United States Biotechnology & Medical Research

Regeneron Pharmaceuticals Inc (REGN)

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Over the past 90 days, Regeneron Pharmaceuticals Inc. has seen exclusively selling activity from insider Arthur F. Ryan. Total sales amounted to approximately $379,918, consisting of planned and proposed transactions. These sales occurred against a backdrop of a 7.7% stock price increase and a recent earnings report that exceeded expectations by 34%.
Ticker: REGN 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 Regeneron Pharmaceuticals Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Planned sale 2 Jul 2026
Value US$4,371,410.11 | Price 158.25 | Shares 15,249 (+18.4%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-07 2026-07-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
15,249 +18.4%
158.25
US$4,371,410 		15,249 +18.4% 158.25 US$4,371,410
2026-07-02 2026-07-02 PrS Proposed sale
1.7
Arthur F. Ryan

Director

Non-Executive Director
18,874
317.35
US$523,957 		18,874 317.35 US$523,957
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
21,317 +1.3%
240.05
US$2,414,718 		21,317 +1.3% 240.05 US$2,414,718
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
1 -0.0%
712.09
US$712 		1 -0.0% 712.09 US$712
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
5 -0.0%
711.49
US$3,557 		5 -0.0% 711.49 US$3,557
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
2 -0.0%
710.87
US$1,422 		2 -0.0% 710.87 US$1,422
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
6 -0.0%
709.45
US$4,257 		6 -0.0% 709.45 US$4,257
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
4 -0.0%
707.40
US$2,830 		4 -0.0% 707.40 US$2,830
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
7 -0.0%
706.74
US$4,947 		7 -0.0% 706.74 US$4,947
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
14 -0.1%
705.56
US$9,878 		14 -0.1% 705.56 US$9,878
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
15 -0.1%
704.28
US$10,564 		15 -0.1% 704.28 US$10,564
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
24 -0.1%
703.46
US$16,883 		24 -0.1% 703.46 US$16,883
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
15 -0.1%
702.46
US$10,537 		15 -0.1% 702.46 US$10,537
2026-05-04 2026-05-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
5 -0.0%
701.76
US$3,509 		5 -0.0% 701.76 US$3,509
2026-04-03 2026-04-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
40 -0.2%
779.71
US$31,188 		40 -0.2% 779.71 US$31,188
2026-04-03 2026-04-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
4 -0.0%
778.24
US$3,113 		4 -0.0% 778.24 US$3,113
2026-04-03 2026-04-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
9 -0.1%
777.42
US$6,997 		9 -0.1% 777.42 US$6,997
2026-04-03 2026-04-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
13 -0.1%
776.62
US$10,096 		13 -0.1% 776.62 US$10,096
2026-04-03 2026-04-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
14 -0.1%
775.58
US$10,858 		14 -0.1% 775.58 US$10,858
2026-04-03 2026-04-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
8 -0.0%
774.58
US$6,197 		8 -0.0% 774.58 US$6,197
2026-04-03 2026-04-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
8 -0.0%
773.59
US$6,189 		8 -0.0% 773.59 US$6,189
2026-04-03 2026-04-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
3 -0.0%
772.76
US$2,318 		3 -0.0% 772.76 US$2,318
2026-04-03 2026-04-01 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
1 -0.0%
771.32
US$771 		1 -0.0% 771.32 US$771
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
20 -0.1%
789.28
US$15,786 		20 -0.1% 789.28 US$15,786
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
20 -0.1%
788.96
US$15,779 		20 -0.1% 788.96 US$15,779
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
2 -0.0%
787.34
US$1,575 		2 -0.0% 787.34 US$1,575
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
7 -0.0%
786.61
US$5,506 		7 -0.0% 786.61 US$5,506
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
11 -0.1%
785.48
US$8,640 		11 -0.1% 785.48 US$8,640
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
9 -0.1%
784.48
US$7,060 		9 -0.1% 784.48 US$7,060
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
10 -0.1%
783.62
US$7,836 		10 -0.1% 783.62 US$7,836
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
2 -0.0%
782.62
US$1,565 		2 -0.0% 782.62 US$1,565
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
2 -0.0%
781.21
US$1,562 		2 -0.0% 781.21 US$1,562
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
3 -0.0%
780.69
US$2,342 		3 -0.0% 780.69 US$2,342
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
5 -0.0%
779.69
US$3,898 		5 -0.0% 779.69 US$3,898
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
2 -0.0%
778.30
US$1,557 		2 -0.0% 778.30 US$1,557
2026-03-03 2026-03-02 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
7 -0.0%
777.46
US$5,442 		7 -0.0% 777.46 US$5,442
2026-02-23 2026-02-19 PlS Planned sale
0.9
Zoghbi Huda Y
Non-Executive Director
4 -0.2%
790.00
US$3,160 		4 -0.2% 790.00 US$3,160
2026-02-23 2026-02-19 PlS Planned sale
0.9
Zoghbi Huda Y
Non-Executive Director
56 -3.2%
785.61
US$43,994 		56 -3.2% 785.61 US$43,994
2026-02-23 2026-02-19 PlS Planned sale
0.9
Zoghbi Huda Y
Non-Executive Director
160 -8.3%
784.45
US$125,512 		160 -8.3% 784.45 US$125,512
2026-02-23 2026-02-19 PlS Planned sale
0.9
Zoghbi Huda Y
Non-Executive Director
220 -10.3%
783.29
US$172,324 		220 -10.3% 783.29 US$172,324
2026-02-23 2026-02-19 PlS Planned sale
0.9
Zoghbi Huda Y
Non-Executive Director
298 -12.2%
782.10
US$233,066 		298 -12.2% 782.10 US$233,066
2026-02-23 2026-02-19 PlS Planned sale
0.9
Zoghbi Huda Y
Non-Executive Director
209 -7.9%
781.28
US$163,288 		209 -7.9% 781.28 US$163,288
2026-02-23 2026-02-19 PlS Planned sale
0.9
Zoghbi Huda Y
Non-Executive Director
331 -11.1%
780.45
US$258,329 		331 -11.1% 780.45 US$258,329
2026-02-23 2026-02-19 PlS Planned sale
0.9
Zoghbi Huda Y
Non-Executive Director
208 -6.5%
779.55
US$162,146 		208 -6.5% 779.55 US$162,146
2026-02-23 2026-02-19 PlS Planned sale
0.9
Zoghbi Huda Y
Non-Executive Director
53 -1.6%
778.47
US$41,259 		53 -1.6% 778.47 US$41,259
2026-02-23 2026-02-19 PlS Planned sale
0.9
Zoghbi Huda Y
Non-Executive Director
50 -1.5%
775.50
US$38,775 		50 -1.5% 775.50 US$38,775
2026-02-23 2026-02-19 PlS Planned sale
0.9
Zoghbi Huda Y
Non-Executive Director
49 -1.5%
774.68
US$37,959 		49 -1.5% 774.68 US$37,959
2026-02-19 2026-02-19 PrS Proposed sale
0.9
Zoghbi Huda Y

Director

Non-Executive Director
1,638
790.00
US$1,294,020 		1,638 790.00 US$1,294,020
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
1 -0.0%
787.82
US$788 		1 -0.0% 787.82 US$788
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
2 -0.0%
786.29
US$1,573 		2 -0.0% 786.29 US$1,573
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
1 -0.0%
785.71
US$786 		1 -0.0% 785.71 US$786
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
1 -0.0%
784.59
US$785 		1 -0.0% 784.59 US$785
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
3 -0.0%
783.34
US$2,350 		3 -0.0% 783.34 US$2,350
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
1 -0.0%
782.53
US$783 		1 -0.0% 782.53 US$783
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
5 -0.0%
781.48
US$3,907 		5 -0.0% 781.48 US$3,907
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
1 -0.0%
780.09
US$780 		1 -0.0% 780.09 US$780
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
5 -0.0%
779.41
US$3,897 		5 -0.0% 779.41 US$3,897
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
12 -0.1%
778.53
US$9,342 		12 -0.1% 778.53 US$9,342
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
57 -0.3%
777.56
US$44,321 		57 -0.3% 777.56 US$44,321
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
10 -0.1%
776.59
US$7,766 		10 -0.1% 776.59 US$7,766
2026-02-11 2026-02-09 PlS Planned sale
1.7
RYAN ARTHUR F
Non-Executive Director
1 -0.0%
775.63
US$776 		1 -0.0% 775.63 US$776
2026-02-11 2026-02-09 PlS Planned sale
2.4
Pitofsky Jason

SVP Controller

Officer
53 -1.2%
785.72
US$41,643 		53 -1.2% 785.72 US$41,643
2026-02-11 2026-02-09 PlS Planned sale
2.4
Pitofsky Jason

SVP Controller

Officer
1 -0.0%
784.66
US$785 		1 -0.0% 784.66 US$785
2026-02-11 2026-02-09 PlS Planned sale
2.4
Pitofsky Jason

SVP Controller

Officer
144 -3.2%
783.23
US$112,785 		144 -3.2% 783.23 US$112,785
2026-02-11 2026-02-09 PlS Planned sale
2.4
Pitofsky Jason

SVP Controller

Officer
37 -0.8%
782.67
US$28,959 		37 -0.8% 782.67 US$28,959
2026-02-11 2026-02-09 PlS Planned sale
2.4
Pitofsky Jason

SVP Controller

Officer
26 -0.6%
781.37
US$20,316 		26 -0.6% 781.37 US$20,316
2026-02-11 2026-02-09 PlS Planned sale
2.4
Pitofsky Jason

SVP Controller

Officer
75 -1.6%
780.06
US$58,504 		75 -1.6% 780.06 US$58,504
2026-02-11 2026-02-09 PlS Planned sale
2.4
Pitofsky Jason

SVP Controller

Officer
205 -4.3%
779.56
US$159,810 		205 -4.3% 779.56 US$159,810
2026-02-11 2026-02-09 PlS Planned sale
2.4
Pitofsky Jason

SVP Controller

Officer
563 -10.5%
778.35
US$438,211 		563 -10.5% 778.35 US$438,211
2026-02-11 2026-02-09 PlS Planned sale
2.4
Pitofsky Jason

SVP Controller

Officer
391 -6.8%
777.51
US$304,006 		391 -6.8% 777.51 US$304,006
2026-02-11 2026-02-09 PlS Planned sale
2.4
Pitofsky Jason

SVP Controller

Officer
521 -8.3%
776.43
US$404,520 		521 -8.3% 776.43 US$404,520
2026-02-11 2026-02-09 PlS Planned sale
2.4
Pitofsky Jason

SVP Controller

Officer
20 -0.3%
775.95
US$15,519 		20 -0.3% 775.95 US$15,519
2026-02-09 2026-02-09 PrS Proposed sale
1.7
Arthur F. Ryan

Director

Non-Executive Director
400
785.51
US$314,204 		400 785.51 US$314,204
2026-02-09 2026-02-09 PrS Proposed sale
2.4
Pitofsky Jason

Officer

Officer
2,036
783.17
US$1,594,534 		2,036 783.17 US$1,594,534
2026-01-08 2026-01-07 PlS Planned sale
2.5
Bassler Bonnie L
Non-Executive Director
1,500 -46.8%
800.00
US$1,200,000 		1,500 -46.8% 800.00 US$1,200,000
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