SEC Insider Transactions from STAHL NEIL.

Last updated: 2026-03-14 11:14 UTC | Total transactions: 35

STAHL NEIL has filed 35 insider transactions across 1 company since August 2023.

Most recent transaction: a tax payment of 304 shares of REGENERON PHARMACEUTICALS, INC. ($REGN) on December 16, 2024.

Activity breakdown: 0 open-market purchases and 16 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Dec. 16, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development F Common Stock 304 $730.81 59,283.0000 135,300,000 0.51% 0.00%
Dec. 9, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development F Common Stock 466 $787.00 59,587.0000 135,300,000 0.78% 0.00%
Aug. 13, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development G Common Stock 500 $0.00 60,053.0000 134,800,000 0.83% 0.00%
Aug. 8, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 100 $1081.83 66,550.0000 134,800,000 0.15% 0.00%
Aug. 8, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 200 $1082.69 66,350.0000 134,800,000 0.30% 0.00%
Aug. 8, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 1006 $1083.76 65,344.0000 134,800,000 1.52% 0.00%
Aug. 8, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 1883 $1084.61 63,461.0000 134,800,000 2.88% 0.00%
Aug. 8, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 1708 $1085.01 61,753.0000 134,800,000 2.69% 0.00%
Aug. 8, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 300 $1086.15 61,453.0000 134,800,000 0.49% 0.00%
Aug. 12, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development G Common Stock 900 $0.00 60,553.0000 134,800,000 1.46% 0.00%
Aug. 2, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development M Common Stock 23638 $555.67 85,091.0000 134,800,000 38.47% 0.02%
Aug. 2, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development F Common Stock 18441 $1093.49 66,650.0000 134,800,000 21.67% 0.01%
Aug. 2, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development M Non-Qualified Stock Option (right to buy) 23638 $0.00 45,000.0000 134,800,000 34.44% 0.02%
Feb. 26, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development G Common Stock 1020 $0.00 61,438.0000 133,100,000 1.63% 0.00%
Feb. 7, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 100 $947.34 70,395.0000 133,100,000 0.14% 0.00%
Feb. 7, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 1894 $948.69 68,501.0000 133,100,000 2.69% 0.00%
Feb. 7, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 601 $949.45 67,900.0000 133,100,000 0.88% 0.00%
Feb. 7, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 3127 $950.43 64,773.0000 133,100,000 4.61% 0.00%
Feb. 7, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 1237 $951.49 63,536.0000 133,100,000 1.91% 0.00%
Feb. 7, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 1059 $952.49 62,477.0000 133,100,000 1.67% 0.00%
Feb. 7, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 19 $953.00 62,458.0000 133,100,000 0.03% 0.00%
Feb. 2, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development M Common Stock 30750 $399.66 93,208.0000 133,100,000 49.23% 0.02%
Feb. 2, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development F Common Stock 22713 $956.65 70,495.0000 133,100,000 24.37% 0.02%
Feb. 2, 2024 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development M Non-Qualified Stock Option (right to buy) 30750 $0.00 0.0000 133,100,000 100.00% 0.02%
Dec. 8, 2023 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development F Common Stock 809 $843.79 62,330.0000 130,400,000 1.28% 0.00%
Dec. 8, 2023 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development A Common Stock 853 $0.00 63,183.0000 130,400,000 1.37% 0.00%
Dec. 11, 2023 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development F Common Stock 725 $844.09 62,458.0000 130,400,000 1.15% 0.00%
Dec. 8, 2023 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development A Non-Qualified Stock Option (right to buy) 3059 $0.00 3,059.0000 130,400,000 9999.99% 0.00%
Nov. 10, 2023 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development G Common Stock 400 $0.00 63,139.0000 130,400,000 0.63% 0.00%
Aug. 21, 2023 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development M Common Stock 50000 $399.66 113,539.0000 130,400,000 78.69% 0.04%
Aug. 21, 2023 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development F Common Stock 38335 $833.39 75,204.0000 130,400,000 33.76% 0.03%
Aug. 22, 2023 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 6309 $840.53 68,895.0000 130,400,000 8.39% 0.00%
Aug. 22, 2023 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 4574 $841.41 64,321.0000 130,400,000 6.64% 0.00%
Aug. 22, 2023 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development S Common Stock 782 $842.16 63,539.0000 130,400,000 1.22% 0.00%
Aug. 21, 2023 REGENERON PHARMACEUTICALS, INC. $REGN STAHL NEIL EVP Research and Development M Non-Qualified Stock Option (right to buy) 50000 $0.00 30,750.0000 130,400,000 61.92% 0.04%