AMPLITECH GROUP INC

Ticker: AMPG CUSIP: 03211Q200 Class: COM NEW

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q4 2025
Shares 87,840 Value ($000) $263 Avg Close $3.38 Range $2.53 - $4.63
Q3 2025
Shares 69,317 Value ($000) $270 Avg Close $3.28 Range $2.00 - $4.89
Q2 2025
Shares 69,317 Value ($000) $147 Avg Close $1.90 Range $1.21 - $2.59
Q1 2025
Shares 58,667 Value ($000) $91 Avg Close $2.04 Range $1.42 - $5.54