REGENERON PHARMACEUTICALS, INC. is an SEC registrant, filing under CIK 0000872589, classified as pharmaceutical preparations. We track it alongside the rest of the Health Care sector.
REGN Form 4 activity by transaction type, last 90 days
Form 4 transaction type
Transactions
Shares
Total value
Open-market sale
5
3,946
$3.30M
Option exercise
10
40,330
Tax withholding / forfeiture
2
13,618
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
REGN insider transactions (Form 4)
136
36 Form 4 filings on record, the earliest from Oct 3, 2024, newest first. Filing history page 1 of 2.
Footnote F2 (price): Represents volume-weighted average price of sales of 200 shares of Company stock on July 2, 2026 at prices ranging from $650.10 to $650.19. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F2 (price): Represents volume-weighted average price of sales of 5 shares of Company stock on May 1, 2026 at prices ranging from $701.36 to $701.95. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F3 (price): Represents volume-weighted average price of sales of 15 shares of Company stock on May 1, 2026 at prices ranging from $702.02 to $702.95. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F4 (price): Represents volume-weighted average price of sales of 24 shares of Company stock on May 1, 2026 at prices ranging from $703.01 to $703.84. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F5 (price): Represents volume-weighted average price of sales of 15 shares of Company stock on May 1, 2026 at prices ranging from $704.01 to $704.75. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F6 (price): Represents volume-weighted average price of sales of 14 shares of Company stock on May 1, 2026 at prices ranging from $705.02 to $705.98. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F7 (price): Represents volume-weighted average price of sales of 7 shares of Company stock on May 1, 2026 at prices ranging from $706.05 to $706.97. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F8 (price): Represents volume-weighted average price of sales of 4 shares of Company stock on May 1, 2026 at prices ranging from $707.12 to $707.84. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F9 (price): Represents volume-weighted average price of sales of 6 shares of Company stock on May 1, 2026 at prices ranging from $709.05 to $709.61. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F10 (price): Represents volume-weighted average price of sales of 2 shares of Company stock on May 1, 2026 at prices ranging from $710.86 to $710.88. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F11 (price): Represents volume-weighted average price of sales of 5 shares of Company stock on May 1, 2026 at prices ranging from $711.17 to $711.79. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F12 (price): Represents volume-weighted average price of sales of 2 shares of Company stock on May 1, 2026 at prices ranging from $714.12 to $714.14. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F2 (price): Represents volume-weighted average price of sales of 3 shares of Company stock on April 1, 2026 at prices ranging from $772.62 to $772.88. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F3 (price): Represents volume-weighted average price of sales of 8 shares of Company stock on April 1, 2026 at prices ranging from $773.27 to $773.97. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F4 (price): Represents volume-weighted average price of sales of 8 shares of Company stock on April 1, 2026 at prices ranging from $774.05 to $774.94. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F5 (price): Represents volume-weighted average price of sales of 14 shares of Company stock on April 1, 2026 at prices ranging from $775.04 to $775.93. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F6 (price): Represents volume-weighted average price of sales of 13 shares of Company stock on April 1, 2026 at prices ranging from $776.11 to $776.84. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F7 (price): Represents volume-weighted average price of sales of 9 shares of Company stock on April 1, 2026 at prices ranging from $777.03 to $777.79. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F8 (price): Represents volume-weighted average price of sales of 4 shares of Company stock on April 1, 2026 at prices ranging from $778.02 to $778.59. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F9 (price): Represents volume-weighted average price of sales of 40 shares of Company stock on April 1, 2026 at prices ranging from $779.65 to $779.76. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F2 (price): Represents volume-weighted average price of sales of 7 shares of Company stock on March 2, 2026 at prices ranging from $777.08 to $777.91. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F3 (price): Represents volume-weighted average price of sales of 2 shares of Company stock on March 2, 2026 at prices ranging from $778.27 to $778.33. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F4 (price): Represents volume-weighted average price of sales of 5 shares of Company stock on March 2, 2026 at prices ranging from $779.36 to $779.95. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F5 (price): Represents volume-weighted average price of sales of 3 shares of Company stock on March 2, 2026 at prices ranging from $780.13 to $780.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F6 (price): Represents volume-weighted average price of sales of 2 shares of Company stock on March 2, 2026 at prices ranging from $781.00 to $781.42. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F7 (price): Represents volume-weighted average price of sales of 2 shares of Company stock on March 2, 2026 at prices ranging from $782.25 to $782.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F8 (price): Represents volume-weighted average price of sales of 10 shares of Company stock on March 2, 2026 at prices ranging from $783.25 to $783.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F9 (price): Represents volume-weighted average price of sales of 9 shares of Company stock on March 2, 2026 at prices ranging from $784.02 to $784.95. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F10 (price): Represents volume-weighted average price of sales of 11 shares of Company stock on March 2, 2026 at prices ranging from $785.02 to $785.97. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F11 (price): Represents volume-weighted average price of sales of 7 shares of Company stock on March 2, 2026 at prices ranging from $786.12 to $786.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F12 (price): Represents volume-weighted average price of sales of 2 shares of Company stock on March 2, 2026 at prices ranging from $787.02 to $787.66. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F13 (price): Represents volume-weighted average price of sales of 20 shares of Company stock on March 2, 2026 at prices ranging from $789.27 to $789.37. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information… Full note on SEC EDGAR
Footnote F2 (price): Represents volume-weighted average price of sales of 53 shares of Company stock on February 19, 2026 at prices ranging from $778.46 to $778.90. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F3 (price): Represents volume-weighted average price of sales of 208 shares of Company stock on February 19, 2026 at prices ranging from $779.10 to $779.98. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F4 (price): Represents volume-weighted average price of sales of 331 shares of Company stock on February 19, 2026 at prices ranging from $780.06 to $780.68. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F5 (price): Represents volume-weighted average price of sales of 209 shares of Company stock on February 19, 2026 at prices ranging from $781.10 to $781.91. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F6 (price): Represents volume-weighted average price of sales of 298 shares of Company stock on February 19, 2026 at prices ranging from $782.01 to $782.91. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F7 (price): Represents volume-weighted average price of sales of 220 shares of Company stock on February 19, 2026 at prices ranging from $783.00 to $783.86. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F8 (price): Represents volume-weighted average price of sales of 160 shares of Company stock on February 19, 2026 at prices ranging from $784.14 to $784.96. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F9 (price): Represents volume-weighted average price of sales of 56 shares of Company stock on February 19, 2026 at prices ranging from $785.60 to $785.75. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F2 (price): Represents volume-weighted average price of sales of 521 shares of Company stock on February 9, 2026 at prices ranging from $776.05 to $776.98. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F3 (price): Represents volume-weighted average price of sales of 391 shares of Company stock on February 9, 2026 at prices ranging from $777.33 to $777.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F4 (price): Represents volume-weighted average price of sales of 563 shares of Company stock on February 9, 2026 at prices ranging from $778.00 to $778.95. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F5 (price): Represents volume-weighted average price of sales of 205 shares of Company stock on February 9, 2026 at prices ranging from $779.19 to $779.96. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F6 (price): Represents volume-weighted average price of sales of 75 shares of Company stock on February 9, 2026 at prices ranging from $780.03 to $780.65. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F7 (price): Represents volume-weighted average price of sales of 26 shares of Company stock on February 9, 2026 at prices ranging from $781.18 to $781.53. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F8 (price): Represents volume-weighted average price of sales of 37 shares of Company stock on February 9, 2026 at prices ranging from $782.22 to $782.83. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F9 (price): Represents volume-weighted average price of sales of 144 shares of Company stock on February 9, 2026 at prices ranging from $783.17 to $783.29. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F10 (price): Represents volume-weighted average price of sales of 53 shares of Company stock on February 9, 2026 at prices ranging from $785.72 to $785.73. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F2 (price): Represents volume-weighted average price of sales of 10 shares of Company stock on February 9, 2026 at prices ranging from $776.04 to $776.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F3 (price): Represents volume-weighted average price of sales of 57 shares of Company stock on February 9, 2026 at prices ranging from $777.02 to $777.93. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F4 (price): Represents volume-weighted average price of sales of 12 shares of Company stock on February 9, 2026 at prices ranging from $778.11 to $778.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F5 (price): Represents volume-weighted average price of sales of 5 shares of Company stock on February 9, 2026 at prices ranging from $779.13 to $779.76. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F6 (price): Represents volume-weighted average price of sales of 5 shares of Company stock on February 9, 2026 at prices ranging from $781.05 to $781.87. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F7 (price): Represents volume-weighted average price of sales of 3 shares of Company stock on February 9, 2026 at prices ranging from $783.20 to $783.61. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F1 (price): Represents volume-weighted average price of sales of 650 shares of Company stock on October 29, 2025 at prices ranging from $652.31 to $652.94. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F2 (price): Represents volume-weighted average price of sales of 2,735 shares of Company stock on October 29, 2025 at prices ranging from $653.05 to $653.98. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F3 (price): Represents volume-weighted average price of sales of 1,915 shares of Company stock on October 29, 2025 at prices ranging from $654.01 to $654.93. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F4 (price): Represents volume-weighted average price of sales of 100 shares of Company stock on October 29, 2025 at prices ranging from $655.02 to $655.16. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F5 (price): Represents volume-weighted average price of sales of 712 shares of Company stock on October 29, 2025 at prices ranging from $656.33 to $656.93. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
Footnote F6 (price): Represents volume-weighted average price of sales of 388 shares of Company stock on October 29, 2025 at prices ranging from $657.02 to $657.78. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full… Full note on SEC EDGAR
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
REGENERON PHARMACEUTICALS, INC. (REGN) had 6 insider filings in the last 90 days, with the most recent on 2026-09-03. The full record for REGN runs to 36 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying REGN stock?
No insider purchases of REGN were filed in the last 90 days.
How many insiders are selling REGN stock?
5 insider sales of REGN were filed in the last 90 days, totaling $3.30M.
Where can I see REGN SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects REGN Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
House of Representatives Periodic Transaction Reports from 2024. Senate filings are not included yet. The full history of REGN beside its insider purchases is in the Congress Tracker.
Huda Y. Zoghbi - Director
Gilbert Ray Cisneros, Jr.Democrat, CA-31
