Bentley Systems grants 3,982 Class B shares to CAO

Trimback Thomas F reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Trimback Thomas F reported acquisition or exercise transactions in this Form 4 filing.

Bentley Systems’ Chief Accounting Officer Thomas F. Trimback received a grant of 3,982 shares of Class B Common Stock on March 6, 2026. The award is a time-based restricted stock unit grant under the 2020 Omnibus Incentive Plan that vests over four years, with one-quarter vesting on each anniversary of the grant date. Following this compensation grant, Trimback directly holds 19,922 shares of Class B Common Stock.

Insider Trade Summary

Grant/Award: 3,982 shares

Grant/Award 1 txn

Insider Trimback Thomas F

Role Chief Accounting Officer

Type	Security	Shares	Price	Value
Grant/Award	Class B Common Stock	3,982	$0.00	$0.00

Holdings After Transaction: Class B Common Stock — 19,922 shares (Direct)

Footnotes (1)

1. F1. Represents a time-based restricted stock unit award granted pursuant to the Issuer's 2020 Omnibus Incentive Plan which vests over four years with one-quarter of such award vesting on each grant date anniversary.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Bentley Systems (BSY) report for Thomas F. Trimback?

Bentley Systems reported that Chief Accounting Officer Thomas F. Trimback received a grant of 3,982 shares of Class B Common Stock. The shares were awarded as time-based restricted stock units with no cash paid per share, reflecting equity-based compensation rather than an open-market purchase.

How many Bentley Systems shares does Thomas F. Trimback hold after this Form 4 transaction?

After the reported grant, Thomas F. Trimback directly holds 19,922 shares of Bentley Systems Class B Common Stock. This total includes the 3,982 time-based restricted stock units granted on March 6, 2026, which will vest over four years under the company’s 2020 Omnibus Incentive Plan.

What are the vesting terms of Thomas F. Trimback’s new Bentley Systems restricted stock units?

The 3,982 time-based restricted stock units granted to Thomas F. Trimback vest over four years. One-quarter of the award vests on each anniversary of the March 6, 2026 grant date, aligning the Chief Accounting Officer’s equity compensation with longer-term service at Bentley Systems.

Was Thomas F. Trimback’s Bentley Systems share grant an open-market purchase or a compensation award?

The transaction was a compensation award, not an open-market purchase. Thomas F. Trimback received 3,982 Class B Common Stock units at a reported price of $0.0000 per share as a time-based restricted stock unit grant under Bentley Systems’ 2020 Omnibus Incentive Plan.

Which Bentley Systems equity plan governs Thomas F. Trimback’s new restricted stock unit grant?

The grant to Thomas F. Trimback was made under Bentley Systems’ 2020 Omnibus Incentive Plan. This plan authorizes time-based restricted stock unit awards, and his 3,982-share grant vests in four equal annual installments beginning on the anniversary of the March 6, 2026 grant date.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/10/2026 - 04:17 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Trimback Thomas F

(Last) (First) (Middle)

C/O BENTLEY SYSTEMS, INCORPORATED

685 STOCKTON DRIVE

(Street)

EXTON PA 19341

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BENTLEY SYSTEMS INC [ BSY ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class B Common Stock	03/06/2026		A(1)		3,982	A	$0.00	19,922	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents a time-based restricted stock unit award granted pursuant to the Issuer's 2020 Omnibus Incentive Plan which vests over four years with one-quarter of such award vesting on each grant date anniversary.

	/s/ Michael T. Fischette, Attorney-in-Fact	03/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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