Insider at

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Insider transactions

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0 buys (P) 3 sells (S) Net: $-897,816 + 31 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

31 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 12, 2025 DORM S 2,000 $128.80 $257,600 9,112 Direct -18.00% Disposed -4.5% (price as of 2026-10-02)
Dec. 1, 2025 DORM S 3,987 $130.60 $520,702 12,023 Direct -24.90% Disposed -5.8% (price as of 2026-10-02)
Dec. 1, 2025 DORM S 911 $131.19 $119,514 11,112 Direct -7.58% Disposed -6.2% (price as of 2026-10-02)
Dec. 3, 2024 DORM S 2,042 $139.13 $284,103 13,097 Direct -13.49% Disposed -11.6% (price as of 2026-10-02)
Dec. 3, 2024 DORM S 870 $139.92 $121,730 12,227 Direct -6.64% Disposed -12.0% (price as of 2026-10-02)
Dec. 3, 2024 DORM S 1,146 $139.17 $159,489 12,327 Direct -8.51% Disposed -11.6% (price as of 2026-10-02)
Dec. 3, 2024 DORM S 100 $140.11 $14,011 12,227 Direct -0.81% Disposed -12.2% (price as of 2026-10-02)
Dec. 3, 2024 DORM S 581 $139.10 $80,817 12,348 Direct -4.49% Disposed -11.5% (price as of 2026-10-02)
Dec. 3, 2024 DORM S 121 $139.72 $16,906 12,227 Direct -0.98% Disposed -11.9% (price as of 2026-10-02)
Dec. 3, 2024 DORM S 2,280 $139.10 $317,148 9,947 Direct -18.65% Disposed -11.5% (price as of 2026-10-02)
Dec. 3, 2024 DORM S 1,045 $140.02 $146,321 8,902 Direct -10.51% Disposed -12.1% (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
Dec. 1, 2025 DORM Employee Stock Option (right to buy) Common Stock (1,356) $73.72 Nov. 1, 2027 1,356 Disposed
Dec. 1, 2025 DORM Employee Stock Option (right to buy) Common Stock (1,950) $101.45 March 2, 2029 1,950 Disposed
Dec. 1, 2025 DORM Employee Stock Option (right to buy) Common Stock (623) $96.36 March 2, 2030 623 Disposed
Dec. 1, 2025 DORM Employee Stock Option (right to buy) Common Stock (703) $91.28 March 2, 2031 703 Disposed
Dec. 5, 2024 DORM Employee Stock Option (right to buy) Common Stock (2,000) $73.72 Nov. 1, 2027 2,000 Disposed
Dec. 3, 2024 DORM Employee Stock Option (right to buy) Common Stock (2,912) $61.68 March 2, 2028 2,912 Disposed
Dec. 3, 2024 DORM Employee Stock Option (right to buy) Common Stock (1,246) $96.36 March 2, 2030 1,246 Disposed
Dec. 3, 2024 DORM Employee Stock Option (right to buy) Common Stock (702) $91.28 March 2, 2031 702 Disposed
March 2, 2023 DORM Employee Stock Option (right to buy) Common Stock (2,811) $91.28 March 2, 2031 2,811 Acquired

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

Initial ownership (Form 3) 5 holdings

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

DateTickerSecuritySharesOwnership
June 2, 2022 DORM Common Stock 6,811 Direct
June 2, 2022 DORM Employee Stock Option (right to buy)→ Common Stock (4,748) 4,748 Direct
June 2, 2022 DORM Employee Stock Option (right to buy)→ Common Stock (2,912) 2,912 Direct
June 2, 2022 DORM Employee Stock Option (right to buy)→ Common Stock (1,950) 1,950 Direct
June 2, 2022 DORM Employee Stock Option (right to buy)→ Common Stock (2,492) 2,492 Direct

Compensation (DEF 14A)

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

DORM

President, Heavy Duty
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2023 $446,598 · $452,148 $101,224 $214,200 · $22,131 $1,236,301

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