REGN
insider transactionsREGENERON PHARMACEUTICALS, INC. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 365d
-4.1K
0 buy · 4.1K sell
Net value · 365d
-$3.2M
$0 in · $3.2M out
Sentiment · 365d
Net selling
0% buying · 100% selling
Open-market trades · 365d
69
0 buy · 4.1K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Sell·S
Director · 10b5-1
$1.4K
2 sh · $714.13
Own -0%
-
Sell·S
Director · 10b5-1
$712
1 sh · $712.09
Own -0%
-
Sell·S
Director · 10b5-1
$3.6K
5 sh · $711.49
Own -0%
-
Sell·S
Director · 10b5-1
$1.4K
2 sh · $710.87
Own -0%
-
Sell·S
Director · 10b5-1
$4.3K
6 sh · $709.45
Own -0%
-
Sell·S
Director · 10b5-1
$2.8K
4 sh · $707.40
Own -0%
-
Sell·S
Director · 10b5-1
$4.9K
7 sh · $706.74
Own -0%
-
Sell·S
Director · 10b5-1
$9.9K
14 sh · $705.56
Own -0%
-
Sell·S
Director · 10b5-1
$10.6K
15 sh · $704.28
Own -0%
-
Sell·S
Director · 10b5-1
$16.9K
24 sh · $703.46
Own -0%
-
Sell·S
Director · 10b5-1
$10.5K
15 sh · $702.46
Own -0%
-
Sell·S
Director · 10b5-1
$3.5K
5 sh · $701.76
Own -0%
-
Sell·S
Director · 10b5-1
$31.2K
40 sh · $779.71
Own -0%
-
Sell·S
Director · 10b5-1
$3.1K
4 sh · $778.24
Own -0%
-
Sell·S
Director · 10b5-1
$7.0K
9 sh · $777.42
Own -0%
-
Sell·S
Director · 10b5-1
$10.1K
13 sh · $776.62
Own -0%
-
Sell·S
Director · 10b5-1
$10.9K
14 sh · $775.58
Own -0%
-
Sell·S
Director · 10b5-1
$6.2K
8 sh · $774.58
Own -0%
-
Sell·S
Director · 10b5-1
$6.2K
8 sh · $773.59
Own -0%
-
Sell·S
Director · 10b5-1
$2.3K
3 sh · $772.76
Own -0%
-
Sell·S
Director · 10b5-1
$771
1 sh · $771.32
Own -0%
-
Sell·S
Director · 10b5-1
$15.8K
20 sh · $789.28
Own -0%
-
Sell·S
Director · 10b5-1
$15.8K
20 sh · $788.96
Own -0%
-
Sell·S
Director · 10b5-1
$1.6K
2 sh · $787.34
Own -0%
-
Sell·S
Director · 10b5-1
$5.5K
7 sh · $786.61
Own -0%
-
Sell·S
Director · 10b5-1
$8.6K
11 sh · $785.48
Own -0%
-
Sell·S
Director · 10b5-1
$7.1K
9 sh · $784.48
Own -0%
-
Sell·S
Director · 10b5-1
$7.8K
10 sh · $783.62
Own -0%
-
Sell·S
Director · 10b5-1
$1.6K
2 sh · $782.62
Own -0%
-
Sell·S
Director · 10b5-1
$1.6K
2 sh · $781.21
Own -0%
-
Sell·S
Director · 10b5-1
$2.3K
3 sh · $780.69
Own -0%
-
Sell·S
Director · 10b5-1
$3.9K
5 sh · $779.69
Own -0%
-
Sell·S
Director · 10b5-1
$1.6K
2 sh · $778.30
Own -0%
-
Sell·S
Director · 10b5-1
$5.4K
7 sh · $777.46
Own -0%
-
Exercise·M
Director · 10b5-1
$0
1.6K sh
Own New
-
Sell·S
Director · 10b5-1
$3.2K
4 sh · $790.00
Own -0%
-
Sell·S
Director · 10b5-1
$44.0K
56 sh · $785.61
Own -3%
-
Sell·S
Director · 10b5-1
$125.5K
160 sh · $784.45
Own -8%
-
Sell·S
Director · 10b5-1
$172.3K
220 sh · $783.29
Own -10%
-
Sell·S
Director · 10b5-1
$233.1K
298 sh · $782.10
Own -12%
-
Sell·S
Director · 10b5-1
$163.3K
209 sh · $781.28
Own -8%
-
Sell·S
Director · 10b5-1
$258.3K
331 sh · $780.45
Own -11%
-
Sell·S
Director · 10b5-1
$162.1K
208 sh · $779.55
Own -7%
-
Sell·S
Director · 10b5-1
$41.3K
53 sh · $778.47
Own -2%
-
Sell·S
Director · 10b5-1
$38.8K
50 sh · $775.50
Own -2%
-
Sell·S
Director · 10b5-1
$38.0K
49 sh · $774.68
Own -1%
-
Exercise·M
Director · 10b5-1
$617.0K
1.6K sh · $376.69
Own +96%
-
Sell·S
Director · 10b5-1
$788
1 sh · $787.82
Own -0%
-
Sell·S
Director · 10b5-1
$1.6K
2 sh · $786.29
Own -0%
-
Sell·S
Director · 10b5-1
$786
1 sh · $785.71
Own -0%
-
Sell·S
Director · 10b5-1
$785
1 sh · $784.59
Own -0%
-
Sell·S
Director · 10b5-1
$2.4K
3 sh · $783.34
Own -0%
-
Sell·S
Director · 10b5-1
$783
1 sh · $782.53
Own -0%
-
Sell·S
Director · 10b5-1
$3.9K
5 sh · $781.48
Own -0%
-
Sell·S
Director · 10b5-1
$780
1 sh · $780.09
Own -0%
-
Sell·S
Director · 10b5-1
$3.9K
5 sh · $779.41
Own -0%
-
Sell·S
Director · 10b5-1
$9.3K
12 sh · $778.53
Own -0%
-
Sell·S
Director · 10b5-1
$44.3K
57 sh · $777.56
Own -0%
-
Sell·S
Director · 10b5-1
$7.8K
10 sh · $776.59
Own -0%
-
Sell·S
Director · 10b5-1
$776
1 sh · $775.63
Own -0%
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Exercise·M
SVP Controller · 10b5-1
$0
1.0K sh
Own New
-
Sell·S
SVP Controller · 10b5-1
$41.6K
53 sh · $785.72
Own -1%
-
Sell·S
SVP Controller · 10b5-1
$785
1 sh · $784.66
Own -0%
-
Sell·S
SVP Controller · 10b5-1
$112.8K
144 sh · $783.23
Own -3%
-
Sell·S
SVP Controller · 10b5-1
$29.0K
37 sh · $782.67
Own -1%
-
Sell·S
SVP Controller · 10b5-1
$20.3K
26 sh · $781.37
Own -1%
-
Sell·S
SVP Controller · 10b5-1
$58.5K
75 sh · $780.06
Own -2%
-
Sell·S
SVP Controller · 10b5-1
$159.8K
205 sh · $779.56
Own -4%
-
Sell·S
SVP Controller · 10b5-1
$438.2K
563 sh · $778.35
Own -10%
-
Sell·S
SVP Controller · 10b5-1
$304.0K
391 sh · $777.51
Own -7%
-
Sell·S
SVP Controller · 10b5-1
$404.5K
521 sh · $776.43
Own -8%
-
Sell·S
SVP Controller · 10b5-1
$15.5K
20 sh · $775.95
Own -0%
-
Exercise·M
SVP Controller · 10b5-1
$492.0K
1.0K sh · $492.00
Own +19%
-
Grant·A
Director
$0
2.0K sh
Own New
-
Grant·A
Director
$0
155 sh
Own +10%
-
Grant·A
Director
$0
2.0K sh
Own New
-
Grant·A
Director
$0
155 sh
Own +35%
-
Grant·A
Director
$0
2.0K sh
Own New
-
Grant·A
Director
$0
155 sh
Own +25%
-
Grant·A
Director
$0
2.0K sh
Own New
-
Grant·A
Director
$0
155 sh
Own +1%
-
Grant·A
Director
$0
2.0K sh
Own New
-
Grant·A
Director
$0
155 sh
Own +1%
-
Grant·A
Director
$0
2.0K sh
Own New
-
Grant·A
Director
$0
155 sh
Own +35%
-
Grant·A
Director
$0
2.0K sh
Own New
-
Grant·A
Director
$0
155 sh
Own +2%
-
Grant·A
Director
$0
2.0K sh
Own New
-
Grant·A
Director
$0
155 sh
Own +10%
-
Grant·A
Director
$0
2.0K sh
Own New
-
Grant·A
Director
$0
155 sh
Own +10%
-
Exercise·M
Bd. Co-Chair, President & CSO
$0
28.6K sh
Own +5%
-
Other·F
Bd. Co-Chair, President & CSO
$22.1M
28.6K sh · $772.09
Own -8%
-
Exercise·M
Bd. Co-Chair, President & CSO
$0
28.6K sh
Own +9%
-
Exercise·M
Bd. Co-Chair, President & CEO
$0
28.6K sh
Own +5%
-
Other·F
Bd. Co-Chair, President & CEO
$22.1M
28.6K sh · $772.09
Own -12%
-
Exercise·M
Bd. Co-Chair, President & CEO
$0
28.6K sh
Own +13%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 2 | $1.4K |
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 1 | $712 |
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 5 | $3.6K |
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 2 | $1.4K |
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 6 | $4.3K |
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 4 | $2.8K |
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 7 | $4.9K |
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 14 | $9.9K |
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 15 | $10.6K |
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 24 | $16.9K |
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 15 | $10.5K |
| May 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 5 | $3.5K |
| Apr 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 40 | $31.2K |
| Apr 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 4 | $3.1K |
| Apr 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 9 | $7.0K |
| Apr 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 13 | $10.1K |
| Apr 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 14 | $10.9K |
| Apr 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 8 | $6.2K |
| Apr 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 8 | $6.2K |
| Apr 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 3 | $2.3K |
| Apr 1, 2026 | Arthur F Ryan 10b5-1 | Sell S | 1 | $771 |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 20 | $15.8K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 20 | $15.8K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 2 | $1.6K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 7 | $5.5K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 11 | $8.6K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 9 | $7.1K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 10 | $7.8K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 2 | $1.6K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 2 | $1.6K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 3 | $2.3K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 5 | $3.9K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 2 | $1.6K |
| Mar 2, 2026 | Arthur F Ryan 10b5-1 | Sell S | 7 | $5.4K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Exercise M | 1.6K | $0 |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Sell S | 4 | $3.2K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Sell S | 56 | $44.0K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Sell S | 160 | $125.5K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Sell S | 220 | $172.3K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Sell S | 298 | $233.1K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Sell S | 209 | $163.3K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Sell S | 331 | $258.3K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Sell S | 208 | $162.1K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Sell S | 53 | $41.3K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Sell S | 50 | $38.8K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Sell S | 49 | $38.0K |
| Feb 19, 2026 | Huda Y Zoghbi 10b5-1 | Exercise M | 1.6K | $617.0K |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 1 | $788 |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 2 | $1.6K |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 1 | $786 |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 1 | $785 |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 3 | $2.4K |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 1 | $783 |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 5 | $3.9K |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 1 | $780 |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 5 | $3.9K |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 12 | $9.3K |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 57 | $44.3K |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 10 | $7.8K |
| Feb 9, 2026 | Arthur F Ryan 10b5-1 | Sell S | 1 | $776 |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Exercise M | 1.0K | $0 |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Sell S | 53 | $41.6K |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Sell S | 1 | $785 |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Sell S | 144 | $112.8K |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Sell S | 37 | $29.0K |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Sell S | 26 | $20.3K |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Sell S | 75 | $58.5K |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Sell S | 205 | $159.8K |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Sell S | 563 | $438.2K |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Sell S | 391 | $304.0K |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Sell S | 521 | $404.5K |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Sell S | 20 | $15.5K |
| Feb 9, 2026 | Jason Pitofsky 10b5-1 | Exercise M | 1.0K | $492.0K |
| Jan 2, 2026 | Huda Y Zoghbi | Grant A | 2.0K | $0 |
| Jan 2, 2026 | Huda Y Zoghbi | Grant A | 155 | $0 |
| Jan 2, 2026 | David P Schenkein | Grant A | 2.0K | $0 |
| Jan 2, 2026 | David P Schenkein | Grant A | 155 | $0 |
| Jan 2, 2026 | Craig B. Thompson | Grant A | 2.0K | $0 |
| Jan 2, 2026 | Craig B. Thompson | Grant A | 155 | $0 |
| Jan 2, 2026 | George L Sing | Grant A | 2.0K | $0 |
| Jan 2, 2026 | George L Sing | Grant A | 155 | $0 |
| Jan 2, 2026 | Arthur F Ryan | Grant A | 2.0K | $0 |
| Jan 2, 2026 | Arthur F Ryan | Grant A | 155 | $0 |
| Jan 2, 2026 | Kathryn Guarini | Grant A | 2.0K | $0 |
| Jan 2, 2026 | Kathryn Guarini | Grant A | 155 | $0 |
| Jan 2, 2026 | Joseph L Goldstein | Grant A | 2.0K | $0 |
| Jan 2, 2026 | Joseph L Goldstein | Grant A | 155 | $0 |
| Jan 2, 2026 | Anthony N Coles | Grant A | 2.0K | $0 |
| Jan 2, 2026 | Anthony N Coles | Grant A | 155 | $0 |
| Jan 2, 2026 | Michael S Brown | Grant A | 2.0K | $0 |
| Jan 2, 2026 | Michael S Brown | Grant A | 155 | $0 |
| Dec 31, 2025 | George Yancopoulos KEY | Exercise M | 28.6K | $0 |
| Dec 31, 2025 | George Yancopoulos KEY | Other F | 28.6K | $22.1M |
| Dec 31, 2025 | George Yancopoulos KEY | Exercise M | 28.6K | $0 |
| Dec 31, 2025 | Leonard S Schleifer KEY | Exercise M | 28.6K | $0 |
| Dec 31, 2025 | Leonard S Schleifer KEY | Other F | 28.6K | $22.1M |
| Dec 31, 2025 | Leonard S Schleifer KEY | Exercise M | 28.6K | $0 |
About REGN insider trading
This page tracks insider transactions for REGENERON PHARMACEUTICALS, INC. (REGN) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.