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 · Since 2023

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

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
Jul 2, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −200 $650.15 $130,030
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −5 $701.76 $3,509
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −15 $702.46 $10,537
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −24 $703.46 $16,883
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −15 $704.28 $10,564
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −14 $705.56 $9,878
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −7 $706.74 $4,947
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −4 $707.40 $2,830
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −6 $709.45 $4,257
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −2 $710.87 $1,422
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −5 $711.49 $3,557
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −1 $712.09 $712
May 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −2 $714.13 $1,428
Apr 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −1 $771.32 $771
Apr 1, 2026 Regeneron Pharmaceuticals Inc. Open-market sale −3 $772.76 $2,318

Questions about Arthur F. Ryan

What boards is Arthur F. Ryan on?

Arthur F. Ryan sits on the board of Regeneron Pharmaceuticals Inc.

How long has Arthur F. Ryan served on boards?

Our records show at least 4 years of board service across 1 board, the earliest from 2023.

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