← United States · Coverage record
US · SEC FORM 4
NOV Inc.
NOV · NYSE · CIK 0001021860 · Energy · Oil & Gas Equipment & Services
INSIDER SIGNAL
0 qualifying P purchase groups
in the current 180-day scoring window
9 Form 4 transaction lines observed in the same window
1 sales · 8 option, withholding, award, gift or other lines
WHY NO ACTIVE SIGNAL?
Score anatomy
No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.
Why is there no score?
- No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
- Sales and other Form 4 activity remain visible as context and do not create a negative score.
Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.
Insider activity timeline
Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.
Showing the six most active owners; 2 additional owner(s) remain in Form 4 evidence.
Purchase breadth, concentration & cluster buying
These modules activate when qualifying purchases enter the 180-day research window.
SIGNAL HISTORY
Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2025-11-21 · Kendall Christian S.
Recent Form 4 activity
P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.
Market context
Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.
Short interest
Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.
- Shares short
- 26,671,410
- Previous report
- 27,383,146
- Avg daily volume
- 3,539,251
- Days to cover
- 7.5
FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.
Historical equity purchases
Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.
| Transaction date | Reporting owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2025-11-21 | Kendall Christian S | Purchase (P) | Common Stock | 70,000 | USD 14.46 | USD 1,012,200 | SEC filing ↗ |
| 2020-03-18 | Bayardo Jose A | Purchase (P) | Common Stock | 8,500 | USD 8.24 | USD 70,005 | SEC filing ↗ |
| 2020-03-16 | Bayardo Jose A | Purchase (P) | Common Stock | 11,500 | USD 8.85 | USD 101,775 | SEC filing ↗ |
Form 4 evidence
57 transaction lines in the latest 365-day window; 335 in local history.
| Date | Owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2026-07-31 | HARRISON DAVID D | Sale (S) | Common Stock | 9,594 | USD 19.21 | USD 184,301 | SEC filing ↗ |
| 2026-05-20 | Welborn Robert S. | Award / grant (A) | Common Stock | 9,457 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-05-20 | Thomas William R. | Award / grant (A) | Common Stock | 9,457 | USD 0.00 | USD 0 | SEC filing ↗ |
Show recent Form 4 evidence (30 grouped rows)
| Date | Owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2026-07-31 | HARRISON DAVID D | Sale (S) | Common Stock | 9,594 | USD 19.21 | USD 184,301 | SEC filing ↗ |
| 2026-05-20 | Welborn Robert S. | Award / grant (A) | Common Stock | 9,457 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-05-20 | Thomas William R. | Award / grant (A) | Common Stock | 9,457 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-05-20 | Martinez Patricia | Award / grant (A) | Common Stock | 9,457 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-05-20 | MELCHER PATRICIA B | Award / grant (A) | Common Stock | 9,457 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-05-20 | Kendall Christian S | Award / grant (A) | Common Stock | 9,457 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-05-20 | HARRISON DAVID D | Award / grant (A) | Common Stock | 9,457 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-05-20 | Donadio Marcela E | Award / grant (A) | Common Stock | 9,457 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-05-20 | Chowbey Sanjay | Award / grant (A) | Common Stock | 9,457 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-03-20 | Reed Rodney C. | Tax withholding (F) | Common Stock | 4,995 | USD 18.68 | USD 93,307 | SEC filing ↗ |
| 2026-03-20 | Novak Christy Lynn | Tax withholding (F) | Common Stock | 869 | USD 18.68 | USD 16,233 | SEC filing ↗ |
| 2026-03-20 | Bayardo Jose A | Tax withholding (F) | Common Stock | 4,995 | USD 18.68 | USD 93,307 | SEC filing ↗ |
| 2026-02-23 | Weinstock Craig L. | Tax withholding (F) | Common Stock | 2,562 | USD 20.28 | USD 51,957 | SEC filing ↗ |
| 2026-02-23 | Rovig Joseph W | Tax withholding (F) | Common Stock | 2,864 | USD 20.28 | USD 58,082 | SEC filing ↗ |
| 2026-02-23 | Reed Rodney C. | Tax withholding (F) | Common Stock | 2,035 | USD 20.28 | USD 41,270 | SEC filing ↗ |
| 2026-02-23 | Novak Christy Lynn | Tax withholding (F) | Common Stock | 3,843 | USD 20.28 | USD 77,936 | SEC filing ↗ |
| 2026-02-23 | Livingston Scott B. | Tax withholding (F) | Common Stock | 1,259 | USD 20.28 | USD 25,533 | SEC filing ↗ |
| 2026-02-23 | Bayardo Jose A | Tax withholding (F) | Common Stock | 4,220 | USD 20.28 | USD 85,582 | SEC filing ↗ |
| 2026-02-23 | Weinstock Craig L. | Sale (S) | Common Stock | 70,000 | USD 20.08 | USD 1,405,295 | SEC filing ↗ |
| 2026-02-23 | Weinstock Craig L. | Option exercise / conversion (M) | Common Stock | 50,000 | USD 15.00 | USD 750,000 | SEC filing ↗ |
| 2026-02-23 | Rovig Joseph W | Sale (S) | Common Stock | 151,086 | USD 20.17 | USD 3,047,405 | SEC filing ↗ |
| 2026-02-23 | Rovig Joseph W | Option exercise / conversion (M) | Common Stock | 151,086 | USD 15.82 | USD 2,390,850 | SEC filing ↗ |
| 2026-02-19 | Weinstock Craig L. | Tax withholding (F) | Common Stock | 5,838 | USD 20.24 | USD 118,161 | SEC filing ↗ |
| 2026-02-19 | Rovig Joseph W | Tax withholding (F) | Common Stock | 6,525 | USD 20.24 | USD 132,066 | SEC filing ↗ |
| 2026-02-19 | Reed Rodney C. | Tax withholding (F) | Common Stock | 3,477 | USD 20.24 | USD 70,374 | SEC filing ↗ |
| 2026-02-19 | Novak Christy Lynn | Tax withholding (F) | Common Stock | 6,568 | USD 20.24 | USD 132,936 | SEC filing ↗ |
| 2026-02-19 | Livingston Scott B. | Tax withholding (F) | Common Stock | 3,188 | USD 20.24 | USD 64,525 | SEC filing ↗ |
| 2026-02-19 | Bayardo Jose A | Tax withholding (F) | Common Stock | 9,615 | USD 20.24 | USD 194,608 | SEC filing ↗ |
| 2026-02-18 | Weinstock Craig L. | Tax withholding (F) | Common Stock | 13,223 | USD 19.99 | USD 264,328 | SEC filing ↗ |
| 2026-02-18 | Weinstock Craig L. | Award / grant (A) | Common Stock | 63,367 | USD 0.00 | USD 0 | SEC filing ↗ |
Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.
Snapshot & identity
| Snapshot date | 2026-10-18 |
|---|---|
| Ranking version | US-v1.2 |
| Data quality | PASS ELIGIBLE · — |
| Ticker | NOV |
| CIK | 0001021860 |
| Sector | Energy |
| Industry | Oil & Gas Equipment & Services Yahoo Finance |
| SEC SIC | 3533 Oil & Gas Field Machinery & Equipment |
| Exchange | NYSE |
Data coverage
| Local Form 4 history | 335 transaction lines from 2020-02-12 to 2026-07-31 6 P purchase lines · 28 S sale lines · 301 other lines |
|---|---|
| SEC company submissions | Open SEC filings ↗ |
Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.