REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

FEDERATED HERMES, INC.'s Holding History (CIK: 0001056288)

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

Q4 2025

Shares 4,255 Value ($000) $697 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 4,724 Value ($000) $631 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 4,878 Value ($000) $607 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 4,934 Value ($000) $628 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 5,266 Value ($000) $758 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 321,821 Value ($000) $47,893 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 321,402 Value ($000) $40,516 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 321,585 Value ($000) $59,146 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 396,568 Value ($000) $71,303 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 445,893 Value ($000) $70,901 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 450,477 Value ($000) $63,724 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 450,661 Value ($000) $75,873 Avg Close $178.42 Range $147.53 - $200.98

Q4 2022

Shares 506,407 Value ($000) $85,740 Avg Close $181.39 Range $158.58 - $225.62

Q3 2022

Shares 502,962 Value ($000) $94,109 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 514,944 Value ($000) $83,627 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 548,040 Value ($000) $103,081 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 562,892 Value ($000) $149,076 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 563,450 Value ($000) $162,831 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 564,478 Value ($000) $112,681 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 640,798 Value ($000) $124,578 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 689,945 Value ($000) $132,214 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 679,873 Value ($000) $100,309 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 684,325 Value ($000) $84,590 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 637,876 Value ($000) $61,580 Avg Close $96.54 Range $78.41 - $109.94

Q4 2019

Shares 1,086,230 Value ($000) $100,476 Avg Close $84.01 Range $72.32 - $93.50

Q3 2019

Shares 1,140,323 Value ($000) $87,451 Avg Close $87.47 Range $75.80 - $99.25

Q2 2019

Shares 993,969 Value ($000) $85,431 Avg Close $68.16 Range $52.87 - $86.16

Q1 2019

Shares 950,414 Value ($000) $56,150 Avg Close $57.51 Range $49.07 - $63.41

Q4 2018

Shares 941,773 Value ($000) $49,670 Avg Close $58.65 Range $48.26 - $70.50

Q3 2018

Shares 696,280 Value ($000) $38,616 Avg Close $51.54 Range $45.00 - $58.99

Q2 2018

Shares 814,238 Value ($000) $38,302 Avg Close $41.16 Range $34.61 - $47.87

Q1 2018

Shares 930,956 Value ($000) $33,682 Avg Close $35.17 Range $29.56 - $37.82

Q4 2017

Shares 860,560 Value ($000) $31,221 Avg Close $36.20 Range $31.96 - $40.05

Q3 2017

Shares 834,097 Value ($000) $31,963 Avg Close $41.91 Range $35.73 - $46.12

Q2 2017

Shares 844,789 Value ($000) $35,009 Avg Close $38.00 Range $32.73 - $46.81

Q1 2017

Shares 844,818 Value ($000) $29,738 Avg Close $31.67 Range $28.48 - $35.61

Q4 2016

Shares 845,176 Value ($000) $26,048 Avg Close $30.93 Range $26.16 - $34.06

Q3 2016

Shares 846,815 Value ($000) $25,565 Avg Close $30.18 Range $25.93 - $33.79

Q2 2016

Shares 851,445 Value ($000) $23,295 Avg Close $25.57 Range $21.11 - $28.97

Q1 2016

Shares 866,006 Value ($000) $23,227 Avg Close $24.47 Range $20.07 - $28.85

Q4 2015

Shares 578,908 Value ($000) $16,377 Avg Close $28.84 Range $21.69 - $36.00

Q3 2015

Shares 581,476 Value ($000) $16,194 Avg Close $36.14 Range $27.25 - $42.22

Q2 2015

Shares 577,611 Value ($000) $23,838 Avg Close $36.64 Range $28.88 - $42.48

Q1 2015

Shares 589,421 Value ($000) $17,894 Avg Close $25.94 Range $19.53 - $34.15

Q4 2014

Shares 659,592 Value ($000) $13,060 Avg Close $22.36 Range $19.02 - $26.75

Q3 2014

Shares 772,095 Value ($000) $15,372 Avg Close $21.05 Range $18.23 - $24.68

Q2 2014

Shares 754,764 Value ($000) $17,201 Avg Close $17.80 Range $12.60 - $23.14

Q1 2014

Shares 803,500 Value ($000) $10,333 Avg Close $14.34 Range $11.70 - $17.26

Q4 2013

Shares 749,475 Value ($000) $10,223 Avg Close $11.94 Range $9.89 - $14.05

Q3 2013

Shares 1,469,400 Value ($000) $16,296 Avg Close $9.95 Range $8.25 - $11.44

Q2 2013

Shares 2,035,870 Value ($000) $16,776 Avg Close $8.40 Range $6.65 - $9.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,255	$697	$156.63	$134.19 - $174.01
Q3 2025	4,724	$631	$121.47	$110.77 - $135.57
Q2 2025	4,878	$607	$127.25	$102.97 - $148.94
Q1 2025	4,934	$628	$153.93	$125.39 - $182.52
Q4 2024	5,266	$758	$143.40	$121.52 - $161.24
Q3 2024	321,821	$47,893	$143.39	$117.63 - $172.65
Q2 2024	321,402	$40,516	$156.74	$113.50 - $184.98
Q1 2024	321,585	$59,146	$190.44	$167.40 - $211.13
Q4 2023	396,568	$71,303	$155.67	$110.45 - $188.31
Q3 2023	445,893	$70,901	$163.47	$134.64 - $181.26
Q2 2023	450,477	$63,724	$160.35	$135.37 - $182.42
Q1 2023	450,661	$75,873	$178.42	$147.53 - $200.98
Q4 2022	506,407	$85,740	$181.39	$158.58 - $225.62
Q3 2022	502,962	$94,109	$210.87	$157.33 - $262.26
Q2 2022	514,944	$83,627	$158.16	$137.21 - $190.59
Q1 2022	548,040	$103,081	$189.96	$156.28 - $265.78
Q4 2021	562,892	$149,076	$269.41	$243.29 - $306.98
Q3 2021	563,450	$162,831	$256.54	$193.03 - $327.32
Q2 2021	564,478	$112,681	$193.99	$162.29 - $223.03
Q1 2021	640,798	$124,578	$205.03	$173.09 - $228.84
Q4 2020	689,945	$132,214	$181.94	$146.52 - $212.55
Q3 2020	679,873	$100,309	$142.94	$120.12 - $159.97
Q2 2020	684,325	$84,590	$117.64	$92.00 - $143.93
Q1 2020	637,876	$61,580	$96.54	$78.41 - $109.94
Q4 2019	1,086,230	$100,476	$84.01	$72.32 - $93.50
Q3 2019	1,140,323	$87,451	$87.47	$75.80 - $99.25
Q2 2019	993,969	$85,431	$68.16	$52.87 - $86.16
Q1 2019	950,414	$56,150	$57.51	$49.07 - $63.41
Q4 2018	941,773	$49,670	$58.65	$48.26 - $70.50
Q3 2018	696,280	$38,616	$51.54	$45.00 - $58.99
Q2 2018	814,238	$38,302	$41.16	$34.61 - $47.87
Q1 2018	930,956	$33,682	$35.17	$29.56 - $37.82
Q4 2017	860,560	$31,221	$36.20	$31.96 - $40.05
Q3 2017	834,097	$31,963	$41.91	$35.73 - $46.12
Q2 2017	844,789	$35,009	$38.00	$32.73 - $46.81
Q1 2017	844,818	$29,738	$31.67	$28.48 - $35.61
Q4 2016	845,176	$26,048	$30.93	$26.16 - $34.06
Q3 2016	846,815	$25,565	$30.18	$25.93 - $33.79
Q2 2016	851,445	$23,295	$25.57	$21.11 - $28.97
Q1 2016	866,006	$23,227	$24.47	$20.07 - $28.85
Q4 2015	578,908	$16,377	$28.84	$21.69 - $36.00
Q3 2015	581,476	$16,194	$36.14	$27.25 - $42.22
Q2 2015	577,611	$23,838	$36.64	$28.88 - $42.48
Q1 2015	589,421	$17,894	$25.94	$19.53 - $34.15
Q4 2014	659,592	$13,060	$22.36	$19.02 - $26.75
Q3 2014	772,095	$15,372	$21.05	$18.23 - $24.68
Q2 2014	754,764	$17,201	$17.80	$12.60 - $23.14
Q1 2014	803,500	$10,333	$14.34	$11.70 - $17.26
Q4 2013	749,475	$10,223	$11.94	$9.89 - $14.05
Q3 2013	1,469,400	$16,296	$9.95	$8.25 - $11.44
Q2 2013	2,035,870	$16,776	$8.40	$6.65 - $9.65