Insider at

04

Insider transactions

05
0 buys (P) 9 sells (S) Net: $-615,143 + 14 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

14 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 8, 2026 AEIS S 10b5-1 265 $288.14 $76,357 7,952 Indirect -3.23% Disposed 5.6% (price as of 2026-10-02)
Aug. 5, 2026 AEIS S 10b5-1 270 $345.00 $93,150 8,217 Indirect -3.18% Disposed -11.8% (price as of 2026-10-02)
April 15, 2026 AEIS S 10b5-1 240 $380.52 $91,325 6,174 Indirect -3.74% Disposed -20.0% (price as of 2026-10-02)
March 16, 2026 AEIS S 10b5-1 240 $312.59 $75,022 6,414 Indirect -3.61% Disposed -2.7% (price as of 2026-10-02)
Feb. 17, 2026 AEIS S 10b5-1 240 $311.04 $74,650 6,654 Indirect -3.48% Disposed -2.2% (price as of 2026-10-02)
Jan. 15, 2026 AEIS S 10b5-1 240 $247.00 $59,280 6,894 Indirect -3.36% Disposed 23.2% (price as of 2026-10-02)
Dec. 15, 2025 AEIS S 10b5-1 240 $218.40 $52,416 7,134 Indirect -3.25% Disposed 39.3% (price as of 2026-10-02)
Nov. 17, 2025 AEIS S 10b5-1 240 $200.27 $48,065 7,374 Indirect -3.15% Disposed 51.9% (price as of 2026-10-02)
Oct. 15, 2025 AEIS S 10b5-1 240 $186.99 $44,878 7,614 Indirect -3.06% Disposed 62.7% (price as of 2026-10-02)
Sept. 15, 2025 AEIS S 10b5-1 240 $157.25 $37,740 7,854 Indirect -2.97% Disposed 93.5% (price as of 2026-10-02)
Aug. 15, 2025 AEIS S 10b5-1 240 $160.42 $38,501 8,094 Indirect -2.88% Disposed 89.7% (price as of 2026-10-02)
July 15, 2025 AEIS S 10b5-1 240 $143.27 $34,385 8,334 Indirect -2.80% Disposed 112.4% (price as of 2026-10-02)
June 16, 2025 AEIS S 10b5-1 240 $124.39 $29,854 8,574 Indirect -2.72% Disposed 144.6% (price as of 2026-10-02)
Sept. 3, 2024 AEIS S 10b5-1 148 $104.64 $15,487 6,721 Direct -2.15% Disposed 190.8% (price as of 2026-10-02)
Aug. 1, 2024 AEIS S 10b5-1 148 $114.49 $16,945 6,869 Direct -2.11% Disposed 165.8% (price as of 2026-10-02)
July 1, 2024 AEIS S 10b5-1 148 $108.48 $16,055 7,017 Direct -2.07% Disposed 180.5% (price as of 2026-10-02)
June 3, 2024 AEIS S 10b5-1 148 $108.48 $16,055 7,165 Direct -2.02% Disposed 180.5% (price as of 2026-10-02)
May 1, 2024 AEIS S 10b5-1 148 $94.99 $14,059 5,056 Direct -2.84% Disposed 220.3% (price as of 2026-10-02)
April 1, 2024 AEIS S 10b5-1 148 $101.89 $15,080 5,204 Direct -2.77% Disposed 198.6% (price as of 2026-10-02)
March 1, 2024 AEIS S 10b5-1 148 $101.35 $15,000 5,352 Direct -2.69% Disposed 200.2% (price as of 2026-10-02)
Feb. 1, 2024 AEIS S 10b5-1 148 $105.05 $15,547 5,500 Direct -2.62% Disposed 189.7% (price as of 2026-10-02)
Jan. 2, 2024 AEIS S 10b5-1 148 $107.44 $15,901 5,648 Direct -2.55% Disposed 183.2% (price as of 2026-10-02)
Dec. 1, 2023 AEIS S 10b5-1 148 $94.32 $13,959 5,796 Direct -2.49% Disposed 222.6% (price as of 2026-10-02)
Nov. 1, 2023 AEIS S 10b5-1 148 $87.39 $12,934 5,944 Direct -2.43% Disposed 248.2% (price as of 2026-10-02)
Oct. 2, 2023 AEIS S 10b5-1 148 $103.26 $15,282 6,092 Direct -2.37% Disposed 194.7% (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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 7, 2026 AEIS Restricted Stock Units Common Stock (587) · · 587 Acquired
May 2, 2026 AEIS Restricted Stock Units Common Stock (2,313) · · 2,313 Disposed
May 3, 2025 AEIS Restricted Stock Units Common Stock (2,093) · · 2,093 Disposed
May 2, 2025 AEIS Restricted Stock Units Common Stock (2,313) · · 2,313 Acquired
May 5, 2024 AEIS Restricted Stock Units Common Stock (2,257) · · 2,257 Disposed
May 3, 2024 AEIS Restricted Stock Units Common Stock (2,093) $0.00 · 2,093 Acquired
May 5, 2023 AEIS Common Stock Common Stock (2,257) $0.00 · 2,257 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
July 1, 2026 ADTN Common Stock 0 Direct