Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 36 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

36 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Nov. 12, 2024 ALTO P 37,000 $1.36 $50,320 834,265 Direct +4.64% Acquired 178.7% (price as of 2026-10-05)
Nov. 12, 2021 ALTO P 4,000 $5.80 $23,200 304,816 Direct +1.33% Acquired -34.7% (price as of 2026-10-05)
Aug. 27, 2020 ALTO P 5,000 $3.55 $17,750 287,725 Direct +1.77% Acquired 6.8% (price as of 2026-10-05)
Aug. 26, 2020 ALTO P 5,000 $3.30 $16,500 282,725 Direct +1.80% Acquired 14.8% (price as of 2026-10-05)
March 16, 2018 ALTO P 2,500 $3.55 $8,875 122,108 Direct +2.09% Acquired 6.8% (price as of 2026-10-05)
Nov. 11, 2015 ALTO P 2,000 $4.25 $8,500 73,255 Direct +2.81% Acquired -10.8% (price as of 2026-10-05)
Nov. 10, 2015 ALTO P 2,000 $4.65 $9,300 71,255 Direct +2.89% Acquired -18.5% (price as of 2026-10-05)
Nov. 9, 2015 ALTO P 3,000 $4.95 $14,850 69,255 Direct +4.53% Acquired -23.4% (price as of 2026-10-05)
Aug. 7, 2015 ALTO P 976 $7.30 $7,125 66,255 Direct +1.50% Acquired -48.1% (price as of 2026-10-05)
Aug. 5, 2015 ALTO P 2,024 $7.40 $14,978 65,279 Direct +3.20% Acquired -48.8% (price as of 2026-10-05)
Nov. 20, 2013 ALTO P 2,000 $2.70 $5,400 46,408 Direct +4.50% Acquired 40.4% (price as of 2026-10-05)
May 22, 2013 ALTO P 2,000 $5.10 $10,200 28,852 Direct +7.45% Acquired -25.7% (price as of 2026-10-05)
Nov. 4, 2011 ALTO P 3,100 $0.75 $2,325 99,701 Direct +3.21% Acquired -66.3% (price as of 2026-10-05)
Nov. 4, 2011 ALTO P 6,900 $0.75 $5,175 96,601 Direct +7.69% Acquired -66.3% (price as of 2026-10-05)
Nov. 2, 2011 ALTO P 13,170 $0.50 $6,585 89,701 Direct +17.21% Acquired -49.5% (price as of 2026-10-05)
Nov. 2, 2011 ALTO P 1,830 $0.50 $915 76,531 Direct +2.45% Acquired -49.5% (price as of 2026-10-05)
Aug. 18, 2011 ALTO P 10,000 $0.35 $3,500 74,701 Direct +15.46% Acquired -27.8% (price as of 2026-10-05)
June 15, 2011 ALTO P 300 $1.45 $435 44,700 Direct +0.68% Acquired -82.6% (price as of 2026-10-05)
June 15, 2011 ALTO P 700 $1.44 $1,008 44,400 Direct +1.60% Acquired -82.5% (price as of 2026-10-05)
June 15, 2011 ALTO P 4,000 $1.47 $5,880 43,700 Direct +10.08% Acquired -82.8% (price as of 2026-10-05)

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
June 24, 2013 ALTO Stock Option (Right to Buy) Common Stock (31,746) $3.74 June 24, 2023 31,746 Acquired
Aug. 1, 2011 ALTO Stock Option (Right to Buy) [F1] Common Stock (25,714) $0.86 Aug. 1, 2021 25,714 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
April 28, 2009 ALTO Common Stock 5,000 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $553,980 · $354,540 · $545,800 · $22,900 $1,477,220
2024 $537,115 · $615,760 · $87,360 · $22,500 $1,262,735
2021 $336,130 · $252,640 · $302,600 · $19,000 $910,370

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.