Form 4 for AI C3.ai, Inc.
Accepted 2026-08-04 21:02:06 ET · period of report 2026-08-02 · accession 0001577526-26-000094 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-08-04 21:02 | 2026-08-02 | AI | SIEBEL THOMAS M | CEO, COB, Dir, 10% | M - OptEx | — | +283.3K | 1.01M | +39% | — |
| D | 2026-08-04 21:02 | 2026-08-03 | AI | SIEBEL THOMAS M | CEO, COB, Dir, 10% | S - Sale+OE | $9.61 | -139.5K | 866.2K | -14% | -$1.34M |
| D | 2026-08-04 21:02 | 2026-08-04 | AI | SIEBEL THOMAS M | CEO, COB, Dir, 10% | G - Gift | $0.00 | -143.8K | 722.4K | -17% | $0 |
| DI | 2026-08-04 21:02 | 2026-08-04 | AI | SIEBEL THOMAS M | CEO, COB, Dir, 10% | G - Gift | $0.00 | +143.8K | 7.07M | +2% | $0 |
| D | 2026-08-04 21:02 | 2026-08-02 | AI | SIEBEL THOMAS M | CEO, COB, Dir, 10% | M - OptEx | $0.00 | -283.3K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-08-02 | M | A | 283,334 | — | 1,005,696 | D | — | — | (F1) Each Performance Restricted Stock Unit (PRSU) represents a contingent right to receive one share of the Issuer's Class A Common Stock. The PRSUs vest upon the Issuer's Class A Common Stock achieving a specified price per share. |
| 2 | Common | Class A Common Stock | 2026-08-03 | S | D | 139,500 | $9.61 | 866,196 | D | — | — | (F2) Pursuant to the Issuer's policies and practice, these shares of Class A Common Stock were automatically withheld and sold by the Issuer to satisfy the Reporting Person's tax withholding obligations related to the vesting of PRSUs reported herein. (F3) The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $9.5 to $9.685, inclusive. The Reporting Person will provide upon request to the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, full information regarding the number of shares sold at each separate price. |
| 3 | Common | Class A Common Stock | 2026-08-04 | G | D | 143,834 | $0.00 | 722,362 | D | — | — | |
| 4 | Common | Class A Common Stock | 2026-08-04 | G | A | 143,834 | $0.00 | 7,067,187 | I See Footnote | — | — | (F4) The shares are held by The Siebel Living Trust u/a/d 7/27/93, as amended, of which the Reporting Person is trustee. |
| 5 | Derivative | Performance Restricted Stock Units | 2026-08-02 | M | D | 283,334 | $0.00 | 0 | D | — · — to — | 283,334 Class A Common Stock | (F1) Each Performance Restricted Stock Unit (PRSU) represents a contingent right to receive one share of the Issuer's Class A Common Stock. The PRSUs vest upon the Issuer's Class A Common Stock achieving a specified price per share. (F1) Each Performance Restricted Stock Unit (PRSU) represents a contingent right to receive one share of the Issuer's Class A Common Stock. The PRSUs vest upon the Issuer's Class A Common Stock achieving a specified price per share. (F1) Each Performance Restricted Stock Unit (PRSU) represents a contingent right to receive one share of the Issuer's Class A Common Stock. The PRSUs vest upon the Issuer's Class A Common Stock achieving a specified price per share. |