After filing a 409 report with the SEC, the procurement officer's next step should be to document a corrective action plan. This plan outlines the steps that will be taken to address the missed supplier deliveries and ensure that such issues do not recur. The plan should include root cause analysis, actions to mitigate the risk of future delays, and a timeline for implementation. Reviewing legal options, changing contracts, or terminating supplier contracts may be components of the corrective action plan, but documenting the plan is the immediate next step to systematically address the issue and communicate internally and externally as required.
References:
* Institute for Supply Management (ISM). (2020). ISM Glossary of Key Supply Management Terms.
* Securities and Exchange Commission (SEC) Regulations.

The Kraljic matrix is a strategic tool used to segment spend based on the value of the spend relative to the market risk to acquire. It categorizes purchases into four quadrants: strategic items, leverage items, bottleneck items, and non-critical items. This matrix helps organizations develop appropriate sourcing strategies based on the importance and supply risk associated with each category.
References
* Purchasing and Supply Management by Michiel R. Leenders, P. Fraser Johnson, Anna E. Flynn, and Harold E. Fearon
* "Purchasing Must Become Supply Management" by Peter Kraljic, Harvard Business Review

The next step in the process is to conduct a phase-out meeting with all stakeholders to finalize the decision on which supplier will be awarded the business. This meeting allows the project team to review the proposals, discuss any final concerns, and make a collaborative decision based on the success criteria established at the initial project meeting. It ensures that all aspects, including performance, cost savings, and any potential risks, are considered before awarding the contract to the selected supplier. References:
* Project Management: A Systems Approach to Planning, Scheduling, and Controlling by Harold Kerzner.
* Strategic Supply Management: Principles, Theories and Practice by Paul Cousins, Richard Lamming, Benn Lawson, and Brian Squire.