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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

54
Insider
Date
Role
Action
Shares
Price
Amount
Guarini Kathryn
2 Sep 2026
Director
Sold after exercise
400
$850.00
$340.00K
Zoghbi Huda Y
10 Aug 2026
Director
Sold after exercise
800
$800.00
$640.00K
Guarini Kathryn
10 Aug 2026
Director
Sold after exercise
400
$800.00
$320.00K
Zoghbi Huda Y
19 Feb 2026
Director
Sold after exercise
4
$790.00
$3.16K
Zoghbi Huda Y
19 Feb 2026
Director
Sold after exercise
56
$785.61
$43.99K
Zoghbi Huda Y
19 Feb 2026
Director
Sold after exercise
160
$784.45
$125.51K
Zoghbi Huda Y
19 Feb 2026
Director
Sold after exercise
220
$783.29
$172.32K
Zoghbi Huda Y
19 Feb 2026
Director
Sold after exercise
298
$782.10
$233.07K
Zoghbi Huda Y
19 Feb 2026
Director
Sold after exercise
209
$781.28
$163.29K
Zoghbi Huda Y
19 Feb 2026
Director
Sold after exercise
331
$780.45
$258.33K
Zoghbi Huda Y
19 Feb 2026
Director
Sold after exercise
208
$779.55
$162.15K
Zoghbi Huda Y
19 Feb 2026
Director
Sold after exercise
53
$778.47
$41.26K
Zoghbi Huda Y
19 Feb 2026
Director
Sold after exercise
50
$775.50
$38.78K
Zoghbi Huda Y
19 Feb 2026
Director
Sold after exercise
49
$774.68
$37.96K
Pitofsky Jason
9 Feb 2026
SVP Controller
Sold after exercise
53
$785.72
$41.64K
Pitofsky Jason
9 Feb 2026
SVP Controller
Sold after exercise
1
$784.66
$784.66
Pitofsky Jason
9 Feb 2026
SVP Controller
Sold after exercise
144
$783.23
$112.79K
Pitofsky Jason
9 Feb 2026
SVP Controller
Sold after exercise
37
$782.67
$28.96K
Pitofsky Jason
9 Feb 2026
SVP Controller
Sold after exercise
26
$781.37
$20.32K
Pitofsky Jason
9 Feb 2026
SVP Controller
Sold after exercise
75
$780.06
$58.50K
Pitofsky Jason
9 Feb 2026
SVP Controller
Sold after exercise
205
$779.56
$159.81K
Pitofsky Jason
9 Feb 2026
SVP Controller
Sold after exercise
563
$778.35
$438.21K
Pitofsky Jason
9 Feb 2026
SVP Controller
Sold after exercise
391
$777.51
$304.01K
Pitofsky Jason
9 Feb 2026
SVP Controller
Sold after exercise
521
$776.43
$404.52K
Pitofsky Jason
9 Feb 2026
SVP Controller
Sold after exercise
20
$775.95
$15.52K
Bassler Bonnie L
7 Jan 2026
Director
Sold after exercise
1,500
$800.00
$1.20M
Bassler Bonnie L
20 Nov 2025
Director
Sold after exercise
760
$750.00
$570.00K
POON CHRISTINE A
29 Oct 2025
Director
Sold after exercise
388
$657.29
$255.03K
POON CHRISTINE A
29 Oct 2025
Director
Sold after exercise
712
$656.50
$467.43K
POON CHRISTINE A
29 Oct 2025
Director
Sold after exercise
100
$655.10
$65.51K
POON CHRISTINE A
29 Oct 2025
Director
Sold after exercise
1,915
$654.42
$1.25M
POON CHRISTINE A
29 Oct 2025
Director
Sold after exercise
2,735
$653.50
$1.79M
POON CHRISTINE A
29 Oct 2025
Director
Sold after exercise
650
$652.68
$424.24K
McCourt Marion
1 Nov 2024
EVP Commercial
Sold after exercise
1,000
$844.61
$844.61K
McCourt Marion
1 Oct 2024
EVP Commercial
Sold after exercise
1,000
$1,054.06
$1.05M
McCourt Marion
3 Sep 2024
EVP Commercial
Sold after exercise
1,000
$1,178.73
$1.18M
POON CHRISTINE A
15 Aug 2024
Director
Sold after exercise
100
$1,161.32
$116.13K
POON CHRISTINE A
15 Aug 2024
Director
Sold after exercise
234
$1,160.45
$271.55K
POON CHRISTINE A
15 Aug 2024
Director
Sold after exercise
5,352
$1,159.56
$6.21M
POON CHRISTINE A
15 Aug 2024
Director
Sold after exercise
212
$1,158.02
$245.50K
POON CHRISTINE A
15 Aug 2024
Director
Sold after exercise
1,560
$1,157.33
$1.81M
POON CHRISTINE A
15 Aug 2024
Director
Sold after exercise
2,368
$1,156.30
$2.74M
POON CHRISTINE A
15 Aug 2024
Director
Sold after exercise
1,012
$1,155.72
$1.17M
Bassler Bonnie L
15 Aug 2024
Director
Sold after exercise
756
$1,170.00
$884.52K
Pitofsky Jason
7 Aug 2024
VP Controller
Sold after exercise
487
$1,070.00
$521.09K
Bassler Bonnie L
2 Aug 2024
Director
Sold after exercise
756
$1,115.00
$842.94K
McCourt Marion
1 Aug 2024
EVP Commercial
Sold after exercise
1,137
$1,060.86
$1.21M
McCourt Marion
1 Jul 2024
EVP Commercial
Sold after exercise
1,137
$1,047.11
$1.19M
Bassler Bonnie L
24 Jun 2024
Director
Sold after exercise
756
$1,062.00
$802.87K
BROWN MICHAEL S
14 Jun 2024
Director
Sold after exercise
1,535
$1,040.00
$1.60M
SCHLEIFER LEONARD S
12 Jun 2024
Bd. Co-Chair, President & CEO
Sold after exercise indirect
1,000
$1,025.27
$1.03M
SCHLEIFER LEONARD S
12 Jun 2024
Bd. Co-Chair, President & CEO
Sold after exercise indirect
270
$1,016.62
$274.49K
SCHLEIFER LEONARD S
12 Jun 2024
Bd. Co-Chair, President & CEO
Sold after exercise indirect
14,879
$1,015.30
$15.11M
Bassler Bonnie L
5 Jun 2024
Director
Sold after exercise
827
$1,011.00
$836.10K
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