PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2025

Shares 48,546 Value ($000) $96 Avg Close $2.61 Range $1.70 - $4.58

Q3 2025

Shares 76,318 Value ($000) $178 Avg Close $1.70 Range $1.34 - $3.16

Q2 2025

Shares 62,609 Value ($000) $93 Avg Close $1.00 Range $0.69 - $1.57

Q1 2025

Shares 55,879 Value ($000) $75 Avg Close $1.90 Range $1.26 - $3.32

Q4 2024

Shares 46,183 Value ($000) $98 Avg Close $2.18 Range $1.79 - $2.86

Q3 2024

Shares 53,442 Value ($000) $121 Avg Close $2.24 Range $1.60 - $3.34

Q2 2024

Shares 63,780 Value ($000) $149 Avg Close $2.86 Range $2.25 - $4.90

Q1 2024

Shares 43,956 Value ($000) $151 Avg Close $3.72 Range $2.26 - $5.14

Q4 2023

Shares 33,293 Value ($000) $150 Avg Close $5.24 Range $3.22 - $7.90

Q3 2023

Shares 40,818 Value ($000) $310 Avg Close $9.77 Range $7.27 - $13.44

Q2 2023

Shares 38,694 Value ($000) $402 Avg Close $9.10 Range $7.39 - $11.78

Q1 2023

Shares 53,455 Value ($000) $626 Avg Close $14.30 Range $10.30 - $18.88

Q4 2022

Shares 57,617 Value ($000) $713 Avg Close $15.92 Range $11.49 - $23.45

Q3 2022

Shares 73,265 Value ($000) $1,540 Avg Close $23.85 Range $14.75 - $31.56

Q2 2022

Shares 74,861 Value ($000) $1,241 Avg Close $19.84 Range $12.70 - $32.05

Q1 2022

Shares 809,190 Value ($000) $23,151 Avg Close $23.83 Range $17.51 - $29.99

Q4 2021

Shares 925,080 Value ($000) $26,115 Avg Close $34.60 Range $23.81 - $46.50

Q3 2021

Shares 65,095 Value ($000) $1,663 Avg Close $26.79 Range $23.16 - $34.45

Q2 2021

Shares 66,801 Value ($000) $2,284 Avg Close $29.01 Range $18.47 - $37.75

Q1 2021

Shares 87,914 Value ($000) $3,151 Avg Close $51.55 Range $30.10 - $75.49

Q4 2020

Shares 107,107 Value ($000) $3,632 Avg Close $22.64 Range $13.27 - $37.51

Q3 2020

Shares 51,440 Value ($000) $690 Avg Close $11.02 Range $7.07 - $14.35

Q2 2020

Shares 53,537 Value ($000) $440 Avg Close $4.68 Range $3.22 - $8.34

Q1 2020

Shares 28,774 Value ($000) $102 Avg Close $4.07 Range $2.53 - $6.05

Q4 2014

Shares 24,083 Value ($000) $72 Avg Close $3.98 Range $2.60 - $5.48

Q3 2014

Shares 31,929 Value ($000) $147 Avg Close $5.15 Range $4.00 - $6.47

Q2 2014

Shares 31,929 Value ($000) $149 Avg Close $5.09 Range $3.62 - $8.37

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	48,546	$96	$2.61	$1.70 - $4.58
Q3 2025	76,318	$178	$1.70	$1.34 - $3.16
Q2 2025	62,609	$93	$1.00	$0.69 - $1.57
Q1 2025	55,879	$75	$1.90	$1.26 - $3.32
Q4 2024	46,183	$98	$2.18	$1.79 - $2.86
Q3 2024	53,442	$121	$2.24	$1.60 - $3.34
Q2 2024	63,780	$149	$2.86	$2.25 - $4.90
Q1 2024	43,956	$151	$3.72	$2.26 - $5.14
Q4 2023	33,293	$150	$5.24	$3.22 - $7.90
Q3 2023	40,818	$310	$9.77	$7.27 - $13.44
Q2 2023	38,694	$402	$9.10	$7.39 - $11.78
Q1 2023	53,455	$626	$14.30	$10.30 - $18.88
Q4 2022	57,617	$713	$15.92	$11.49 - $23.45
Q3 2022	73,265	$1,540	$23.85	$14.75 - $31.56
Q2 2022	74,861	$1,241	$19.84	$12.70 - $32.05
Q1 2022	809,190	$23,151	$23.83	$17.51 - $29.99
Q4 2021	925,080	$26,115	$34.60	$23.81 - $46.50
Q3 2021	65,095	$1,663	$26.79	$23.16 - $34.45
Q2 2021	66,801	$2,284	$29.01	$18.47 - $37.75
Q1 2021	87,914	$3,151	$51.55	$30.10 - $75.49
Q4 2020	107,107	$3,632	$22.64	$13.27 - $37.51
Q3 2020	51,440	$690	$11.02	$7.07 - $14.35
Q2 2020	53,537	$440	$4.68	$3.22 - $8.34
Q1 2020	28,774	$102	$4.07	$2.53 - $6.05
Q4 2014	24,083	$72	$3.98	$2.60 - $5.48
Q3 2014	31,929	$147	$5.15	$4.00 - $6.47
Q2 2014	31,929	$149	$5.09	$3.62 - $8.37