Ara Mahdessian - 17 Sep 2026 Form 4 Insider Report for ServiceTitan, Inc. (TTAN)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: TTAN
Reported as of: 17 Sep 2026
Net transaction value: -$179,642
SEC form: 4
Accepted by SEC: 21 Sep 2026, 19:01:25 UTC
Prior SEC filing: 05 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Travis Shrout, Attorney-in-Fact

Key filing fact

Ara Mahdessian filed Form 4 for ServiceTitan, Inc. (TTAN) on 21 Sep 2026.

Key facts

This page summarizes Ara Mahdessian's Form 4 filing for ServiceTitan, Inc. (TTAN).
3 reported transactions and 11 derivative rows are listed below.
Accepted by SEC: 21 Sep 2026, 19:01.

Change

Previous filing in this sequence was filed on 05 Aug 2026.
Current net transaction value: -$179,642.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001908788 Primary reporting owner

Mahdessian Ara

Relationship: Chief Executive Officer, Director
Address: C/O SERVICETITAN, 800 N. BRAND BLVD., SUITE 100, GLENDALE
Signature: /s/ Travis Shrout, Attorney-in-Fact
Signature date: 21 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TTAN transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +3,148
Change %: +179871%
Price: $0.000000^*
Shares after: 3,150
Date: 17 Sep 2026
Ownership: Direct
Footnotes: F1

TTAN transaction

Class A Common Stock

Sale

Transaction value: $179,642
Shares: -3,148
Change %: -100%
Price: $57.07
Shares after: 2
Date: 17 Sep 2026
Ownership: Direct
Footnotes: F2, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

TTAN transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares: -3,148
Change %: -0.1%
Price: $0.000000^*
Shares after: 3,262,614
Date: 17 Sep 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 3,148
Exercise price
Footnotes: F1, F4, F5, F6

TTAN holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,216,857
Date: 17 Sep 2026
Ownership: By the AMKE Trust dated February 1, 2019
Underlying class: Class A Common Stock
Underlying amount: 4,216,857
Exercise price
Footnotes: F4, F5

TTAN holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 341,906
Date: 17 Sep 2026
Ownership: AM 2026 GRAT
Underlying class: Class A Common Stock
Underlying amount: 341,906
Exercise price
Footnotes: F4

TTAN holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 169,318
Date: 17 Sep 2026
Ownership: AM 2026-2 GRAT
Underlying class: Class A Common Stock
Underlying amount: 169,318
Exercise price
Footnotes: F4, F6

TTAN holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 87,128
Date: 17 Sep 2026
Ownership: AM Irrevocable Nonexempt Trust
Underlying class: Class A Common Stock
Underlying amount: 87,128
Exercise price
Footnotes: F4

TTAN holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 16,047
Date: 17 Sep 2026
Ownership: By AM 2025 GRAT
Underlying class: Class A Common Stock
Underlying amount: 16,047
Exercise price
Footnotes: F4, F6

TTAN holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 16,047
Date: 17 Sep 2026
Ownership: By KE 2025 GRAT
Underlying class: Class A Common Stock
Underlying amount: 16,047
Exercise price
Footnotes: F4, F7

TTAN holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2
Date: 17 Sep 2026
Ownership: By Spouse
Underlying class: Class A Common Stock
Underlying amount: 2
Exercise price
Footnotes: F4, F7

TTAN holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 341,906
Date: 17 Sep 2026
Ownership: KE 2026 GRAT
Underlying class: Class A Common Stock
Underlying amount: 341,906
Exercise price
Footnotes: F4

TTAN holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 169,318
Date: 17 Sep 2026
Ownership: KE 2026-2 GRAT
Underlying class: Class A Common Stock
Underlying amount: 169,318
Exercise price
Footnotes: F4, F7

TTAN holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 87,128
Date: 17 Sep 2026
Ownership: KE Irrevocable Nonexempt Trust
Underlying class: Class A Common Stock
Underlying amount: 87,128
Exercise price
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 7 footnotes

Footnote F1

Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

Footnote F2

Represents shares sold to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of restricted stock units. These sales are mandated as part of the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

Footnote F3

This number includes rounding of fractional shares.

Footnote F4

The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers, or upon the occurrence of certain specified events, in each case as set forth in the Issuer's Amended and Restated Certificate of Incorporation.

Footnote F5

Reflects the following transfers of Class B Common Stock from the Reporting Person to the AMKE Trust: the September 17, 2025 transfer of 2,967 shares, the December 18, 2025 transfer of 2,985 shares, the March 18, 2026 transfer of 3,736 shares, and the September 17, 2026 transfer of 2,877 shares. Such transfers were exempt from reporting pursuant to Rule 16a-13.

Footnote F6

Reflects the following: (i) the September 15, 2026 transfer of 169,319 shares of Class B Common Stock from the AM 2025 GRAT to the Reporting Person in satisfaction of a grantor retained annuity trust ("GRAT") annuity payment owed to the Reporting Person; and (ii) the subsequent September 15, 2026 transfer of 169,318 shares of Class B Common Stock from the Reporting Person to the AM 2026-2 GRAT.

Footnote F7

Reflects the following: (i) the September 15, 2026 transfer of 169,319 shares of Class B Common Stock from the KE 2025 GRAT to the Reporting Person's spouse in satisfaction of a GRAT annuity payment owed to the Reporting Person's spouse; and (ii) the subsequent September 15, 2026 transfer of 169,318 shares of Class B Common Stock from the Reporting Person's spouse to the KE 2026-2 GRAT.

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