REGN · Regeneron Pharmaceuticals, Inc. · Insider Trading

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 17, 2026.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 13, 2026.

On the date of the Company's first annual meeting of shareholders following the date of grant, a portion of these stock options equal to the portion of one year that had passed from the date of grant became exercisable, and the remainder became exercisable on the first anniversary of the date of grant.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 17, 2026.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 13, 2026.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 13, 2026.

The stock option award vested in four equal annual installments, commencing one year after the date of grant.

The stock option award vested in four equal annual installments, commencing one year after the date of grant.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 13, 2026.

On the date of the Company's first annual meeting of shareholders following the date of grant, a portion of these stock options equal to the portion of one year that had passed from the date of grant became exercisable, and the remainder became exercisable on the first anniversary of the date of grant.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 13, 2026.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on November 20, 2025.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 13, 2026.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on November 20, 2025.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on November 20, 2025.

The stock option vested in three equal annual installments, commencing one year after the date of grant.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on July 2, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on May 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on May 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on May 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on May 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on May 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on May 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on May 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on May 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on May 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on May 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on May 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on April 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on April 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on April 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on April 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on April 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on April 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on April 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on April 1, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on March 2, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on March 2, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on March 2, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on March 2, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on March 2, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on March 2, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on March 2, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on March 2, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on March 2, 2026 at each separate price.

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.

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 regarding the number of shares sold by the reporting person on March 2, 2026 at each separate price.