Sera Prognostics (SERA) Proxy filing summary

Executive summary

• Annual meeting scheduled for June 4, 2026, with proxy materials distributed starting April 24, 2026.

• Supplement issued to update shareholders on a change in board nominees.

Voting matters and shareholder proposals

• Jeffrey T. Elliott, previously nominated for re-election, has resigned effective June 4, 2026, and is no longer a nominee.

• Board size reduced to seven directors; no substitute nominee will be named.

• All other nominees remain up for re-election; proxy cards remain valid, but votes for Elliott will be disregarded.

• No changes to other agenda items in the proxy statement.

Board of directors and corporate governance

• Elliott’s resignation was not due to any disagreement regarding company operations, policies, or practices.

• Board composition adjusted to reflect the reduced number of directors.