AMPLITECH GROUP INC

Ticker: AMPG CUSIP: 03211Q200 Class: COM NEW

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025
Shares 83,949 Value ($000) $251 Avg Close $3.38 Range $2.53 - $4.63
Q3 2025
Shares 63,051 Value ($000) $245 Avg Close $3.28 Range $2.00 - $4.89
Q2 2025
Shares 38,749 Value ($000) $82 Avg Close $1.90 Range $1.21 - $2.59
Q3 2023
Shares 11,861 Value ($000) $24 Avg Close $2.06 Range $1.70 - $2.68
Q2 2023
Shares 23,269 Value ($000) $54 Avg Close $2.73 Range $2.24 - $3.57
Q1 2023
Shares 13,687 Value ($000) $37 Avg Close $2.50 Range $2.03 - $3.15
Q4 2022
Shares 13,687 Value ($000) $0 Avg Close $2.20 Range $1.85 - $2.74