William F. Leimkuhler
William F. Leimkuhler: Director at Argan. What William F. Leimkuhler 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.
Argan (AGX)
William F. Leimkuhler holds 38,028 Argan shares (0.27% of the company), worth about $14.9M at the last price, according to the Form 4 of Jun 10, 2026.
- Shares held: 37,028 (0.26%), $14.5M — Held in their own name.
- Shares held: 1,000 (0.01%), $392,470.00 — Held through trusts (Self as Trustee for Elizabeth K Leimkuhler Trust, Self as Trustee for Emily K Leimkuhler Trust).
- Options: 51,500 (0.37%), $20.2M — The right to buy 51,500 shares at $71.75 each, until 2027. Not bought yet.
- Options: 41,500 (0.30%), $16.3M — The right to buy 41,500 shares at $46.35 each, until 2028. Not bought yet.
- Options: 31,500 (0.22%), $12.4M — The right to buy 31,500 shares at $41.19 each, until 2028. Not bought yet.
- Options: 21,500 (0.15%), $8.4M — The right to buy 21,500 shares at $40.15 each, until 2029. Not bought yet.
- Options: 11,500 (0.08%), $4.5M — The right to buy 11,500 shares at $45.75 each, until 2030. Not bought yet.
- Options: 6,500 (0.05%), $2.6M — The right to buy 6,500 shares at $37.13 each, until 2031. Not bought yet.
- Options: 1,500 (0.01%), $588,705.00 — The right to buy 1,500 shares at $35.72 each, until 2032. Not bought yet.
- Share units: 1,023 (0.01%), $401,496.81 — Argan promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- Argan (AGX) — Form 4 of Jun 10, 2026: option exercise or conversion of 533; 38,028 shares after 0001361943-26-000012
- Argan (AGX) — Form 4 of Apr 28, 2026: open-market sale of 5,000 at $617.41; open-market sale of 400 at $621.14; 37,495 shares after 0001361943-26-000010
- Argan (AGX) — Form 4 of Apr 13, 2026: open-market sale of 8,444 at $598.49; 41,495 shares after 0001361943-26-000008
- Argan (AGX) — Form 4 of Jan 16, 2026: open-market sale of 11,044 at $379.15; 49,939 shares after 0001361943-26-000006
- Argan (AGX) — Form 4 of Jan 13, 2026: open-market sale of 2,164 at $318.28; open-market sale of 4,212 at $320.53; 60,983 shares after 0001361943-26-000004
- Argan (AGX) — Form 4 of Jan 7, 2026: option exercise or conversion of 8,794 at $40.15; option exercise or conversion of 8,626 at $45.75; 67,359 shares after 0001361943-26-000002
- Argan (AGX) — Form 4 of Dec 23, 2025: open-market sale of 100 at $337.01; open-market sale of 100 at $337.93; 42,834 shares after 0001361943-25-000007
- Argan (AGX) — Form 4 of Dec 16, 2025: option exercise or conversion of 856; option exercise or conversion of 1,844; 41,534 shares after 0001361943-25-000005
- Argan (AGX) — Form 4 of Oct 1, 2025: open-market sale of 11,802 at $274.73; 38,834 shares after 0001361943-25-000003
- Argan (AGX) — Form 4 of Jun 30, 2025: open-market sale of 4,051 at $221.25; open-market sale of 7,604 at $222.03; 50,636 shares after 0001415889-25-018557
- Argan (AGX) — Form 4 of Jun 17, 2025 0001415889-25-017906
- Argan (AGX) — Form 4 of Jun 11, 2025: option exercise or conversion of 7,053 at $71.75; option exercise or conversion of 8,096 at $46.35; 64,291 shares after 0001415889-25-016655
- Argan (AGX) — Form 4 of Jan 21, 2025: option exercise or conversion of 8,345 at $30.44; 48,789 shares after 0001415889-25-001851
- Argan (AGX) — Form 4 of Dec 14, 2024: option exercise or conversion of 1,757; option exercise or conversion of 835; 40,444 shares after 0001415889-24-029503
- Argan (AGX) — Form 4 of Sep 23, 2024: open-market sale of 10,000 at $96.20; 37,852 shares after 0001361943-24-000004
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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