Gregory R. Adelson
President & CEO at Jack Henry & Associates Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 1 year
- Director since
- 2025
1 year of board service in total across 1 board, counting each seat separately. Longest: Jack Henry & Associates Inc., 1 year.
Chief executive roles
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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Jack Henry & Associates Inc. November 12, 202598.3%
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 |
|---|---|---|---|---|---|
| Aug 27, 2026 | Jack Henry & Associates Inc. | Grant or award | +2,456 | — | — |
| Aug 27, 2026 | Jack Henry & Associates Inc. | Shares withheld for tax | −1,090 | $172.39 | $187,905 |
| Aug 27, 2026 | Jack Henry & Associates Inc. | Grant or award | +1,114 | — | — |
| Aug 27, 2026 | Jack Henry & Associates Inc. | Shares withheld for tax | −495 | $172.39 | $85,333 |
| Aug 27, 2026 | Jack Henry & Associates Inc. | Grant or award | +2,620 | — | — |
| Aug 27, 2026 | Jack Henry & Associates Inc. | Shares withheld for tax | −1,162 | $172.39 | $200,317 |
| Aug 4, 2026 | Jack Henry & Associates Inc. | Option exercise | +1,455 | — | — |
| Aug 4, 2026 | Jack Henry & Associates Inc. | Shares withheld for tax | −646 | $156.53 | $101,118 |
| Aug 4, 2026 | Jack Henry & Associates Inc. | Option exercise | +3,917 | — | — |
| Aug 4, 2026 | Jack Henry & Associates Inc. | Shares withheld for tax | −1,738 | $156.53 | $272,049 |
| Aug 4, 2026 | Jack Henry & Associates Inc. | Option exercise | +4,783 | — | — |
| Aug 4, 2026 | Jack Henry & Associates Inc. | Shares withheld for tax | −2,122 | $156.53 | $332,157 |
| May 14, 2026 | Jack Henry & Associates Inc. | Open-market purchase | +2,000 | $133.42 | $266,840 |
| Aug 28, 2025 | Jack Henry & Associates Inc. | Grant or award | +2,522 | — | — |
| Aug 28, 2025 | Jack Henry & Associates Inc. | Shares withheld for tax | −1,119 | $162.74 | $182,106 |
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