SC 13G: CASTLE BIOSCIENCES INC

AI Summary

SC 13G filing by CASTLE BIOSCIENCES INC.

Risk Assessment

Risk Level: low

Key Financial Figures

• $0.001 — me of Issuer) Common Stock, par value $0.001 (Title of Class of Securities) 1484

Filing Documents

• fp0086874-12_sc13g.htm (SC 13G) — 63KB
• 0001398344-24-002889.txt ( ) — 64KB

(a) Name

Item 1. (a) Name of Issuer: Castle Biosciences, Inc (b) Address of Issuer’s Principal Executive Offices: 505 S. Friendswood Dr., Suite 401 Friendswood, TX 77546

(a) Name

Item 2. (a) Name of Person Filing: Granahan Investment Management LLC (b) Address of Principal Business Office or, if None, Residence: Wyman Street, Suite 460 Waltham, MA 02451 (c) Citizenship: State of Massachusetts (d) Title of Class of Securities: Common Stock, par value $0.001 (e) CUSIP Number: 14843C105 Item 3. If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a: (a) [ ] Broker or dealer registered under Section 15 of the Exchange Act. (b) [ ] Bank as defined in Section 3(a)(6) of the Exchange Act. (c) [ ] Insurance company as defined in Section 3(a)(19) of the Exchange Act. (d) [ ] Investment company registered under Section 8 of the Investment Company Act. (e [ X] An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act; (i) [ ] A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act; (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). CUSIP NO. 14843C105 13G Page 4 of 5 Pages Item 4. Ownership. (a) Amount beneficially owned: 2,166,471 (b) Percent of class: 8.05% (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: 1,850,899 (ii) Shared power to vote or to direct the vote: 0 (iii) Sole power to dispose or to direct the disposition of: 2,166,471 (iv) Shared power to dispose or to direct the disposition of: 0 Item 5. Ownership of Five Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than fi