William F. Kimble - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
William F. Kimble has filed 1 SEC Form 4 filing across 1 company in the last 90 days - selling. Lifetime open-market sales: $249K.
Profile
William F. Kimble holds the role of Director at NORTHERN OIL & GAS, INC. (N O G). Kimble's filing history also covers Liberty Energy Inc. (LBRT). Kimble has reported 7 insider filings with the SEC since 2024. The most recent filing was in July 2026.
| Role | Director |
|---|---|
| Notability | 40/100 |
Board memberships
- NORTHERN OIL & GAS, INC.
- Liberty Energy Inc.
Reported roles
- Director
- Chairman of the Board
Trading Pattern
InsiderAlpha's records for William F. Kimble go back to 2024: 7 primary Form 4 filings, an average of 2.3 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role William F. Kimble has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Chairman of the Board, Director at Liberty Energy Inc. (LBRT) - 1 filing, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-02 | - | NORTHERN OIL & GAS, INC. | A - Grant or award | 2.4K | $0.00 | |
| 2026-05-05 | LBRT | Liberty Energy Inc. | S - Open-market sale | 7.3K | $33.92 | $249K |
| 2026-04-01 | - | NORTHERN OIL & GAS, INC. | A - Grant or award | 1.5K | $0.00 | |
| 2025-09-30 | - | NORTHERN OIL & GAS, INC. | A - Grant or award | 1.8K | $0.00 | |
| 2025-06-30 | - | NORTHERN OIL & GAS, INC. | A - Grant or award | 1.5K | $0.00 | |
| 2025-03-31 | - | NORTHERN OIL & GAS, INC. | A - Grant or award | 1.4K | $0.00 | |
| 2024-10-02 | - | NORTHERN OIL & GAS, INC. | A - Grant or award | 1.2K | $0.00 |
Companies - Last 90 Days
- Liberty Energy Inc. (LBRT) - 1 filing, last 2026-05-05
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies William F. Kimble has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Michael Stock - $2.06M of LBRT open-market activity in the last 12 months
- R. Sean Elliott - $635K of LBRT open-market activity in the last 12 months
- Arjun N. Murti - $500K of LBRT open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Gregg Williams
- Stephen T. Wills
- WINMILL CO. INC
- Caroline Young
- Jeffrey Yu
- George Raymond Zage III
- Payam Zamani
- Mahkam Zanganeh
Frequently Asked Questions
Who is William F. Kimble?
William F. Kimble holds the role of Director at NORTHERN OIL & GAS, INC. (N O G). Kimble's filing history also covers Liberty Energy Inc. (LBRT). Kimble has reported 7 insider filings with the SEC since 2024. The most recent filing was in July 2026.…
How many SEC Form 4 filings has William F. Kimble submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has William F. Kimble been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($249K) across all tracked filings.
Where can I see all of William F. Kimble's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live William F. Kimble profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.