Michael Giresi
Michael Giresi: Chief Information Officer at Vertiv. What Michael Giresi 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.
Vertiv (VRT)
Michael Giresi holds 1,600 Vertiv shares (0.00% of the company), worth about $407,627.62 at the last price, according to the Form 4 of Jan 15, 2026.
- Shares held: 1,581 (0.00%), $402,807.18 — Held in their own name: 1,581 Class A.
- Shares held: 19 (0.00%), $4,820.44 — Held in a retirement account (By 401(k) plan): 19 Class A.
- Options: 7,985 (0.00%), $2.0M — The right to buy 7,985 shares at $241.78 each, until 2036. Not bought yet.
- Options: 6,657 (0.00%), $1.7M — The right to buy 6,657 shares at $128.41 each, until 2035. Not bought yet.
Declarations
- Vertiv (VRT) — Form 4 of Mar 6, 2026 (Chief Information Officer) 0001628280-26-016480
- Vertiv (VRT) — Form 4 of Jan 15, 2026 (Chief Information Officer): shares withheld for tax of 1,363 at $172.54; 1,600 shares after 0002072021-26-000002
- Vertiv (VRT) — Form 4 of Dec 18, 2025 (Chief Information Officer): grant or award of 1; 2,964 shares after 0002072021-25-000004
- Vertiv (VRT) — Form 4 of Sep 25, 2025 (Chief Information Officer): grant or award of 1; 2,944 shares after 0002072021-25-000002
- Vertiv (VRT) — Form 4/A of Jun 30, 2025 (Chief Information Officer) 0001628280-25-033983
- Vertiv (VRT) — Form 4 of Jun 30, 2025 (Chief Information Officer): grant or award of 2,943 at $128.41; 2,943 shares after 0001628280-25-033767
- Vertiv (VRT) — Form 3 of Jun 30, 2025 (Chief Information Officer); 0 shares after 0001628280-25-033504
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.