John D Pirnot
CIK 1378780 · View on SEC EDGAR ↗
First SEC filing: Oct. 26, 2006 · Latest: Oct. 26, 2006
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Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 24, 2007 | AEIS | A | 6,250 | $22.47 | $140,438 | 30,625 Direct | +25.64% | Acquired | 1227.2% (price as of 2026-08-19) |
| April 27, 2007 | AEIS | A | 6,250 | $24.21 | $151,312 | 18,125 Direct | +52.63% | Acquired | 1131.8% (price as of 2026-08-19) |
| Feb. 21, 2007 | AEIS | A | 6,250 | $20.19 | $126,188 | 18,125 Direct | +52.63% | Acquired | 1377.1% (price as of 2026-08-19) |
| Feb. 15, 2007 | AEIS | F | 139 | $20.26 | $2,816 | 1,906 Direct | -6.80% | Disposed | 1372.0% (price as of 2026-08-19) |
| Jan. 31, 2007 | AEIS | F | 37 | $17.33 | $641 | 2,045 Direct | -1.78% | Disposed | 1620.8% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 24, 2007 | AEIS | Employee Stock Option (right to buy) | Common Stock (6,250) | $22.47 | July 24, 2017 | 6,250 | Acquired |
| April 27, 2007 | AEIS | Employee Stock Option (right to buy) | Common Stock (6,250) | $24.21 | April 27, 2017 | 6,250 | Acquired |
| Feb. 21, 2007 | AEIS | Employee Stock Option (right to buy) | Common Stock (6,250) | $20.19 | Feb. 21, 2017 | 6,250 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 26, 2006 | AEIS | Common Stock | 32 | Direct |
| Oct. 26, 2006 | AEIS | Common Stock | — | Direct |
| Oct. 26, 2006 | AEIS | Employee Stock Option (right to buy)→ Common Stock (5,000) | 5,000 | Direct |
| Oct. 26, 2006 | AEIS | Employee Stock Option (right to buy)→ Common Stock (5,000) | 5,000 | Direct |
| Oct. 26, 2006 | AEIS | Employee Stock Option (right to buy)→ Common Stock (1,875) | 1,875 | Direct |