John Charles O'Hara
Chief Financial Officer at SEALSQ Corp
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 9 months
- Director since
- 2026
9 months of board service in total across 2 boards, counting each seat separately. Longest: SEALSQ Corp, 7 months.
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 |
|---|---|---|---|---|---|
| Jun 5, 2026 | SEALSQ Corp | Open-market sale | −143 | $3.51 | $502 |
| Jun 3, 2026 | SEALSQ Corp | Open-market sale | −5,582 | $3.53 | $19,704 |
| Jun 2, 2026 | SEALSQ Corp | Open-market sale | −10,000 | $3.69 | $36,900 |
| May 29, 2026 | SEALSQ Corp | Open-market sale | −10,000 | $3.51 | $35,100 |
| May 27, 2026 | SEALSQ Corp | Open-market sale | −4,689 | $3.50 | $16,412 |
| Apr 24, 2026 | SEALSQ Corp | Open-market sale | −5,250 | $2.91 | $15,278 |
| Apr 23, 2026 | SEALSQ Corp | Open-market sale | −10,000 | $2.88 | $28,800 |
| Apr 22, 2026 | SEALSQ Corp | Open-market sale | −10,000 | $3.06 | $30,600 |
| Apr 21, 2026 | SEALSQ Corp | Open-market sale | −10,000 | $3.04 | $30,400 |
| Apr 20, 2026 | SEALSQ Corp | Open-market sale | −10,000 | $2.79 | $27,900 |
| Apr 17, 2026 | SEALSQ Corp | Open-market sale | −10,000 | $2.72 | $27,200 |
| Apr 16, 2026 | SEALSQ Corp | Open-market sale | −10,000 | $2.69 | $26,900 |
| Apr 13, 2026 | SEALSQ Corp | Option exercise | +130,500 | $0.01 | $1,305 |
| Apr 9, 2026 | SEALSQ Corp | Open-market sale | −10,000 | $2.08 | $20,800 |
| Apr 8, 2026 | SEALSQ Corp | Open-market sale | −10,000 | $2.20 | $22,000 |
Questions about John Charles O'Hara
What boards is John Charles O'Hara on?
John Charles O'Hara sits on the boards of SEALSQ Corp and WISeKey International Holding Ltd.
How long has John Charles O'Hara served on boards?
Our records show at least 9 months of board service across 2 boards, the earliest from 2026.
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