Mercedes Johnson

Sits on 3 boards. Last updated September 27, 2026

Time on boards

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

11 years of board service in total across 3 boards, counting each seat separately. Longest: Teradyne Inc., 3 years.

Teradyne Inc. Director
3 years ยท Since 2023
3 years ยท Since 2023
Synopsys Inc. Director
3 years ยท 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
Sep 1, 2026 Teradyne Inc. Open-market sale โˆ’167 $341.30 $56,997
Aug 3, 2026 Teradyne Inc. Open-market sale โˆ’166 $358.15 $59,453
Jul 1, 2026 Teradyne Inc. Open-market sale โˆ’167 $460.00 $76,820
Jun 2, 2026 Teradyne Inc. Open-market sale โˆ’167 $369.74 $61,747
May 8, 2026 Teradyne Inc. Grant or award +668 โ€” โ€”
Apr 16, 2026 Synopsys Inc. Grant or award +453 โ€” โ€”
Apr 6, 2026 Teradyne Inc. Open-market sale โˆ’625 $312.20 $195,125
Mar 11, 2026 Analog Devices Inc. Grant or award +747 โ€” โ€”
Mar 5, 2026 Teradyne Inc. Open-market sale โˆ’625 $299.20 $187,000
Feb 5, 2026 Teradyne Inc. Open-market sale โˆ’625 $266.98 $166,863
Jan 5, 2026 Teradyne Inc. Open-market sale โˆ’625 $211.85 $132,406
Dec 5, 2025 Teradyne Inc. Open-market sale โˆ’625 $200.00 $125,000
Nov 5, 2025 Teradyne Inc. Open-market sale โˆ’625 $177.05 $110,656
Oct 6, 2025 Teradyne Inc. Open-market sale โˆ’625 $147.90 $92,438
Sep 5, 2025 Teradyne Inc. Open-market sale โˆ’625 $120.06 $75,038

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