| 2023 | 1 | 0 | $0 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 0 | $0 | - | - |
| 2022 | 1 | 3 | $5,631,982 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,631,982 | - | - |
| 2021 | 1 | 3 | $5,626,418 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,626,418 | - | - |
| 2020 | 1 | 3 | $5,996,534 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,996,534 | - | - |
| 2019 | 1 | 3 | $5,304,168 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,304,168 | - | - |
| 2018 | 1 | 3 | $5,706,755 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,706,755 | - | - |
| 2017 | 1 | 3 | $5,863,018 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,863,018 | - | - |
| 2016 | 1 | 3 | $5,786,419 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,786,419 | - | - |
| 2015 | 1 | 3 | $5,710,238 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,710,238 | - | - |
| 2014 | 1 | 3 | $6,117,185 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $6,117,185 | - | - |
| 2013 | 1 | 3 | $6,503,224 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $6,503,224 | - | - |
| 2012 | 1 | 0 | $6,046,544 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 0 | $6,046,544 | - | - |
| 2011 | 1 | 3 | $5,871,895 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,871,895 | - | - |
| 2010 | 1 | 3 | $6,024,243 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $6,024,243 | - | - |
| 2009 | 1 | 3 | $5,573,365 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,573,365 | - | - |
| 2008 | 1 | 3 | $5,318,865 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,318,865 | - | - |
| 2007 | 1 | 3 | $0 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | - | - | - |
| 2006 | 1 | 3 | $5,565,229 | $30,000 | $10,000iApproximate average salary by contribution assumption: employee only about $250,000 at 4% or $166,667 at 6%; with 50% employer match about $166,667 at 4% or $111,111 at 6%; with 100% employer match about $125,000 at 4% or $83,333 at 6%. |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,565,229 | $30,000 | $10,000iApproximate average salary by contribution assumption: employee only about $250,000 at 4% or $166,667 at 6%; with 50% employer match about $166,667 at 4% or $111,111 at 6%; with 100% employer match about $125,000 at 4% or $83,333 at 6%. |
| 2005 | 1 | 3 | $5,239,983 | $25,000 | $8,333iApproximate average salary by contribution assumption: employee only about $208,333 at 4% or $138,889 at 6%; with 50% employer match about $138,889 at 4% or $92,593 at 6%; with 100% employer match about $104,167 at 4% or $69,444 at 6%. |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $5,239,983 | $25,000 | $8,333iApproximate average salary by contribution assumption: employee only about $208,333 at 4% or $138,889 at 6%; with 50% employer match about $138,889 at 4% or $92,593 at 6%; with 100% employer match about $104,167 at 4% or $69,444 at 6%. |
| 2004 | 1 | 2 | $4,869,022 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 2 | $4,869,022 | - | - |
| 2003 | 1 | 3 | $4,828,597 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $4,828,597 | - | - |
| 2002 | 1 | 3 | $4,315,298 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $4,315,298 | - | - |
| 2001 | 1 | 3 | $0 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | - | - | - |
| 2000 | 1 | 3 | $0 | $0 | - |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | - | - | - |
| 1999 | 1 | 3 | $7,257,196 | $23,268 | $7,756iApproximate average salary by contribution assumption: employee only about $193,900 at 4% or $129,267 at 6%; with 50% employer match about $129,267 at 4% or $86,178 at 6%; with 100% employer match about $96,950 at 4% or $64,633 at 6%. |
| Robert C. Cantu, M.D. Neurological Surgery Inc. Revised and Restated Money Purchase Pension Plan and Trust | - | 3 | $7,257,196 | $23,268 | $7,756iApproximate average salary by contribution assumption: employee only about $193,900 at 4% or $129,267 at 6%; with 50% employer match about $129,267 at 4% or $86,178 at 6%; with 100% employer match about $96,950 at 4% or $64,633 at 6%. |
