---
schema_version: "secwatch.filing_event.v1"
accession: "0001094285-23-000100"
form_type: "8-K"
ticker: "TDY"
cik: "0001094285"
company_name: "TELEDYNE TECHNOLOGIES INC"
filed_at: "2023-07-31T23:59:59+00:00"
generated_at: "2026-06-12T21:45:55.714589+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Teledyne promotes Bobb to EVP, CFO Main to retire; Blackwood named successor CFO

## Summary
- George Bobb promoted to Executive VP, effective July 25, 2023; remains head of Aerospace & Defense Electronics.
- CFO Susan Main will retire on December 1, 2023; joined Teledyne in 2004, CFO since 2012.
- Stephen Blackwood promoted to SVP and CFO effective December 1, 2023; currently SVP Strategic Sourcing, Tax and Treasurer.
- Luis Arrieta joins as Executive Director and Associate Treasurer; expected to become VP and Treasurer on Dec 1.

## SEC filing metadata
- accession: 0001094285-23-000100
- form_type: 8-K
- ticker: TDY
- cik: 0001094285
- company_name: TELEDYNE TECHNOLOGIES INC
- filed_at: 2023-07-31T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1094285/000109428523000100/0001094285-23-000100-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1094285/000109428523000100/tdy-20230725.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001094285-23-000100
- JSON: https://secwatch.observer/filing/0001094285-23-000100.json
- Plain text: https://secwatch.observer/filing/0001094285-23-000100.txt

## Key facts
- Executive change
  Susan L. Main departed as Senior Vice President and Chief Financial Officer at TELEDYNE TECHNOLOGIES INC.
  - Action: retiring
  - Role: Senior Vice President and Chief Financial Officer
  source text: Susan L. Main, Senior Vice President and Chief Financial Officer, will be retiring from her position at Teledyne, effective December 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1094285/000109428523000100/0001094285-23-000100-index.htm
- Executive change
  Stephen F. Blackwood was appointed as Senior Vice President and Chief Financial Officer at TELEDYNE TECHNOLOGIES INC.
  - Action: appointed
  - Role: Senior Vice President and Chief Financial Officer
  source text: Stephen F. Blackwood, Teledyne’s current Senior Vice President, Strategic Sourcing, Tax and Treasurer will succeed Ms. Main and become Senior Vice President and Chief Financial Officer on December 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1094285/000109428523000100/0001094285-23-000100-index.htm
- Executive change
  George C. Bobb III changed role as Executive Vice President at TELEDYNE TECHNOLOGIES INC.
  - Action: promoted
  - Role: Executive Vice President
  source text: George C. Bobb III was promoted to the position of Executive Vice President of Teledyne, effective July 25, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1094285/000109428523000100/0001094285-23-000100-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.