OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

BOKF, NA's Holding History (CIK: 0000009634)

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

Q4 2025
Shares 6,267 Value ($000) $506 Avg Close $80.23 Range $73.20 - $85.91
Q3 2025
Shares 6,293 Value ($000) $516 Avg Close $79.81 Range $73.77 - $85.12
Q2 2025
Shares 6,299 Value ($000) $486 Avg Close $76.31 Range $69.94 - $79.78
Q1 2025
Shares 6,110 Value ($000) $491 Avg Close $76.90 Range $69.36 - $83.20
Q4 2024
Shares 7,851 Value ($000) $572 Avg Close $75.57 Range $70.66 - $85.02
Q3 2024
Shares 9,124 Value ($000) $703 Avg Close $83.04 Range $72.06 - $96.51
Q2 2024
Shares 3,641 Value ($000) $319 Avg Close $83.59 Range $77.75 - $92.55
Q1 2024
Shares 3,585 Value ($000) $308 Avg Close $82.56 Range $76.18 - $94.24
Q3 2023
Shares 2,315 Value ($000) $178 Avg Close $77.16 Range $70.28 - $86.93
Q2 2023
Shares 2,236 Value ($000) $177 Avg Close $70.21 Range $64.41 - $74.69
Q1 2023
Shares 2,654 Value ($000) $192 Avg Close $61.74 Range $53.03 - $68.09