Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 11 years
- Director since
- 2023
11 years of board service in total across 3 boards, counting each seat separately. Longest: Universal Technical Institute Inc, 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Universal Technical Institute Inc March 6, 202596.7%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 25, 2026 | Sonos Inc. | Open-market purchase | +118,020 | $15.25 | $1,799,805 |
| Feb 24, 2026 | Sonos Inc. | Open-market purchase | +133,259 | $14.83 | $1,976,231 |
| Feb 23, 2026 | Sonos Inc. | Open-market purchase | +360,000 | $14.90 | $5,364,000 |
| Jun 24, 2025 | Sonos Inc. | Open-market purchase | +111,898 | $10.34 | $1,157,025 |
| Jun 23, 2025 | Sonos Inc. | Open-market purchase | +73,530 | $9.89 | $727,212 |
| Jun 20, 2025 | Sonos Inc. | Open-market purchase | +238,000 | $9.92 | $2,360,960 |
| May 27, 2025 | Universal Technical Institute Inc | Open-market sale | −500,000 | $35.00 | $17,500,000 |
| Mar 4, 2025 | Accendra Health Inc. | Open-market purchase | +800,000 | $9.75 | $7,800,000 |
| Mar 3, 2025 | Accendra Health Inc. | Open-market purchase | +354,901 | $9.19 | $3,261,540 |
| Feb 28, 2025 | Accendra Health Inc. | Open-market purchase | +1,738,511 | $9.39 | $16,324,618 |
| Feb 10, 2025 | Universal Technical Institute Inc | Open-market sale | −704,881 | $28.20 | $19,877,644 |
| Dec 30, 2024 | MasterCraft Boat Holdings Inc. | Open-market purchase | +55,000 | $18.83 | $1,035,650 |
| Dec 27, 2024 | MasterCraft Boat Holdings Inc. | Open-market purchase | +81,092 | $18.40 | $1,492,093 |
| Dec 26, 2024 | MasterCraft Boat Holdings Inc. | Open-market purchase | +53,853 | $18.87 | $1,016,206 |
| Feb 15, 2024 | Universal Technical Institute Inc | Open-market sale | −3,956,427 | $15.05 | $59,544,226 |
Questions about Christopher S. Shackelton
What boards is Christopher S. Shackelton on?
Christopher S. Shackelton sits on the boards of Blue Bird Corporation, Purple Innovation Inc. and Universal Technical Institute Inc.
How long has Christopher S. Shackelton served on boards?
Our records show at least 11 years of board service across 3 boards, the earliest from 2023.
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