Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 26 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

26 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 23, 2025 AMPY S 5,500 $3.65 $20,075 29,117 Direct -15.89% Disposed 19.5% (price as of 2026-10-02)
Aug. 12, 2024 AMPY S 6,000 $7.03 $42,180 20,797 Direct -22.39% Disposed -38.0% (price as of 2026-10-02)
Dec. 21, 2023 AMPY S 2,000 $5.93 $11,860 11,723 Direct -14.57% Disposed -26.5% (price as of 2026-10-02)
Aug. 18, 2023 AMPY S 3,000 $6.60 $19,800 7,643 Direct -28.19% Disposed -33.9% (price as of 2026-10-02)
June 23, 2023 AMPY S 3,000 $6.45 $19,350 10,643 Direct -21.99% Disposed -32.4% (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
Nov. 14, 2025 AMPY Restricted Stock Units Common Stock · · 51,050 Disposed
Feb. 1, 2025 AMPY Restricted Stock Units Common Stock · · 24,971 Disposed
Feb. 1, 2025 AMPY Restricted Stock Units Common Stock · · 28,697 Acquired
July 1, 2024 AMPY Restricted Stock Units Common Stock · · 9,706 Disposed
Feb. 1, 2024 AMPY Restricted Stock Units Common Stock · · 25,111 Acquired
Feb. 1, 2024 AMPY Restricted Stock Units Common Stock · · 16,601 Disposed
July 1, 2023 AMPY Restricted Stock Units Common Stock · · 9,705 Disposed
Feb. 1, 2023 AMPY Restricted Stock Units Common Stock · · 16,836 Acquired
Feb. 1, 2023 AMPY Restricted Stock Units Common Stock · · 10,989 Disposed
Feb. 1, 2022 AMPY Restricted Stock Units Common Stock (32,967) · · 32,967 Acquired
July 1, 2021 AMPY Restricted Stock Units Common Stock (29,116) · · 29,116 Acquired

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