Insider at

04

Insider transactions

05
0 buys (P) 8 sells (S) Net: $-13,937,924 + 67 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

67 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 17, 2026 AGX S 2,000 $699.00 $1,398,000 4,880 Direct -29.07% Disposed -45.1% (price as of 2026-10-02)
June 16, 2026 AGX S 4,728 $708.65 $3,350,497 6,880 Direct -40.73% Disposed -45.8% (price as of 2026-10-02)
April 29, 2026 AGX S 3,000 $628.36 $1,885,080 6,847 Direct -30.47% Disposed -38.9% (price as of 2026-10-02)
April 2, 2026 AGX S 2,581 $552.73 $1,426,596 10,847 Direct -19.22% Disposed -30.6% (price as of 2026-10-02)
Jan. 8, 2026 AGX S 6,595 $313.71 $2,068,917 7,847 Direct -45.67% Disposed 22.4% (price as of 2026-10-02)
Jan. 7, 2026 AGX S 4,000 $328.34 $1,313,360 7,847 Direct -33.76% Disposed 16.9% (price as of 2026-10-02)
Oct. 20, 2025 AGX S 6,493 $294.39 $1,911,474 9,897 Direct -39.62% Disposed 30.4% (price as of 2026-10-02)
Oct. 17, 2025 AGX S 2,000 $292.00 $584,000 16,390 Direct -10.88% Disposed 31.4% (price as of 2026-10-02)
Sept. 19, 2025 AGX S 1,000 $264.54 $264,540 11,896 Direct -7.75% Disposed 45.1% (price as of 2026-10-02)
Sept. 17, 2025 AGX S 2,609 $239.68 $625,325 12,896 Direct -16.83% Disposed 60.1% (price as of 2026-10-02)
June 26, 2025 AGX S 3,456 $212.01 $732,707 14,895 Direct -18.83% Disposed 81.0% (price as of 2026-10-02)
April 16, 2025 AGX S 5,000 $145.03 $725,150 11,496 Direct -30.31% Disposed 164.7% (price as of 2026-10-02)
April 14, 2025 AGX S 2,292 $150.35 $344,602 9,500 Direct -19.44% Disposed 155.3% (price as of 2026-10-02)
Jan. 14, 2025 AGX S 7,385 $165.29 $1,220,667 11,792 Direct -38.51% Disposed 132.2% (price as of 2026-10-02)
Jan. 10, 2025 AGX S 800 $155.24 $124,192 19,177 Direct -4.00% Disposed 147.2% (price as of 2026-10-02)
July 24, 2024 AGX S 1,405 $78.36 $110,096 13,000 Direct -9.75% Disposed 389.8% (price as of 2026-10-02)
April 17, 2020 AGX P 1,000 $35.10 $35,100 12,000 Direct +9.09% Acquired 993.5% (price as of 2026-10-02)
April 26, 2017 AGX S 1,500 $67.74 $101,610 11,000 Direct -12.00% Disposed 466.6% (price as of 2026-10-02)
April 25, 2017 AGX S 1,500 $67.69 $101,535 12,500 Direct -10.71% Disposed 467.0% (price as of 2026-10-02)
Jan. 13, 2017 AGX S 5,000 $70.58 $352,900 14,000 Direct -26.32% Disposed 443.8% (price as of 2026-10-02)
Oct. 12, 2016 AGX S 1,935 $57.71 $111,669 11,000 Direct -14.96% Disposed 565.1% (price as of 2026-10-02)
Oct. 4, 2016 AGX S 400 $58.17 $23,268 0 Indirect -100.00% Disposed 559.8% (price as of 2026-10-02)
Oct. 4, 2016 AGX S 500 $58.21 $29,105 0 Indirect -100.00% Disposed 559.4% (price as of 2026-10-02)
Dec. 15, 2015 AGX P 900 $32.68 $29,412 4,235 Indirect +26.99% Acquired 1074.5% (price as of 2026-10-02)
Dec. 15, 2015 AGX P 1,400 $32.50 $45,500 3,335 Indirect +72.35% Acquired 1081.0% (price as of 2026-10-02)
Dec. 15, 2015 AGX P 1,000 $32.50 $32,500 2,935 Direct +51.68% Acquired 1081.0% (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
Sept. 22, 2026 AGX Option to Purchase Common Stock Common Stock (1,000) $40.15 Dec. 23, 2029 1,000 Disposed
June 15, 2026 AGX Option to Purchase Common Stock Common Stock (5,000) $35.72 Dec. 16, 2033 5,000 Disposed
June 10, 2026 AGX Time-Based Restricted Stock Units Common Stock (189) $0.00 · 189 Acquired
June 10, 2026 AGX Time-Based Restricted Stock Units Common Stock (530) $0.00 · 530 Disposed
April 1, 2026 AGX Option to Purchase Common Stock Common Stock (5,000) $37.13 Dec. 14, 2031 5,000 Disposed
April 1, 2026 AGX Option to Purchase Common Stock Common Stock (1,000) $43.70 Dec. 14, 2034 1,000 Disposed
Jan. 7, 2026 AGX Option to Purchase Common Stock Common Stock (7,500) $40.15 Dec. 23, 2029 7,500 Disposed
Dec. 16, 2025 AGX Time-Based Restricted Stock Units Common Stock (1,750) $0.00 · 1,750 Disposed
Dec. 14, 2025 AGX Time-Based Restricted Stock Units Common Stock (833) $0.00 · 833 Disposed
Oct. 15, 2025 AGX Option to Purchase Common Stock Common Stock (10,000) $46.35 Jan. 11, 2028 10,000 Disposed
Sept. 15, 2025 AGX Option to Purchase Common Stock Common Stock (3,000) $30.44 Jan. 7, 2026 3,000 Disposed
June 23, 2025 AGX Option to Purchase Common Stock Common Stock (10,000) $71.75 Jan. 5, 2027 10,000 Disposed
June 17, 2025 AGX Time-Based Restricted Stock Units Common Stock (530) $0.00 · 530 Acquired
June 10, 2025 AGX Time-Based Restricted Stock Units Common Stock (388) $0.00 · 388 Disposed
April 14, 2025 AGX Option to Purchase Common Stock Common Stock (10,000) $45.75 Dec. 14, 2030 10,000 Disposed
Jan. 10, 2025 AGX Option to Purchase Common Stock Common Stock (10,000) $41.19 Dec. 12, 2028 10,000 Disposed
Dec. 14, 2024 AGX Time-Based Restricted Stock Units Common Stock (1,750) $0.00 · 1,750 Disposed
Dec. 14, 2024 AGX Time-Based Restricted Stock Units Common Stock (833) $0.00 · 833 Disposed
Dec. 12, 2024 AGX Time-Based Restricted Stock Units Common Stock (388) $0.00 · 388 Acquired
July 19, 2024 AGX Option to Purchase Common Stock Common Stock (4,000) $30.44 Jan. 7, 2026 4,000 Disposed
Dec. 14, 2023 AGX Option to Purchase Common Stock Common Stock (1,500) $43.70 Dec. 14, 2033 1,500 Acquired
Dec. 14, 2023 AGX Time-Based Restricted Stock Units Common Stock (2,500) $0.00 Dec. 14, 2026 2,500 Acquired
Dec. 16, 2022 AGX Option to Purchase Common Stock Common Stock (5,000) $35.72 Dec. 16, 2032 5,000 Acquired
Dec. 16, 2022 AGX Time-Based Restricted Stock Units Common Stock (1,750) $0.00 Dec. 16, 2025 1,750 Acquired
Dec. 14, 2021 AGX Option to Purchase Common Stock Common Stock (5,000) $37.13 Dec. 14, 2031 5,000 Acquired
Dec. 14, 2021 AGX Time-Based Restricted Stock Units Common Stock (1,750) $0.00 Dec. 14, 2024 1,750 Acquired
Dec. 14, 2020 AGX Stock Option to Purchase Common Stock Common Stock (10,000) $45.75 Dec. 14, 2030 10,000 Acquired
Dec. 23, 2019 AGX Stock Option to Purchase Common Stock Common Stock (10,000) $40.15 Dec. 23, 2029 10,000 Acquired
Dec. 12, 2018 AGX Stock Option to purchase Common Stock Common Stock (10,000) $41.19 Jan. 11, 2028 10,000 Acquired
Jan. 11, 2018 AGX Stock Option to purchase Common Stock Common Stock (10,000) $46.35 Jan. 11, 2028 10,000 Acquired
Jan. 13, 2017 AGX Stock Option to purchase Common Stock Common Stock (5,000) $31.82 Dec. 11, 2024 5,000 Disposed
Jan. 11, 2017 AGX Stock Option to purchase Common Stock Common Stock (3,000) $30.44 Jan. 7, 2026 3,000 Disposed
Jan. 5, 2017 AGX Stock Option to purchase Common Stock Common Stock (10,000) $71.75 Jan. 5, 2027 10,000 Acquired
Jan. 7, 2016 AGX Stock Option to purchase Common Stock Common Stock (10,000) $30.44 Jan. 7, 2026 10,000 Acquired
Dec. 11, 2014 AGX Stock Option to purchase Common Stock Common Stock (15,000) $31.82 Dec. 11, 2024 15,000 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
Dec. 12, 2014 AGX Common Stock 1,935 Direct