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Regeneron Pharmaceuticals

REGN Net selling
CIK 0000872589 #390 in the set updated 17 Sep 2026
Bought (120 mo)
$212.20M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$13.65B
$243.79M on a plan · $433.34M straight out of an exercise
Sold at will
$12.98B
1347 of 2403 sales
Net
−$13.44B
−$12.76B against sales at will

By person

27 insiders · 2,660 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Sanofi
10% owner
$212.20M (61)
$11.95B (8)
−$11.74B
279,766
0.272%
$239.87M
−98.8%
YANCOPOULOS GEORGE
Bd. Co-Chair, President & CSO
—
$350.69M (90)
−$350.69M
366,508
0.357%
$314.24M
+11.0%
SCHLEIFER LEONARD S
Bd. Co-Chair, President & CEO
—
$319.83M (61)
−$319.83M
214,523
0.209%
$183.93M
—
VAGELOS P ROY
Director
—
$248.68M (100)
−$248.68M
438,071
0.426%
$375.60M
−33.5%
SING GEORGE L
Director
—
$115.92M (116) scheduled
−$115.92M
32,007
0.031%
$27.44M
−75.2%
Van Plew Daniel P
EVP & General Mgr, Industrial
—
$91.86M (117)
−$91.86M
21,673
0.021%
$18.58M
—
STAHL NEIL
EVP Research and Development
—
$81.55M (138)
−$81.55M
53,434
0.052%
$45.81M
+14.1%
POON CHRISTINE A
Director
—
$70.50M (37) scheduled
−$70.50M
5,219
0.005%
$4.47M
+560.6%
MURPHY ANDREW J
EVP Research
—
$57.65M (209)
−$57.65M
47,833
0.047%
$41.01M
+5.5%
Tessier-Lavigne Marc
Director
—
$45.88M (44) scheduled
−$45.88M
2,434
0.002%
$2.09M
+138.2%
BROWN MICHAEL S
Director
—
$44.70M (84) scheduled
−$44.70M
7,865
0.008%
$6.74M
−36.3%
GOLDSTEIN JOSEPH L
Director
—
$44.70M (69) scheduled
−$44.70M
6,703
0.007%
$5.75M
−48.4%
RYAN ARTHUR F
Director
—
$38.85M (698) scheduled
−$38.85M
17,303
0.017%
$14.84M
−50.6%
LAROSA JOSEPH J
EVP General Counsel and Secret
—
$34.69M (81)
−$34.69M
36,373
0.035%
$31.19M
+1,111%
McCourt Marion
EVP Commercial
—
$32.98M (52) scheduled
−$32.98M
12,222
0.012%
$10.48M
+5,481%
Fenimore Christopher R.
EVP Finance CFO
—
$30.33M (84)
−$30.33M
20,009
0.019%
$17.16M
—
Bassler Bonnie L
Director
—
$22.33M (26) scheduled
−$22.33M
1,703
0.002%
$1.46M
—
Landry Robert E
EVP Finance CFO
—
$20.88M (288)
−$20.88M
23,693
0.023%
$20.31M
+233.8%
COLES N ANTHONY
Director
—
$20.62M (33) scheduled
−$20.62M
1,714
0.002%
$1.47M
—
Zoghbi Huda Y
Director
—
$11.89M (34) scheduled
−$11.89M
1,703
0.002%
$1.46M
—
Terifay Robert J
EVP Commercial
—
$9.90M (1)
−$9.90M
25,214
0.025%
$21.62M
+8.2%
Pitofsky Jason
SVP Controller
—
$2.39M (13) scheduled
−$2.39M
4,451
0.004%
$3.82M
+5.9%
BAKER CHARLES A
Director
—
$2.08M (6) scheduled
−$2.08M
9,000
0.009%
$7.72M
0.0%
Aberman Michael S
SVP Strategy Investor Relation
—
$1.21M (12)
−$1.21M
4,693
0.005%
$4.02M
0.0%
Guarini Kathryn
Director
—
$660.00K (2) scheduled
−$660.00K
603
<0.001%
$517.01K
—
Thompson Craig B.
Director
—
—
—
775
<0.001%
$664.48K
—
Schenkein David P
Director
—
—
—
603
<0.001%
$517.01K
—

Individual transactions

173
Insider
Date
Role
Action
Shares
Price
Amount
McCourt Marion
3 Sep 2026
EVP Commercial
Sold on a plan
1,131
$857.39
$969.71K
McCourt Marion
2 Sep 2026
EVP Commercial
Sold on a plan
1,215
$850.00
$1.03M
RYAN ARTHUR F
2 Jul 2026
Director
Sold on a plan
200
$650.15
$130.03K
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
2
$714.13
$1.43K
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
1
$712.09
$712.09
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
5
$711.49
$3.56K
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
2
$710.87
$1.42K
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
6
$709.45
$4.26K
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
4
$707.40
$2.83K
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
7
$706.74
$4.95K
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
14
$705.56
$9.88K
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
15
$704.28
$10.56K
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
24
$703.46
$16.88K
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
15
$702.46
$10.54K
RYAN ARTHUR F
1 May 2026
Director
Sold on a plan
5
$701.76
$3.51K
RYAN ARTHUR F
1 Apr 2026
Director
Sold on a plan
40
$779.71
$31.19K
RYAN ARTHUR F
1 Apr 2026
Director
Sold on a plan
4
$778.24
$3.11K
RYAN ARTHUR F
1 Apr 2026
Director
Sold on a plan
9
$777.42
$7.00K
RYAN ARTHUR F
1 Apr 2026
Director
Sold on a plan
13
$776.62
$10.10K
RYAN ARTHUR F
1 Apr 2026
Director
Sold on a plan
14
$775.58
$10.86K
RYAN ARTHUR F
1 Apr 2026
Director
Sold on a plan
8
$774.58
$6.20K
RYAN ARTHUR F
1 Apr 2026
Director
Sold on a plan
8
$773.59
$6.19K
RYAN ARTHUR F
1 Apr 2026
Director
Sold on a plan
3
$772.76
$2.32K
RYAN ARTHUR F
1 Apr 2026
Director
Sold on a plan
1
$771.32
$771.32
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
20
$789.28
$15.79K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
20
$788.96
$15.78K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
2
$787.34
$1.57K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
7
$786.61
$5.51K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
11
$785.48
$8.64K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
9
$784.48
$7.06K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
10
$783.62
$7.84K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
2
$782.62
$1.57K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
2
$781.21
$1.56K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
3
$780.69
$2.34K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
5
$779.69
$3.90K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
2
$778.30
$1.56K
RYAN ARTHUR F
2 Mar 2026
Director
Sold on a plan
7
$777.46
$5.44K
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
1
$787.82
$787.82
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
2
$786.29
$1.57K
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
1
$785.71
$785.71
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
1
$784.59
$784.59
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
3
$783.34
$2.35K
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
1
$782.53
$782.53
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
5
$781.48
$3.91K
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
1
$780.09
$780.09
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
5
$779.41
$3.90K
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
12
$778.53
$9.34K
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
57
$777.56
$44.32K
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
10
$776.59
$7.77K
RYAN ARTHUR F
9 Feb 2026
Director
Sold on a plan
1
$775.63
$775.63
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
2
$1,059.28
$2.12K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
2
$1,057.38
$2.11K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
3
$1,056.68
$3.17K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
3
$1,054.90
$3.16K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
4
$1,053.45
$4.21K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
4
$1,052.44
$4.21K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
9
$1,051.51
$9.46K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
6
$1,050.60
$6.30K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
9
$1,049.68
$9.45K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
12
$1,048.54
$12.58K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
12
$1,047.44
$12.57K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
9
$1,046.53
$9.42K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
7
$1,045.27
$7.32K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
9
$1,044.62
$9.40K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
5
$1,043.39
$5.22K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
1
$1,042.31
$1.04K
RYAN ARTHUR F
1 Oct 2024
Director
Sold on a plan
3
$1,041.35
$3.12K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
4
$1,191.02
$4.76K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
1
$1,190.00
$1.19K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
5
$1,189.13
$5.95K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
4
$1,188.55
$4.75K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
3
$1,187.95
$3.56K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
5
$1,186.19
$5.93K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
4
$1,185.77
$4.74K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
1
$1,184.26
$1.18K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
8
$1,183.47
$9.47K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
8
$1,179.62
$9.44K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
4
$1,178.69
$4.71K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
4
$1,177.73
$4.71K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
4
$1,176.82
$4.71K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
8
$1,175.66
$9.41K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
8
$1,174.32
$9.39K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
16
$1,172.75
$18.76K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
4
$1,170.40
$4.68K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
4
$1,168.99
$4.68K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
1
$1,167.27
$1.17K
RYAN ARTHUR F
3 Sep 2024
Director
Sold on a plan
4
$1,166.52
$4.67K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
331
$1,159.69
$383.86K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
189
$1,158.78
$219.01K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
178
$1,157.41
$206.02K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
1,016
$1,156.43
$1.17M
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
402
$1,155.76
$464.62K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
777
$1,154.66
$897.17K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
987
$1,153.74
$1.14M
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
197
$1,152.36
$227.01K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
185
$1,151.46
$213.02K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
844
$1,150.41
$970.95K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
294
$1,149.60
$337.98K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
537
$1,148.52
$616.76K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
51
$1,146.60
$58.48K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
148
$1,145.58
$169.55K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
45
$1,144.89
$51.52K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
79
$1,143.28
$90.32K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
48
$1,142.94
$54.86K
MURPHY ANDREW J
14 Aug 2024
EVP Research
Sold on a plan
55
$1,140.31
$62.72K
STAHL NEIL
8 Aug 2024
EVP Research and Development
Sold on a plan
300
$1,086.15
$325.85K
STAHL NEIL
8 Aug 2024
EVP Research and Development
Sold on a plan
1,708
$1,085.01
$1.85M
STAHL NEIL
8 Aug 2024
EVP Research and Development
Sold on a plan
1,883
$1,084.61
$2.04M
STAHL NEIL
8 Aug 2024
EVP Research and Development
Sold on a plan
1,006
$1,083.76
$1.09M
STAHL NEIL
8 Aug 2024
EVP Research and Development
Sold on a plan
200
$1,082.69
$216.54K
STAHL NEIL
8 Aug 2024
EVP Research and Development
Sold on a plan
100
$1,081.83
$108.18K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
3
$1,099.65
$3.30K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,098.00
$1.10K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
3
$1,097.69
$3.29K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
3
$1,096.19
$3.29K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
3
$1,095.35
$3.29K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,094.02
$1.09K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
7
$1,093.39
$7.65K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
7
$1,092.61
$7.65K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
13
$1,091.47
$14.19K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
11
$1,090.30
$11.99K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
7
$1,089.64
$7.63K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
3
$1,088.70
$3.27K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
2
$1,087.54
$2.18K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
2
$1,086.38
$2.17K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
3
$1,085.71
$3.26K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
3
$1,084.71
$3.25K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,083.57
$1.08K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,082.17
$1.08K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,080.06
$1.08K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
3
$1,076.07
$3.23K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,074.34
$1.07K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,073.03
$1.07K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
4
$1,070.46
$4.28K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,068.08
$1.07K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,067.53
$1.07K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
4
$1,066.33
$4.27K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
6
$1,065.39
$6.39K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,062.71
$1.06K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,058.90
$1.06K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,053.22
$1.05K
RYAN ARTHUR F
1 Aug 2024
Director
Sold on a plan
1
$1,100.03
$1.10K
LAROSA JOSEPH J
11 Jul 2024
EVP General Counsel and Secret
Sold on a plan
1,866
$1,088.95
$2.03M
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
2
$1,068.09
$2.14K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
3
$1,067.51
$3.20K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
4
$1,066.59
$4.27K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
3
$1,065.52
$3.20K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
7
$1,064.55
$7.45K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
5
$1,063.87
$5.32K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
19
$1,062.31
$20.18K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
3
$1,061.73
$3.19K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
3
$1,060.14
$3.18K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
3
$1,059.36
$3.18K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
17
$1,058.49
$17.99K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
2
$1,057.64
$2.12K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
2
$1,056.81
$2.11K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
1
$1,054.25
$1.05K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
8
$1,053.60
$8.43K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
6
$1,052.19
$6.31K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
7
$1,051.58
$7.36K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
2
$1,050.87
$2.10K
RYAN ARTHUR F
1 Jul 2024
Director
Sold on a plan
3
$1,047.11
$3.14K
SCHLEIFER LEONARD S
11 Jun 2024
Bd. Co-Chair, President & CEO
Sold on a plan indirect
1,743
$1,016.04
$1.77M
SCHLEIFER LEONARD S
11 Jun 2024
Bd. Co-Chair, President & CEO
Sold on a plan indirect
7,321
$1,015.28
$7.43M
SCHLEIFER LEONARD S
6 Jun 2024
Bd. Co-Chair, President & CEO
Sold on a plan indirect
787
$1,015.02
$798.82K
RYAN ARTHUR F
3 Jun 2024
Director
Sold on a plan
5
$1,000.04
$5.00K
RYAN ARTHUR F
3 Jun 2024
Director
Sold on a plan
7
$999.43
$7.00K
RYAN ARTHUR F
3 Jun 2024
Director
Sold on a plan
14
$998.44
$13.98K
RYAN ARTHUR F
3 Jun 2024
Director
Sold on a plan
15
$997.76
$14.97K
RYAN ARTHUR F
3 Jun 2024
Director
Sold on a plan
12
$996.83
$11.96K
RYAN ARTHUR F
3 Jun 2024
Director
Sold on a plan
6
$995.76
$5.97K
RYAN ARTHUR F
3 Jun 2024
Director
Sold on a plan
5
$994.25
$4.97K
RYAN ARTHUR F
3 Jun 2024
Director
Sold on a plan
12
$993.20
$11.92K
Showing 250 of 2,660 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 671
Amendments (4/A) skipped 1
Filings about a different issuer 1
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 462
Sales straight out of an exercise 594
Sales at will 1,347
Transactions with no price 0
Shares from compensation/vesting 22,075,148
Sales filed before the plan box existed 1,292
History held since 2 Sep 2016