Key facts
- This page summarizes Diane I. Bonina's Form 4 filing for FEDERAL SIGNAL CORP /DE/ (FSS).
- 8 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 05 Aug 2026, 18:37.
Diane I. Bonina - 03 Aug 2026 Form 4 Insider Report for FEDERAL SIGNAL CORP /DE/ (FSS)
- Reporting relationship
- VP, Gen'l Counsel & Secretary
- Issuer ticker
- FSS
- Reported as of
- 03 Aug 2026
- Net transaction value
- -$2,492,281
- SEC form
- 4
- Accepted by SEC
- 05 Aug 2026, 18:37:03 UTC
- Prior SEC filing
- 05 May 2026
- Source filing
- View source filing
- Reporting owner signature
- Diane I. Bonina
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Diane I. Bonina filed Form 4 for FEDERAL SIGNAL CORP /DE/ (FSS) on 05 Aug 2026.
Change
- Previous filing in this sequence was filed on 05 May 2026.
- Current net transaction value: -$2,492,281.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001923233
Primary reporting owner
Bonina Diane
- Relationship
- VP, Gen'l Counsel & Secretary
- Address
- 1333 BUTTERFIELD ROAD, SUITE 500, DOWNERS GROVE
- Signature
- Diane I. Bonina
- Signature date
- 05 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
FSS
transaction
Common Stock
Sale
- Transaction value
- $567,528
- Shares
- -4,408
- Change %
- -22%
- Price
- $128.75
- Shares after
- 15,689
- Date
- 03 Aug 2026
- Ownership
- Direct
FSS
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +8,406
- Change %
- +54%
- Price
- $35.80*
- Shares after
- 24,095
- Date
- 04 Aug 2026
- Ownership
- Direct
FSS
transaction
Common Stock
Sale
- Transaction value
- $1,083,533
- Shares
- -8,306
- Change %
- -34%
- Price
- $130.45
- Shares after
- 15,789
- Date
- 04 Aug 2026
- Ownership
- Direct
- Footnotes
- F1
FSS
transaction
Common Stock
Sale
- Transaction value
- $13,105
- Shares
- -100
- Change %
- -0.63%
- Price
- $131.05
- Shares after
- 15,689
- Date
- 04 Aug 2026
- Ownership
- Direct
FSS
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +6,450
- Change %
- +41%
- Price
- $51.81*
- Shares after
- 22,139
- Date
- 04 Aug 2026
- Ownership
- Direct
FSS
transaction
Common Stock
Sale
- Transaction value
- $828,115
- Shares
- -6,350
- Change %
- -29%
- Price
- $130.41
- Shares after
- 15,789
- Date
- 04 Aug 2026
- Ownership
- Direct
- Footnotes
- F2
FSS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 665
- Date
- 03 Aug 2026
- Ownership
- held by 401(k) plan
- Footnotes
- F3
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
FSS
transaction
Derivative
Stock Option (right-to-buy)
Options Exercise
- Transaction value
- Shares
- -8,406
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 04 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 8,406
- Exercise price
- $35.80
- Footnotes
- F4
FSS
transaction
Derivative
Stock Option (right-to-buy)
Options Exercise
- Transaction value
- Shares
- -6,450
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 04 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 6,450
- Exercise price
- $51.81
- Footnotes
- F5
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 5 footnotes
Footnote F1
This transaction was executed in multiple trades at prices ranging from $130.00 to $130.80; 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.
Footnote F2
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.
Footnote F3
Units held in the Issuer 401(k) plan, which are convertible into Issuer common stock, were adjusted from 664.8677 to 665.1375 based on the Issuer price per share of $129.12 on 08/03/2026.
Footnote F4
The option vested in three equal installments on May 4, 2023, 2024, and 2025.
Footnote F5
The option vested in three equal installments on May 4, 2024, 2025, and 2026.