Donna M. Long
Insider
First SEC filing: June 2, 2022 · Latest: June 2, 2022
Insider at
Insider transactions
0 buys (P)
7 sells (S)
Net: $-297,340
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 17, 2026 | DORM | S 10b5-1 | 734 | $135.21 | $99,244 | 19,339 Direct | -3.66% | Disposed | -8.7% (price as of 2026-10-05) |
| March 12, 2026 | DORM | S 10b5-1 | 318 | $102.19 | $32,496 | 20,702 Direct | -1.51% | Disposed | 20.8% (price as of 2026-10-05) |
| March 12, 2026 | DORM | S 10b5-1 | 394 | $103.21 | $40,665 | 20,308 Direct | -1.90% | Disposed | 19.6% (price as of 2026-10-05) |
| March 12, 2026 | DORM | S 10b5-1 | 235 | $104.03 | $24,447 | 20,073 Direct | -1.16% | Disposed | 18.7% (price as of 2026-10-05) |
| March 4, 2026 | DORM | F | 531 | $116.16 | $61,681 | 21,020 Direct | -2.46% | Disposed | 6.3% (price as of 2026-10-05) |
| March 3, 2026 | DORM | F | 221 | $116.22 | $25,685 | 21,551 Direct | -1.02% | Disposed | 6.2% (price as of 2026-10-05) |
| March 2, 2026 | DORM | F | 66 | $115.93 | $7,651 | 19,275 Direct | -0.34% | Disposed | 6.5% (price as of 2026-10-05) |
| March 2, 2026 | DORM | F | 90 | $115.93 | $10,434 | 19,185 Direct | -0.47% | Disposed | 6.5% (price as of 2026-10-05) |
| March 2, 2026 | DORM | A | 2,587 | $115.93 | $299,911 | 21,772 Direct | +13.48% | Acquired | 6.5% (price as of 2026-10-05) |
| Feb. 19, 2026 | DORM | A | 2,715 | · | · | 20,571 Direct | +15.20% | Acquired | (price as of 2026-10-05) |
| Feb. 19, 2026 | DORM | F | 1,230 | $127.73 | $157,108 | 19,341 Direct | -5.98% | Disposed | -3.4% (price as of 2026-10-05) |
| Jan. 2, 2026 | DORM | S 10b5-1 | 53 | $122.69 | $6,503 | 18,615 Direct | -0.28% | Disposed | 0.6% (price as of 2026-10-05) |
| Jan. 2, 2026 | DORM | S 10b5-1 | 573 | $123.70 | $70,880 | 18,042 Direct | -3.08% | Disposed | -0.2% (price as of 2026-10-05) |
| Jan. 2, 2026 | DORM | S 10b5-1 | 186 | $124.22 | $23,105 | 17,856 Direct | -1.03% | Disposed | -0.6% (price as of 2026-10-05) |
| Aug. 14, 2025 | DORM | M | 807 | $84.93 | $68,539 | 18,668 Direct | +4.52% | Acquired | 45.3% (price as of 2026-10-05) |
| Aug. 14, 2025 | DORM | M | 807 | · | · | 424 Direct | -65.56% | Disposed | (price as of 2026-10-05) |
| Aug. 12, 2025 | DORM | S 10b5-1 | 1,213 | $150.00 | $181,950 | 17,861 Direct | -6.36% | Disposed | -17.7% (price as of 2026-10-05) |
| July 28, 2025 | DORM | S 10b5-1 | 2 | $121.60 | $243 | 19,892 Direct | -0.01% | Disposed | 1.5% (price as of 2026-10-05) |
| July 28, 2025 | DORM | S 10b5-1 | 818 | $122.21 | $99,968 | 19,074 Direct | -4.11% | Disposed | 1.0% (price as of 2026-10-05) |
| March 6, 2025 | DORM | S 10b5-1 | 321 | $129.06 | $41,428 | 20,315 Direct | -1.56% | Disposed | -4.4% (price as of 2026-10-05) |
| March 6, 2025 | DORM | S 10b5-1 | 140 | $129.85 | $18,179 | 20,175 Direct | -0.69% | Disposed | -4.9% (price as of 2026-10-05) |
| March 6, 2025 | DORM | S 10b5-1 | 197 | $131.78 | $25,961 | 19,978 Direct | -0.98% | Disposed | -6.3% (price as of 2026-10-05) |
| March 6, 2025 | DORM | S 10b5-1 | 84 | $133.05 | $11,176 | 19,894 Direct | -0.42% | Disposed | -7.2% (price as of 2026-10-05) |
| March 4, 2025 | DORM | F | 531 | $130.25 | $69,163 | 20,636 Direct | -2.51% | Disposed | -5.2% (price as of 2026-10-05) |
| March 3, 2025 | DORM | A | 1,524 | · | · | 21,167 Direct | +7.76% | Acquired | (price as of 2026-10-05) |
| March 2, 2025 | DORM | F | 1,342 | $131.46 | $176,419 | 19,643 Direct | -6.40% | Disposed | -6.1% (price as of 2026-10-05) |
| Feb. 20, 2025 | DORM | A | 1,602 | · | · | 21,728 Direct | +7.96% | Acquired | (price as of 2026-10-05) |
| Feb. 20, 2025 | DORM | F | 743 | $126.49 | $93,982 | 20,985 Direct | -3.42% | Disposed | -2.4% (price as of 2026-10-05) |
| Nov. 15, 2024 | DORM | M | 3,277 | $61.68 | $202,125 | 23,403 Direct | +16.28% | Acquired | 100.1% (price as of 2026-10-05) |
| Nov. 15, 2024 | DORM | S | 3,277 | $134.79 | $441,707 | 20,126 Direct | -14.00% | Disposed | -8.4% (price as of 2026-10-05) |
| Nov. 15, 2024 | DORM | M | 3,277 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 10, 2024 | DORM | S | 500 | $92.06 | $46,030 | 20,126 Direct | -2.42% | Disposed | 34.1% (price as of 2026-10-05) |
| March 6, 2024 | DORM | F | 361 | $91.01 | $32,855 | 20,626 Direct | -1.72% | Disposed | 35.6% (price as of 2026-10-05) |
| March 4, 2024 | DORM | A | 3,658 | · | · | 20,987 Direct | +21.11% | Acquired | (price as of 2026-10-05) |
| March 2, 2024 | DORM | F | 345 | $93.22 | $32,161 | 17,329 Direct | -1.95% | Disposed | 32.4% (price as of 2026-10-05) |
| March 6, 2023 | DORM | D | 412 | $84.88 | $34,971 | 17,674 Direct | -2.28% | Disposed | 45.4% (price as of 2026-10-05) |
| March 3, 2023 | DORM | M | 508 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 3, 2023 | DORM | F | 408 | $90.47 | $36,912 | 18,086 Direct | -2.21% | Disposed | 36.4% (price as of 2026-10-05) |
| March 3, 2023 | DORM | M | 508 | $72.55 | $36,855 | 18,494 Direct | +2.82% | Acquired | 70.1% (price as of 2026-10-05) |
| March 2, 2023 | DORM | A | 2,082 | · | · | 2,082 Direct | · | Acquired | (price as of 2026-10-05) |
| March 2, 2023 | DORM | A | 821 | · | · | 17,986 Direct | +4.78% | Acquired | (price as of 2026-10-05) |
| March 2, 2023 | DORM | F | 255 | $91.28 | $23,276 | 17,165 Direct | -1.46% | Disposed | 35.2% (price as of 2026-10-05) |
| Feb. 22, 2023 | DORM | F | 962 | $93.38 | $89,832 | 17,420 Direct | -5.23% | Disposed | 32.2% (price as of 2026-10-05) |
| Feb. 22, 2023 | DORM | A | 2,086 | · | · | 18,382 Direct | +12.80% | Acquired | (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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Aug. 14, 2025 | DORM | Employee Stock Option (right to buy) | Common Stock | $84.93 | March 6, 2027 | 807 | Disposed |
| Nov. 15, 2024 | DORM | Employee Stock Option (right to buy) | Common Stock | $61.68 | March 2, 2028 | 3,277 | Disposed |
| March 3, 2023 | DORM | Employee Stock Option (right to buy) | Common Stock | $72.55 | March 7, 2023 | 508 | Disposed |
| March 2, 2023 | DORM | Employee Stock Option (right to buy) | Common Stock | $91.28 | March 2, 2031 | 2,082 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 2, 2022 | DORM | Common Stock | 16,295 | Direct |
| June 2, 2022 | DORM | Employee Stock Option (right to buy) | 508 | Direct |
| June 2, 2022 | DORM | Employee Stock Option (right to buy) | 1,231 | Direct |
| June 2, 2022 | DORM | Employee Stock Option (right to buy) | 3,277 | Direct |
| June 2, 2022 | DORM | Employee Stock Option (right to buy) | 1,707 | Direct |
| June 2, 2022 | DORM | Employee Stock Option (right to buy) | 1,761 | Direct |