WILLIAMS COS INC

Ticker: WMB CUSIP: 969457100 Class: COM

Great Diamond Partners, LLC's Holding History (CIK: 0001801112)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 34,870 Value ($000) $2,096 Avg Close $60.06 Range $55.73 - $65.01

Q3 2025

Shares 34,720 Value ($000) $2,200 Avg Close $57.82 Range $54.90 - $63.95

Q2 2025

Shares 32,832 Value ($000) $2,062 Avg Close $57.67 Range $50.30 - $62.40

Q1 2025

Shares 16,102 Value ($000) $962 Avg Close $55.43 Range $51.03 - $60.14

Q4 2019

Shares 1,508 Value ($000) $35 Avg Close $16.27 Range $15.50 - $17.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	34,870	$2,096	$60.06	$55.73 - $65.01
Q3 2025	34,720	$2,200	$57.82	$54.90 - $63.95
Q2 2025	32,832	$2,062	$57.67	$50.30 - $62.40
Q1 2025	16,102	$962	$55.43	$51.03 - $60.14
Q4 2019	1,508	$35	$16.27	$15.50 - $17.32