Mercedes Johnson
Mercedes Johnson: Director at Teradyne, Director at Analog Devices and Director at Synopsys. What Mercedes Johnson holds in 3 AI and semiconductor companies tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Teradyne (TER)
Mercedes Johnson holds 8,073 Teradyne shares (0.01% of the company), worth about $3.6M at the last price, according to the Form 4 of Oct 1, 2026.
- Shares held: 6,197 (0.00%), $2.7M — Held in their own name.
- Shares held: 1,876 (0.00%), $832,306.16 — Held through trusts (By Trust).
Analog Devices (ADI)
Mercedes Johnson holds 4,948 Analog Devices shares (0.00% of the company), worth about $2.1M at the last price, according to the Form 4 of Mar 11, 2026.
- Shares held: 4,948 (0.00%), $2.1M — Held in their own name.
Synopsys (SNPS)
Mercedes Johnson holds 2,843 Synopsys shares (0.00% of the company), worth about $1.4M at the last price, according to the Form 4 of Apr 16, 2026.
- Shares held: 2,390 (0.00%), $1.2M — Held through trusts (by Trust).
- Shares held: 453 (0.00%), $220,524.93 — Held in their own name.
Declarations
- Teradyne (TER) — Form 4 of Oct 1, 2026: open-market sale of 167 at $402.90; 8,073 shares after 0000904454-26-000502
- Teradyne (TER) — Form 4 of Sep 1, 2026: open-market sale of 167 at $341.30; 8,240 shares after 0000904454-26-000478
- Teradyne (TER) — Form 4 of Aug 3, 2026: open-market sale of 166 at $358.15; 8,407 shares after 0000904454-26-000430
- Teradyne (TER) — Form 4 of Jul 1, 2026: open-market sale of 167 at $460.00; 8,573 shares after 0000904454-26-000390
- Teradyne (TER) — Form 4 of Jun 2, 2026: open-market sale of 167 at $369.74; 8,740 shares after 0000904454-26-000330
- Teradyne (TER) — Form 4 of May 8, 2026: grant or award of 668; 8,907 shares after 0000904454-26-000274
- Synopsys (SNPS) — Form 4 of Apr 16, 2026: grant or award of 453; 2,843 shares after 0001225110-26-000006
- Teradyne (TER) — Form 4 of Apr 6, 2026: open-market sale of 625 at $312.20; 8,239 shares after 0000904454-26-000220
- Analog Devices (ADI) — Form 4 of Mar 11, 2026: grant or award of 747; 4,948 shares after 0001225110-26-000002
- Teradyne (TER) — Form 4 of Mar 5, 2026: open-market sale of 625 at $299.20; 8,864 shares after 0000904454-26-000165
- Teradyne (TER) — Form 4 of Feb 5, 2026: open-market sale of 625 at $266.98; 9,489 shares after 0000904454-26-000063
- Teradyne (TER) — Form 4 of Jan 5, 2026: open-market sale of 625 at $211.85; 10,114 shares after 0000904454-26-000003
- Teradyne (TER) — Form 4 of Dec 5, 2025: open-market sale of 625 at $200.00; 10,739 shares after 0000904454-25-000629
- Teradyne (TER) — Form 4 of Nov 5, 2025: open-market sale of 625 at $177.05; 11,364 shares after 0000904454-25-000562
- Teradyne (TER) — Form 4 of Oct 6, 2025: open-market sale of 625 at $147.90; 11,989 shares after 0000904454-25-000477
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.