Chantelle Yvette Breithaupt
Chantelle Yvette Breithaupt: Senior Vice President, CFO at Arista Networks and Director at Ambarella. What Chantelle Yvette Breithaupt holds in 2 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.
Arista Networks (ANET)
Chantelle Yvette Breithaupt holds 69,921 Arista Networks shares (0.01% of the company), worth about $14.5M at the last price, according to the Form 4 of Sep 1, 2026.
- Shares held: 69,921 (0.01%), $14.5M — Held in their own name.
- Share units: 133,304 (0.01%), $27.7M — Arista Networks promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Ambarella (AMBA)
Chantelle Yvette Breithaupt holds 8,091 Ambarella shares (0.02% of the company), worth about $549,217.08 at the last price, according to the Form 4 of Sep 8, 2026.
- Shares held: 8,091 (0.02%), $549,217.08 — Held in their own name.
Declarations
- Ambarella (AMBA) — Form 4 of Sep 8, 2026: grant or award of 3,151; 8,091 shares after 0001280263-26-000061
- Arista Networks (ANET) — Form 4 of Sep 1, 2026 (Senior Vice President, CFO): open-market sale of 612 at $195.77; 69,921 shares after 0001596532-26-000222
- Arista Networks (ANET) — Form 4 of Aug 20, 2026 (Senior Vice President, CFO): option exercise or conversion of 10,920; option exercise or conversion of 1,350; 70,533 shares after 0001596532-26-000209
- Arista Networks (ANET) — Form 4 of May 26, 2026 (Senior Vice President, CFO): open-market sale of 2,448 at $157.00; 64,408 shares after 0001596532-26-000114
- Arista Networks (ANET) — Form 4 of May 20, 2026 (Senior Vice President, CFO): option exercise or conversion of 10,916; option exercise or conversion of 1,350; 66,856 shares after 0001596532-26-000098
- Arista Networks (ANET) — Form 4 of Apr 14, 2026 (Senior Vice President, CFO): open-market sale of 8,890 at $155.02; 60,734 shares after 0001596532-26-000056
- Arista Networks (ANET) — Form 4 of Feb 20, 2026 (Senior Vice President, CFO): option exercise or conversion of 10,920; option exercise or conversion of 15,864; 69,624 shares after 0001596532-26-000027
- Arista Networks (ANET) — Form 4 of Feb 13, 2026 (Senior Vice President, CFO) 0001596532-26-000015
- Arista Networks (ANET) — Form 4 of Nov 20, 2025 (Senior Vice President, CFO): option exercise or conversion of 10,916; shares withheld for tax of 5,457 at $124.81; 47,395 shares after 0001596532-25-000310
- Ambarella (AMBA) — Form 4 of Sep 2, 2025: grant or award of 2,498; 4,940 shares after 0001280263-25-000045
- Arista Networks (ANET) — Form 4 of Aug 20, 2025 (Senior Vice President, CFO): option exercise or conversion of 10,920; shares withheld for tax of 5,455 at $132.78; 41,936 shares after 0001596532-25-000246
- Arista Networks (ANET) — Form 4 of May 20, 2025 (Senior Vice President, CFO): option exercise or conversion of 10,916; shares withheld for tax of 5,478 at $96.70; 36,471 shares after 0001596532-25-000129
- Arista Networks (ANET) — Form 4 of May 9, 2025 (Senior Vice President, CFO) 0001596532-25-000110
- Ambarella (AMBA) — Form 3 of Feb 25, 2025; 2,442 shares after 0001280263-25-000009
- Arista Networks (ANET) — Form 4 of Feb 20, 2025 (Senior Vice President, CFO): option exercise or conversion of 43,668; option exercise or conversion of 15,856; 31,033 shares after 0001596532-25-000048
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.