Repligen Corp (RGEN)

Repligen Corp experienced thirteen insider trading transactions over the past ninety days, totaling approximately 11.9 million dollars in sales. CEO Olivier Loeillot executed these planned divestments amid a thirty percent stock price increase. These activities occurred following a positive earnings report, with shares currently trading near their yearly peak.
Ticker: RGEN Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Repligen Corp. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.2
Loeillot Olivier Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
493.22
Quantity 21,987 +14.7%
Value US$3,687,015
3.2
Loeillot Olivier Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
404.44
Quantity 81,611 +32.5%
Value US$4,314,170
3.2
Loeillot Olivier Officer; Director Executive Director
Transaction date
Proposed sale
Price
378.41
Quantity 74,090
Value US$4,167,072
3.2
Loeillot Olivier Officer; Director Executive Director
Transaction date
Proposed sale
Price
178.75
Quantity 1,333
Value US$238,274
3.2
Loeillot Olivier Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
190.00
Quantity 4,542 -8.6%
Value US$862,980
3.2
Loeillot Olivier Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
190.00
Quantity 8,404 -14.8%
Value US$1,596,760
3.2
Loeillot Olivier Officer; Director Executive Director
Transaction date
Proposed sale
Price
190.00
Quantity 12,946
Value US$2,459,740
3.2
Loeillot Olivier Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
180.00
Quantity 5,426 -10.1%
Value US$976,680
3.2
Loeillot Olivier Officer; Director Executive Director
Transaction date
Proposed sale
Price
180.00
Quantity 5,426
Value US$976,680
3.2
Loeillot Olivier Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
165.90
Quantity 3,035 -5.9%
Value US$503,506
3.2
Loeillot Olivier Officer; Director Executive Director
Transaction date
Proposed sale
Price
165.90
Quantity 3,035
Value US$503,506
3.2
Loeillot Olivier Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
180.00
Quantity 5,426 -9.1%
Value US$976,680
3.2
Loeillot Olivier Officer; Director Executive Director
Transaction date
Proposed sale
Price
180.00
Quantity 5,426
Value US$976,680
Garland Jason K CFO Officer
Transaction date
Planned sale
Price
150.00
Quantity 530 -2.7%
Value US$79,500
Garland Jason K Officer Officer
Transaction date
Proposed sale
Price
150.00
Quantity 530
Value US$79,500
Garland Jason K CFO Officer
Transaction date
Planned sale
Price
145.00
Quantity 733 -3.6%
Value US$106,285
Garland Jason K Officer Officer
Transaction date
Proposed sale
Price
145.00
Quantity 733
Value US$106,285
3.2
Loeillot Olivier Chief Executive Officer Executive Director
Transaction date
Sale
Price
140.00
Quantity 3,832 -6.6%
Value US$536,480
3.2
Loeillot Olivier Officer; Director Executive Director
Transaction date
Proposed sale
Price
140.00
Quantity 3,832
Value US$536,480
2.5
DAWES KAREN A Non-Executive Director
Transaction date
Sale
Price
161.00
Quantity 275 -0.3%
Value US$44,275
2.5
DAWES KAREN A Director Non-Executive Director
Transaction date
Proposed sale
Price
161.00
Quantity 275
Value US$44,275
3.2
Loeillot Olivier Chief Executive Officer Executive Director
Transaction date
Sale
Price
170.00
Quantity 7,041 -16.4%
Value US$1,196,970
3.2
Loeillot Olivier Officer; Director Executive Director
Transaction date
Proposed sale
Price
170.00
Quantity 7,041
Value US$1,196,970
3.8
Bylund James Chief Operating Officer Officer
Transaction date
Sale
Price
151.21
Quantity 2,191 -9.2%
Value US$331,301
3.8
Bylund James Officer Officer
Transaction date
Proposed sale
Price
151.21
Quantity 2,191
Value US$331,304
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
157.11
Quantity 1,956 -2.4%
Value US$307,307
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
156.22
Quantity 5,737 -6.5%
Value US$896,234
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
155.45
Quantity 3,000 -3.3%
Value US$466,350
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
154.32
Quantity 2,500 -2.7%
Value US$385,800
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
153.14
Quantity 2,923 -3.0%
Value US$447,628
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
152.17
Quantity 2,100 -2.1%
Value US$319,557
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
151.01
Quantity 1,784 -1.8%
Value US$269,402
3.2
Hunt Anthony Director Non-Executive Director
Transaction date
Proposed sale
Price
154.62
Quantity 20,000
Value US$3,092,327
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
158.51
Quantity 464 -0.5%
Value US$73,549
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
158.01
Quantity 11,096 -9.9%
Value US$1,753,279
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
156.65
Quantity 4,959 -4.2%
Value US$776,827
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
155.85
Quantity 4,740 -3.9%
Value US$738,729
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
154.92
Quantity 3,741 -3.0%
Value US$579,556
3.2
Hunt Anthony Director Non-Executive Director
Transaction date
Proposed sale
Price
156.88
Quantity 25,000
Value US$3,921,981
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
122.23
Quantity 2,179 -2.1%
Value US$266,339
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
121.42
Quantity 7,584 -6.9%
Value US$920,849
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
120.19
Quantity 14,882 -11.9%
Value US$1,788,668
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
119.64
Quantity 3,262 -2.5%
Value US$390,266
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
118.32
Quantity 1,108 -0.9%
Value US$131,099
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
116.34
Quantity 96 -0.1%
Value US$11,169
3.2
Hunt Anthony Director Non-Executive Director
Transaction date
Proposed sale
Price
120.52
Quantity 29,111
Value US$3,508,378
4.1
Madaus Martin D Non-Executive Director
Transaction date
Purchase
Price
112.13
Quantity 1,800 +inf%
Value US$201,830
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
127.00
Quantity 7 -0.0%
Value US$889
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
125.20
Quantity 268 -0.2%
Value US$33,554
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
124.34
Quantity 6,533 -5.6%
Value US$812,313
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
123.57
Quantity 17,596 -13.1%
Value US$2,174,338
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
122.66
Quantity 2,043 -1.5%
Value US$250,594
3.2
Hunt Anthony Director Non-Executive Director
Transaction date
Proposed sale
Price
128.34
Quantity 26,447
Value US$3,394,208
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
153.70
Quantity 2,283 -1.6%
Value US$350,897
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
152.82
Quantity 15,619 -10.1%
Value US$2,386,896
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
151.96
Quantity 6,176 -3.9%
Value US$938,505
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
151.09
Quantity 2,518 -1.5%
Value US$380,445
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
150.38
Quantity 100 -0.1%
Value US$15,038
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
148.05
Quantity 60 -0.0%
Value US$8,883
0.7
Pax Margaret Non-Executive Director
Transaction date
Purchase
Price
150.69
Quantity 250 +31.5%
Value US$37,672
3.2
Hunt Anthony Director Non-Executive Director
Transaction date
Proposed sale
Price
150.42
Quantity 26,756
Value US$4,024,638
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
139.67
Quantity 24,246 -14.8%
Value US$3,386,439
3.2
Anthony Hunt Executive Chairman
Transaction date
Proposed sale
Price
139.66
Quantity 24,246
Value US$3,386,311
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
146.67
Quantity 604 -0.4%
Value US$88,589
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
145.95
Quantity 10,723 -7.1%
Value US$1,565,022
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
144.88
Quantity 9,369 -5.8%
Value US$1,357,381
3.2
Hunt Anthony Non-Executive Director
Transaction date
Sale
Price
143.77
Quantity 1,495 -0.9%
Value US$214,936
3.2
Hunt Anthony Officer Officer
Transaction date
Proposed sale
Price
144.72
Quantity 22,191
Value US$3,211,481
3.2
KURIYEL RALF Senior VP, R&D Officer
Transaction date
Sale
Price
158.85
Quantity 175 -1.4%
Value US$27,799
3.2
KURIYEL RALF Senior VP, R&D Officer
Transaction date
Sale
Price
159.36
Quantity 6,973 -36.2%
Value US$1,111,217
3.2
Ralf Kuriyel Senior Vice President
Transaction date
Proposed sale
Price
159.35
Quantity 7,148
Value US$1,139,040
3.0
Christine Gebski Senior Vice President
Transaction date
Proposed sale
Price
167.00
Quantity 2,160
Value US$360,720
3.2
Ralf Kuriyel Senior Vice President
Transaction date
Proposed sale
Price
165.67
Quantity 4,465
Value US$739,705
3.2
KURIYEL RALF Senior VP, R&D Officer
Transaction date
Sale
Price
165.67
Quantity 4,465 -18.8%
Value US$739,717
4.1
Madaus Martin D Non-Executive Director
Transaction date
Purchase
Price
125.46
Quantity 700 +17.9%
Value US$87,822
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-10-06 2026-10-05 PlS Planned sale

Chief Executive Officer

Executive Director
21,987 +14.7%
493.22
US$3,687,015
21,987 +14.7% 493.22 US$3,687,015
2026-10-06 2026-10-05 PlS Planned sale

Chief Executive Officer

Executive Director
81,611 +32.5%
404.44
US$4,314,170
81,611 +32.5% 404.44 US$4,314,170
2026-10-05 2026-10-05 PrS Proposed sale

Officer; Director

Executive Director
74,090
378.41
US$4,167,072
74,090 378.41 US$4,167,072
2026-10-05 2026-10-05 PrS Proposed sale

Officer; Director

Executive Director
1,333
178.75
US$238,274
1,333 178.75 US$238,274
2026-09-25 2026-09-24 PlS Planned sale

Chief Executive Officer

Executive Director
4,542 -8.6%
190.00
US$862,980
4,542 -8.6% 190.00 US$862,980
2026-09-25 2026-09-24 PlS Planned sale

Chief Executive Officer

Executive Director
8,404 -14.8%
190.00
US$1,596,760
8,404 -14.8% 190.00 US$1,596,760
2026-09-24 2026-09-24 PrS Proposed sale

Officer; Director

Executive Director
12,946
190.00
US$2,459,740
12,946 190.00 US$2,459,740
2026-09-22 2026-09-21 PlS Planned sale

Chief Executive Officer

Executive Director
5,426 -10.1%
180.00
US$976,680
5,426 -10.1% 180.00 US$976,680
2026-09-21 2026-09-21 PrS Proposed sale

Officer; Director

Executive Director
5,426
180.00
US$976,680
5,426 180.00 US$976,680
2026-09-08 2026-09-04 PlS Planned sale

Chief Executive Officer

Executive Director
3,035 -5.9%
165.90
US$503,506
3,035 -5.9% 165.90 US$503,506
2026-09-04 2026-09-04 PrS Proposed sale

Officer; Director

Executive Director
3,035
165.90
US$503,506
3,035 165.90 US$503,506
2026-08-21 2026-08-20 PlS Planned sale

Chief Executive Officer

Executive Director
5,426 -9.1%
180.00
US$976,680
5,426 -9.1% 180.00 US$976,680
2026-08-20 2026-08-20 PrS Proposed sale

Officer; Director

Executive Director
5,426
180.00
US$976,680
5,426 180.00 US$976,680
2026-07-17 2026-07-16 PlS Planned sale

CFO

Officer
530 -2.7%
150.00
US$79,500
530 -2.7% 150.00 US$79,500
2026-07-16 2026-07-16 PrS Proposed sale

Officer

Officer
530
150.00
US$79,500
530 150.00 US$79,500
2026-06-26 2026-06-25 PlS Planned sale

CFO

Officer
733 -3.6%
145.00
US$106,285
733 -3.6% 145.00 US$106,285
2026-06-25 2026-06-25 PrS Proposed sale

Officer

Officer
733
145.00
US$106,285
733 145.00 US$106,285
2026-04-22 2026-04-21 S Sale

Chief Executive Officer

Executive Director
3,832 -6.6%
140.00
US$536,480
3,832 -6.6% 140.00 US$536,480
2026-04-21 2026-04-21 PrS Proposed sale

Officer; Director

Executive Director
3,832
140.00
US$536,480
3,832 140.00 US$536,480
2025-12-18 2025-12-17 S Sale Non-Executive Director
275 -0.3%
161.00
US$44,275
275 -0.3% 161.00 US$44,275
2025-12-17 2025-12-17 PrS Proposed sale

Director

Non-Executive Director
275
161.00
US$44,275
275 161.00 US$44,275
2025-11-26 2025-11-25 S Sale

Chief Executive Officer

Executive Director
7,041 -16.4%
170.00
US$1,196,970
7,041 -16.4% 170.00 US$1,196,970
2025-11-25 2025-11-25 PrS Proposed sale

Officer; Director

Executive Director
7,041
170.00
US$1,196,970
7,041 170.00 US$1,196,970
2025-11-19 2025-11-18 S Sale

Chief Operating Officer

Officer
2,191 -9.2%
151.21
US$331,301
2,191 -9.2% 151.21 US$331,301
2025-11-18 2025-11-18 PrS Proposed sale

Officer

Officer
2,191
151.21
US$331,304
2,191 151.21 US$331,304
2025-11-14 2025-11-13 S Sale Non-Executive Director
1,956 -2.4%
157.11
US$307,307
1,956 -2.4% 157.11 US$307,307
2025-11-14 2025-11-13 S Sale Non-Executive Director
5,737 -6.5%
156.22
US$896,234
5,737 -6.5% 156.22 US$896,234
2025-11-14 2025-11-13 S Sale Non-Executive Director
3,000 -3.3%
155.45
US$466,350
3,000 -3.3% 155.45 US$466,350
2025-11-14 2025-11-13 S Sale Non-Executive Director
2,500 -2.7%
154.32
US$385,800
2,500 -2.7% 154.32 US$385,800
2025-11-14 2025-11-13 S Sale Non-Executive Director
2,923 -3.0%
153.14
US$447,628
2,923 -3.0% 153.14 US$447,628
2025-11-14 2025-11-13 S Sale Non-Executive Director
2,100 -2.1%
152.17
US$319,557
2,100 -2.1% 152.17 US$319,557
2025-11-14 2025-11-13 S Sale Non-Executive Director
1,784 -1.8%
151.01
US$269,402
1,784 -1.8% 151.01 US$269,402
2025-11-13 2025-11-13 PrS Proposed sale

Director

Non-Executive Director
20,000
154.62
US$3,092,327
20,000 154.62 US$3,092,327
2025-11-13 2025-11-12 S Sale Non-Executive Director
464 -0.5%
158.51
US$73,549
464 -0.5% 158.51 US$73,549
2025-11-13 2025-11-12 S Sale Non-Executive Director
11,096 -9.9%
158.01
US$1,753,279
11,096 -9.9% 158.01 US$1,753,279
2025-11-13 2025-11-12 S Sale Non-Executive Director
4,959 -4.2%
156.65
US$776,827
4,959 -4.2% 156.65 US$776,827
2025-11-13 2025-11-12 S Sale Non-Executive Director
4,740 -3.9%
155.85
US$738,729
4,740 -3.9% 155.85 US$738,729
2025-11-13 2025-11-12 S Sale Non-Executive Director
3,741 -3.0%
154.92
US$579,556
3,741 -3.0% 154.92 US$579,556
2025-11-12 2025-11-12 PrS Proposed sale

Director

Non-Executive Director
25,000
156.88
US$3,921,981
25,000 156.88 US$3,921,981
2025-09-11 2025-09-10 S Sale Non-Executive Director
2,179 -2.1%
122.23
US$266,339
2,179 -2.1% 122.23 US$266,339
2025-09-11 2025-09-10 S Sale Non-Executive Director
7,584 -6.9%
121.42
US$920,849
7,584 -6.9% 121.42 US$920,849
2025-09-11 2025-09-10 S Sale Non-Executive Director
14,882 -11.9%
120.19
US$1,788,668
14,882 -11.9% 120.19 US$1,788,668
2025-09-11 2025-09-10 S Sale Non-Executive Director
3,262 -2.5%
119.64
US$390,266
3,262 -2.5% 119.64 US$390,266
2025-09-11 2025-09-10 S Sale Non-Executive Director
1,108 -0.9%
118.32
US$131,099
1,108 -0.9% 118.32 US$131,099
2025-09-11 2025-09-10 S Sale Non-Executive Director
96 -0.1%
116.34
US$11,169
96 -0.1% 116.34 US$11,169
2025-09-10 2025-09-10 PrS Proposed sale

Director

Non-Executive Director
29,111
120.52
US$3,508,378
29,111 120.52 US$3,508,378
2025-08-12 2025-08-08 B Purchase Non-Executive Director
1,800 +inf%
112.13
US$201,830
1,800 +inf% 112.13 US$201,830
2025-05-16 2025-05-15 S Sale Non-Executive Director
7 -0.0%
127.00
US$889
7 -0.0% 127.00 US$889
2025-05-16 2025-05-15 S Sale Non-Executive Director
268 -0.2%
125.20
US$33,554
268 -0.2% 125.20 US$33,554
2025-05-16 2025-05-15 S Sale Non-Executive Director
6,533 -5.6%
124.34
US$812,313
6,533 -5.6% 124.34 US$812,313
2025-05-16 2025-05-15 S Sale Non-Executive Director
17,596 -13.1%
123.57
US$2,174,338
17,596 -13.1% 123.57 US$2,174,338
2025-05-16 2025-05-15 S Sale Non-Executive Director
2,043 -1.5%
122.66
US$250,594
2,043 -1.5% 122.66 US$250,594
2025-05-15 2025-05-15 PrS Proposed sale

Director

Non-Executive Director
26,447
128.34
US$3,394,208
26,447 128.34 US$3,394,208
2025-03-19 2025-03-17 S Sale Non-Executive Director
2,283 -1.6%
153.70
US$350,897
2,283 -1.6% 153.70 US$350,897
2025-03-19 2025-03-17 S Sale Non-Executive Director
15,619 -10.1%
152.82
US$2,386,896
15,619 -10.1% 152.82 US$2,386,896
2025-03-19 2025-03-17 S Sale Non-Executive Director
6,176 -3.9%
151.96
US$938,505
6,176 -3.9% 151.96 US$938,505
2025-03-19 2025-03-17 S Sale Non-Executive Director
2,518 -1.5%
151.09
US$380,445
2,518 -1.5% 151.09 US$380,445
2025-03-19 2025-03-17 S Sale Non-Executive Director
100 -0.1%
150.38
US$15,038
100 -0.1% 150.38 US$15,038
2025-03-19 2025-03-17 S Sale Non-Executive Director
60 -0.0%
148.05
US$8,883
60 -0.0% 148.05 US$8,883
2025-03-18 2025-03-17 B Purchase Non-Executive Director
250 +31.5%
150.69
US$37,672
250 +31.5% 150.69 US$37,672
2025-03-17 2025-03-17 PrS Proposed sale

Director

Non-Executive Director
26,756
150.42
US$4,024,638
26,756 150.42 US$4,024,638
2024-11-22 2024-11-21 S Sale Non-Executive Director
24,246 -14.8%
139.67
US$3,386,439
24,246 -14.8% 139.67 US$3,386,439
2024-11-21 2024-11-21 PrS Proposed sale

Executive Chairman

24,246
139.66
US$3,386,311
24,246 139.66 US$3,386,311
2024-09-12 2024-09-10 S Sale Non-Executive Director
604 -0.4%
146.67
US$88,589
604 -0.4% 146.67 US$88,589
2024-09-12 2024-09-10 S Sale Non-Executive Director
10,723 -7.1%
145.95
US$1,565,022
10,723 -7.1% 145.95 US$1,565,022
2024-09-12 2024-09-10 S Sale Non-Executive Director
9,369 -5.8%
144.88
US$1,357,381
9,369 -5.8% 144.88 US$1,357,381
2024-09-12 2024-09-10 S Sale Non-Executive Director
1,495 -0.9%
143.77
US$214,936
1,495 -0.9% 143.77 US$214,936
2024-09-10 2024-09-10 PrS Proposed sale

Officer

Officer
22,191
144.72
US$3,211,481
22,191 144.72 US$3,211,481
2024-08-05 2024-08-02 S Sale

Senior VP, R&D

Officer
175 -1.4%
158.85
US$27,799
175 -1.4% 158.85 US$27,799
2024-08-05 2024-08-02 S Sale

Senior VP, R&D

Officer
6,973 -36.2%
159.36
US$1,111,217
6,973 -36.2% 159.36 US$1,111,217
2024-08-02 2024-08-02 PrS Proposed sale

Senior Vice President

7,148
159.35
US$1,139,040
7,148 159.35 US$1,139,040
2024-08-01 2024-08-01 PrS Proposed sale

Senior Vice President

2,160
167.00
US$360,720
2,160 167.00 US$360,720
2024-08-01 2024-08-01 PrS Proposed sale

Senior Vice President

4,465
165.67
US$739,705
4,465 165.67 US$739,705
2024-08-01 2024-08-01 S Sale

Senior VP, R&D

Officer
4,465 -18.8%
165.67
US$739,717
4,465 -18.8% 165.67 US$739,717
2024-06-14 2024-06-14 B Purchase Non-Executive Director
700 +17.9%
125.46
US$87,822
700 +17.9% 125.46 US$87,822