Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 5 non-open-market transactions below last 12 months, based on the transactions shown below

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.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 19, 2004 AEIS A 3,750 $10.37 $38,888 115,000 Direct +3.37% Acquired 2834.2% (price as of 2026-10-02)
Aug. 26, 2004 AEIS A 50,000 $9.97 $498,500 111,250 Direct +81.63% Acquired 2952.0% (price as of 2026-10-02)
July 20, 2004 AEIS A 3,750 $12.80 $48,000 61,250 Direct +6.52% Acquired 2277.2% (price as of 2026-10-02)
April 14, 2004 AEIS A 3,750 $20.81 $78,038 57,500 Direct +6.98% Acquired 1362.2% (price as of 2026-10-02)
Feb. 11, 2004 AEIS A 3,750 $22.30 $83,625 53,750 Direct +7.50% Acquired 1264.5% (price as of 2026-10-02)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Oct. 19, 2004 AEIS Employee Stock Option (right to buy) Common Stock (3,750) $10.37 Oct. 19, 2014 3,750 Acquired
Aug. 26, 2004 AEIS Employee Stock Option (right to buy) Common Stock (50,000) $9.97 Aug. 26, 2014 50,000 Acquired
July 20, 2004 AEIS Employee Stock Option (right to buy) Common Stock (3,750) $12.80 July 20, 2014 3,750 Acquired
April 14, 2004 AEIS Employee Stock Option (right to buy) Common Stock (3,750) $20.81 April 14, 2014 3,750 Acquired
Feb. 11, 2004 AEIS Employee Stock Option (right to buy) Common Stock (3,750) $22.30 Feb. 11, 2014 3,750 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Oct. 23, 2003 AEIS Common Stock 0 Direct
Oct. 23, 2003 AEIS Common Stock→ Common Stock (50,000) 50,000 Direct