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Regeneron Pharmaceuticals, Inc.

Andrew J Murphy (Co-Chief Scientific Officer) sells REGN shares

4REGNFiled Oct 15, 2026, 4:02 PM ET· Period Oct 13, 2026

AI-generated summary

Co-Chief Scientific Officer Andrew J Murphy exercised 17,000 options at an average price of $381.92, disposed of 12,853 shares for tax withholding at an average price of $754.58, and sold 4,147 shares at an average price of $772.70. After these transactions, the insider directly held 47,833 shares. The transactions were executed under a Rule 10b5-1 trading plan adopted on May 7, 2026.

View original filing on SEC.gov (opens SEC EDGAR)

Key facts

Insider
Andrew J Murphy · Co-Chief Scientific Officer

Rule 10b5-1 plan · adopted May 7, 2026

DateTransactionSharesPriceValueHeld afterOwnership
Oct 13, 2026M · exercise or conversion of a derivativeFootnotes F1+17,000$381.92$6,492,640.0064,833Direct
Oct 13, 2026F · tax withholdingFootnotes F1−12,853$754.58$9,698,616.7451,980Direct
Oct 14, 2026S · open-market saleFootnotes F1−6$753.76$4,522.5651,974Direct
Oct 14, 2026S · open-market saleFootnotes F1−35$755.91$26,456.8551,939Direct
Oct 14, 2026S · open-market saleFootnotes F1−16$757.68$12,122.8851,923Direct
Oct 14, 2026S · open-market saleFootnotes F1−24$758.16$18,195.8451,899Direct
Oct 14, 2026S · open-market saleFootnotes F1, F2−14$759.96$10,639.4451,885Direct
Oct 14, 2026S · open-market saleFootnotes F1, F3−74$760.65$56,288.1051,811Direct
Oct 14, 2026S · open-market saleFootnotes F1, F4−27$761.36$20,556.7251,784Direct
Oct 14, 2026S · open-market saleFootnotes F1−55$762.57$41,941.3551,729Direct
Oct 14, 2026S · open-market saleFootnotes F1, F5−25$763.76$19,094.0051,704Direct
Oct 14, 2026S · open-market saleFootnotes F1, F6−219$764.40$167,403.6051,485Direct
Oct 14, 2026S · open-market saleFootnotes F1, F7−271$765.39$207,420.6951,214Direct
Oct 14, 2026S · open-market saleFootnotes F1, F8−279$766.47$213,845.1350,935Direct
Oct 14, 2026S · open-market saleFootnotes F1, F9−192$767.39$147,338.8850,743Direct
Oct 14, 2026S · open-market saleFootnotes F1, F10−105$768.33$80,674.6550,638Direct
Oct 14, 2026S · open-market saleFootnotes F1, F11−127$769.30$97,701.1050,511Direct
Oct 14, 2026S · open-market saleFootnotes F1−12$770.20$9,242.4050,499Direct
Oct 14, 2026S · open-market saleFootnotes F1, F12−283$771.56$218,351.4850,216Direct
Oct 14, 2026S · open-market saleFootnotes F1, F13−211$772.56$163,010.1650,005Direct
Oct 14, 2026S · open-market saleFootnotes F1, F14−224$773.40$173,241.6049,781Direct
Oct 14, 2026S · open-market saleFootnotes F1, F15−121$774.48$93,712.0849,660Direct
Oct 14, 2026S · open-market saleFootnotes F1, F16−376$775.46$291,572.9649,284Direct
Oct 14, 2026S · open-market saleFootnotes F1, F17−66$776.31$51,236.4649,218Direct
Oct 14, 2026S · open-market saleFootnotes F1, F18−38$777.76$29,554.8849,180Direct
Oct 14, 2026S · open-market saleFootnotes F1, F19−454$778.64$353,502.5648,726Direct
Oct 14, 2026S · open-market saleFootnotes F1, F20−380$779.59$296,244.2048,346Direct
Oct 14, 2026S · open-market saleFootnotes F1, F21−463$780.63$361,431.6947,883Direct
Oct 14, 2026S · open-market saleFootnotes F1, F22−50$781.47$39,073.5047,833Direct
Oct 13, 2026M · exercise or conversion of a derivativeNon-Qualified Stock Option (right to buy)Footnotes F1, F23−17,000$0.00$0.0017,000Direct
Footnotes
  1. F1 Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on May 7, 2026.
  2. F2 Represents volume-weighted average price of sales of 14 shares of Company stock on October 14, 2026 at prices ranging from $759.94 to $759.96. 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 October 14, 2026 at each separate price.
  3. F3 Represents volume-weighted average price of sales of 74 shares of Company stock on October 14, 2026 at prices ranging from $760.28 to $760.94. 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 October 14, 2026 at each separate price.
  4. F4 Represents volume-weighted average price of sales of 27 shares of Company stock on October 14, 2026 at prices ranging from $761.01 to $761.68. 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 October 14, 2026 at each separate price.
  5. F5 Represents volume-weighted average price of sales of 25 shares of Company stock on October 14, 2026 at prices ranging from $763.62 to $763.94. 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 October 14, 2026 at each separate price.
  6. F6 Represents volume-weighted average price of sales of 219 shares of Company stock on October 14, 2026 at prices ranging from $764.04 to $764.82. 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 October 14, 2026 at each separate price.
  7. F7 Represents volume-weighted average price of sales of 271 shares of Company stock on October 14, 2026 at prices ranging from $765.11 to $765.78. 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 October 14, 2026 at each separate price.
  8. F8 Represents volume-weighted average price of sales of 279 shares of Company stock on October 14, 2026 at prices ranging from $766.00 to $766.95. 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 October 14, 2026 at each separate price.
  9. F9 Represents volume-weighted average price of sales of 192 shares of Company stock on October 14, 2026 at prices ranging from $767.10 to $767.82. 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 October 14, 2026 at each separate price.
  10. F10 Represents volume-weighted average price of sales of 105 shares of Company stock on October 14, 2026 at prices ranging from $768.15 to $768.59. 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 October 14, 2026 at each separate price.
  11. F11 Represents volume-weighted average price of sales of 127 shares of Company stock on October 14, 2026 at prices ranging from $769.15 to $769.93. 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 October 14, 2026 at each separate price.
  12. F12 Represents volume-weighted average price of sales of 283 shares of Company stock on October 14, 2026 at prices ranging from $771.04 to $771.95. 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 October 14, 2026 at each separate price.
  13. F13 Represents volume-weighted average price of sales of 211 shares of Company stock on October 14, 2026 at prices ranging from $772.06 to $772.74. 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 October 14, 2026 at each separate price.
  14. F14 Represents volume-weighted average price of sales of 224 shares of Company stock on October 14, 2026 at prices ranging from $773.14 to $773.84. 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 October 14, 2026 at each separate price.
  15. F15 Represents volume-weighted average price of sales of 121 shares of Company stock on October 14, 2026 at prices ranging from $774.11 to $774.85. 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 October 14, 2026 at each separate price.
  16. F16 Represents volume-weighted average price of sales of 376 shares of Company stock on October 14, 2026 at prices ranging from $775.14 to $775.92. 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 October 14, 2026 at each separate price.
  17. F17 Represents volume-weighted average price of sales of 66 shares of Company stock on October 14, 2026 at prices ranging from $776.00 to $776.98. 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 October 14, 2026 at each separate price.
  18. F18 Represents volume-weighted average price of sales of 38 shares of Company stock on October 14, 2026 at prices ranging from $777.51 to $777.92. 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 October 14, 2026 at each separate price.
  19. F19 Represents volume-weighted average price of sales of 454 shares of Company stock on October 14, 2026 at prices ranging from $778.05 to $778.99. 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 October 14, 2026 at each separate price.
  20. F20 Represents volume-weighted average price of sales of 380 shares of Company stock on October 14, 2026 at prices ranging from $779.00 to $779.97. 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 October 14, 2026 at each separate price.
  21. F21 Represents volume-weighted average price of sales of 463 shares of Company stock on October 14, 2026 at prices ranging from $780.06 to $780.89. 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 October 14, 2026 at each separate price.
  22. F22 Represents volume-weighted average price of sales of 50 shares of Company stock on October 14, 2026 at prices ranging from $781.05 to $781.84. 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 October 14, 2026 at each separate price.
  23. F23 The stock option award vested in four equal annual installments, commencing one year after the date of grant.

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Not investment advice. Summaries can contain errors; the SEC filing is the official record.