SEC Form 4
Federal Signal Corp. (FSS) insider trading
In the 12 months to Oct 26, 2026, 3 FSS insiders reported open-market sales of $9.0M across 3 filings; one director bought $221.5K.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $9.0M
- 3 filings · 3 insiders
- Open-market purchases
- $221.5K
- 1 filing · Richard A. Maue, Director
Who traded FSS, and when
- Purchase
- Sale
FSS daily close from Oct 27, 2025 to Oct 26, 2026, between $104.77 and $133.86, last $114.34. 3 sale and 1 purchase filings by 4 insiders, marked at their filing dates. Mark Weber, SVP & COO: sold $5.7M across 1 filing, first filed Nov 10, 2025, last Nov 10, 2025. Diane Bonina, VP, Gen'l Counsel & Secretary: sold $2.5M across 1 filing, first filed Aug 5, 2026, last Aug 5, 2026. Brenda Reichelderfer, Director: sold $795.3K across 1 filing, first filed Aug 6, 2026, last Aug 6, 2026. Richard A. Maue, Director: bought $221.5K across 1 filing, first filed Mar 10, 2026, last Mar 10, 2026.
Largest mark · tap a row for others
Mark Weber · SVP & COO
Sale $5,710,269
51,187 shares at $111.56 avg
Filed Nov 10, 2025 · traded Nov 6
Close on filing date $112.60
Mark Weber · SVP & COO
SVP & COO
$5.7M soldDiane Bonina · VP, Gen'l Counsel & Secretary
VP, Gen'l Counsel & Secretary
$2.5M soldBrenda Reichelderfer · Director
Director
$795.3K soldRichard A. Maue · Director
Director
$221.5K boughtOpen-market trades
4 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Mark Weber | SVP & COO | $5.7M | — | 1 | — | |
| Diane Bonina | VP, Gen'l Counsel & Secretary | $2.5M | — | 1 | — | |
| Brenda Reichelderfer | Director | $795.3K | — | 1 | — | |
| Richard A. Maue | Director | — | $221.5K | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Brenda Reichelderfer Director | Sale | 6,070 | $131.02 | $795.3K | 45,888 | |
traded | Diane Bonina VP, Gen'l Counsel & Secretary | Sale | 19,164 | $130.05 | $2.5M | 15,789 | |
traded | Richard A. Maue Director | Purchase | 2,000 | $110.77 | $221.5K | 2,000 | |
traded | Mark Weber SVP & COO | Sale | 51,187 | $111.56 | $5.7M | 87,916 |
GET /stocks/filings/vX/form-4?tickers=FSS&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"FSS"
],
"issuer_cik": "0000277509",
"owner_cik": "0001164840",
"accession_number": "0001628280-26-054191",
"form_type": "4",
"filing_date": "2026-08-06",
"period_of_report": "2026-08-04",
"issuer_name": "FEDERAL SIGNAL CORP /DE/",
"issuer_trading_symbol": "FSS",
"owner_name": "REICHELDERFER BRENDA",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-08-04",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 6070,
"transaction_price_per_share": 131.0169,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 45888,
"transaction_value": 795272.583,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
},
{
"tickers": [
"FSS"
],
"issuer_cik": "0000277509",
"owner_cik": "0001923233",
"accession_number": "0001628280-26-053640",
"form_type": "4",
"filing_date": "2026-08-05",
"period_of_report": "2026-08-03",
"issuer_name": "FEDERAL SIGNAL CORP /DE/",
"issuer_trading_symbol": "FSS",
"owner_name": "Bonina Diane",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "VP, Gen'l Counsel & Secretary",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-08-04",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 6350,
"transaction_price_per_share": 130.4118,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 15789,
"transaction_value": 828114.93,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F2",
"description": "This transaction was executed in multiple trades at prices ranging from $130.01 to $130.97; the price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected upon request to the SEC, Federal Signal Corporation, or a security holder of Federal Signal Corporation."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 47 records
- Option exercises8 records
- Tax withholding9 records
- Grants and awards22 records
- Gifts8 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Federal Signal Corp.'s CEO sold stock?
No. Jennifer L. Sherman (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is FSS’s insider data?
These are FSS Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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Track FSS insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for FSS every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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