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Regeneron Pharmaceuticals

REGN Mostly scheduled
CIK 0000872589 #390 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$12.91M
$2.44M on a plan · $10.19M straight out of an exercise
Sold at will
$280.77K
1 of 84 sales
Net
−$12.91M
−$280.77K against sales at will

By person

20 insiders · 92 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
POON CHRISTINE A
Director
—
$4.25M (6) scheduled
−$4.25M
5,219
0.005%
$4.47M
+140.3%
McCourt Marion
EVP Commercial
—
$2.00M (2) scheduled
−$2.00M
12,222
0.012%
$10.48M
−7.1%
Zoghbi Huda Y
Director
—
$1.92M (12) scheduled
−$1.92M
1,703
0.002%
$1.46M
+23.2%
Pitofsky Jason
SVP Controller
—
$1.87M (12) scheduled
−$1.87M
4,272
0.004%
$3.66M
+1.6%
Bassler Bonnie L
Director
—
$1.77M (2) scheduled
−$1.77M
1,703
0.002%
$1.46M
+23.2%
Guarini Kathryn
Director
—
$660.00K (2) scheduled
−$660.00K
603
<0.001%
$517.01K
+113.8%
RYAN ARTHUR F
Director
—
$434.68K (48) scheduled
−$434.68K
17,303
0.017%
$14.84M
−2.1%
YANCOPOULOS GEORGE
Bd. Co-Chair, President & CSO
—
—
—
310,460
0.302%
$266.19M
+5.1%
SCHLEIFER LEONARD S
Bd. Co-Chair, President & CEO
—
—
—
214,523
0.209%
$183.93M
+8.9%
STAHL NEIL
EVP Research and Development
—
—
—
48,829
0.047%
$41.87M
−1.6%
MURPHY ANDREW J
EVP Research
—
—
—
47,833
0.047%
$41.01M
−1.0%
LAROSA JOSEPH J
EVP General Counsel and Secret
—
—
—
36,373
0.035%
$31.19M
+24.9%
SING GEORGE L
Director
—
—
—
31,007
0.030%
$26.59M
+18.0%
Van Plew Daniel P
EVP & General Mgr, Industrial
—
—
—
21,673
0.021%
$18.58M
+6.4%
Fenimore Christopher R.
EVP Finance CFO
—
—
—
19,984
0.019%
$17.13M
+30.6%
GOLDSTEIN JOSEPH L
Director
—
—
—
6,703
0.007%
$5.75M
+5.0%
COLES N ANTHONY
Director
—
—
—
1,714
0.002%
$1.47M
+23.0%
BROWN MICHAEL S
Director
—
—
—
1,703
0.002%
$1.46M
+23.2%
Thompson Craig B.
Director
—
—
—
775
<0.001%
$664.48K
+70.7%
Schenkein David P
Director
—
—
—
603
<0.001%
$517.01K
+113.8%

Individual transactions

92
Insider
Date
Role
Action
Shares
Price
Amount
McCourt Marion
3 Sep 2026
EVP Commercial
Sold on a plan
1,131
$857.39
$969.71K
Guarini Kathryn
2 Sep 2026
Director
Sold after exercise
400
$850.00
$340.00K
McCourt Marion
2 Sep 2026
EVP Commercial
Sold on a plan
1,215
$850.00
$1.03M
LAROSA JOSEPH J
19 Aug 2026
EVP General Counsel and Secret
Exercised, kept
12,282
$381.92
$4.69M
Fenimore Christopher R.
18 Aug 2026
EVP Finance CFO
Exercised, kept
6,283
$381.92
$2.40M
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
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
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
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
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
SING GEORGE L
30 Dec 2025
Director
Exercised, kept
9,212
$520.01
$4.79M
SCHLEIFER LEONARD S
9 Dec 2025
Bd. Co-Chair, President & CEO
Exercised, kept
172,723
$555.67
$95.98M
YANCOPOULOS GEORGE
9 Dec 2025
Bd. Co-Chair, President & CSO
Exercised, kept
146,815
$555.67
$81.58M
Bassler Bonnie L
20 Nov 2025
Director
Sold after exercise
760
$750.00
$570.00K
LAROSA JOSEPH J
20 Nov 2025
EVP General Counsel and Secret
Exercised, kept
14,450
$555.67
$8.03M
Pitofsky Jason
7 Nov 2025
VP Controller
Sell
431
$651.43
$280.77K
POON CHRISTINE A
30 Oct 2025
Director
Exercised, kept
2,712
$520.01
$1.41M
MURPHY ANDREW J
29 Oct 2025
EVP Research
Exercised, kept
35,000
$555.67
$19.45M
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

What was left out

Form 4 filings counted 44
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 50
Sales straight out of an exercise 33
Sales at will 1
Transactions with no price 0
Shares from compensation/vesting 915,592
History held since 2 Sep 2016