He stated he would supply the exact figures later but added, "But I know it happens."
Calhoun also clarified that he had not directly spoken to any families of whistleblowers.
Ranking member Sen. Ron Johnson questioned whether such engagement would be beneficial, and Calhoun agreed it would.
Blumenthal criticized Boeing's managerial accountability, suggesting executives shift blame downward.
"In effect, scapegoat workers rather than the management team responsible ultimately for conducting the company," he said.
Blumenthal pointed out that Calhoun failed to provide exact numbers regarding a prior legal settlement penalty, telling him, "You must know the precise number.
You're the CEO of the company."
He stated that structural management changes are necessary to correct the corporate culture.
"I think that you have certainly demonstrated that you can talk about these changes, but making the changes may well require a different team," Blumenthal said.
Republican Sen.
Josh Hawley heavily criticized Calhoun regarding his $32.8 million annual salary and the lack of company profits during his tenure.
"You're the problem," Hawley said, urging the chief executive to step down immediately rather than waiting for his planned retirement.
"And I just hope to God you don't destroy this company before it can be saved," Hawley added.
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When questioned about his duties relative to his compensation, Calhoun defended his role: "I get paid to run the Boeing company."
Hawley asked if transparency and safety were included in his duties, then questioned how much he was paid.