Sung Yoon
Sung Yoon: SVP at Keysight Technologies. What Sung Yoon 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.
Keysight Technologies (KEYS)
Sung Yoon holds 16,453 Keysight Technologies shares (0.01% of the company), worth about $5.5M at the last price, according to the Form 4 of Dec 30, 2025.
- Shares held: 16,453 (0.01%), $5.5M — Held in their own name.
Declarations
- Keysight Technologies (KEYS) — Form 4 of Dec 30, 2025 (SVP): open-market sale of 889 at $206.66; gift of 500; 16,453 shares after 0002042355-26-000002
- Keysight Technologies (KEYS) — Form 4 of Dec 11, 2025 (SVP): shares withheld for tax of 152 at $201.40; 17,842 shares after 0002042355-25-000008
- Keysight Technologies (KEYS) — Form 4 of Nov 20, 2025 (SVP): grant or award of 507; shares withheld for tax of 24 at $174.61; 17,994 shares after 0002042355-25-000006
- Keysight Technologies (KEYS) — Form 4 of Nov 17, 2025 (SVP): shares withheld for tax of 65 at $179.06; shares withheld for tax of 37 at $179.06; 11,267 shares after 0002042355-25-000004
- Keysight Technologies (KEYS) — Form 4 of Dec 10, 2024 (SVP): shares withheld for tax of 81 at $172.26; 11,242 shares after 0001601046-24-000149
- Keysight Technologies (KEYS) — Form 4 of Nov 24, 2024 (SVP): shares withheld for tax of 46 at $170.28; 11,323 shares after 0001601046-24-000125
- Keysight Technologies (KEYS) — Form 4 of Nov 20, 2024 (SVP): grant or award of 584; shares withheld for tax of 28 at $165.48; 11,369 shares after 0001601046-24-000113
- Keysight Technologies (KEYS) — Form 4 of Nov 17, 2024 (SVP): shares withheld for tax of 65 at $149.37; shares withheld for tax of 37 at $149.37; 7,381 shares after 0001601046-24-000095
- Keysight Technologies (KEYS) — Form 3 of Nov 1, 2024 (SVP); 6,310 shares after 0001601046-24-000069
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.
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