Katharine Weymouth

Companies

• XometryBoard member Jun 29, 2021 to now¹
• Republic ServicesBoard member Oct 2, 2018 to now²
• Cable One, Inc.Board member Jul 1, 2015 to now³
• Graham Holdings CompanyBoard member Oct 1, 2010 to now⁴

Holdings

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

Shares held

• Graham Holdings Company GHC7,615 shares⁵$9.2M at $1,205.61May 26, 2026
• Xometry XMTR38,960 shares⁶$3.6M at $91.34Aug 31, 2026
• Republic Services RSG8,138 shares⁷$1.9M at $231.44Jan 31, 2026
• COCable One, Inc. CABO5,325 shares⁸$33.1K at $6.22May 18, 2026

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

Recent filings

• Aug 31, 2026Sold 5,000 shares at $95.23 of Xometry⁶
• Aug 31, 2026Exercised options 5,000 shares at $4.46 of Xometry⁶
• Aug 28, 2026Sold 5,000 shares at $94.30 of Xometry⁶
• Aug 28, 2026Exercised options 5,000 shares at $4.46 of Xometry⁶
• May 26, 2026Other 6,000 shares of Graham Holdings Company⁵
• May 14, 2026Granted 3,031 shares at $51.13 of Cable One, Inc.⁸
• Mar 10, 2026Granted 1,356 shares of Xometry⁹
• Mar 10, 2026Granted 3,681 shares of Xometry⁹
• Feb 27, 2026Bought 1,215 shares at $41.15 of Xometry¹⁰
• Jan 31, 2026Exercised options 1,858 shares of Republic Services⁷
• Dec 9, 2025Bought 478 shares at $209.46 of Republic Services¹¹
• Jun 16, 2025Bought 150 shares at $130.88 of Cable One, Inc.¹²
• May 15, 2025Granted 941 shares at $164.70 of Cable One, Inc.¹³
• Mar 11, 2025Granted 2,064 shares of Xometry¹⁴
• Mar 11, 2025Granted 5,689 shares of Xometry¹⁴
• Jan 31, 2025Exercised options 2,608 shares of Republic Services¹⁵
• Jan 31, 2025Exercised options 1,775 shares of Republic Services¹⁵
• Dec 5, 2024Sold 1,859 shares at $215.27 of Republic Services¹⁶
• Nov 13, 2024Sold 378 shares at $949.26 of Graham Holdings Company¹⁷
• Jun 4, 2024Bought 540 shares at $185.26 of Republic Services¹⁸
• May 16, 2024Granted 392 shares at $395.36 of Cable One, Inc.¹⁹
• Mar 14, 2024Sold 556 shares at $712.99 of Graham Holdings Company²⁰
• Mar 4, 2024Bought 500 shares at $16.86 of Xometry²¹
• Feb 27, 2024Granted 1,656 shares of Xometry²²
• Feb 27, 2024Granted 5,416 shares of Xometry²²