REGN · Regeneron Pharmaceuticals, Inc. · Insider Trading

$955.47 +4.28 (+0.45%) At close · Nov 13 Play latest call Q3 2026 earnings call transcript

S&P 500 member Nasdaq-100 member Russell 1000 member Rebalance outlook locked

Market Cap

$98.84B

103.45M

Volume · Nov 13 1.17M Avg daily vol (3M) 792.82K

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.

Query insider transactions through the insider trading API or MCP →

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

Net buyers

-5

Net shares bought

-0.04%

Net buy value

-$43,322,639

Date	Insider	Role	Type	Security	Shares	Price	Value	After
2026-11-04	Pitofsky Jason	SVP Controller	Convert↓ Filing footnotes — Non-Qualified Stock Option (right to buy) (Direct) The stock option award vested in four equal annual installments, commencing one year after the date of grant.	Non-Qualified Stock Option (right to buy)	1,478	—	—	500
2026-11-04	Pitofsky Jason	SVP Controller	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 982 shares of Company stock on November 4, 2026 at prices ranging from $941.08 to $941.92. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 4, 2026 at each separate price.	Common Stock	982	$941.58	$924,632	6,159
2026-11-04	Pitofsky Jason	SVP Controller	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 108 shares of Company stock on November 4, 2026 at prices ranging from $944.00 to $944.34. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 4, 2026 at each separate price.	Common Stock	108	$944.22	$101,976	4,307
2026-11-04	Pitofsky Jason	SVP Controller	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 1,215 shares of Company stock on November 4, 2026 at prices ranging from $942.00 to $942.92. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 4, 2026 at each separate price.	Common Stock	1,215	$942.31	$1,144,907	4,944
2026-11-04	Pitofsky Jason	SVP Controller	Convert↑	Common Stock	1,478	$644.54	$952,630	7,250
2026-11-04	Pitofsky Jason	SVP Controller	Sell↓	Common Stock	35	$945.61	$33,096	4,272
2026-11-04	Pitofsky Jason	SVP Controller	Convert↑	Common Stock	905	$492.00	$445,260	8,155
2026-11-04	Pitofsky Jason	SVP Controller	Convert↑	Common Stock	1,500	$726.53	$1,089,795	5,772
2026-11-04	Pitofsky Jason	SVP Controller	Convert↓ Filing footnotes — Non-Qualified Stock Option (right to buy) (Direct) The stock option award vested in four equal annual installments, commencing one year after the date of grant.	Non-Qualified Stock Option (right to buy)	905	—	—	0
2026-11-04	Pitofsky Jason	SVP Controller	Convert↓ Filing footnotes — Non-Qualified Stock Option (right to buy) (Direct) The stock option award vested in four equal annual installments, commencing one year after the date of grant.	Non-Qualified Stock Option (right to buy)	1,500	—	—	2,478
2026-11-04	Pitofsky Jason	SVP Controller	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 529 shares of Company stock on November 4, 2026 at prices ranging from $943.00 to $943.88. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 4, 2026 at each separate price.	Common Stock	529	$943.53	$499,127	4,415
2026-11-04	Pitofsky Jason	SVP Controller	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 575 shares of Company stock on November 4, 2026 at prices ranging from $940.15 to $940.88. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 4, 2026 at each separate price.	Common Stock	575	$940.46	$540,765	7,141
2026-11-04	Pitofsky Jason	SVP Controller	Sell↓ Filing footnotes — Common Stock (Indirect) Represents volume-weighted average price of sales of 179 shares of Company stock on November 4, 2026 at prices ranging from $950.45 to $950.78. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 4, 2026 at each separate price.	Common Stock (I)	179	$950.76	$170,186	0
2026-11-04	Pitofsky Jason	SVP Controller	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 439 shares of Company stock on November 4, 2026 at prices ranging from $939.10 to $939.71. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 4, 2026 at each separate price.	Common Stock	439	$939.57	$412,471	7,716
2026-11-03	Zoghbi Huda Y	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 6,939 shares of Company stock on November 3, 2026 at prices ranging from $970.00 to $970.85. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 3, 2026 at each separate price.	Common Stock	6,939	$970.42	$6,733,744	2,203
2026-11-03	Zoghbi Huda Y	Director	Convert↑	Common Stock	7,439	$380.95	$2,833,887	9,142
2026-11-03	Zoghbi Huda Y	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 500 shares of Company stock on November 3, 2026 at prices ranging from $971.00 to $971.11. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 3, 2026 at each separate price.	Common Stock	500	$971.06	$485,530	1,703
2026-11-03	Zoghbi Huda Y	Director	Convert↓ Filing footnotes — Non-Qualified Stock Option (right to buy) (Direct) The stock option vested in three equal annual installments, commencing one year after the date of grant.	Non-Qualified Stock Option (right to buy)	7,439	—	—	0
2026-11-03	MURPHY ANDREW J	EVP Research	Gift↓	Common Stock	1,054	—	—	46,779
2026-11-02	SING GEORGE L	Director	Convert↑	Common Stock	7,830	$376.69	$2,949,483	38,837
2026-11-02	Fenimore Christopher R.	EVP Finance CFO	Tax↓	Common Stock	4,243	$950.50	$4,032,972	21,741
2026-11-02	SING GEORGE L	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 4,338 shares of Company stock on November 2, 2026 at prices ranging from $963.00 to $963.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	4,338	$963.47	$4,179,533	37,652
2026-11-02	SING GEORGE L	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 1,224 shares of Company stock on November 2, 2026 at prices ranging from $960.03 to $960.94. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	1,224	$960.57	$1,175,738	45,052
2026-11-02	POON CHRISTINE A	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 3,203 shares of Company stock on November 2, 2026 at prices ranging from $969.01 to $969.97. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	3,203	$969.50	$3,105,309	6,357
2026-11-02	SING GEORGE L	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 7,073 shares of Company stock on November 2, 2026 at prices ranging from $965.00 to $965.98. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	7,073	$965.38	$6,828,133	27,909
2026-11-02	POON CHRISTINE A	Director	Convert↓ Filing footnotes — Non-Qualified Stock Option (right to buy) (Direct) The stock option vested in three equal annual installments, commencing one year after the date of grant.	Non-Qualified Stock Option (right to buy)	7,830	—	—	0
2026-11-02	LAROSA JOSEPH J	EVP General Counsel and Secret	Convert↓ Filing footnotes — Non-Qualified Stock Option (right to buy) (Direct) The stock option award vested in four equal annual installments, commencing one year after the date of grant.	Non-Qualified Stock Option (right to buy)	12,283	—	—	0
2026-11-02	Fenimore Christopher R.	EVP Finance CFO	Convert↓ Filing footnotes — Non-Qualified Stock Option (right to buy) (Direct) The stock option award vested in four equal annual installments, commencing one year after the date of grant.	Non-Qualified Stock Option (right to buy)	6,000	—	—	0
2026-11-02	LAROSA JOSEPH J	EVP General Counsel and Secret	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 3,939 shares of Company stock on November 2, 2026 at prices ranging from $965.00 to $965.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	3,939	$965.41	$3,802,750	39,433
2026-11-02	POON CHRISTINE A	Director	Convert↑	Common Stock	7,830	$376.69	$2,949,483	13,049
2026-11-02	SING GEORGE L	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 1,522 shares of Company stock on November 2, 2026 at prices ranging from $966.02 to $966.87. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	1,522	$966.27	$1,470,663	26,387
2026-11-02	POON CHRISTINE A	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 2,499 shares of Company stock on November 2, 2026 at prices ranging from $968.00 to $968.93. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	2,499	$968.58	$2,420,481	9,560
2026-11-02	SING GEORGE L	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 2,522 shares of Company stock on November 2, 2026 at prices ranging from $962.07 to $962.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	2,522	$962.61	$2,427,702	41,990
2026-11-02	POON CHRISTINE A	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 201 shares of Company stock on November 2, 2026 at prices ranging from $971.16 to $971.62. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	201	$971.31	$195,233	5,219
2026-11-02	POON CHRISTINE A	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 772 shares of Company stock on November 2, 2026 at prices ranging from $967.06 to $967.75. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	772	$967.38	$746,817	12,059
2026-11-02	POON CHRISTINE A	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 218 shares of Company stock on November 2, 2026 at prices ranging from $966.39 to $966.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	218	$966.74	$210,749	12,831
2026-11-02	SING GEORGE L	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 2,670 shares of Company stock on November 2, 2026 at prices ranging from $964.10 to $964.97. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	2,670	$964.57	$2,575,402	34,982
2026-11-02	LAROSA JOSEPH J	EVP General Counsel and Secret	Convert↑	Common Stock	12,283	$381.92	$4,691,123	52,058
2026-11-02	SING GEORGE L	Director	Convert↓ Filing footnotes — Non-Qualified Stock Option (right to buy) (Direct) The stock option vested in three equal annual installments, commencing one year after the date of grant.	Non-Qualified Stock Option (right to buy)	7,439	—	—	0
2026-11-02	SING GEORGE L	Director	Convert↑	Common Stock	7,439	$380.95	$2,833,887	46,276
2026-11-02	SING GEORGE L	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 200 shares of Company stock on November 2, 2026 at prices ranging from $970.16 to $970.19. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	200	$970.18	$194,036	25,147
2026-11-02	LAROSA JOSEPH J	EVP General Counsel and Secret	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 527 shares of Company stock on November 2, 2026 at prices ranging from $966.00 to $966.32. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	527	$966.11	$509,140	38,906
2026-11-02	SING GEORGE L	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 1,040 shares of Company stock on November 2, 2026 at prices ranging from $967.00 to $967.26. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	1,040	$967.07	$1,005,753	25,347
2026-11-02	POON CHRISTINE A	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 937 shares of Company stock on November 2, 2026 at prices ranging from $970.00 to $970.92. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	937	$970.51	$909,368	5,420
2026-11-02	Fenimore Christopher R.	EVP Finance CFO	Gift↓	Common Stock	15	—	—	21,726
2026-11-02	SING GEORGE L	Director	Sell↓ Filing footnotes — Common Stock (Direct) Represents volume-weighted average price of sales of 540 shares of Company stock on November 2, 2026 at prices ranging from $961.76 to $961.89. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on November 2, 2026 at each separate price.	Common Stock	540	$961.85	$519,399	44,512
2026-11-02	SING GEORGE L	Director	Convert↓ Filing footnotes — Non-Qualified Stock Option (right to buy) (Direct) The stock option vested in three equal annual installments, commencing one year after the date of grant.	Non-Qualified Stock Option (right to buy)	7,830	—	—	0
2026-11-02	LAROSA JOSEPH J	EVP General Counsel and Secret	Tax↓	Common Stock	8,686	$950.50	$8,256,043	43,372
2026-11-02	Fenimore Christopher R.	EVP Finance CFO	Convert↑	Common Stock	6,000	$381.92	$2,291,520	25,984
2026-10-30	Guarini Kathryn	Director	Convert↑ Filing footnotes — Common Stock (Direct) Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 13, 2026.	Common Stock	400	$719.37	$287,748	1,003

Legend Buy — open-market purchase Sell — open-market sale ↑ Shares acquired ↓ Shares disposed (gift, conversion, tax…)

Showing 1–50 of 3,476 transactions

Key facts CIK 872589 CUSIP 75886F107 13F (30d) 1142 filings 1071 filers Visit website Investor relations