William K. Gerber

Companies

• Wolverine World WideBoard member Feb 11, 2008 to now¹
• Cleveland-CliffsBoard member Mar 17, 2020 to Apr 28, 2023²
• AK Steel HoldingBoard member Jan 3, 2007 to Mar 13, 2020³
• Kelly ServicesChief financial officer Aug 15, 2003 to Nov 15, 2007⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Cleveland-Cliffs CLF137,578 shares⁵$1.7M at $12.12Apr 26, 2023
• Wolverine World Wide WWW56,785 shares⁶$1.1M at $19.49May 1, 2026
• Kelly Services KELYA15,559 shares⁷$236.3K at $15.19Jun 5, 2008

As of each latest filing. The line shows shares held over time.

Recent filings

• May 1, 2026Exercised options 11,027 shares of Wolverine World Wide⁶
• Aug 8, 2025Sold 12,854 shares at $27.33 of Wolverine World Wide⁸
• Aug 8, 2025Exercised options 12,854 shares at $19.25 of Wolverine World Wide⁸
• May 2, 2025Exercised options 13,315 shares of Wolverine World Wide⁹
• May 3, 2024Exercised options 9,515 shares of Wolverine World Wide¹⁰
• May 3, 2023Exercised options 7,165 shares of Wolverine World Wide¹¹
• Apr 26, 2023Granted 9,433 shares of Cleveland-Cliffs⁵
• May 6, 2022Exercised options 3,118 shares of Wolverine World Wide¹²
• Apr 26, 2022Granted 5,271 shares of Cleveland-Cliffs¹³
• Nov 16, 2021Sold 5,662 shares at $34.24 of Wolverine World Wide¹⁴
• Nov 16, 2021Exercised options 5,662 shares at $18.55 of Wolverine World Wide¹⁴
• Aug 10, 2021Sold 3,140 shares at $37.33 of Wolverine World Wide¹⁵
• Jun 5, 2008Sold 1,000 shares at $22.03 of Kelly Services⁷
• May 1, 2008Sold 1,000 shares at $22.36 of Kelly Services¹⁶
• May 1, 2008Sold 1,000 shares at $23.49 of Kelly Services¹⁷
• Apr 2, 2008Sold 1,000 shares at $21.13 of Kelly Services¹⁸
• Mar 18, 2008Sold 1,000 shares at $20.02 of Kelly Services¹⁹
• Feb 13, 2008Sold 1,000 shares at $20.06 of Kelly Services²⁰
• Nov 14, 2007Sold 500 shares at $21.01 of Kelly Services²¹
• Nov 14, 2007Sold 500 shares at $21.09 of Kelly Services²¹
• Jun 15, 2007Sold 1,000 shares at $28.12 of Kelly Services²²
• Jun 1, 2007Shares withheld for tax 1,549 shares at $28.90 of Kelly Services²³
• Jun 1, 2007Granted 7,500 shares at $28.90 of Kelly Services²³
• Feb 7, 2007Shares withheld for tax 1,408 shares at $31.24 of Kelly Services²⁴
• Feb 2, 2007Sold 1,000 shares at $31.17 of Kelly Services²⁵