[SCHEDULE 13G/A] Cerus Corp SEC Filing

Rhea-AI Filing Summary

Travelzoo (TZOO) Form 4: 10% owner Azzurro Capital Inc. and its indirect holders (Ralph Bartel and the Ralph Bartel 2005 Trust) disclosed two open-market sales.

• 7/28/2025: 7,500 common shares sold at $11.08-$11.10 (code S).
• 7/29/2025: 10,000 common shares sold at $10.34-$10.36 (code S).

After the transactions, the reporting group owns 4,045,196 TZOO shares, down by 17,500 shares (<≈0.4% of its position). Ownership is reported as indirect (I) through Azzurro Capital. No derivative securities were involved and no other transactions were reported.

The filing signals modest insider selling but the group retains a sizable stake well above the 10% threshold.

Positive

• None.

Negative

• Insider selling: 10% owner Azzurro Capital disposed of 17,500 shares, potentially perceived as a modest negative signal despite representing less than 0.5% of its stake.

Insights

Securities Analyst

TL;DR: Minor insider trim; little fundamental impact.

The 17,500-share sale represents a fractional reduction of Azzurro Capital’s 4.0 million-share holding. Transaction code S confirms routine open-market sales with no derivatives. Given the <0.5% size, the move is unlikely to alter control dynamics or signal a material shift in outlook. Investors may note continued >10% ownership, maintaining alignment with minority shareholders. Overall impact on valuation or float liquidity is negligible.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 10)

CERUS CORP

(Name of Issuer)

Common Stock

(Title of Class of Securities)

157085101

(CUSIP Number)

06/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 157085101

1

Names of Reporting Persons

ARK Investment Management LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 17,876,831.00
6	Shared Voting Power 299,780.00
7	Sole Dispositive Power 19,207,604.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

19,207,604.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

10.05 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

CUSIP No. 157085101

1

Names of Reporting Persons

Catherine D. Wood

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 18,176,611.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 19,207,604.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

19,207,604.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

10.05 %

12

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: CERUS CORP
(b)	Address of issuer's principal executive offices: 1220 Concord Avenue, Suite 600 Concord, CA, 94520
Item 2.
(a)	Name of person filing: (i) ARK Investment Management LLC ("ARK") (ii) Catherine D. Wood
(b)	Address or principal business office or, if none, residence: ARK and Catherine D. Wood: 200 Central Avenue, St. Petersburg, FL 33701
(c)	Citizenship: (i) ARK: Delaware (ii) Catherine D. Wood: United States
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 157085101
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: ARK and Catherine D. Wood: 19,207,604
(b)	Percent of class: ARK and Catherine D. Wood: 10.05%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: (i) ARK: 17,876,831 (ii) Catherine D. Wood: 0
	(ii) Shared power to vote or to direct the vote: (i) ARK: 299,780 (ii) Catherine D. Wood: 18,176,611
	(iii) Sole power to dispose or to direct the disposition of: (i) ARK: 19,207,604 (ii) Catherine D. Wood: 0
	(iv) Shared power to dispose or to direct the disposition of: (i) ARK: 0 (ii) Catherine D. Wood: 19,207,604
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. No client of ARK Investment Management LLC currently has an interest in the securities reported herein in excess of 5 percent except ARK Innovation ETF, a series of a Delaware statutory trust.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

ARK Investment Management LLC

Signature:	/s/ Kellen Carter
Name/Title:	Kellen Carter, Chief Compliance Officer
Date:	07/30/2025

Catherine D. Wood

Signature:	/s/ Catherine D. Wood
Name/Title:	Catherine D. Wood, Chief Executive Officer, Chief Investment Officer
Date:	07/30/2025

FAQ

How many Travelzoo shares did Azzurro Capital sell?

A total of 17,500 common shares were sold on 7/28-7/29/2025.

At what prices were the TZOO shares sold?

Sales occurred between $10.34 and $11.10 per share, according to the Form 4 footnotes.

What is Azzurro Capital's remaining stake in TZOO?

Post-sale beneficial ownership is 4,045,196 shares, still above the 10% threshold.

Were derivative securities involved in this Form 4?

No, Table II shows no derivative transactions were reported.

Does the filing indicate a change in insider control of Travelzoo?

No. The sales reduced the position by about 0.4%, leaving significant insider ownership and control unchanged.