GINKGO BIOWORKS HOLDINGS INC

Ticker: DNA CUSIP: 37611X209 Class: Common Stock

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

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

Q4 2025

Shares 30,000 Value ($000) $249 Avg Close $10.77 Range $7.36 - $17.58

Q3 2025

Shares 30,000 Value ($000) $437 Avg Close $11.97 Range $9.27 - $15.48

Q2 2025

Shares 30,000 Value ($000) $338 Avg Close $7.75 Range $5.00 - $11.50

Q1 2025

Shares 30,000 Value ($000) $171 Avg Close $10.19 Range $5.52 - $16.85

Q4 2024

Shares 30,000 Value ($000) $295 Avg Close $8.57 Range $6.01 - $11.98

Q3 2024

Shares 56,750 Value ($000) $463 Avg Close $10.02 Range $5.26 - $16.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,000	$249	$10.77	$7.36 - $17.58
Q3 2025	30,000	$437	$11.97	$9.27 - $15.48
Q2 2025	30,000	$338	$7.75	$5.00 - $11.50
Q1 2025	30,000	$171	$10.19	$5.52 - $16.85
Q4 2024	30,000	$295	$8.57	$6.01 - $11.98
Q3 2024	56,750	$463	$10.02	$5.26 - $16.40