John Kober
John Kober: Senior VP and CFO at MACOM. What John Kober 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.
MACOM (MTSI)
John Kober holds 33,583 MACOM shares (0.04% of the company), worth about $10.5M at the last price, according to the Form 4 of Aug 17, 2026.
- Shares held: 33,583 (0.04%), $10.5M — Held in their own name.
Declarations
- MACOM (MTSI) — Form 4 of Aug 17, 2026 (Senior VP and CFO): open-market sale of 1,590 at $320.57; open-market sale of 400 at $323.97; 33,583 shares after 0000904454-26-000468
- MACOM (MTSI) — Form 4 of May 18, 2026 (Senior VP and CFO): grant or award of 108 at $138.13; open-market sale of 500 at $352.79; 40,972 shares after 0000904454-26-000312
- MACOM (MTSI) — Form 4 of Feb 17, 2026 (Senior VP and CFO): open-market sale of 200 at $236.42; open-market sale of 300 at $237.68; 48,508 shares after 0000904454-26-000121
- MACOM (MTSI) — Form 4 of Nov 14, 2025 (Senior VP and CFO): grant or award of 64 at $104.94; 55,704 shares after 0000904454-25-000607
- MACOM (MTSI) — Form 4 of Nov 10, 2025 (Senior VP and CFO): open-market sale of 972 at $175.63; 55,640 shares after 0000904454-25-000591
- MACOM (MTSI) — Form 4 of Nov 8, 2025 (Senior VP and CFO): grant or award of 50,400; shares withheld for tax of 22,081 at $166.92; 56,612 shares after 0000904454-25-000574
- MACOM (MTSI) — Form 4 of Oct 28, 2025 (Senior VP and CFO): grant or award of 3,994; 47,574 shares after 0000904454-25-000537
- MACOM (MTSI) — Form 4 of Oct 28, 2025 (Senior VP and CFO): shares withheld for tax of 623 at $146.39; open-market sale of 797 at $145.10; 43,580 shares after 0000904454-25-000528
- MACOM (MTSI) — Form 4 of Oct 23, 2025 (Senior VP and CFO): shares withheld for tax of 428 at $139.31; 45,700 shares after 0000904454-25-000518
- MACOM (MTSI) — Form 4 of Aug 8, 2025 (Senior VP and CFO): open-market sale of 1,000 at $123.40; 46,128 shares after 0000904454-25-000408
- MACOM (MTSI) — Form 4 of May 29, 2025 (Senior VP and CFO): open-market sale of 2,250 at $125.65; 47,128 shares after 0000904454-25-000296
- MACOM (MTSI) — Form 4 of May 16, 2025 (Senior VP and CFO): grant or award of 139 at $104.55; 49,378 shares after 0000904454-25-000290
- MACOM (MTSI) — Form 4 of Jan 2, 2025 (Senior VP and CFO): open-market sale of 1,425 at $129.65; open-market sale of 800 at $130.81; 49,239 shares after 0000904454-25-000009
- MACOM (MTSI) — Form 4 of Nov 20, 2024 (Senior VP and CFO): open-market sale of 5,261 at $126.12; open-market sale of 11,544 at $127.06; 51,489 shares after 0000904454-24-000623
- MACOM (MTSI) — Form 4 of Nov 8, 2024 (Senior VP and CFO): grant or award of 45,220; shares withheld for tax of 19,735 at $139.14; 70,875 shares after 0000904454-24-000596
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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