McMillen Charles Thomas — SEC Form 4 filings
SEC reporting owner CIK 1332108. 22 Form 4 filings on record with FilingPulse; latest filed 2026-06-09.
Transaction summary — filings shown
Covers all 22 filings on record, filed 2024-03-14 to 2026-06-09. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 12 legs across 12 filings — 96,900 shares, $2,006,858 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 26.
- Largest priced transaction: sale of 2,000 shares @ $169.51 ($339,027) in NEXSTAR MEDIA GROUP, INC., filed 2025-03-05.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| NEXSTAR MEDIA GROUP, INC. (NXST) | Director | 16 | — | 10 legs · 11,900 sh · $1,941,630 | 19 |
| Castellum, Inc. (CTM) | Director | 6 | — | 2 legs · 85,000 sh · $65,228 | 7 |
Form 4 filings — McMillen Charles Thomas
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-09 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Sale (S): 1,000 @ $180 | EDGAR |
| 2026-03-27 | 4 | Castellum, Inc. (CTM) | Sale (S): 30,000 @ $0.70 | EDGAR |
| 2026-03-25 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Option exercise (M): 1,123 @ $0 · Option exercise (M): 1,123 (derivative) @ $0 | EDGAR |
| 2026-03-20 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Grant/award (A): 905 (derivative) @ $0 | EDGAR |
| 2026-03-20 | 4 | Castellum, Inc. (CTM) | Sale (S): 55,000 @ $0.80 | EDGAR |
| 2025-11-13 | 4 | Castellum, Inc. (CTM) | Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
| 2025-08-21 | 4 | Castellum, Inc. (CTM) | Option exercise (M): 125,000 @ $0.21 · Option exercise (M): 125,000 (derivative) @ $0.21 | EDGAR |
| 2025-03-28 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Sale (S): 1,000 @ $151.73 | EDGAR |
| 2025-03-24 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Option exercise (M): 1,560 @ $0 · Option exercise (M): 1,560 (derivative) @ $0 · Grant/award (A): 1,123 (derivative) @ $0 | EDGAR |
| 2025-03-05 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Sale (S): 2,000 @ $169.51 | EDGAR |
| 2025-01-03 | 4 | Castellum, Inc. (CTM) | Option exercise (M): 100,028 @ $0.21 · Option exercise (M): 110,028 (derivative) @ $0.21 · Tax withholding (F): 14,972 (derivative) @ $0.21 | EDGAR |
| 2024-12-27 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Sale (S): 750 @ $159.93 | EDGAR |
| 2024-09-26 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Sale (S): 250 @ $164.44 | EDGAR |
| 2024-09-12 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Sale (S): 1,000 @ $160 | EDGAR |
| 2024-07-03 | 4 | Castellum, Inc. (CTM) | Grant/award (A): 250,000 (derivative) | EDGAR |
| 2024-06-13 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Option exercise (M): 2,500 @ $52.54 · Sale (S): 1,475 @ $154.99 · Option exercise (M): 2,500 (derivative) @ $0 | EDGAR |
| 2024-06-11 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Option exercise (M): 750 @ $153.82 · Option exercise (M): 750 (derivative) @ $0 | EDGAR |
| 2024-06-06 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Option exercise (M): 2,500 @ $52.54 · Sale (S): 1,475 @ $156.87 · Option exercise (M): 2,500 (derivative) @ $0 | EDGAR |
| 2024-05-23 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Option exercise (M): 2,500 @ $52.54 · Sale (S): 1,475 @ $166.08 · Option exercise (M): 2,500 (derivative) @ $0 | EDGAR |
| 2024-04-12 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Option exercise (M): 625 @ $162.95 · Option exercise (M): 625 (derivative) @ $0 | EDGAR |
| 2024-03-21 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Grant/award (A): 1,560 (derivative) @ $0 | EDGAR |
| 2024-03-14 | 4 | NEXSTAR MEDIA GROUP, INC. (NXST) | Option exercise (M): 2,500 @ $52.54 · Sale (S): 1,475 @ $166.00 · Option exercise (M): 2,500 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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