Michael S. Clifton

Sits on 1 board. Last updated September 28, 2026

Time on boards

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

3 years of board service in total across 1 board, counting each seat separately. Longest: Rigetti Computing 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
Jun 9, 2026 Rigetti Computing Inc. Grant or award +9,208 โ€” โ€”
Dec 9, 2025 Rigetti Computing Inc. Open-market sale โˆ’150,000 $27.34 $4,101,000
Sep 12, 2025 Rigetti Computing Inc. Open-market sale โˆ’25,000 $17.00 $425,000
Sep 12, 2025 Rigetti Computing Inc. Open-market sale โˆ’50,000 $20.00 $1,000,000
Sep 9, 2025 Rigetti Computing Inc. Open-market sale โˆ’100,000 $15.39 $1,539,000
Jul 17, 2025 Rigetti Computing Inc. Open-market sale โˆ’25,000 $17.00 $425,000
Jul 16, 2025 Rigetti Computing Inc. Open-market sale โˆ’25,000 $15.00 $375,000
Jun 10, 2025 Rigetti Computing Inc. Open-market sale โˆ’25,000 $12.00 $300,000
Jun 10, 2025 Rigetti Computing Inc. Grant or award +14,902 โ€” โ€”
Jun 9, 2025 Rigetti Computing Inc. Open-market sale โˆ’50,000 $11.76 $588,000
Dec 10, 2024 Rigetti Computing Inc. Open-market sale โˆ’125,000 $6.00 $750,000
Dec 9, 2024 Rigetti Computing Inc. Open-market sale โˆ’125,000 $5.03 $628,750
Dec 6, 2024 Rigetti Computing Inc. Open-market sale โˆ’125,000 $4.00 $500,000
Nov 25, 2024 Rigetti Computing Inc. Open-market sale โˆ’125,000 $3.00 $375,000
Jun 18, 2024 Rigetti Computing Inc. Grant or award +142,857 โ€” โ€”

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