0001781002-23-000028 4 1 20230323 20230327 20230327 Bleichroeder LP 0001781002 DE 1231 4 34 000-26946 23764620 1345 AVENUE OF THE AMERICAS 47TH FLOOR NEW YORK NY 10105 917-769-2999 1345 AVENUE OF THE AMERICAS 47TH FLOOR NEW YORK NY 10105 INTEVAC INC 0001001902 3559 943125814 DE 1231 3560 BASSETT STREET SANTA CLARA CA 95054 4089869888 3560 BASSETT STREET SANTA CLARA CA 95054 4 1 primary_doc.xml PRIMARY DOCUMENT X0407 4 2023-03-23 0 0001001902 INTEVAC INC IVAC 0001781002 Bleichroeder LP 1345 AVENUE OF THE AMERICAS 47TH FLOOR NEW YORK NY 10105 0 0 1 0 0 Common Stock 2023-03-23 4 P 0 37800 6.9347 A 5039023 I See footnote The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions. On 03/23/2023, prices ranged from $6.90 to $6.935, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote. This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes. Michael M. Kellen, Chairman and CO-CEO of Bleichroeder LP 2023-03-27