Occidental Petroleum Corporation (OXY) has 20 known insider and institutional holders on record. The largest holder is BERKSHIRE HATHAWAY INC with 264,941,431 shares. Other notable holders include BUFFETT WARREN E and ICAHN CARL C.
Over the last 12 months, insiders have made 35 transactions in OXY stock — 16 buys (valued at $194.9K) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
OXY Insider Ownership
Top Holder
BERKSHIRE HATHAWAY INC
264,941,431 shares
Buys (12 mo)
16
$194.9K value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Berkshire Hathaway Inc |
10 Percent Owner |
264,941,431 |
2025-02-11 |
|
| 2 |
Buffett Warren E |
Director |
187,980,991 |
2022-08-08 |
|
| 3 |
Icahn Carl C |
10 Percent Owner |
77,127,271 |
2021-04-07 |
|
| 4 |
Hollub Vicki A. |
President and CEO |
1,014,608 |
2026-03-03 |
|
| 5 |
Dillon Kenneth |
Senior Vice President |
344,318 |
2026-03-03 |
|
| 6 |
Simmons Jeff F |
Senior Vice President |
308,611 |
2026-03-03 |
|
| 7 |
Jackson Richard A. |
Senior Vice President and COO |
299,816 |
2026-03-03 |
|
| 8 |
Chazen Stephen I |
Director |
293,777 |
2022-05-11 |
|
| 9 |
Peterson Robert L |
Senior Vice President |
289,084 |
2026-03-03 |
|
| 10 |
Klesse William R |
Director |
218,913 |
2025-12-17 |
|
| 11 |
Mathew Sunil |
SVP & CFO |
202,363 |
2026-03-03 |
|
| 12 |
Lowe Edward A. |
Executive Vice President |
202,349 |
2020-03-03 |
|
| 13 |
Backus Marcia E. |
SVP, Gc & Cco |
150,792 |
2022-03-02 |
|
| 14 |
Kerrigan Sylvia J |
SVP & Chief Legal Officer |
130,533 |
2026-03-03 |
|
| 15 |
Bennett Peter J. |
Vice President |
130,514 |
2024-03-01 |
|
| 16 |
Champion Christopher O |
VP, CAO and Controller |
130,439 |
2026-03-03 |
|
| 17 |
Burgher Cedric W. |
SVP & CFO |
118,864 |
2020-03-03 |
|
| 18 |
Vangolen Glenn M. |
SVP - Business Support |
110,140 |
2020-03-03 |
|
| 19 |
Poladian Avedick Baruyr |
Director |
90,426 |
2025-05-07 |
|
| 20 |
Gutierrez Carlos M |
Director |
78,917 |
2026-02-24 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-01 |
Mathew Sunil |
SVP & CFO |
RSU Award |
26,376 |
- |
- |
| 2026-02-28 |
Mathew Sunil |
SVP & CFO |
Tax Withholding of RSU |
9,732 |
$53.08 |
$516.57K |
| 2026-03-01 |
Simmons Jeff F |
Senior Vice President |
RSU Award |
24,115 |
- |
- |
| 2026-02-28 |
Simmons Jeff F |
Senior Vice President |
Tax Withholding of RSU |
9,436 |
$53.08 |
$500.86K |
| 2026-03-01 |
Jackson Richard A. |
Senior Vice President and COO |
RSU Award |
37,679 |
- |
- |
| 2026-02-28 |
Jackson Richard A. |
Senior Vice President and COO |
Tax Withholding of RSU |
10,131 |
$53.08 |
$537.75K |
| 2026-03-01 |
Peterson Robert L |
Senior Vice President |
RSU Award |
24,115 |
- |
- |
| 2026-02-28 |
Peterson Robert L |
Senior Vice President |
Tax Withholding of RSU |
8,988 |
$53.08 |
$477.08K |
| 2026-03-01 |
Dillon Kenneth |
Senior Vice President |
RSU Award |
27,883 |
- |
- |
| 2026-02-28 |
Dillon Kenneth |
Senior Vice President |
Tax Withholding of RSU |
10,131 |
$53.08 |
$537.75K |
| 2026-03-01 |
Champion Christopher O |
VP, CAO and Controller |
RSU Award |
13,565 |
- |
- |
| 2026-02-28 |
Champion Christopher O |
VP, CAO and Controller |
Tax Withholding of RSU |
4,970 |
$53.08 |
$263.81K |
| 2026-03-01 |
Hollub Vicki A. |
President and CEO |
RSU Award |
94,198 |
- |
- |
| 2026-02-28 |
Hollub Vicki A. |
President and CEO |
Tax Withholding of RSU |
33,136 |
$53.08 |
$1.76M |
| 2026-03-01 |
Kerrigan Sylvia J |
SVP & Chief Legal Officer |
RSU Award |
48,983 |
- |
- |
| 2026-02-28 |
Kerrigan Sylvia J |
SVP & Chief Legal Officer |
Tax Withholding of RSU |
18,304 |
$53.08 |
$971.58K |
| 2026-02-23 |
Gutierrez Carlos M |
Director |
Gift (Received) |
3,656 |
- |
- |
| 2026-02-18 |
Jackson Richard A. |
Senior Vice President and COO |
Tax Withholding of RSU |
7,268 |
$47.11 |
$342.4K |
| 2026-02-18 |
Peterson Robert L |
Senior Vice President |
Tax Withholding of RSU |
6,655 |
$47.11 |
$313.52K |
| 2026-02-18 |
Dillon Kenneth |
Senior Vice President |
Tax Withholding of RSU |
7,264 |
$47.11 |
$342.21K |
| 2026-02-18 |
Champion Christopher O |
VP, CAO and Controller |
Tax Withholding of RSU |
3,712 |
$47.11 |
$174.87K |
| 2026-02-18 |
Hollub Vicki A. |
President and CEO |
Tax Withholding of RSU |
23,265 |
$47.11 |
$1.1M |
| 2025-12-16 |
Klesse William R |
Director |
Informative Buy |
5,000 |
$38.98 |
$194.9K |
| 2025-10-01 |
Jackson Richard A. |
Senior Vice President and COO |
RSU Award |
31,434 |
- |
- |
| 2025-10-02 |
Kerrigan Sylvia J |
SVP & Chief Legal Officer |
Tax Withholding of RSU |
5,324 |
$44.23 |
$235.48K |
