GERON CORP

Ticker: GERN CUSIP: 374163103 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 727,512 Value ($000) $960 Avg Close $1.25 Range $1.04 - $1.48

Q3 2025

Shares 837,653 Value ($000) $1,148 Avg Close $1.33 Range $1.09 - $1.55

Q2 2025

Shares 873,893 Value ($000) $1,232 Avg Close $1.42 Range $1.17 - $1.69

Q1 2025

Shares 839,456 Value ($000) $1,335 Avg Close $2.44 Range $1.46 - $3.68

Q4 2024

Shares 834,844 Value ($000) $2,955 Avg Close $3.99 Range $3.20 - $4.55

Q3 2024

Shares 822,774 Value ($000) $3,735 Avg Close $4.55 Range $4.15 - $5.06

Q2 2024

Shares 846,768 Value ($000) $3,590 Avg Close $3.90 Range $3.05 - $5.34

Q1 2024

Shares 727,218 Value ($000) $2,400 Avg Close $2.23 Range $1.64 - $3.50

Q4 2023

Shares 709,143 Value ($000) $1,496 Avg Close $1.94 Range $1.68 - $2.37

Q3 2023

Shares 705,986 Value ($000) $1,497 Avg Close $2.71 Range $2.08 - $3.41

Q2 2023

Shares 707,895 Value ($000) $2,272 Avg Close $2.85 Range $1.95 - $3.74

Q1 2023

Shares 572,637 Value ($000) $1 Avg Close $2.84 Range $2.12 - $3.84

Q4 2022

Shares 508,205 Value ($000) $1 Avg Close $2.24 Range $1.96 - $2.50

Q3 2022

Shares 499,607 Value ($000) $1,169 Avg Close $2.24 Range $1.54 - $3.06

Q2 2022

Shares 466,299 Value ($000) $723 Avg Close $1.41 Range $1.18 - $1.68

Q1 2022

Shares 351,835 Value ($000) $478 Avg Close $1.11 Range $0.99 - $1.63

Q4 2021

Shares 388,853 Value ($000) $474 Avg Close $1.43 Range $1.19 - $1.74

Q3 2021

Shares 391,307 Value ($000) $536 Avg Close $1.33 Range $1.20 - $1.50

Q2 2021

Shares 382,300 Value ($000) $539 Avg Close $1.45 Range $1.22 - $2.23

Q1 2021

Shares 426,967 Value ($000) $675 Avg Close $1.79 Range $1.49 - $2.36

Q4 2020

Shares 440,995 Value ($000) $701 Avg Close $1.82 Range $1.53 - $2.15

Q3 2020

Shares 364,630 Value ($000) $634 Avg Close $1.85 Range $1.56 - $2.34

Q2 2020

Shares 313,306 Value ($000) $683 Avg Close $1.49 Range $0.95 - $2.40

Q1 2020

Shares 299,244 Value ($000) $356 Avg Close $1.22 Range $0.75 - $1.50

Q4 2019

Shares 278,739 Value ($000) $379 Avg Close $1.45 Range $1.24 - $1.58

Q3 2019

Shares 274,615 Value ($000) $365 Avg Close $1.34 Range $1.08 - $1.64

Q2 2019

Shares 250,733 Value ($000) $354 Avg Close $1.65 Range $1.29 - $2.14

Q1 2019

Shares 213,250 Value ($000) $354 Avg Close $1.37 Range $0.98 - $1.90

Q4 2018

Shares 217,927 Value ($000) $218 Avg Close $1.52 Range $0.95 - $1.92

Q3 2018

Shares 146,532 Value ($000) $258 Avg Close $4.36 Range $1.50 - $6.99

Q2 2018

Shares 155,038 Value ($000) $532 Avg Close $3.82 Range $3.23 - $5.17

Q1 2018

Shares 137,443 Value ($000) $584 Avg Close $2.70 Range $1.78 - $6.68

Q4 2017

Shares 142,043 Value ($000) $256 Avg Close $2.02 Range $1.74 - $2.36

Q3 2017

Shares 171,179 Value ($000) $373 Avg Close $2.36 Range $1.95 - $3.01

Q2 2017

Shares 168,889 Value ($000) $468 Avg Close $2.66 Range $2.05 - $3.15

Q1 2017

Shares 177,575 Value ($000) $403 Avg Close $2.13 Range $1.87 - $2.45

Q4 2016

Shares 170,499 Value ($000) $353 Avg Close $2.11 Range $1.81 - $2.45

Q3 2016

Shares 158,937 Value ($000) $359 Avg Close $2.59 Range $1.84 - $3.13

Q2 2016

Shares 156,877 Value ($000) $420 Avg Close $2.91 Range $2.42 - $3.35

Q1 2016

Shares 156,037 Value ($000) $456 Avg Close $2.99 Range $2.30 - $4.77

Q4 2015

Shares 154,847 Value ($000) $749 Avg Close $4.02 Range $2.60 - $5.30

Q3 2015

Shares 144,777 Value ($000) $400 Avg Close $3.62 Range $2.60 - $4.67

Q2 2015

Shares 139,544 Value ($000) $597 Avg Close $3.96 Range $3.52 - $4.47

Q1 2015

Shares 216,924 Value ($000) $818 Avg Close $3.39 Range $2.70 - $4.49

Q4 2014

Shares 205,024 Value ($000) $666 Avg Close $2.77 Range $1.76 - $3.96

Q3 2014

Shares 187,169 Value ($000) $374 Avg Close $2.46 Range $1.98 - $3.12

Q2 2014

Shares 187,169 Value ($000) $601 Avg Close $2.09 Range $1.60 - $3.28

Q1 2014

Shares 177,996 Value ($000) $370 Avg Close $3.99 Range $1.31 - $5.60

Q4 2013

Shares 167,326 Value ($000) $793 Avg Close $4.29 Range $2.50 - $7.36

Q3 2013

Shares 182,536 Value ($000) $611 Avg Close $1.64 Range $1.20 - $3.73

Q2 2013

Shares 183,701 Value ($000) $276 Avg Close $1.08 Range $0.93 - $1.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	727,512	$960	$1.25	$1.04 - $1.48
Q3 2025	837,653	$1,148	$1.33	$1.09 - $1.55
Q2 2025	873,893	$1,232	$1.42	$1.17 - $1.69
Q1 2025	839,456	$1,335	$2.44	$1.46 - $3.68
Q4 2024	834,844	$2,955	$3.99	$3.20 - $4.55
Q3 2024	822,774	$3,735	$4.55	$4.15 - $5.06
Q2 2024	846,768	$3,590	$3.90	$3.05 - $5.34
Q1 2024	727,218	$2,400	$2.23	$1.64 - $3.50
Q4 2023	709,143	$1,496	$1.94	$1.68 - $2.37
Q3 2023	705,986	$1,497	$2.71	$2.08 - $3.41
Q2 2023	707,895	$2,272	$2.85	$1.95 - $3.74
Q1 2023	572,637	$1	$2.84	$2.12 - $3.84
Q4 2022	508,205	$1	$2.24	$1.96 - $2.50
Q3 2022	499,607	$1,169	$2.24	$1.54 - $3.06
Q2 2022	466,299	$723	$1.41	$1.18 - $1.68
Q1 2022	351,835	$478	$1.11	$0.99 - $1.63
Q4 2021	388,853	$474	$1.43	$1.19 - $1.74
Q3 2021	391,307	$536	$1.33	$1.20 - $1.50
Q2 2021	382,300	$539	$1.45	$1.22 - $2.23
Q1 2021	426,967	$675	$1.79	$1.49 - $2.36
Q4 2020	440,995	$701	$1.82	$1.53 - $2.15
Q3 2020	364,630	$634	$1.85	$1.56 - $2.34
Q2 2020	313,306	$683	$1.49	$0.95 - $2.40
Q1 2020	299,244	$356	$1.22	$0.75 - $1.50
Q4 2019	278,739	$379	$1.45	$1.24 - $1.58
Q3 2019	274,615	$365	$1.34	$1.08 - $1.64
Q2 2019	250,733	$354	$1.65	$1.29 - $2.14
Q1 2019	213,250	$354	$1.37	$0.98 - $1.90
Q4 2018	217,927	$218	$1.52	$0.95 - $1.92
Q3 2018	146,532	$258	$4.36	$1.50 - $6.99
Q2 2018	155,038	$532	$3.82	$3.23 - $5.17
Q1 2018	137,443	$584	$2.70	$1.78 - $6.68
Q4 2017	142,043	$256	$2.02	$1.74 - $2.36
Q3 2017	171,179	$373	$2.36	$1.95 - $3.01
Q2 2017	168,889	$468	$2.66	$2.05 - $3.15
Q1 2017	177,575	$403	$2.13	$1.87 - $2.45
Q4 2016	170,499	$353	$2.11	$1.81 - $2.45
Q3 2016	158,937	$359	$2.59	$1.84 - $3.13
Q2 2016	156,877	$420	$2.91	$2.42 - $3.35
Q1 2016	156,037	$456	$2.99	$2.30 - $4.77
Q4 2015	154,847	$749	$4.02	$2.60 - $5.30
Q3 2015	144,777	$400	$3.62	$2.60 - $4.67
Q2 2015	139,544	$597	$3.96	$3.52 - $4.47
Q1 2015	216,924	$818	$3.39	$2.70 - $4.49
Q4 2014	205,024	$666	$2.77	$1.76 - $3.96
Q3 2014	187,169	$374	$2.46	$1.98 - $3.12
Q2 2014	187,169	$601	$2.09	$1.60 - $3.28
Q1 2014	177,996	$370	$3.99	$1.31 - $5.60
Q4 2013	167,326	$793	$4.29	$2.50 - $7.36
Q3 2013	182,536	$611	$1.64	$1.20 - $3.73
Q2 2013	183,701	$276	$1.08	$0.93 - $1.47