Every Form 4 that Federal Signal Corp. (FSS) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow FSS and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full FSS filings page.
Federal Signal director Brenda Reichelderfer reported two stock dispositions involving the company’s Common Stock on August 4, 2026. She transferred 7,650 shares in connection with a bona fide gift, with no sale proceeds. On the same date, she separately sold 6,070 shares at $131.0169 per share in an open market or private transaction. The report indicates these transactions were not made pursuant to a Rule 10b5-1 trading plan.
Diane Bonina, Vice President, General Counsel & Secretary of Federal Signal, exercised stock options for 8,406 shares at $35.8000 and 6,450 shares at $51.8100 on August 4, 2026, receiving common stock. She sold a total of 19,264 common shares in multiple open-market or private transactions on August 3–4 at reported prices including $128.7495, $130.4519, $130.4118 and $131.0500 per share. Indirect holdings in the issuer’s 401(k) plan were adjusted to 665.1375 units, convertible into common stock, based on a $129.12 share price on August 3, 2026.
Federal Signal Corp director Eric A. Vaillancourt received a grant of 96 shares of Common Stock as compensation. The shares were acquired at a price of $0.00 per share, indicating a stock award rather than a market purchase. Following this grant, his directly owned holdings increased to 1,415 Common shares, reflecting a relatively small, routine change in ownership.
Maue Richard A reported acquisition or exercise transactions in this Form 4 filing.
Federal Signal Corp. director Richard A. Maue received a grant of 99 shares of Common Stock on June 26, 2026. The shares were awarded at a stated price of $0.0000 per share, indicating a compensation-related grant rather than a market purchase. Following this award, Maue directly owns 3,419 shares of Federal Signal Corp. common stock.
Federal Signal Corp President & CEO Jennifer L. Sherman exercised stock options and had shares withheld to cover related tax obligations, without any open-market buying or selling. She exercised 59,242 stock options at $12.66 per share, converting them into common stock.
To satisfy the exercise price and taxes, 29,680 shares were delivered at $121.61 per share, and a further 7,695 shares were withheld at $117.49 per share in separate tax-withholding dispositions. After these transactions, she directly held about 641,724 common shares and indirectly held 60,221.4278 units in the company’s 401(k) plan, which were adjusted based on the share price and included 828.7732 shares acquired through a dividend reinvestment plan.
Federal Signal Corp. Senior Vice President and CFO Ian A. Hudson reported a routine share disposition related to taxes. On May 4, 2026, he had 1,657 shares of common stock withheld at $117.49 per share as a tax-withholding disposition, rather than an open-market sale.
Following this transaction, Hudson directly held 96,663 shares of Federal Signal common stock, indicating that the shares withheld for taxes represent a small portion of his overall reported holdings.
Federal Signal Corp SVP & COO Mark Weber reported a tax-related share disposition. On May 4, 2026, 2,278 shares of Common Stock were withheld at $117.49 per share to satisfy tax liabilities, leaving him with 86,500 directly owned shares. The Form 4 classifies this as a tax-withholding disposition rather than an open-market sale.
Federal Signal Corp executive Diane Bonina reported routine share updates. The filing shows 962 shares of common stock were used as a tax-withholding disposition at $117.49 per share in connection with equity compensation, leaving her with 20,097 directly held shares. Separately, units in the company 401(k) plan were adjusted from 664.5692 to 664.8677 units, reflecting the plan’s valuation at the same share price, rather than a market trade.
Federal Signal Corp director John L. Workman received a stock grant, increasing his direct holdings. On April 21, 2026, he acquired 1,277 shares of Federal Signal common stock in a grant, award, or other acquisition at no stated purchase price. After this award, he directly owns 58,734 common shares, reflecting a routine compensation-related equity grant rather than an open-market transaction.
Federal Signal Corp (FSS) director Eric A. Vaillancourt received a grant of 1,277 shares of Common Stock. The shares were acquired at a stated price of $0.00 per share as a compensation-related award, not through an open-market purchase or sale.
Following this grant, Vaillancourt directly holds 1,319 shares of Federal Signal Common Stock. The filing reflects a routine equity award to a director rather than a discretionary trading decision in the company’s stock.
Federal Signal Corp director Shashank Patel received a stock grant, increasing his direct holdings. On April 21, 2026, he acquired 1,277 shares of common stock at $0.00 per share as a grant, award, or other acquisition. After this transaction, he directly owns 11,914 shares of Federal Signal common stock.
Maue Richard A reported acquisition or exercise transactions in this Form 4 filing.
Federal Signal Corporation director Richard A. Maue received a grant of 1,277 shares of Common Stock of FSS on April 21, 2026. The award was reported at a price of $0.00 per share, indicating a non-cash grant or award rather than a market purchase. Following this transaction, Maue directly holds 3,320 shares of Federal Signal Common Stock.
Federal Signal Corp. director Eugene Joseph Lowe III received a grant of 1,277 shares of Common Stock as compensation. The shares were acquired on April 21, 2026 at a reported price of $0.00 per share, indicating a non-cash award rather than a market purchase. Following this grant, his directly owned Common Stock holdings increased to 22,571 shares, reflecting routine equity-based compensation rather than an open-market transaction.
Federal Signal Corp (FSS) director Katrina L. Helmkamp received a grant of 1,277 shares of Common Stock. The shares were awarded on April 21, 2026 at a stated price of $0.00 per share, indicating a compensation-related award rather than an open-market purchase.
After this grant, Helmkamp directly holds 5,603 shares of Federal Signal common stock, according to the filing. The transaction is reported as a grant, award, or other acquisition, and there were no corresponding sales, option exercises, or derivative positions disclosed in this filing.
REICHELDERFER BRENDA reported acquisition or exercise transactions in this Form 4 filing.
Federal Signal Corp (FSS) director Brenda Reichelderfer received 1,674 shares of Common Stock as a grant on April 21, 2026. The award was recorded at a price of $0.00 per share, indicating a compensation-related stock grant rather than an open-market purchase. Following this grant, she directly owns 59,608 shares of Federal Signal common stock.
Federal Signal Corp. director Eric A. Vaillancourt reported a grant or award of 42 shares of Common Stock on March 27, 2026. The shares were acquired at a stated price of $0.00 per share, bringing his directly owned stake to 42 shares following the transaction.
Maue Richard A reported acquisition or exercise transactions in this Form 4 filing.
Federal Signal Corp. director Richard A. Maue received an award of 43 shares of Common Stock of the company. The shares were granted at a price of $0.00 per share, indicating a compensation-related award rather than an open-market trade. Following this grant, Maue directly holds 2,043 shares of Federal Signal common stock.
Federal Signal Corp director Richard A. Maue bought 2,000 shares of common stock in an open-market purchase. The transaction occurred at a weighted average price of $110.766 per share, executed in multiple trades between $110.61 and $110.78. Following the purchase, he directly owns 2,000 shares.
Federal Signal Corp. director Brenda Reichelderfer reported a small charitable-style move involving company stock. She disposed of 215 shares of Common Stock on March 4, 2026 in a bona fide gift, receiving no proceeds. After this transfer, she continues to hold 57,934 shares directly.
Federal Signal Corp President & CEO Jennifer L. Sherman reported multiple equity-related transactions. On February 27, 2026, she received a grant of stock options for 35,742 shares at $116.43 per share. These options become exercisable in three equal installments of 11,914 shares on February 27, 2027, February 27, 2028, and February 27, 2029.
She was also granted 11,810 shares of restricted common stock that vest in full on February 27, 2029, and separate awards of 66,508 shares of common stock at no purchase price. On February 26, 2026, 29,455 shares of common stock were disposed of at $117.63 per share to cover tax liabilities, described as a tax-withholding disposition rather than an open-market sale.
In addition, units held in the issuer’s 401(k) plan, which are convertible into common stock, were adjusted from 60,000.5812 to 60,195.9816 units based on an issuer price of $117.63 per share on February 26, 2026.
Federal Signal Corp executive Diane Bonina reported multiple equity awards and related tax transactions. On 02/27/2026, she received a stock option grant for 4,224 shares at an exercise price of $116.43 per share, vesting in three equal installments on 02/27/2027, 02/27/2028, and 02/27/2029. She also received a restricted stock award of 1,396 common shares, which fully vests on 02/27/2029.
On 02/26/2026, Bonina acquired 8,316 common shares as a grant or award and disposed of 3,718 common shares in a tax-withholding transaction at $117.63 per share. Following these transactions, her directly held common stock increased to 21,059 shares. Separately, units held indirectly in the company 401(k) plan were adjusted to 664.5692 units, reflecting the issuer’s share price of $117.63 on 02/26/2026.
Federal Signal Corporation executive Ian A. Hudson reported equity awards and a related tax share disposition. On 02/27/2026, he received a grant of 7,309 stock options at $116.43 per share, which become exercisable in three annual installments through 02/27/2029. He also received a restricted stock award of 2,416 common shares that fully vest on 02/27/2029.
On 02/26/2026, Hudson was granted 14,318 additional common shares and had 6,376 shares withheld and disposed of at $117.63 per share to satisfy tax obligations. After these transactions, his directly held common stock position was 95,904 shares.
Federal Signal Corp SVP & COO Mark Weber reported multiple equity awards and a related tax-share disposition. On February 27, 2026, he received a stock option grant for 7,796 shares at an exercise price of $116.43 per share, which will become exercisable in three annual installments through February 27, 2029. He also received a restricted stock award of 2,577 common shares that fully vests on February 27, 2029. On February 26, 2026, Weber was granted 22,170 common shares and had 9,843 common shares disposed of at $117.63 per share to cover taxes associated with these awards.
Federal Signal Corp. reported that VP of Strategy and Investor Relations Felix Boeschen received new equity awards. He was granted 1,787 stock options at an exercise price of $116.43 per share and a restricted stock award of 590 common shares.
All 590 restricted shares vest on 02/27/2029. The options become exercisable in three tranches: 596 shares on 02/27/2027, 595 shares on 02/27/2028, and 596 shares on 02/27/2029. Following these grants, Boeschen directly owns 1,726 common shares and 1,787 options.
Federal Signal Corp12/18/2025, she disposed of 1,805 shares of common stock in connection with a bona fide gift to the University of Michigan. After this gift, she held 570,164.8353 shares of common stock directly.
The filing also notes that 2,152.0834 shares were acquired through a dividend reinvestment plan. In addition, units held in the issuer’s 401(k) plan, which are convertible into Federal Signal common stock, were adjusted from 59,887.0215 to 60,000.5812 units based on an issuer price per share of $111.20 on 12/18/2025.
Federal Signal (FSS) disclosed an insider transaction by director John L. Workman. On 11/10/2025, he disposed of 2,500 shares of common stock under transaction code G, which indicates a bona fide gift at a reported price of $0.
Following the transaction, Workman beneficially owns 57,457 shares, held directly.
Federal Signal (FSS) reported insider activity. On 11/06/2025, SVP & COO Mark Weber exercised multiple stock options and sold shares the same day. Exercises included 2,546 shares at $27.8, 15,682 shares at $42.86, 19,780 shares at $35.8, 11,470 shares at $51.81, and 1,709 shares at $82.31.
Subsequent open‑market sales were reported at weighted average prices including $112.5457, $112.5001, $111.7011, $111.6109, $112.34, $111.0531, and $110.745, with detailed trade ranges available upon request as noted. Following these transactions, the reporting person held 73,874 shares of common stock directly.
Federal Signal (FSS) director Brenda Reichelderfer reported gifts of company stock. On 11/04/2025, she gifted 880 shares. On 11/05/2025, she recorded two additional gifts of 88 shares and 880 shares. All transactions were coded “G” and priced at $0, indicating bona fide gifts. Following these transactions, she directly beneficially owns 58,149 shares.
Federal Signal (FSS) reported an insider stock transfer. Director Dennis J. Martin filed a Form 4 showing a bona fide gift of 55,859 shares of common stock on 11/04/2025 (transaction code G) at a stated price of $0.
After the transaction, Martin beneficially owned 452,238 shares, held directly. The filing characterizes the move as a gift, indicating a non-cash disposition.