Kirk K. Calhoun

Companies

• Ryerson, Inc.Board member Aug 7, 2014 to now¹
• NantHealth, Inc.Board member Jun 1, 2016 to Jun 10, 2022²
• PLx Pharma Winddown Corp.Board member Apr 20, 2017 to Nov 20, 2020³
• Cardiovascular Systems IncBoard member Jun 27, 2006 to May 9, 2008⁴

Holdings

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

Shares held

• Ryerson, Inc. RYZ4,673 shares⁵$130.4K at $27.90Jul 23, 2026

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

Recent filings

• Jul 23, 2026Granted 97 shares of Ryerson, Inc.⁵
• Apr 10, 2026Granted 389 shares of Ryerson, Inc.⁶
• Jan 1, 2026Granted 347 shares of Ryerson, Inc.⁷
• Sep 30, 2025Granted 382 shares of Ryerson, Inc.⁸
• Jun 30, 2025Granted 405 shares of Ryerson, Inc.⁹
• Apr 1, 2025Granted 381 shares of Ryerson, Inc.¹⁰
• Dec 31, 2024Granted 472 shares of Ryerson, Inc.¹¹
• Oct 1, 2024Granted 439 shares of Ryerson, Inc.¹²
• Jul 1, 2024Granted 448 shares of Ryerson, Inc.¹³
• Apr 1, 2024Granted 261 shares of Ryerson, Inc.¹⁴
• Jan 12, 2024Granted 252 shares of Ryerson, Inc.¹⁵
• Oct 2, 2023Granted 300 shares of Ryerson, Inc.¹⁶