capital Management, LLC | 2.94 | 1,797,263 | +4.1 | 03/31/2026 |
| FMR Inc | 2.70 | 1,646,804 | -0.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.09 | 3,716,229 | +0.0 | 08/31/2026 |
| American Funds SMALLCAP World A | 3.87 | 2,362,294 | -10.0 | 06/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.03 | 1,847,155 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Reichelderfer Brenda | Director | 45,888 | 5,222,054 $ | Aug 4, 2026 | direct |
| Bonina Diane | VP, Gen'l Counsel & Secretary | 15,789 | 1,796,788 $ | Aug 4, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 4, 2026 | Reichelderfer Brenda | Director | Sell | 6,070 | 131.02 | 795,273 |
| Aug 4, 2026 | Reichelderfer Brenda | Director | Other | 7,650 | 0.00 | – |
| Aug 4, 2026 | Bonina Diane | VP, Gen'l Counsel & Secretary | Sell | 6,350 | 130.41 | 828,115 |
| Aug 4, 2026 | Bonina Diane | VP, Gen'l Counsel & Secretary | Other | 6,450 | 51.81 | 334,175 |
| Aug 4, 2026 | Bonina Diane | VP, Gen'l Counsel & Secretary | Sell | 100 | 131.05 | 13,105 |
| Aug 4, 2026 | Bonina Diane | VP, Gen'l Counsel & Secretary | Sell | 8,306 | 130.45 | 1,083,533 |
| Aug 4, 2026 | Bonina Diane | VP, Gen'l Counsel & Secretary | Other | 8,406 | 35.80 | 300,935 |
| Aug 3, 2026 | Bonina Diane | VP, Gen'l Counsel & Secretary | Sell | 4,408 | 128.75 | 567,528 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.