Tammy J. Miller

Companies

• MDU ResourcesBoard member Aug 14, 2025 to now¹
• SkyWater Technology, LLCBoard member Apr 4, 2025 to now²

Holdings

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

Shares held

• MDU Resources MDU6,031 shares³$113.9K at $18.89Nov 13, 2025
• STSkyWater Technology, LLC0 shares⁴Jul 31, 2026

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

Recent filings

• Jul 31, 2026Returned to company 4,304 shares of SkyWater Technology, LLC⁴
• Jul 31, 2026Returned to company 11,428 shares of SkyWater Technology, LLC⁴
• Jun 10, 2026Granted 4,304 shares of SkyWater Technology, LLC⁵
• Nov 13, 2025Granted 3,031 shares of MDU Resources³
• May 21, 2025Granted 11,428 shares at $8.75 of SkyWater Technology, LLC⁶