Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Bergsma Gus	2. Date of Event Requiring Statement (MM/DD/YYYY) 12/1/2021	3. Issuer Name and Ticker or Trading Symbol BENTLEY SYSTEMS INC [BSY]
(Last)        (First)        (Middle) C/O BENTLEY SYSTEMS, INCORPORATED, 685 STOCKTON DRIVE	4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                          _____ 10% Owner ___X___ Officer (give title below)        _____ Other (specify below) Chief Revenue Officer /
(Street) EXTON, PA 19341       (City)              (State)              (Zip)	5. If Amendment, Date Original Filed(MM/DD/YYYY)	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 Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class B Common Stock	771829 (1)	D
Class B Common Stock	28466	I	By 401(k) Plan

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options (Right to Buy)	(2)	2/28/2022	Class B Common Stock	35154	$3.88	D
Stock Options (Right to Buy)	(2)	2/28/2022	Class B Common Stock	65836	$3.88	D
Stock Options (Right to Buy)	(3)	5/28/2023	Class B Common Stock	19234	$5.305	D
Stock Options (Right to Buy)	(3)	5/28/2023	Class B Common Stock	74766	$5.305	D

Explanation of Responses:
(1)	Includes 25,810 restricted shares of Class B Common Stock of the Issuer ("Class B Common Stock") and 505,658 shares of Class B Common Stock issuable under the Issuer's deferred compensation plan.
(2)	These options are fully vested.
(3)	Reflects options that vest in four equal annual installments beginning on May 29, 2018.

Remarks: Exhibit List: Exhibit 24 - Power of Attorney.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Bergsma Gus C/O BENTLEY SYSTEMS, INCORPORATED 685 STOCKTON DRIVE EXTON, PA 19341			Chief Revenue Officer

Signatures
/s/ Michael T. Fischette as Attorney-in-Fact		12/10/2021
**Signature of Reporting Person		Date