Autolus (AUTL) Chief Business Officer details ADS, options and RSU stakes

Rhea-AI Filing Summary

Autolus Therapeutics plc’s Chief Business Officer Christopher Michael James Williams filed an initial ownership report, detailing his equity interests in the company. He directly holds 19,808 American Depositary Shares and 8,198 ordinary shares.

He also holds multiple share options over American Depositary Shares with exercise prices ranging from $0.001 to $29.86 per share and expirations extending through 2036. In addition, he has 83,300 restricted share units, which the footnotes state will vest in four equal annual installments beginning on January 26, 2027, each representing the right to receive one American Depositary Share.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Williams Christopher Michael James

(Last) (First) (Middle)

C/O AUTOLUS THERAPEUTICS PLC

THE MEDIAWORKS, 191 WOOD LN, WHITE CITY

(Street)

LONDON W12 7FP

(City) (State) (Zip)

UNITED KINGDOM

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Autolus Therapeutics plc [ AUTL ]

3a. Foreign Trading Symbol

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

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

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

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)
Ordinary Shares(1)	8,198	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: 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
American Depositary Shares	(2)	(2)	Ordinary Shares	19,808	(2)	D
Share Option (right to buy)	(3)	04/21/2027	American Depositary Shares	1,844	$0.001	D
Share Option (right to buy)	(3)	02/06/2028	American Depositary Shares	6,279	$8.38	D
Share Option (right to buy)	(3)	12/20/2028	American Depositary Shares	27,600	$29.86	D
Share Option (right to buy)	(3)	12/16/2029	American Depositary Shares	18,960	$12.09	D
Share Option (right to buy)	(3)	10/01/2031	American Depositary Shares	40,000	$6.7	D
Share Option (right to buy)	(3)	12/15/2031	American Depositary Shares	75,000	$5.64	D
Share Option (right to buy)	(4)	07/22/2032	American Depositary Shares	150,000	$2.86	D
Share Option (right to buy)	(5)	03/06/2033	American Depositary Shares	150,000	$1.91	D
Share Option (right to buy)	(6)	10/12/2033	American Depositary Shares	150,000	$2.31	D
Share Option (right to buy)	(7)	02/23/2034	American Depositary Shares	200,000	$6.11	D
Share Option (right to buy)	(8)	03/14/2035	American Depositary Shares	275,000	$1.89	D
Share Option (right to buy)	(9)	01/26/2036	American Depositary Shares	375,000	$1.46	D
Restricted Share Units	(10)	(10)	American Depositary Shares	83,300	(11)	D
Share Option (right to buy)	(3)	01/15/2031	American Depositary Shares	45,000	$9.02	D

Explanation of Responses:

1. The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one ordinary share.

2. Each American Depositary Share is convertible at any time at the option of the Reporting Person into one Ordinary Share.

3. Fully vested and exercisable.

4. This option vested 25% on July 22, 2023 and the remainder vests in 36 equal monthly installments thereafter.

5. This option vested 25% on March 6, 2024 and the remainder vests in 36 equal monthly installments thereafter.

6. This option vested 25% on October 12, 2024 and the remainder vests in 36 equal monthly installments thereafter.

7. This option vested 25% on February 23, 2025 and the remainder vests in 36 equal monthly installments thereafter.

8. This option vested 25% on March 14, 2026 and the remainder vests in 36 equal monthly installments thereafter.

9. This option vests 25% on January 26, 2027 and the remainder vests in 36 equal monthly installments thereafter.

10. The restricted share units ("RSUs") vest in four equal annual installments commencing on January 26, 2027.

11. Each RSU represents a contingent right to receive one Issuer American Depositary Share.

	/s/ Christopher Williams	03/18/2026
	** 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 5 (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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What did Autolus (AUTL) disclose in Christopher Williams’s Form 3?

Autolus reported Chief Business Officer Christopher Michael James Williams’s initial equity holdings. The filing lists his direct American Depositary Shares, ordinary shares, multiple stock options over ADSs, and a large block of restricted share units with specified vesting schedules and expiration dates.

How many Autolus (AUTL) American Depositary Shares does Christopher Williams hold?

Christopher Williams directly holds 19,808 American Depositary Shares of Autolus. Footnotes explain each ADS currently represents one ordinary share and is convertible into one ordinary share at his option, giving him direct exposure to the company’s equity through this ADS position.

What stock options over Autolus (AUTL) ADSs does Christopher Williams report?

Williams reports several share options over American Depositary Shares with exercise prices from $0.001 to $29.86 per share. These options cover varying underlying ADS amounts and have expiration dates running from 2027 through 2036, illustrating a long-dated, option-based component of his compensation.

What restricted share units in Autolus (AUTL) does Christopher Williams hold?

He holds 83,300 restricted share units tied to Autolus ADSs. According to the footnotes, these RSUs vest in four equal annual installments starting January 26, 2027, and each RSU represents a contingent right to receive one American Depositary Share upon vesting.

Does Christopher Williams hold Autolus (AUTL) ordinary shares directly?

Yes. Alongside his ADS holdings, Christopher Williams directly owns 8,198 ordinary shares of Autolus. Footnotes state ordinary shares may be represented by ADSs, and each ADS currently corresponds to one ordinary share, linking his ordinary share and ADS interests economically.