PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

CITIGROUP INC's Holding History (CIK: 0000831001)

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

Q4 2025

Shares 3,460,604 Value ($000) $6,817 Avg Close $2.61 Range $1.70 - $4.58

Q3 2025

Shares 567,094 Value ($000) $1,321 Avg Close $1.70 Range $1.34 - $3.16

Q2 2025

Shares 1,081,411 Value ($000) $1,611 Avg Close $1.00 Range $0.69 - $1.57

Q1 2025

Shares 1,621,883 Value ($000) $2,190 Avg Close $1.90 Range $1.26 - $3.32

Q4 2024

Shares 1,648,908 Value ($000) $3,512 Avg Close $2.18 Range $1.79 - $2.86

Q3 2024

Shares 1,572,105 Value ($000) $3,553 Avg Close $2.24 Range $1.60 - $3.34

Q2 2024

Shares 1,577,836 Value ($000) $3,676 Avg Close $2.86 Range $2.25 - $4.90

Q1 2024

Shares 2,494,396 Value ($000) $8,581 Avg Close $3.72 Range $2.26 - $5.14

Q4 2023

Shares 1,439,886 Value ($000) $6,479 Avg Close $5.24 Range $3.22 - $7.90

Q3 2023

Shares 453,652 Value ($000) $3,448 Avg Close $9.77 Range $7.27 - $13.44

Q2 2023

Shares 569,277 Value ($000) $5,915 Avg Close $9.10 Range $7.39 - $11.78

Q1 2023

Shares 965,756 Value ($000) $11,319 Avg Close $14.30 Range $10.30 - $18.88

Q4 2022

Shares 776,329 Value ($000) $9,603 Avg Close $15.92 Range $11.49 - $23.45

Q3 2022

Shares 682,533 Value ($000) $14,339 Avg Close $23.85 Range $14.75 - $31.56

Q2 2022

Shares 925,876 Value ($000) $15,342 Avg Close $19.84 Range $12.70 - $32.05

Q1 2022

Shares 937,395 Value ($000) $26,820 Avg Close $23.83 Range $17.51 - $29.99

Q4 2021

Shares 688,705 Value ($000) $19,443 Avg Close $34.60 Range $23.81 - $46.50

Q3 2021

Shares 847,654 Value ($000) $21,649 Avg Close $26.79 Range $23.16 - $34.45

Q2 2021

Shares 912,909 Value ($000) $31,212 Avg Close $29.01 Range $18.47 - $37.75

Q1 2021

Shares 926,546 Value ($000) $33,207 Avg Close $51.55 Range $30.10 - $75.49

Q4 2020

Shares 730,495 Value ($000) $24,770 Avg Close $22.64 Range $13.27 - $37.51

Q3 2020

Shares 103,486 Value ($000) $1,388 Avg Close $11.02 Range $7.07 - $14.35

Q2 2020

Shares 110,046 Value ($000) $903 Avg Close $4.68 Range $3.22 - $8.34

Q1 2020

Shares 96,567 Value ($000) $342 Avg Close $4.07 Range $2.53 - $6.05

Q4 2019

Shares 59,296 Value ($000) $187 Avg Close $3.04 Range $2.32 - $4.04

Q3 2019

Shares 298,919 Value ($000) $786 Avg Close $2.32 Range $1.88 - $2.94

Q2 2019

Shares 220,399 Value ($000) $495 Avg Close $2.48 Range $1.86 - $2.87

Q1 2019

Shares 250,000 Value ($000) $600 Avg Close $1.74 Range $1.23 - $2.65

Q4 2018

Shares 308,080 Value ($000) $383 Avg Close $1.70 Range $0.99 - $2.00

Q3 2018

Shares 205,155 Value ($000) $395 Avg Close $1.95 Range $1.72 - $2.20

Q2 2018

Shares 104,034 Value ($000) $210 Avg Close $1.94 Range $1.71 - $2.27

Q1 2018

Shares 33,017 Value ($000) $63 Avg Close $2.01 Range $1.53 - $2.44

Q4 2017

Shares 83,491 Value ($000) $197 Avg Close $2.56 Range $2.17 - $3.21

Q3 2017

Shares 230,954 Value ($000) $603 Avg Close $2.23 Range $1.98 - $2.82

Q2 2017

Shares 145,777 Value ($000) $297 Avg Close $2.09 Range $1.25 - $2.70

Q1 2017

Shares 50,891 Value ($000) $70 Avg Close $1.15 Range $0.83 - $1.52

Q4 2016

Shares 342,038 Value ($000) $411 Avg Close $1.47 Range $1.18 - $1.76

Q3 2016

Shares 175,946 Value ($000) $301 Avg Close $1.66 Range $1.34 - $1.95

Q2 2016

Shares 140,027 Value ($000) $261 Avg Close $1.91 Range $1.60 - $2.28

Q1 2016

Shares 252,989 Value ($000) $518 Avg Close $1.88 Range $1.30 - $2.25

Q4 2015

Shares 469,448 Value ($000) $991 Avg Close $2.20 Range $1.76 - $2.98

Q3 2015

Shares 419,055 Value ($000) $767 Avg Close $2.13 Range $1.56 - $2.85

Q2 2015

Shares 391,333 Value ($000) $958 Avg Close $2.62 Range $2.32 - $2.85

Q1 2015

Shares 392,915 Value ($000) $1,017 Avg Close $2.90 Range $2.42 - $3.38

Q4 2014

Shares 869,411 Value ($000) $2,608 Avg Close $3.98 Range $2.60 - $5.48

Q3 2014

Shares 699,997 Value ($000) $3,212 Avg Close $5.15 Range $4.00 - $6.47

Q2 2014

Shares 587,878 Value ($000) $2,751 Avg Close $5.09 Range $3.62 - $8.37

Q1 2014

Shares 45,322 Value ($000) $322 Avg Close $4.62 Range $1.89 - $11.72

Q4 2013

Shares 160 Value ($000) $0 Avg Close $0.97 Range $0.45 - $2.24

Q3 2013

Shares 7,622 Value ($000) $6 Avg Close $0.48 Range $0.26 - $0.80

Q2 2013

Shares 13,464 Value ($000) $5 Avg Close $0.28 Range $0.15 - $0.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,460,604	$6,817	$2.61	$1.70 - $4.58
Q3 2025	567,094	$1,321	$1.70	$1.34 - $3.16
Q2 2025	1,081,411	$1,611	$1.00	$0.69 - $1.57
Q1 2025	1,621,883	$2,190	$1.90	$1.26 - $3.32
Q4 2024	1,648,908	$3,512	$2.18	$1.79 - $2.86
Q3 2024	1,572,105	$3,553	$2.24	$1.60 - $3.34
Q2 2024	1,577,836	$3,676	$2.86	$2.25 - $4.90
Q1 2024	2,494,396	$8,581	$3.72	$2.26 - $5.14
Q4 2023	1,439,886	$6,479	$5.24	$3.22 - $7.90
Q3 2023	453,652	$3,448	$9.77	$7.27 - $13.44
Q2 2023	569,277	$5,915	$9.10	$7.39 - $11.78
Q1 2023	965,756	$11,319	$14.30	$10.30 - $18.88
Q4 2022	776,329	$9,603	$15.92	$11.49 - $23.45
Q3 2022	682,533	$14,339	$23.85	$14.75 - $31.56
Q2 2022	925,876	$15,342	$19.84	$12.70 - $32.05
Q1 2022	937,395	$26,820	$23.83	$17.51 - $29.99
Q4 2021	688,705	$19,443	$34.60	$23.81 - $46.50
Q3 2021	847,654	$21,649	$26.79	$23.16 - $34.45
Q2 2021	912,909	$31,212	$29.01	$18.47 - $37.75
Q1 2021	926,546	$33,207	$51.55	$30.10 - $75.49
Q4 2020	730,495	$24,770	$22.64	$13.27 - $37.51
Q3 2020	103,486	$1,388	$11.02	$7.07 - $14.35
Q2 2020	110,046	$903	$4.68	$3.22 - $8.34
Q1 2020	96,567	$342	$4.07	$2.53 - $6.05
Q4 2019	59,296	$187	$3.04	$2.32 - $4.04
Q3 2019	298,919	$786	$2.32	$1.88 - $2.94
Q2 2019	220,399	$495	$2.48	$1.86 - $2.87
Q1 2019	250,000	$600	$1.74	$1.23 - $2.65
Q4 2018	308,080	$383	$1.70	$0.99 - $2.00
Q3 2018	205,155	$395	$1.95	$1.72 - $2.20
Q2 2018	104,034	$210	$1.94	$1.71 - $2.27
Q1 2018	33,017	$63	$2.01	$1.53 - $2.44
Q4 2017	83,491	$197	$2.56	$2.17 - $3.21
Q3 2017	230,954	$603	$2.23	$1.98 - $2.82
Q2 2017	145,777	$297	$2.09	$1.25 - $2.70
Q1 2017	50,891	$70	$1.15	$0.83 - $1.52
Q4 2016	342,038	$411	$1.47	$1.18 - $1.76
Q3 2016	175,946	$301	$1.66	$1.34 - $1.95
Q2 2016	140,027	$261	$1.91	$1.60 - $2.28
Q1 2016	252,989	$518	$1.88	$1.30 - $2.25
Q4 2015	469,448	$991	$2.20	$1.76 - $2.98
Q3 2015	419,055	$767	$2.13	$1.56 - $2.85
Q2 2015	391,333	$958	$2.62	$2.32 - $2.85
Q1 2015	392,915	$1,017	$2.90	$2.42 - $3.38
Q4 2014	869,411	$2,608	$3.98	$2.60 - $5.48
Q3 2014	699,997	$3,212	$5.15	$4.00 - $6.47
Q2 2014	587,878	$2,751	$5.09	$3.62 - $8.37
Q1 2014	45,322	$322	$4.62	$1.89 - $11.72
Q4 2013	160	$0	$0.97	$0.45 - $2.24
Q3 2013	7,622	$6	$0.48	$0.26 - $0.80
Q2 2013	13,464	$5	$0.28	$0.15 - $0.53