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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

98
Insider
Date
Role
Action
Shares
Price
Amount
DAWES KAREN A
17 Dec 2025
Director
Sell
275
$161.00
$44.28K
Bylund James
18 Nov 2025
Chief Operating Officer
Sell
2,191
$151.21
$331.30K
KURIYEL RALF
1 Aug 2024
Senior VP, R&D
Sell
4,465
$165.67
$739.72K
Gebski Christine
10 Nov 2023
See Remarks
Sell
3,788
$147.13
$557.33K
Snodgres Jon
16 Feb 2023
Chief Financial Officer
Sell
5,647
$200.00
$1.13M
DAWES KAREN A
9 Sep 2022
Director
Sell
775
$227.17
$176.06K
Gebski Christine
4 Aug 2022
See Remarks
Sell
3,357
$243.01
$815.78K
Snodgres Jon
1 Aug 2022
Chief Financial Officer
Sell
2,000
$220.00
$440.00K
DAWES KAREN A
25 May 2022
Director
Sell
742
$152.84
$113.41K
DAWES KAREN A
25 May 2022
Director
Sell
1,875
$152.14
$285.26K
DAWES KAREN A
25 May 2022
Director
Sell
1,845
$151.14
$278.85K
DAWES KAREN A
25 May 2022
Director
Sell
7,677
$150.19
$1.15M
DAWES KAREN A
25 May 2022
Director
Sell
2,576
$149.18
$384.29K
RYAN THOMAS F JR
4 Nov 2021
Director
Sell
1,000
$288.00
$288.00K
DAWES KAREN A
2 Nov 2021
Director
Sell
283
$306.49
$86.74K
DAWES KAREN A
2 Nov 2021
Director
Sell
700
$305.91
$214.14K
DAWES KAREN A
2 Nov 2021
Director
Sell
124
$304.23
$37.72K
DAWES KAREN A
2 Nov 2021
Director
Sell
532
$303.48
$161.45K
DAWES KAREN A
2 Nov 2021
Director
Sell
446
$301.97
$134.68K
DAWES KAREN A
2 Nov 2021
Director
Sell
251
$301.20
$75.60K
DAWES KAREN A
2 Nov 2021
Director
Sell
64
$299.02
$19.14K
DAWES KAREN A
14 Sep 2021
Director
Sell
27
$295.82
$7.99K
DAWES KAREN A
14 Sep 2021
Director
Sell
108
$295.02
$31.86K
DAWES KAREN A
14 Sep 2021
Director
Sell
101
$294.06
$29.70K
DAWES KAREN A
14 Sep 2021
Director
Sell
25
$292.34
$7.31K
DAWES KAREN A
14 Sep 2021
Director
Sell
13
$290.02
$3.77K
Gebski Christine
1 Sep 2021
See Remarks
Sell
3,377
$285.33
$963.56K
KURIYEL RALF
30 Aug 2021
Senior VP, R&D
Sell
4,001
$282.13
$1.13M
DAWES KAREN A
18 Aug 2021
Director
Sell
40
$262.31
$10.49K
DAWES KAREN A
18 Aug 2021
Director
Sell
78
$260.91
$20.35K
DAWES KAREN A
18 Aug 2021
Director
Sell
388
$259.93
$100.85K
DAWES KAREN A
18 Aug 2021
Director
Sell
634
$258.91
$164.15K
DAWES KAREN A
18 Aug 2021
Director
Sell
302
$257.66
$77.81K
DAWES KAREN A
17 Aug 2021
Director
Sell
194
$256.43
$49.75K
DAWES KAREN A
17 Aug 2021
Director
Sell
2,231
$255.07
$569.06K
DAWES KAREN A
17 Aug 2021
Director
Sell
8,580
$254.09
$2.18M
DAWES KAREN A
17 Aug 2021
Director
Sell
4,665
$253.34
$1.18M
DAWES KAREN A
17 Aug 2021
Director
Sell
920
$251.92
$231.77K
DAWES KAREN A
17 Aug 2021
Director
Sell
924
$251.15
$232.06K
RYAN THOMAS F JR
4 Aug 2021
Director
Sell
780
$250.50
$195.39K
DAWES KAREN A
20 Jul 2021
Director
Sell
614
$203.11
$124.71K
DAWES KAREN A
20 Jul 2021
Director
Sell
2,877
$202.29
$581.99K
DAWES KAREN A
20 Jul 2021
Director
Sell
806
$201.37
$162.30K
DAWES KAREN A
20 Jul 2021
Director
Sell
288
$200.01
$57.60K
Hunt Anthony
19 May 2021
Chief Executive Officer
Sell
380
$175.15
$66.56K
Hunt Anthony
19 May 2021
Chief Executive Officer
Sell
2,819
$174.41
$491.66K
Hunt Anthony
19 May 2021
Chief Executive Officer
Sell
1,560
$173.19
$270.18K
Hunt Anthony
19 May 2021
Chief Executive Officer
Sell
3,036
$172.52
$523.77K
Hunt Anthony
19 May 2021
Chief Executive Officer
Sell
3,420
$171.32
$585.91K
Hunt Anthony
19 May 2021
Chief Executive Officer
Sell
7,911
$170.28
$1.35M
Hunt Anthony
19 May 2021
Chief Executive Officer
Sell
2,529
$169.45
$428.54K
Hunt Anthony
19 May 2021
Chief Executive Officer
Sell
612
$168.29
$102.99K
Snodgres Jon
14 May 2021
Chief Financial Officer
Sell
470
$172.60
$81.12K
KURIYEL RALF
14 May 2021
Senior VP, R&D
Sell
710
$172.29
$122.33K
Gebski Christine
14 May 2021
See Remarks
Sell
445
$172.25
$76.65K
Bylund James
6 Apr 2021
SVP, Global Operations & IT
Sell
360
$204.25
$73.53K
Gebski Christine
16 Mar 2021
See Remarks
Sell
1,400
$196.88
$275.63K
Hunt Anthony
12 Mar 2021
Chief Executive Officer
Sell
235
$194.08
$45.61K
Hunt Anthony
12 Mar 2021
Chief Executive Officer
Sell
227
$193.30
$43.88K
Hunt Anthony
12 Mar 2021
Chief Executive Officer
Sell
1,378
$192.17
$264.81K
Hunt Anthony
12 Mar 2021
Chief Executive Officer
Sell
1,081
$191.19
$206.68K
Hunt Anthony
12 Mar 2021
Chief Executive Officer
Sell
4,096
$190.17
$778.94K
Hunt Anthony
12 Mar 2021
Chief Executive Officer
Sell
1,171
$188.77
$221.05K
Hunt Anthony
12 Mar 2021
Chief Executive Officer
Sell
914
$188.06
$171.89K
KURIYEL RALF
4 Mar 2021
Senior VP, R&D
Sell
700
$190.06
$133.04K
KURIYEL RALF
4 Mar 2021
Senior VP, R&D
Sell
600
$191.20
$114.72K
KURIYEL RALF
4 Mar 2021
Senior VP, R&D
Sell
350
$192.24
$67.28K
KURIYEL RALF
4 Mar 2021
Senior VP, R&D
Sell
25
$194.30
$4.86K
KURIYEL RALF
4 Mar 2021
Senior VP, R&D
Sell
400
$196.23
$78.49K
Snodgres Jon
4 Mar 2021
Chief Financial Officer
Sell
600
$189.75
$113.85K
Snodgres Jon
4 Mar 2021
Chief Financial Officer
Sell
603
$190.45
$114.84K
Snodgres Jon
4 Mar 2021
Chief Financial Officer
Sell
500
$191.43
$95.72K
Snodgres Jon
4 Mar 2021
Chief Financial Officer
Sell
900
$192.54
$173.29K
Snodgres Jon
4 Mar 2021
Chief Financial Officer
Sell
242
$193.72
$46.88K
Snodgres Jon
4 Mar 2021
Chief Financial Officer
Sell
500
$196.30
$98.15K
Snodgres Jon
4 Mar 2021
Chief Financial Officer
Sell
200
$197.86
$39.57K
Hunt Anthony
4 Mar 2021
Chief Executive Officer
Sell
1,633
$185.22
$302.46K
Hunt Anthony
4 Mar 2021
Chief Executive Officer
Sell
4,746
$185.91
$882.33K
Hunt Anthony
4 Mar 2021
Chief Executive Officer
Sell
4,271
$186.90
$798.25K
Hunt Anthony
4 Mar 2021
Chief Executive Officer
Sell
595
$187.48
$111.55K
Hunt Anthony
4 Mar 2021
Chief Executive Officer
Sell
6,193
$193.45
$1.20M
Hunt Anthony
4 Mar 2021
Chief Executive Officer
Sell
2,125
$194.43
$413.16K
Hunt Anthony
4 Mar 2021
Chief Executive Officer
Sell
1,082
$195.54
$211.57K
Hunt Anthony
4 Mar 2021
Chief Executive Officer
Sell
461
$196.44
$90.56K
Hunt Anthony
4 Mar 2021
Chief Executive Officer
Sell
794
$197.94
$157.16K
Snodgres Jon
4 Jan 2021
Chief Financial Officer
Sell
59
$195.77
$11.55K
Snodgres Jon
4 Jan 2021
Chief Financial Officer
Sell
571
$195.16
$111.44K
Snodgres Jon
4 Jan 2021
Chief Financial Officer
Sell
218
$193.88
$42.27K
Snodgres Jon
4 Jan 2021
Chief Financial Officer
Sell
918
$192.74
$176.94K
Snodgres Jon
4 Jan 2021
Chief Financial Officer
Sell
202
$190.50
$38.48K
Snodgres Jon
4 Jan 2021
Chief Financial Officer
Sell
1,333
$190.09
$253.39K
Snodgres Jon
4 Jan 2021
Chief Financial Officer
Sell
656
$188.69
$123.78K
KURIYEL RALF
16 Dec 2020
Senior VP, R&D
Sell
435
$186.18
$80.99K
BARTHELEMY NICOLAS
9 Nov 2020
Director
Sell
1,214
$195.51
$237.35K
DAWES KAREN A
18 Jun 2020
Director
Sell
2,568
$116.56
$299.33K
DAWES KAREN A
18 Jun 2020
Director
Sell
8,217
$115.76
$951.20K
DAWES KAREN A
18 Jun 2020
Director
Sell
5,243
$114.49
$600.27K
DAWES KAREN A
18 Jun 2020
Director
Sell
2,677
$113.58
$304.05K
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