Peter Herweck
Peter Herweck: Director at Teradyne. What Peter Herweck holds in an AI or semiconductor company 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)
Peter Herweck holds 16,282 Teradyne shares (0.01% of the company), worth about $6.2M at the last price, according to the Form 4 of Sep 25, 2026.
- Shares held: 16,282 (0.01%), $6.2M — Held in their own name.
Declarations
- Teradyne (TER) — Form 4 of Sep 25, 2026: grant or award of 77; other of 4; 16,282 shares after 0000904454-26-000498
- Teradyne (TER) — Form 4 of Jun 25, 2026: grant or award of 63; 16,201 shares after 0000904454-26-000381
- Teradyne (TER) — Form 4 of Jun 12, 2026: other of 4; 16,138 shares after 0000904454-26-000356
- Teradyne (TER) — Form 4 of May 8, 2026: grant or award of 668; 16,134 shares after 0000904454-26-000276
- Teradyne (TER) — Form 4 of Mar 26, 2026: grant or award of 92; 15,466 shares after 0000904454-26-000210
- Teradyne (TER) — Form 4 of Mar 13, 2026: other of 5; 15,374 shares after 0000904454-26-000184
- Teradyne (TER) — Form 4 of Dec 17, 2025: grant or award of 148; other of 7; 15,369 shares after 0000904454-25-000638
- Teradyne (TER) — Form 4 of Sep 29, 2025: other of 9; 15,214 shares after 0000904454-25-000466
- Teradyne (TER) — Form 4 of Sep 25, 2025: grant or award of 206; 15,205 shares after 0000904454-25-000459
- Teradyne (TER) — Form 4 of Jun 26, 2025: grant or award of 302; 14,999 shares after 0000904454-25-000346
- Teradyne (TER) — Form 4 of Jun 13, 2025: other of 15; 14,697 shares after 0000904454-25-000324
- Teradyne (TER) — Form 4 of May 9, 2025: grant or award of 2,971; 14,682 shares after 0000904454-25-000261
- Teradyne (TER) — Form 4 of Mar 27, 2025: grant or award of 320; 11,711 shares after 0000904454-25-000210
- Teradyne (TER) — Form 4 of Mar 14, 2025: other of 11; 11,391 shares after 0000904454-25-000198
- Teradyne (TER) — Form 4 of Dec 18, 2024: grant or award of 222; other of 8; 11,380 shares after 0000904454-24-000655
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.
All holders · Who owns each AI company · All tracked companies · The AI market