OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

OSAIC HOLDINGS, INC.'s Holding History (CIK: 0001677044)

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

Q4 2025

Shares 34,482 Value ($000) $2,788 Avg Close $80.23 Range $73.20 - $85.91

Q3 2025

Shares 31,838 Value ($000) $2,667 Avg Close $79.81 Range $73.77 - $85.12

Q2 2025

Shares 21,601 Value ($000) $1,666 Avg Close $76.31 Range $69.94 - $79.78

Q1 2025

Shares 21,133 Value ($000) $1,700 Avg Close $76.90 Range $69.36 - $83.20

Q4 2024

Shares 21,762 Value ($000) $1,608 Avg Close $75.57 Range $70.66 - $85.02

Q3 2024

Shares 19,716 Value ($000) $1,542 Avg Close $83.04 Range $72.06 - $96.51

Q2 2024

Shares 21,209 Value ($000) $1,858 Avg Close $83.59 Range $77.75 - $92.55

Q1 2024

Shares 23,673 Value ($000) $2,046 Avg Close $82.56 Range $76.18 - $94.24

Q4 2023

Shares 24,327 Value ($000) $2,068 Avg Close $72.94 Range $64.95 - $84.21

Q3 2023

Shares 31,930 Value ($000) $2,425 Avg Close $77.16 Range $70.28 - $86.93

Q2 2023

Shares 23,281 Value ($000) $1,839 Avg Close $70.21 Range $64.41 - $74.69

Q1 2023

Shares 23,379 Value ($000) $1,690 Avg Close $61.74 Range $53.03 - $68.09

Q4 2022

Shares 26,078 Value ($000) $1,532 Avg Close $55.25 Range $48.33 - $63.55

Q3 2022

Shares 26,295 Value ($000) $1,618 Avg Close $66.11 Range $56.18 - $75.76

Q2 2022

Shares 27,180 Value ($000) $1,825 Avg Close $57.93 Range $52.29 - $62.99

Q1 2022

Shares 26,480 Value ($000) $1,655 Avg Close $56.77 Range $53.45 - $64.83

Q4 2021

Shares 29,412 Value ($000) $2,102 Avg Close $58.09 Range $49.63 - $64.66

Q3 2021

Shares 29,094 Value ($000) $1,630 Avg Close $47.36 Range $42.04 - $52.53

Q2 2021

Shares 28,834 Value ($000) $1,408 Avg Close $42.43 Range $40.25 - $44.44

Q1 2021

Shares 28,135 Value ($000) $1,299 Avg Close $37.61 Range $34.41 - $41.57

Q4 2020

Shares 27,631 Value ($000) $1,178 Avg Close $35.50 Range $31.11 - $38.92

Q3 2020

Shares 25,384 Value ($000) $919 Avg Close $33.22 Range $30.66 - $36.11

Q2 2020

Shares 24,425 Value ($000) $947 Avg Close $35.99 Range $31.54 - $41.04

Q1 2020

Shares 23,746 Value ($000) $1,057 Avg Close $42.27 Range $26.34 - $48.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	34,482	$2,788	$80.23	$73.20 - $85.91
Q3 2025	31,838	$2,667	$79.81	$73.77 - $85.12
Q2 2025	21,601	$1,666	$76.31	$69.94 - $79.78
Q1 2025	21,133	$1,700	$76.90	$69.36 - $83.20
Q4 2024	21,762	$1,608	$75.57	$70.66 - $85.02
Q3 2024	19,716	$1,542	$83.04	$72.06 - $96.51
Q2 2024	21,209	$1,858	$83.59	$77.75 - $92.55
Q1 2024	23,673	$2,046	$82.56	$76.18 - $94.24
Q4 2023	24,327	$2,068	$72.94	$64.95 - $84.21
Q3 2023	31,930	$2,425	$77.16	$70.28 - $86.93
Q2 2023	23,281	$1,839	$70.21	$64.41 - $74.69
Q1 2023	23,379	$1,690	$61.74	$53.03 - $68.09
Q4 2022	26,078	$1,532	$55.25	$48.33 - $63.55
Q3 2022	26,295	$1,618	$66.11	$56.18 - $75.76
Q2 2022	27,180	$1,825	$57.93	$52.29 - $62.99
Q1 2022	26,480	$1,655	$56.77	$53.45 - $64.83
Q4 2021	29,412	$2,102	$58.09	$49.63 - $64.66
Q3 2021	29,094	$1,630	$47.36	$42.04 - $52.53
Q2 2021	28,834	$1,408	$42.43	$40.25 - $44.44
Q1 2021	28,135	$1,299	$37.61	$34.41 - $41.57
Q4 2020	27,631	$1,178	$35.50	$31.11 - $38.92
Q3 2020	25,384	$919	$33.22	$30.66 - $36.11
Q2 2020	24,425	$947	$35.99	$31.54 - $41.04
Q1 2020	23,746	$1,057	$42.27	$26.34 - $48.43