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
TPG Group Holdings (SBS) Advisors, Inc.
Comparable rows
4/50
Latest evidence
12 Oct 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
-
4 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
-
12 Oct 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
TPG Group Holdings (SBS) ...
Comparable rows
4/50
Latest evidence
12 Oct 2026
13D/G
3/4/5
13F
Lead comparable stake: 15%
46 rows are not safely comparable across share classes.
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%.
4 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 4
Thomas M. Siebel
15%
BlackRock, Inc.
6.8%
Voya Financial, Inc.
4.4%
SUSQUEHANNA SECURITIES, LLC
2.9%
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%
Reported 13D/G
· 31 Mar 2026
|
$219,276,066
25,556,651 shares
|
-$15,542,987 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.8%
Reported 13D/G
· 31 Mar 2026
|
$129,578,564
14,255,067 shares
|
— | 30 Jun 2026 |
| Voya Financial, Inc. |
13D/G
|
4.4%
Reported 13D/G
· 31 Dec 2024
|
$125,690,753
5,583,774 shares
|
-$17,095,760 | 31 Dec 2024 |
| SUSQUEHANNA SECURITIES, LLC |
13D/G
G1 Execution Services, LLC
|
2.9%
Reported 13D/G
· 31 Dec 2025
|
$55,831,425
3,982,270 shares
|
-$44,109,416 | 31 Dec 2025 |
| TPG Group Holdings (SBS) Advisors, Inc. |
3/4/5
Former 10% Owner
|
—
denominator unverified
|
$272,665,613
9,467,556 shares
|
— | 08 Jun 2021 |
| Siebel Living Trust u/a/d 7/27/93, as amended |
3/4/5
Former 10% holder
|
—
denominator unverified
|
$169,668,634
5,891,272 shares
|
— | 13 Jul 2021 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$81,515,748
8,967,629 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$54,458,326
5,991,015 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: -$75,726,053.
Buys
$302,300
Insiders: 1
Sells
$76,028,353
Insiders: 4
Net
-$75,726,053
Shares: -6,722,932
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 35,000
Shares: 6,757,932
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 1,573,172 | $0 | $17,116,707 | -$17,116,707 |
| 3-6 | 0 | 1,617,709 | $0 | $15,665,082 | -$15,665,082 |
| 6-9 | 35,000 | 1,650,833 | $302,300 | $15,778,488 | -$15,476,188 |
| 9-12 | 0 | 1,916,218 | $0 | $27,468,077 | -$27,468,077 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 31 reporting-owner rows connected to C3.ai, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
31
Largest Forms 3/4/5 holder
TPG Group Holdings (SBS) Advisors, Inc.
Net 12M change
-$75,726,053
Latest report
15 Oct 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 | $28,670,398 | -$70,032,845 | -71% | Mixed | 13 Oct 2026 |
| Robert David Schilling | EVP & Chief Commercial Officer | $17,485,742 | 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 | $6,985,343 | -$1,822,506 | -21% | Mixed | 12 Oct 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 | $2,291,897 | Median | 15 Oct 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| John E. Hyten | AI | Class A Common Stock | Disposed to Issuer | -3.89% | -2,500 | 61,714 | 15 Oct 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -37.6% | $5,145,076 | $11.82 | -435,363 | 722,362 | 13 Oct 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 60.3% | 435,363 | 1,157,725 | 13 Oct 2026 | Direct | ||
| Thomas M. Siebel | AI | Stock Option (Right to Buy) | Options Exercise | -22.1% | -435,363 | 1,533,585 | 13 Oct 2026 | Direct | ||
| Hitesh Lath | AI | Class A Common Stock | Sale | -6.15% | $247,400 | $12.37 | -20,000 | 305,250 | 12 Oct 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Gift | 1.64% | 956 | 59,326 | 30 Sep 2026 | See Footnote | ||
| Thomas M. Siebel | AI | Class B Common Stock | Gift | 427,172 | 106,793 | 30 Sep 2026 | See Footnote | |||
| Hitesh Lath | AI | Class A Common Stock | Gift | 53.4% | 15,930 | 45,786 | 17 Sep 2026 | See Footnote | ||
| Hitesh Lath | AI | Class A Common Stock | Gift | -4.67% | -15,930 | 325,250 | 17 Sep 2026 | Direct | ||
| Hitesh Lath | AI | Class A Common Stock | Gift | 29,856 | 29,856 | 16 Sep 2026 | See Footnote | |||
| Hitesh Lath | AI | Class A Common Stock | Gift | -8.05% | -29,856 | 341,180 | 16 Sep 2026 | Direct | ||
| Hitesh Lath | AI | Class A Common Stock | Sale | -5.38% | $220,887 | $10.48 | -21,077 | 371,036 | 16 Sep 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -18.3% | $1,710,083 | $10.54 | -162,247 | 722,362 | 16 Sep 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 22.5% | 162,247 | 884,609 | 16 Sep 2026 | Direct | ||
| Thomas M. Siebel | AI | Stock Option (Right to Buy) | Options Exercise | -7.61% | -162,247 | 1,968,948 | 16 Sep 2026 | Direct | ||
| John E. Hyten | AI | Class A Common Stock | Disposed to Issuer | -3.75% | -2,500 | 64,214 | 15 Sep 2026 | Direct | ||
| Hitesh Lath | AI | Class A Common Stock | Options Exercise | 7.99% | 29,007 | 392,113 | 15 Sep 2026 | Direct | ||
| Hitesh Lath | AI | Restricted Stock Units | Options Exercise | -72.5% | -29,007 | 11,000 | 15 Sep 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -28.1% | $3,073,811 | $10.90 | -282,001 | 722,362 | 15 Sep 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 39% | 282,001 | 1,004,363 | 15 Sep 2026 | Direct | ||
| Thomas M. Siebel | AI | Stock Option (Right to Buy) | Options Exercise | -11.7% | -282,001 | 2,131,195 | 15 Sep 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Gift | 0.31% | 21,986 | 7,105,019 | 14 Sep 2026 | See Footnote | ||
| Thomas M. Siebel | AI | Class A Common Stock | Gift | -2.95% | -21,986 | 722,362 | 14 Sep 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -2.97% | $240,557 | $10.56 | -22,780 | 744,348 | 14 Sep 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 6.2% | 44,766 | 767,128 | 11 Sep 2026 | Direct | ||
| Thomas M. Siebel | AI | Restricted Stock Units | Options Exercise | -20% | -44,766 | 179,228 | 11 Sep 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Gift | 0.22% | 15,846 | 7,083,033 | 03 Sep 2026 | See Footnote | ||
| Thomas M. Siebel | AI | Class A Common Stock | Gift | -2.15% | -15,846 | 722,362 | 03 Sep 2026 | Direct | ||
| Thomas M. Siebel | AI | Class A Common Stock | Sale | -2.24% | $173,967 | $10.30 | -16,890 | 738,208 | 02 Sep 2026 | Direct |
| Thomas M. Siebel | AI | Class A Common Stock | Options Exercise | 4.53% | 32,736 | 755,098 | 01 Sep 2026 | Direct | ||
| Thomas M. Siebel | AI | Restricted Stock Units | Options Exercise | -50% | -32,736 | 32,738 | 01 Sep 2026 | Direct | ||
| John Charles Dwyer | AI | Option (Right to Buy) | Award | 132,077 | 132,077 | 25 Aug 2026 | Direct | |||
| John E. Hyten | AI | Class A Common Stock | Disposed to Issuer | -3.61% | -2,500 | 66,714 | 14 Aug 2026 | Direct | ||
| 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 |
* marks a reported price that did not pass the local price check.