Kathleen M. Holmgren

Kathleen M. Holmgren: Director at Extreme Networks. What Kathleen M. Holmgren 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.

Extreme Networks (EXTR)

Kathleen M. Holmgren holds 219,308 Extreme Networks shares (0.17% of the company), worth about $5.2M at the last price, according to the Form 4 of May 15, 2026.

• Shares held: 219,308 (0.17%), $5.2M — Held through trusts (By Trust).
• Share units: 11,767 (0.01%), $278,936.74 — Extreme Networks promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.

Declarations

• Extreme Networks (EXTR) — Form 4 of May 15, 2026: open-market sale of 19,521 at $24.78; 219,308 shares after 0001437749-26-017616
• Extreme Networks (EXTR) — Form 4 of Nov 12, 2025: option exercise or conversion of 13,354; 238,829 shares after 0001437749-25-034936
• Extreme Networks (EXTR) — Form 4 of Nov 14, 2024 0001437749-24-035658
• Extreme Networks (EXTR) — Form 4 of Nov 8, 2024: option exercise or conversion of 12,975; 225,475 shares after 0001437749-24-034541

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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