Arthur F. Ryan

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Regeneron Pharmaceuticals Inc., 3 years.

3 years ยท Since 2023

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’3 $1,041.35 $3,124
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’1 $1,042.31 $1,042
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’5 $1,043.39 $5,217
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’9 $1,044.62 $9,402
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’7 $1,045.27 $7,317
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’9 $1,046.53 $9,419
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’12 $1,047.44 $12,569
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’12 $1,048.54 $12,582
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’9 $1,049.68 $9,447
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’6 $1,050.60 $6,304
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’9 $1,051.51 $9,464
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’4 $1,052.44 $4,210
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’4 $1,053.45 $4,214
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’3 $1,054.90 $3,165
Oct 1, 2024 Regeneron Pharmaceuticals Inc. Open-market sale โˆ’3 $1,056.68 $3,170

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