Comparable stake leader
Thomas M. Siebel
SEC ownership of C3.ai, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001577526.
Disclosed value leader
Thomas M. Siebel
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- AI on NYSE
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Thomas M. Siebel
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Thomas M. Siebel
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001577526
- Issuer location
- Redwood City, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of C3.ai, Inc. (13F + 13D/G + 3/4/5)
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.
Comparable stake leader
Thomas M. Siebel
Disclosed value leader
Thomas M. Siebel
Comparable rows
50/50
Latest evidence
30 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 15%
13D/G row: Thomas M. Siebel
Showing 1-8 of 50 holder rows.
Quick read
Thomas M. Siebel leads the comparable SEC ownership view at 15%.
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.
Open SEC evidence
Opens Thomas M. Siebel's linked filing trail.
Comparable ownership
Top 5
Thomas M. Siebel
15%
BlackRock, Inc.
6.8%
Voya Financial, Inc.
4.4%
SUSQUEHANNA SECURITIES, LLC
2.9%
Robert David Schilling
0.61%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Thomas M. Siebel |
13D/G
3/4/5
CEO and Chairman of the Board, Director, 10%+ Owner
|
15%
|
$219,276,066
25,556,651 shares
|
-$15,542,987 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.8%
from 13D/G
|
$129,578,564
14,255,067 shares
|
— | 30 Jun 2026 |
| Voya Financial, Inc. |
13D/G
|
4.4%
|
$125,690,753
5,583,774 shares
|
-$17,095,760 | 31 Dec 2024 |
| SUSQUEHANNA SECURITIES, LLC |
13D/G
G1 Execution Services, LLC
|
2.9%
|
$55,831,425
3,982,270 shares
|
-$44,109,416 | 31 Dec 2025 |
| Robert David Schilling |
3/4/5
EVP & Chief Commercial Officer
|
0.61%
|
$17,485,742
1,011,327 shares
|
-$8,133,515 | 30 Sep 2025 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
5.4%
|
$81,515,748
8,967,629 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
3.6%
|
$54,458,326
5,991,015 shares
|
— | 30 Jun 2026 |
| MORGAN STANLEY |
13F
Company
|
3%
|
$45,684,857
5,025,836 shares
|
— | 30 Jun 2026 |
How to read this table
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
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$95,825,990.
Buys
$302,300
Insiders: 1
Sells
$96,128,290
Insiders: 5
Net
-$95,825,990
Shares: -7,510,002
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 35,000
Shares: 7,545,002
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 1,721,675 | $0 | $17,525,728 | -$17,525,728 |
| 3-6 | 35,000 | 1,620,344 | $302,300 | $13,957,562 | -$13,655,262 |
| 6-9 | 0 | 1,884,304 | $0 | $24,970,674 | -$24,970,674 |
| 9-12 | 0 | 2,318,679 | $0 | $39,674,326 | -$39,674,326 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 30 reporting-owner rows connected to C3.ai, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
30
Largest Forms 3/4/5 holder
TPG Group Holdings (SBS) Advisors, Inc.
Net 12M change
-$95,825,990
Latest report
11 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| TPG Group Holdings (SBS) Advisors, Inc. | Former 10% Owner | $272,665,613 | Mixed | 08 Jun 2021 | ||
| Siebel Living Trust u/a/d 7/27/93, as amended | Former 10% holder | $169,668,634 | Mixed | 13 Jul 2021 | ||
| Edward Y. Abbo | President and CTO | $45,318,837 | Mixed | 13 Jun 2024 | ||
| Houman Behzadi | Chief Product Officer | $38,327,443 | Mixed | 15 Jun 2023 | ||
| Thomas M. Siebel | CEO and Chairman of the Board, Director, 10%+ Owner | $24,211,060 | -$81,671,046 | -77% | Mixed | 11 Aug 2026 |
| Robert David Schilling | EVP & Chief Commercial Officer | $17,485,742 | -$8,133,515 | -32% | Filing P/S | 30 Sep 2025 |
| Richard J. Lutton Jr. | Senior VP and General Counsel | $14,400,000 | Mixed | 15 Oct 2021 | ||
| Jr. Stephen M. Ward | Director | $14,383,748 | Filing P/S | 03 Oct 2025 | ||
| Guy Wanger | SVP & Chief Admin Officer | $9,989,424 | Mixed | 08 Dec 2023 | ||
| Patricia A. House | Former Director | $9,042,221 | Mixed | 12 Dec 2022 | ||
| Stephen Bradley Ehikian | Chief Executive Officer | $7,417,463 | -$4,092,202 | -36% | Mixed | 30 Jun 2026 |
| Juho Parkkinen | Svp & Chief Financial Officer | $7,241,459 | Mixed | 31 Jan 2024 | ||
| Hitesh Lath | Chief Financial Officer | $6,337,273 | -$2,150,727 | -25% | Mixed | 04 Aug 2026 |
| Brady Mickelsen | Senior VP and General Counsel | $5,753,578 | Mixed | 23 Jun 2021 | ||
| Adeel Manzoor | Chief Financial Officer | $5,184,000 | Mixed | 20 Dec 2021 | ||
| Michael Wayne Clayville | Director | $5,109,000 | Mixed | 11 Dec 2025 | ||
| Richard C. Levin | Director | $4,253,379 | Filing P/S | 03 Oct 2025 | ||
| Jim H. Snabe | Director | $3,430,790 | +$221,500 | +6.9% | Mixed | 27 Mar 2026 |
| John E. Hyten | Director | $1,963,839 | Median | 15 Jul 2026 | ||
| David Barter | Senior VP and CFO | $1,946,851 | Mixed | 12 Nov 2021 |
Recent insider transactions for C3.ai, Inc.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -38.6% | $4,764,330 | $10.51 | -453,314 | 722,362 | 11 Aug 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 62.8% | 453,314 | 1,175,676 | 11 Aug 2026 | Direct | ||
| Thomas M. Siebel | AI | Stock Option (Right to Buy) | Options Exercise | -15.8% | -453,314 | 2,413,196 | 11 Aug 2026 | Direct | ||
| Hitesh Lath | AI | Class A Common Stock | Sale | -5.22% | $200,000 | $10.00 | -20,000 | 363,106 | 04 Aug 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Gift | 2.08% | 143,834 | 7,067,187 | 04 Aug 2026 | See Footnote | ||
| Thomas M. Siebel | AI | Class A Common Stock | Gift | -16.6% | -143,834 | 722,362 | 04 Aug 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -13.9% | $1,340,595 | $9.61 | -139,500 | 866,196 | 03 Aug 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 39.2% | 283,334 | 1,005,696 | 02 Aug 2026 | Direct | ||
| Thomas M. Siebel | AI | Performance Restricted Stock Units | Options Exercise | -100% | -283,334 | 0 | 02 Aug 2026 | Direct | ||
| John E. Hyten | AI | Class A Common Stock | Disposed to Issuer | -3.49% | -2,500 | 69,214 | 15 Jul 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -21.6% | $1,849,044 | $9.32 | -198,465 | 722,362 | 15 Jul 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 30.2% | 198,465 | 855,852 | 15 Jul 2026 | Direct | ||
| Thomas M. Siebel | AI | Stock Option (Right to Buy) | Options Exercise | -100% | -198,465 | 0 | 15 Jul 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -26.8% | $2,395,387 | $9.07 | -264,100 | 722,362 | 14 Jul 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 36.6% | 264,100 | 986,462 | 14 Jul 2026 | Direct | ||
| Thomas M. Siebel | AI | Stock Option (Right to Buy) | Options Exercise | -80.3% | -264,100 | 64,975 | 14 Jul 2026 | Direct | ||
| Stephen Bradley Ehikian | AI | Class A Common Stock | Gift | 19.3% | 44,378 | 274,182 | 02 Jul 2026 | See Footnote | ||
| Stephen Bradley Ehikian | AI | Class A Common Stock | Gift | -6.82% | -44,378 | 606,752 | 02 Jul 2026 | Direct | ||
| Stephen Bradley Ehikian | AI | Class A Common Stock | Sale | -7.2% | $477,622 | $9.45 | -50,542 | 651,130 | 01 Jul 2026 | Direct |
| Stephen Bradley Ehikian | AI | Class A Common Stock | Award | 4.08% | 27,503 | 701,672 | 30 Jun 2026 | Direct | ||
| Hitesh Lath | AI | Class A Common Stock | Sale | -11.3% | $426,389 | $8.77 | -48,619 | 383,106 | 30 Jun 2026 | Direct |
| Hitesh Lath | AI | Class A Common Stock | Award | 85.2% | 198,619 | 431,725 | 29 Jun 2026 | Direct | ||
| Hitesh Lath | AI | Class A Common Stock | Sale | -12.8% | $374,600 | $10.95 | -34,210 | 233,106 | 16 Jun 2026 | Direct |
| Hitesh Lath | AI | Class A Common Stock | Options Exercise | 12.2% | 29,008 | 267,316 | 15 Jun 2026 | Direct | ||
| Hitesh Lath | AI | Restricted Stock Units | Options Exercise | -70.7% | -29,008 | 12,000 | 15 Jun 2026 | Direct | ||
| John E. Hyten | AI | Class A Common Stock | Disposed to Issuer | -3.37% | -2,500 | 71,714 | 15 Jun 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -39.5% | $5,243,976 | $11.11 | -472,005 | 722,362 | 15 Jun 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 65.3% | 472,005 | 1,194,367 | 15 Jun 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Gift | 0.31% | 21,197 | 6,923,353 | 15 Jun 2026 | See Footnote | ||
| Thomas M. Siebel | AI | Class A Common Stock | Gift | -2.85% | -21,197 | 722,362 | 15 Jun 2026 | Direct | ||
| Thomas M. Siebel | AI | Stock Option (Right to Buy) | Options Exercise | -58.9% | -472,005 | 329,075 | 15 Jun 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -3.07% | $257,384 | $10.92 | -23,570 | 743,559 | 12 Jun 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 6.2% | 44,767 | 767,129 | 11 Jun 2026 | Direct | ||
| Thomas M. Siebel | AI | Restricted Stock Units | Options Exercise | -16.7% | -44,767 | 223,994 | 11 Jun 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Gift | 858.5% | 6,182,053 | 6,902,156 | 03 Jun 2026 | See Footnote | ||
| Thomas M. Siebel | AI | Class A Common Stock | Gift | -89.5% | -6,182,053 | 722,362 | 03 Jun 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -0.25% | $196,402 | $11.32 | -17,350 | 6,904,415 | 02 Jun 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 858.2% | 6,199,403 | 6,921,765 | 01 Jun 2026 | Direct | ||
| Thomas M. Siebel | AI | Stock Option (Right to Buy) | Options Exercise | -100% | -6,166,667 | 0 | 01 Jun 2026 | Direct | ||
| Thomas M. Siebel | AI | Restricted Stock Units | Options Exercise | -33.3% | -32,736 | 65,474 | 01 Jun 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -13.4% | $968,921 | $8.65 | -112,014 | 722,362 | 18 May 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 15.5% | 112,014 | 834,376 | 18 May 2026 | Direct | ||
| Thomas M. Siebel | AI | Stock Option (Right to Buy) | Options Exercise | -12.3% | -112,014 | 801,080 | 18 May 2026 | Direct | ||
| John E. Hyten | AI | Class A Common Stock | Disposed to Issuer | -3.26% | -2,500 | 74,214 | 15 May 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -33.8% | $3,223,121 | $8.72 | -369,624 | 722,362 | 15 May 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 51.2% | 369,624 | 1,091,986 | 15 May 2026 | Direct | ||
| Thomas M. Siebel | AI | Stock Option (Right to Buy) | Options Exercise | -28.8% | -369,624 | 913,094 | 15 May 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Gift | 3.73% | 25,915 | 720,103 | 05 May 2026 | See Footnote | ||
| Thomas M. Siebel | AI | Class A Common Stock | Gift | -3.46% | -25,915 | 722,362 | 05 May 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -3.51% | $252,237 | $9.27 | -27,210 | 748,277 | 04 May 2026 | Direct |
* marks a reported price that did not pass the local price check.