As of March 23, 2026, the three largest insider holders of NOV are Clay C Williams (Chairman, President And Ceo, 1.61Mn shares), Jose A Bayardo (Chairman, President, And Ceo, 750.67K shares), Joseph W Rovig (President Energy Equipment, 266.83K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Clay C Williams | Chairman, President And Ceo | 1,608,855 | 0 | 24 Feb, 2025 |
| Jose A Bayardo | Chairman, President, And Ceo | 750,673 | 0 | 25 Feb, 2026 |
| Joseph W Rovig | President Energy Equipment | 266,830 | 0 | 25 Feb, 2026 |
| Kirk M. Shelton | See Remarks | 262,683 | 0 | 28 Feb, 2023 |
| Craig L. Weinstock | Sr. Vp. Gen. Counsel | 253,757 | 0 | 25 Feb, 2026 |
| Isaac H. Joseph | See Remarks | 220,829 | 0 | 28 Feb, 2023 |
| Rodney C. Reed | Senior Vp And Cfo | 170,792 | 0 | 25 Feb, 2026 |
| Ben A Guill | 163,840 | 0 | 22 May, 2025 | |
| David D Harrison | 126,900 | 0 | 22 May, 2025 | |
| Scott B. Livingston | See Remarks | 118,213 | 0 | 25 Feb, 2026 |
| Greg L Armstrong | 111,143 | 0 | 22 May, 2025 | |
| Christy Lynn Novak | Vp, Corp. Controller, Cao | 103,430 | 0 | 25 Feb, 2026 |
| Marcela E Donadio | 97,425 | 0 | 22 May, 2025 | |
| William R. Thomas | 91,709 | 0 | 22 May, 2025 | |
| Christian S Kendall | 85,949 | 0 | 24 Nov, 2025 | |
| Eric L Mattson | 70,835 | 0 | 22 May, 2025 | |
| James T Hackett | 70,616 | 0 | 03 Jan, 2023 | |
| Robert S. Welborn | 45,972 | 0 | 22 May, 2025 | |
| Melody B Meyer | 43,402 | 0 | 26 May, 2022 | |
| Patricia Martinez | 25,499 | 0 | 22 May, 2025 | |
| Patricia B Melcher | 25,499 | 0 | 22 May, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 23 Feb, 2026 | Christy Lynn Novak | Common Stock | D | 3,843 | $20.28 | 103,430 | D | F |
| 23 Feb, 2026 | Joseph W Rovig | Common Stock | D | 2,864 | $20.28 | 266,830 | D | F |
| 23 Feb, 2026 | Scott B. Livingston | Common Stock | D | 1,259 | $20.28 | 118,213 | D | F |
| 23 Feb, 2026 | Craig L. Weinstock | Common Stock | D | 2,562 | $20.28 | 253,757 | D | F |
| 23 Feb, 2026 | Jose A Bayardo | Common Stock | D | 4,220 | $20.28 | 750,673 | D | F |
| 23 Feb, 2026 | Rodney C. Reed | Common Stock | D | 2,035 | $20.28 | 170,792 | D | F |
| 23 Feb, 2026 | Joseph W Rovig | Common Stock | A | 79,086 | $15.00 | 348,780 | D | M |
| 23 Feb, 2026 | Craig L. Weinstock | Common Stock | A | 20,000 | $15.00 | 296,319 | D | M |
| 23 Feb, 2026 | Joseph W Rovig | Common Stock | A | 72,000 | $16.73 | 420,780 | D | M |
| 23 Feb, 2026 | Craig L. Weinstock | Common Stock | A | 30,000 | $15.00 | 326,319 | D | M |
| 23 Feb, 2026 | Craig L. Weinstock | Common Stock | D | 20,000 | $20.32 | 306,319 | D | S |
| 23 Feb, 2026 | Joseph W Rovig | Common Stock | D | 151,086 | $20.17 | 269,694 | D | S |
| 23 Feb, 2026 | Craig L. Weinstock | Common Stock | D | 30,000 | $20.00 | 276,319 | D | S |
| 23 Feb, 2026 | Craig L. Weinstock | Common Stock | D | 10,495 | $19.94 | 265,824 | D | S |
| 23 Feb, 2026 | Joseph W Rovig | Non-Qualified Stock Option (right to buy) | D | 79,086 | $0.00 | 0 | D | M |
| 23 Feb, 2026 | Craig L. Weinstock | Common Stock | D | 9,505 | $19.95 | 256,319 | D | S |
| 23 Feb, 2026 | Joseph W Rovig | Non-Qualified Stock Option (right to buy) | D | 72,000 | $0.00 | 0 | D | M |
| 23 Feb, 2026 | Craig L. Weinstock | Non-Qualified Stock Option (right to buy) | D | 20,000 | $0.00 | 51,178 | D | M |
| 23 Feb, 2026 | Craig L. Weinstock | Non-Qualified Stock Option (right to buy) | D | 30,000 | $0.00 | 21,178 | D | M |
| 19 Feb, 2026 | Craig L. Weinstock | Common Stock | D | 5,838 | $20.24 | 276,319 | D | F |