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REPLIGEN CORP

RGEN Net selling
CIK 0000730272 #924 in the set updated 17 Sep 2026
Bought (120 mo)
$1.19M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$171.78M
$9.07M on a plan · $103.97M straight out of an exercise
Sold at will
$58.74M
170 of 341 sales
Net
−$170.59M
−$57.56M against sales at will

By person

22 insiders · 364 transactions
9.3×

Olivier Loeillot holds 9.3 times base salary in stock. $8.02M of shares against $860.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Olivier Loeillot last reported holding, valued at $165.90, the price Common Stock was last bought or sold at on the open market here, on 4 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Hunt Anthony
Director
$248.16K (1)
$94.76M (132) scheduled
−$94.51M
89,062
0.1578%
$14.78M
−18.7%
EDDLEMAN ROY T
10% owner
—
$18.28M (10)
−$18.28M
783,985
1.39%
$130.06M
−69.8%
DAWES KAREN A
Director
—
$17.07M (78)
−$17.07M
92,816
0.1645%
$15.40M
+4.1%
Snodgres Jon
Chief Financial Officer
—
$11.32M (39) scheduled
−$11.32M
37,381
0.0662%
$6.20M
+114.2%
KURIYEL RALF
Senior VP, R&D
—
$10.63M (30) scheduled
−$10.63M
20,062
0.0355%
$3.33M
+236.5%
Cox John
Director
—
$4.07M (7) scheduled
−$4.07M
923
0.0016%
$153.13K
−74.5%
RYAN THOMAS F JR
Director
—
$3.46M (17) scheduled
−$3.46M
1,457
0.0026%
$241.72K
−82.9%
Loeillot Olivier
Chief Executive Officer
—
$3.21M (4) scheduled
−$3.21M
48,369
0.0857%
$8.02M
—
BARTHELEMY NICOLAS
Director
$150.54K (1)
$3.14M (8) scheduled
−$2.99M
5,436
0.0096%
$901.83K
+243.6%
Gebski Christine
See Remarks
—
$2.69M (5)
−$2.69M
27,419
0.0486%
$4.55M
−28.9%
Bylund James
Chief Operating Officer
—
$1.75M (4) scheduled
−$1.75M
25,423
0.0450%
$4.22M
+280.4%
Benjamin Howard
VP Business Development
—
$872.79K (3) scheduled
−$872.79K
33,908
0.0601%
$5.63M
+18.5%
Madaus Martin D
Director
$641.87K (6)
—
+$641.87K
8,381
0.0149%
$1.39M
—
COOPER GLENN L MD
Director
—
$334.71K (2)
−$334.71K
35,709
0.0633%
$5.92M
−3.7%
Garland Jason K
CFO
—
$185.79K (2) scheduled
−$185.79K
18,829
0.0334%
$3.12M
—
EGLINTON MANNER CARRIE
Director
$109.39K (1)
—
+$109.39K
5,461
0.0097%
$905.98K
—
Pax Margaret
Director
$37.67K (1)
—
+$37.67K
3,011
0.0053%
$499.52K
—
MUIR GLENN P
Director
—
—
—
40,051
0.0710%
$6.64M
+2,172%
Douglass Brian Robb
CHIEF PRODUCT OFFICER
—
—
—
7,985
0.0141%
$1.32M
+27.7%
Hughes Violetta
CHIEF ACCOUNTING OFFICER
—
—
—
6,331
0.0112%
$1.05M
—
Mhatre Rohin
Director
—
—
—
5,014
0.0089%
$831.82K
—
Konstantinov Konstantin
Director
—
—
—
3,889
0.0069%
$645.19K
—

Individual transactions

116
Insider
Date
Role
Action
Shares
Price
Amount
Loeillot Olivier
20 Aug 2026
Chief Executive Officer
Sold after exercise
5,426
$180.00
$976.68K
Hunt Anthony
13 Nov 2025
Director
Sold after exercise
1,956
$157.11
$307.31K
Hunt Anthony
13 Nov 2025
Director
Sold after exercise
5,737
$156.22
$896.23K
Hunt Anthony
13 Nov 2025
Director
Sold after exercise
3,000
$155.45
$466.35K
Hunt Anthony
13 Nov 2025
Director
Sold after exercise
2,500
$154.32
$385.80K
Hunt Anthony
13 Nov 2025
Director
Sold after exercise
2,923
$153.14
$447.63K
Hunt Anthony
13 Nov 2025
Director
Sold after exercise
2,100
$152.17
$319.56K
Hunt Anthony
13 Nov 2025
Director
Sold after exercise
1,784
$151.01
$269.40K
Hunt Anthony
12 Nov 2025
Director
Sold after exercise
464
$158.51
$73.55K
Hunt Anthony
12 Nov 2025
Director
Sold after exercise
11,096
$158.01
$1.75M
Hunt Anthony
12 Nov 2025
Director
Sold after exercise
4,959
$156.65
$776.83K
Hunt Anthony
12 Nov 2025
Director
Sold after exercise
4,740
$155.85
$738.73K
Hunt Anthony
12 Nov 2025
Director
Sold after exercise
3,741
$154.92
$579.56K
Hunt Anthony
10 Sep 2025
Director
Sold after exercise
2,179
$122.23
$266.34K
Hunt Anthony
10 Sep 2025
Director
Sold after exercise
7,584
$121.42
$920.85K
Hunt Anthony
10 Sep 2025
Director
Sold after exercise
14,882
$120.19
$1.79M
Hunt Anthony
10 Sep 2025
Director
Sold after exercise
3,262
$119.64
$390.27K
Hunt Anthony
10 Sep 2025
Director
Sold after exercise
1,108
$118.32
$131.10K
Hunt Anthony
10 Sep 2025
Director
Sold after exercise
96
$116.34
$11.17K
Hunt Anthony
17 Mar 2025
Director
Sold after exercise
2,283
$153.70
$350.90K
Hunt Anthony
17 Mar 2025
Director
Sold after exercise
15,619
$152.82
$2.39M
Hunt Anthony
17 Mar 2025
Director
Sold after exercise
6,176
$151.96
$938.50K
Hunt Anthony
17 Mar 2025
Director
Sold after exercise
2,518
$151.09
$380.44K
Hunt Anthony
17 Mar 2025
Director
Sold after exercise
100
$150.38
$15.04K
Hunt Anthony
17 Mar 2025
Director
Sold after exercise
60
$148.05
$8.88K
Hunt Anthony
21 Nov 2024
Director
Sold after exercise
24,246
$139.67
$3.39M
Hunt Anthony
10 Sep 2024
Director
Sold after exercise
604
$146.67
$88.59K
Hunt Anthony
10 Sep 2024
Director
Sold after exercise
10,723
$145.95
$1.57M
Hunt Anthony
10 Sep 2024
Director
Sold after exercise
9,369
$144.88
$1.36M
Hunt Anthony
10 Sep 2024
Director
Sold after exercise
1,495
$143.77
$214.94K
KURIYEL RALF
2 Aug 2024
Senior VP, R&D
Sold after exercise
175
$158.85
$27.80K
KURIYEL RALF
2 Aug 2024
Senior VP, R&D
Sold after exercise
6,973
$159.36
$1.11M
KURIYEL RALF
11 Mar 2024
Senior VP, R&D
Sold after exercise
3,517
$193.73
$681.35K
Hunt Anthony
8 Mar 2024
Chief Executive Officer
Sold after exercise
156
$202.55
$31.60K
Hunt Anthony
8 Mar 2024
Chief Executive Officer
Sold after exercise
806
$201.75
$162.61K
Hunt Anthony
8 Mar 2024
Chief Executive Officer
Sold after exercise
1,305
$200.56
$261.73K
Hunt Anthony
8 Mar 2024
Chief Executive Officer
Sold after exercise
1,822
$199.53
$363.54K
Hunt Anthony
8 Mar 2024
Chief Executive Officer
Sold after exercise
1,347
$198.55
$267.45K
Hunt Anthony
8 Mar 2024
Chief Executive Officer
Sold after exercise
1,666
$197.39
$328.85K
Hunt Anthony
8 Mar 2024
Chief Executive Officer
Sold after exercise
6,228
$196.32
$1.22M
Hunt Anthony
8 Mar 2024
Chief Executive Officer
Sold after exercise
3,377
$195.49
$660.17K
DAWES KAREN A
27 Feb 2024
Director
Sold after exercise
1,000
$193.35
$193.35K
Bylund James
23 Feb 2024
Chief Operating Officer
Sold after exercise
4,373
$198.08
$866.20K
DAWES KAREN A
29 Aug 2023
Director
Sold after exercise
850
$171.38
$145.67K
Hunt Anthony
11 Nov 2022
Chief Executive Officer
Sold after exercise
25,000
$200.00
$5.00M
Hunt Anthony
8 Sep 2022
Chief Executive Officer
Sold after exercise
245
$227.01
$55.62K
Hunt Anthony
8 Sep 2022
Chief Executive Officer
Sold after exercise
4,873
$226.34
$1.10M
Hunt Anthony
8 Sep 2022
Chief Executive Officer
Sold after exercise
10,490
$225.22
$2.36M
Hunt Anthony
8 Sep 2022
Chief Executive Officer
Sold after exercise
6,626
$224.47
$1.49M
Hunt Anthony
8 Sep 2022
Chief Executive Officer
Sold after exercise
1,389
$223.26
$310.11K
Hunt Anthony
8 Sep 2022
Chief Executive Officer
Sold after exercise
720
$222.24
$160.01K
Hunt Anthony
8 Sep 2022
Chief Executive Officer
Sold after exercise
1,235
$221.46
$273.50K
Hunt Anthony
8 Sep 2022
Chief Executive Officer
Sold after exercise
824
$220.08
$181.35K
Snodgres Jon
16 Aug 2022
Chief Financial Officer
Sold after exercise
2,400
$253.16
$607.58K
Snodgres Jon
16 Aug 2022
Chief Financial Officer
Sold after exercise
4,298
$252.70
$1.09M
KURIYEL RALF
11 Aug 2022
Senior VP, R&D
Sold after exercise
4,040
$254.14
$1.03M
KURIYEL RALF
11 Aug 2022
Senior VP, R&D
Sold after exercise
800
$255.20
$204.16K
Bylund James
3 Aug 2022
Chief Operating Officer
Sold after exercise
2,000
$240.40
$480.80K
Hunt Anthony
21 Jul 2022
Chief Executive Officer
Sold after exercise
24,802
$200.00
$4.96M
RYAN THOMAS F JR
1 Mar 2022
Director
Sold after exercise
1,000
$197.58
$197.58K
RYAN THOMAS F JR
1 Mar 2022
Director
Sold after exercise
1,000
$198.48
$198.48K
Hunt Anthony
18 Nov 2021
Chief Executive Officer
Sold after exercise
596
$281.40
$167.71K
Hunt Anthony
18 Nov 2021
Chief Executive Officer
Sold after exercise
970
$279.08
$270.71K
Hunt Anthony
18 Nov 2021
Chief Executive Officer
Sold after exercise
6,024
$278.08
$1.68M
Hunt Anthony
18 Nov 2021
Chief Executive Officer
Sold after exercise
1,732
$277.01
$479.78K
Hunt Anthony
18 Nov 2021
Chief Executive Officer
Sold after exercise
4,017
$276.20
$1.11M
Hunt Anthony
18 Nov 2021
Chief Executive Officer
Sold after exercise
1,955
$274.83
$537.29K
Hunt Anthony
18 Nov 2021
Chief Executive Officer
Sold after exercise
2,061
$273.91
$564.53K
DAWES KAREN A
10 Nov 2021
Director
Sold after exercise
14
$271.28
$3.80K
DAWES KAREN A
10 Nov 2021
Director
Sold after exercise
255
$269.94
$68.83K
DAWES KAREN A
10 Nov 2021
Director
Sold after exercise
349
$267.75
$93.44K
DAWES KAREN A
10 Nov 2021
Director
Sold after exercise
486
$266.72
$129.63K
DAWES KAREN A
10 Nov 2021
Director
Sold after exercise
488
$265.27
$129.45K
DAWES KAREN A
10 Nov 2021
Director
Sold after exercise
336
$264.21
$88.77K
DAWES KAREN A
10 Nov 2021
Director
Sold after exercise
1,119
$263.23
$294.55K
DAWES KAREN A
10 Nov 2021
Director
Sold after exercise
1,038
$262.28
$272.25K
DAWES KAREN A
10 Nov 2021
Director
Sold after exercise
236
$261.10
$61.62K
DAWES KAREN A
10 Nov 2021
Director
Sold after exercise
462
$259.75
$120.00K
RYAN THOMAS F JR
2 Nov 2021
Director
Sold after exercise
1,285
$302.00
$388.07K
BARTHELEMY NICOLAS
29 Oct 2021
Director
Sold after exercise
360
$288.19
$103.75K
BARTHELEMY NICOLAS
29 Oct 2021
Director
Sold after exercise
1,285
$288.20
$370.34K
Hunt Anthony
9 Sep 2021
Chief Executive Officer
Sold after exercise
8
$296.58
$2.37K
Hunt Anthony
9 Sep 2021
Chief Executive Officer
Sold after exercise
1,631
$296.09
$482.92K
Hunt Anthony
9 Sep 2021
Chief Executive Officer
Sold after exercise
14,825
$294.90
$4.37M
Hunt Anthony
9 Sep 2021
Chief Executive Officer
Sold after exercise
8,536
$294.22
$2.51M
DAWES KAREN A
1 Sep 2021
Director
Sold after exercise
851
$285.44
$242.91K
DAWES KAREN A
1 Sep 2021
Director
Sold after exercise
1,107
$284.64
$315.10K
DAWES KAREN A
1 Sep 2021
Director
Sold after exercise
661
$283.56
$187.43K
DAWES KAREN A
1 Sep 2021
Director
Sold after exercise
405
$282.53
$114.42K
DAWES KAREN A
1 Sep 2021
Director
Sold after exercise
196
$281.68
$55.21K
DAWES KAREN A
1 Sep 2021
Director
Sold after exercise
239
$280.27
$66.98K
DAWES KAREN A
13 Jul 2021
Director
Sold after exercise
1,520
$202.23
$307.39K
KURIYEL RALF
10 Jun 2021
Senior VP, R&D
Sold after exercise
6,802
$189.19
$1.29M
DAWES KAREN A
11 May 2021
Director
Sold after exercise
285
$176.85
$50.40K
KURIYEL RALF
10 Mar 2021
Senior VP, R&D
Sold after exercise
1,004
$192.13
$192.90K
KURIYEL RALF
10 Mar 2021
Senior VP, R&D
Sold after exercise
642
$191.33
$122.83K
KURIYEL RALF
10 Mar 2021
Senior VP, R&D
Sold after exercise
6,354
$190.08
$1.21M
RYAN THOMAS F JR
3 Mar 2021
Director
Sold after exercise
1,000
$205.00
$205.00K
Hunt Anthony
19 Nov 2020
Chief Executive Officer
Sold after exercise
1,430
$187.60
$268.27K
Hunt Anthony
19 Nov 2020
Chief Executive Officer
Sold after exercise
6,300
$186.50
$1.17M
Hunt Anthony
19 Nov 2020
Chief Executive Officer
Sold after exercise
6,823
$185.67
$1.27M
Hunt Anthony
19 Nov 2020
Chief Executive Officer
Sold after exercise
5,447
$184.69
$1.01M
RYAN THOMAS F JR
11 Nov 2020
Director
Sold after exercise
934
$187.73
$175.34K
Snodgres Jon
10 Nov 2020
Chief Financial Officer
Sold after exercise
3,086
$193.00
$595.60K
Snodgres Jon
9 Nov 2020
Chief Financial Officer
Sold after exercise
705
$194.69
$137.26K
Hunt Anthony
10 Sep 2020
Chief Executive Officer
Sold after exercise
2,397
$149.30
$357.87K
Hunt Anthony
10 Sep 2020
Chief Executive Officer
Sold after exercise
26,966
$148.56
$4.01M
Hunt Anthony
10 Sep 2020
Chief Executive Officer
Sold after exercise
11,132
$147.68
$1.64M
Hunt Anthony
10 Sep 2020
Chief Executive Officer
Sold after exercise
4,856
$146.85
$713.10K
KURIYEL RALF
6 Aug 2020
Senior VP, R&D
Sold after exercise
5,000
$153.79
$768.95K
RYAN THOMAS F JR
31 Jul 2020
Director
Sold after exercise
986
$151.77
$149.65K
RYAN THOMAS F JR
31 Jul 2020
Director
Sold after exercise
2,109
$151.96
$320.48K
Hunt Anthony
21 May 2020
Chief Executive Officer
Sold after exercise
100
$141.58
$14.16K
Hunt Anthony
21 May 2020
Chief Executive Officer
Sold after exercise
1,377
$140.99
$194.14K
Hunt Anthony
21 May 2020
Chief Executive Officer
Sold after exercise
28,980
$140.04
$4.06M
Hunt Anthony
21 May 2020
Chief Executive Officer
Sold after exercise
16,496
$139.17
$2.30M
Showing 250 of 364 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 348
Amendments (4/A) skipped 15
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 16
Sales straight out of an exercise 155
Sales at will 170
Transactions with no price 0
Shares from compensation/vesting 3,067,008
Sales filed before the plan box existed 166
History held since 16 Sep 2016