Comparable stake leader
Corstar Holdings, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000874866.
Comparable stake leader
Corstar Holdings, Inc.
Disclosed value leader
Corstar Holdings, Inc.
Comparable rows
50/50
Latest evidence
12 Jun 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Corstar Holdings, Inc. |
13D/G
Jeffrey J. Michael
|
38%
|
$2,124,467,007
19,490,523 shares
|
$0 | 31 Dec 2024 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC |
13D/G
13F
Company
|
9.7%
|
$341,439,783
4,991,080 shares
|
$0 | 31 Dec 2025 |
| V Gordon Clemons |
3/4/5
13D/G
Chairman of the Board, Director
|
4.8%
from 13D/G
|
$393,148,315
1,084,789 shares
mixed-class rows
|
— | 29 Nov 2024 |
| CORSTAR HOLDINGS INC |
3/4/5
10%+ Owner
|
36%
|
$1,714,153,197
18,742,108 shares
|
-$9,956,120 | 08 Sep 2025 |
| MICHAEL JEFFREY J |
3/4/5
Director, 10%+ Owner
|
1.1%
|
$34,286,092
559,721 shares
mixed-class rows
|
-$548,834 | 09 Jun 2026 |
| R. Judd Jessup |
3/4/5
Director
|
0.23%
|
$6,483,949
118,645 shares
|
-$807,866 | 11 Jun 2026 |
| Maxim Shishin |
3/4/5
Chief Information Officer
|
0.01%
|
$427,159
7,050 shares
|
-$2,916,731 | 12 Jun 2026 |
| Mark E. Bertels |
3/4/5
EVP - Risk Management Services
|
0.01%
|
$427,015
2,826 shares
mixed-class rows
|
-$167,071 | 22 Apr 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$17,977,426.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 41,749 | $0 | $2,538,834 | -$2,538,834 |
| 3-6 | 0 | 30,413 | $0 | $1,518,106 | -$1,518,106 |
| 6-9 | 0 | 11,733 | $0 | $894,686 | -$894,686 |
| 9-12 | 0 | 144,664 | $0 | $13,025,801 | -$13,025,801 |
Reporting owners
Showing 1-16 of 16 reporting-owner rows connected to CORVEL CORP. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| CORSTAR HOLDINGS INC | 10%+ Owner | $1,714,153,197 | -$9,956,120 | -0.58% | Filing P/S | 08 Sep 2025 |
| V Gordon Clemons | Chairman of the Board, Director | $393,148,315 | Mixed | 29 Nov 2024 | ||
| MICHAEL JEFFREY J | Director, 10%+ Owner | $34,286,092 | -$548,834 | -1.6% | Mixed | 09 Jun 2026 |
| Steven J. Hamerslag | Director | $14,047,579 | -$955,800 | -6.4% | Mixed | 12 Feb 2026 |
| Alan Hoops | Director | $12,369,034 | -$177,160 | -1.4% | Mixed | 07 Aug 2025 |
| R. Judd Jessup | Director | $6,483,949 | -$807,866 | -11% | Median | 11 Jun 2026 |
| Jean Macino | Director | $5,185,292 | Mixed | 25 Jul 2024 | ||
| Michael G. Combs | CEO & President | $2,307,483 | -$2,164,394 | -48% | Mixed | 12 Jun 2026 |
| Diane Blaha | Chief Marketing Officer | $1,334,438 | Mixed | 14 Apr 2022 | ||
| Brandon O'Brien | Chief Financial Officer | $846,862 | -$161,471 | -16% | Mixed | 08 Sep 2025 |
| Jennifer Yoss | Vice President of Accounting | $454,454 | -$121,980 | -21% | Mixed | 26 May 2026 |
| Maxim Shishin | Chief Information Officer | $427,159 | -$2,916,731 | -87% | Filing P/S | 12 Jun 2026 |
| Mark E. Bertels | EVP - Risk Management Services | $427,015 | -$167,071 | -28% | Mixed | 22 Apr 2026 |
| Gregory A. Dorn | Division President | $17,963 | Mixed | 18 Jul 2022 | ||
| Brian S. Nichols | Chief Financial Officer | $273 | Median | 01 May 2026 | ||
| Joanna M. Burkey | Director | Mixed | 07 Aug 2025 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Michael G. Combs | CRVL | Common Stock | Sale | -3.9% | $30,395 | $60.79 | -500 | 12,322 | 12 Jun 2026 | Direct |
| Maxim Shishin | CRVL | Common Stock | Sale | -24.2% | $136,328 | $60.59 | -2,250 | 7,050 | 12 Jun 2026 | Direct |
| Maxim Shishin | CRVL | Common Stock | Options Exercise | 31.9% | 2,250 | 9,300 | 12 Jun 2026 | Direct | ||
| Maxim Shishin | CRVL | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -2,250 | 0 | 12 Jun 2026 | Direct | ||
| R. Judd Jessup | CRVL | Common Stock | Tax liability | -1.78% | -2,153 | 118,645 | 11 Jun 2026 | Direct | ||
| R. Judd Jessup | CRVL | Common Stock | Options Exercise | 8.05% | 9,000 | 120,798 | 11 Jun 2026 | Direct | ||
| R. Judd Jessup | CRVL | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -9,000 | 0 | 11 Jun 2026 | Direct | ||
| Michael G. Combs | CRVL | Common Stock | Sale | -35.3% | $423,820 | $60.55 | -7,000 | 12,822 | 11 Jun 2026 | Direct |
| Michael G. Combs | CRVL | Common Stock | Sale | -26.1% | $429,626 | $61.38 | -7,000 | 19,822 | 10 Jun 2026 | Direct |
| Michael G. Combs | CRVL | Common Stock | Sale | -20.7% | $426,293 | $60.90 | -7,000 | 26,822 | 09 Jun 2026 | Direct |
| Michael Jeffrey J | CRVL | Common Stock | Sale | -1.58% | $548,834 | $60.98 | -9,000 | 559,721 | 09 Jun 2026 | Direct |
| Michael Jeffrey J | CRVL | Common Stock | Options Exercise | 1.61% | 9,000 | 568,721 | 09 Jun 2026 | Direct | ||
| Michael Jeffrey J | CRVL | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -9,000 | 0 | 09 Jun 2026 | Direct | ||
| Michael G. Combs | CRVL | Common Stock | Sale | -17.2% | $421,558 | $60.22 | -7,000 | 33,822 | 08 Jun 2026 | Direct |
| Jennifer Yoss | CRVL | Common Stock | Sale | -47.9% | $121,980 | $61.02 | -1,999 | 2,173 | 26 May 2026 | Direct |
| Jennifer Yoss | CRVL | Common Stock | Options Exercise | 176.6% | 1,999 | 3,131 | 26 May 2026 | Direct | ||
| Jennifer Yoss | CRVL | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -1,999 | 0 | 26 May 2026 | Direct | ||
| Brian S. Nichols | CRVL | Common Stock | Tax liability | -72.2% | -13 | 5 | 01 May 2026 | Direct | ||
| Brian S. Nichols | CRVL | Common Stock | Options Exercise | 18 | 18 | 01 May 2026 | Direct | |||
| Brian S. Nichols | CRVL | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -18 | 0 | 01 May 2026 | Direct | ||
| Mark E. Bertels | CRVL | Common Stock | Tax liability | -22.7% | -830 | 2,826 | 22 Apr 2026 | Direct | ||
| Mark E. Bertels | CRVL | Common Stock | Options Exercise | 40.3% | 1,050 | 3,656 | 22 Apr 2026 | Direct | ||
| Mark E. Bertels | CRVL | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -1,050 | 0 | 22 Apr 2026 | Direct | ||
| Jennifer Yoss | CRVL | Common Stock | Award | 2.36% | 50 | 2,173 | 31 Mar 2026 | Direct | ||
| Michael G. Combs | CRVL | Common Stock | Award | 0.15% | 62 | 40,822 | 31 Mar 2026 | Direct | ||
| Mark E. Bertels | CRVL | Common Stock | Award | 0.46% | 12 | 2,606 | 31 Mar 2026 | Direct | ||
| Maxim Shishin | CRVL | Common Stock | Sale | -25.4% | $129,604 | $54.00 | -2,400 | 7,050 | 16 Mar 2026 | Direct |
| Maxim Shishin | CRVL | Common Stock | Options Exercise | 34% | 2,400 | 9,450 | 16 Mar 2026 | Direct | ||
| Maxim Shishin | CRVL | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -2,400 | 0 | 16 Mar 2026 | Direct | ||
| Michael G. Combs | CRVL | Common Stock | Sale | -16.4% | $432,702 | $54.00 | -8,013 | 40,760 | 09 Mar 2026 | Direct |
| Brian S. Nichols | CRVL | Non-Qualified Stock Option (Right to Buy) | Award | 6,000 | 6,000 | 04 Mar 2026 | Direct | |||
| Michael G. Combs | CRVL | Non-Qualified Stock Option (right to buy) | Award | 6,000 | 6,000 | 04 Mar 2026 | Direct | |||
| Jennifer Yoss | CRVL | Non-Qualified Stock Option (right to buy) | Award | 3,500 | 3,500 | 04 Mar 2026 | Direct | |||
| Maxim Shishin | CRVL | Non-Qualified Stock Option (right to buy) | Award | 8,000 | 8,000 | 04 Mar 2026 | Direct | |||
| Mark E. Bertels | CRVL | Non-Qualified Stock Option (right to buy) | Award | 6,000 | 6,000 | 04 Mar 2026 | Direct | |||
| Steven J. Hamerslag | CRVL | Common Stock | Sale | -3.37% | $484,100 | $48.41 | -10,000 | 287,000 | 13 Feb 2026 | Direct |
| Steven J. Hamerslag | CRVL | Common Stock | Sale | -3.26% | $471,700 | $47.17 | -10,000 | 297,000 | 12 Feb 2026 | Direct |
| Michael G. Combs | CRVL | Common Stock | Tax liability | -33% | -23,959 | 48,594 | 05 Jan 2026 | Direct | ||
| Michael G. Combs | CRVL | Common Stock | Options Exercise | 65% | 28,407 | 72,075 | 05 Jan 2026 | Direct | ||
| Michael G. Combs | CRVL | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -28,407 | 0 | 05 Jan 2026 | Direct | ||
| Steven J. Hamerslag | CRVL | Common Stock | Gift | -2.23% | -7,000 | 307,000 | 11 Dec 2025 | Direct | ||
| Mark E. Bertels | CRVL | Common Stock | Sale | -31.6% | $86,820 | $72.35 | -1,200 | 2,594 | 19 Nov 2025 | Direct |
| Mark E. Bertels | CRVL | Common Stock | Options Exercise | 46.3% | 1,200 | 3,794 | 19 Nov 2025 | Direct | ||
| Mark E. Bertels | CRVL | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -1,200 | 0 | 19 Nov 2025 | Direct | ||
| R. Judd Jessup | CRVL | Common Stock | Sale | -5.79% | $544,427 | $76.94 | -7,076 | 115,045 | 11 Nov 2025 | Direct |
| R. Judd Jessup | CRVL | Common Stock | Sale | -0.17% | $16,017 | $76.27 | -210 | 122,121 | 10 Nov 2025 | Direct |
| R. Judd Jessup | CRVL | Common Stock | Sale | -2.82% | $247,421 | $76.20 | -3,247 | 111,798 | 07 Nov 2025 | Direct |
| Brian S. Nichols | CRVL | Non-Qualified Stock Option (Right to Buy) | Award | 941.2% | 4,000 | 4,425 | 06 Nov 2025 | Direct | ||
| Mark E. Bertels | CRVL | Non-Qualified Stock Option (right to buy) | Award | 4,000 | 4,000 | 06 Nov 2025 | Direct | |||
| Jennifer Yoss | CRVL | Non-Qualified Stock Option (right to buy) | Award | 3,500 | 3,500 | 06 Nov 2025 | Direct |