Randolph Altschuler
Insider
First SEC filing: July 1, 2021 · Latest: June 8, 2026
Insider at
Insider transactions
0 buys (P)
44 sells (S)
Net: $-10,078,522
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 2, 2026 | XMTR | S | 1,632 | $101.39 | $165,468 | 427,118 Direct | -0.38% | Disposed | 1.1% (price as of 2026-10-02) |
| Oct. 2, 2026 | XMTR | S | 1,068 | $102.38 | $109,342 | 426,050 Direct | -0.25% | Disposed | 0.1% (price as of 2026-10-02) |
| Oct. 2, 2026 | XMTR | S | 1,124 | $103.53 | $116,368 | 424,926 Direct | -0.26% | Disposed | -1.0% (price as of 2026-10-02) |
| Oct. 2, 2026 | XMTR | S | 470 | $104.40 | $49,068 | 424,456 Direct | -0.11% | Disposed | -1.8% (price as of 2026-10-02) |
| Oct. 2, 2026 | XMTR | S | 1,334 | $105.66 | $140,950 | 423,122 Direct | -0.31% | Disposed | -3.0% (price as of 2026-10-02) |
| Oct. 2, 2026 | XMTR | S | 93 | $106.36 | $9,891 | 423,029 Direct | -0.02% | Disposed | -3.6% (price as of 2026-10-02) |
| Oct. 1, 2026 | XMTR | S | 3,947 | $102.55 | $404,765 | 547,323 Indirect | -0.72% | Disposed | 0.0% (price as of 2026-10-02) |
| Oct. 1, 2026 | XMTR | S | 741 | $103.51 | $76,701 | 546,582 Indirect | -0.14% | Disposed | -0.9% (price as of 2026-10-02) |
| Oct. 1, 2026 | XMTR | S | 1,829 | $104.69 | $191,478 | 544,753 Indirect | -0.33% | Disposed | -2.1% (price as of 2026-10-02) |
| Oct. 1, 2026 | XMTR | S | 3,466 | $105.50 | $365,663 | 541,287 Indirect | -0.64% | Disposed | -2.8% (price as of 2026-10-02) |
| Oct. 1, 2026 | XMTR | S | 17 | $106.19 | $1,805 | 541,270 Indirect | 0.00% | Disposed | -3.4% (price as of 2026-10-02) |
| Sept. 1, 2026 | XMTR | S | 4,607 | $90.47 | $416,795 | 556,663 Indirect | -0.82% | Disposed | 13.3% (price as of 2026-10-02) |
| Sept. 1, 2026 | XMTR | S | 4,912 | $91.03 | $447,139 | 551,751 Indirect | -0.88% | Disposed | 12.6% (price as of 2026-10-02) |
| Sept. 1, 2026 | XMTR | S | 481 | $92.09 | $44,295 | 551,270 Indirect | -0.09% | Disposed | 11.3% (price as of 2026-10-02) |
| Aug. 20, 2026 | XMTR | G | 85,582 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| July 2, 2026 | XMTR | S | 1,031 | $96.89 | $99,894 | 428,750 Direct | -0.24% | Disposed | 5.8% (price as of 2026-10-02) |
| July 2, 2026 | XMTR | S | 389 | $95.66 | $37,212 | 429,781 Direct | -0.09% | Disposed | 7.2% (price as of 2026-10-02) |
| July 2, 2026 | XMTR | S | 365 | $94.40 | $34,456 | 430,170 Direct | -0.08% | Disposed | 8.6% (price as of 2026-10-02) |
| July 2, 2026 | XMTR | S | 1,370 | $93.28 | $127,794 | 430,535 Direct | -0.32% | Disposed | 9.9% (price as of 2026-10-02) |
| July 2, 2026 | XMTR | S | 847 | $92.16 | $78,060 | 431,905 Direct | -0.20% | Disposed | 11.3% (price as of 2026-10-02) |
| July 2, 2026 | XMTR | S | 1,720 | $90.96 | $156,451 | 432,752 Direct | -0.40% | Disposed | 12.7% (price as of 2026-10-02) |
| June 5, 2026 | OPLN | A | 6,031 | $36.48 | $220,011 | 22,953 Direct | +35.64% | Acquired | -2.6% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 11,731 | $86.71 | $1,017,195 | 579,539 Indirect | -1.98% | Disposed | 18.2% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 9,893 | $87.64 | $867,023 | 569,646 Indirect | -1.71% | Disposed | 17.0% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 1,439 | $88.57 | $127,452 | 568,207 Indirect | -0.25% | Disposed | 15.8% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 4,892 | $89.70 | $438,812 | 563,315 Indirect | -0.86% | Disposed | 14.3% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 1,579 | $90.48 | $142,868 | 561,736 Indirect | -0.28% | Disposed | 13.3% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 466 | $91.60 | $42,686 | 561,270 Indirect | -0.08% | Disposed | 11.9% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 8,187 | $86.75 | $710,222 | 467,061 Indirect | -1.72% | Disposed | 18.2% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 6,324 | $87.63 | $554,172 | 460,737 Indirect | -1.35% | Disposed | 17.0% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 1,109 | $88.68 | $98,346 | 459,628 Indirect | -0.24% | Disposed | 15.6% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 3,293 | $89.68 | $295,316 | 456,335 Indirect | -0.72% | Disposed | 14.3% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 823 | $90.58 | $74,547 | 455,512 Indirect | -0.18% | Disposed | 13.2% (price as of 2026-10-02) |
| May 21, 2026 | XMTR | S | 264 | $91.60 | $24,182 | 455,248 Indirect | -0.06% | Disposed | 11.9% (price as of 2026-10-02) |
| April 2, 2026 | XMTR | S | 763 | $40.47 | $30,879 | 439,430 Direct | -0.17% | Disposed | 153.3% (price as of 2026-10-02) |
| April 2, 2026 | XMTR | S | 4,843 | $41.89 | $202,873 | 434,587 Direct | -1.10% | Disposed | 144.8% (price as of 2026-10-02) |
| April 2, 2026 | XMTR | S | 115 | $42.48 | $4,885 | 434,472 Direct | -0.03% | Disposed | 141.4% (price as of 2026-10-02) |
| March 10, 2026 | XMTR | A | 67,816 | · | · | 440,193 Direct | +18.21% | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2026 | XMTR | S | 2,189 | $41.37 | $90,559 | 402,116 Direct | -0.54% | Disposed | 147.8% (price as of 2026-10-02) |
| Feb. 26, 2026 | XMTR | S | 2,603 | $42.59 | $110,862 | 399,513 Direct | -0.65% | Disposed | 140.7% (price as of 2026-10-02) |
| Feb. 26, 2026 | XMTR | S | 18,764 | $43.43 | $814,921 | 380,749 Direct | -4.70% | Disposed | 136.1% (price as of 2026-10-02) |
| Feb. 26, 2026 | XMTR | S | 8,372 | $44.28 | $370,712 | 372,377 Direct | -2.20% | Disposed | 131.5% (price as of 2026-10-02) |
| Feb. 24, 2026 | XMTR | A | 108,860 | · | · | 404,305 Direct | +36.85% | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2026 | XMTR | S | 926 | $63.32 | $58,634 | 309,345 Direct | -0.30% | Disposed | 61.9% (price as of 2026-10-02) |
| Jan. 5, 2026 | XMTR | S | 1,315 | $64.38 | $84,660 | 308,030 Direct | -0.43% | Disposed | 59.3% (price as of 2026-10-02) |
| Jan. 5, 2026 | XMTR | S | 825 | $66.07 | $54,508 | 307,205 Direct | -0.27% | Disposed | 55.2% (price as of 2026-10-02) |
| Jan. 5, 2026 | XMTR | S | 8,836 | $66.85 | $590,687 | 298,369 Direct | -2.88% | Disposed | 53.4% (price as of 2026-10-02) |
| Jan. 5, 2026 | XMTR | S | 2,924 | $67.69 | $197,926 | 295,445 Direct | -0.98% | Disposed | 51.5% (price as of 2026-10-02) |
| Nov. 12, 2025 | XMTR | G | 40,000 | · | · | 591,270 Indirect | -6.34% | Disposed | (price as of 2026-10-02) |
| Oct. 2, 2025 | XMTR | S | 3,535 | $49.28 | $174,205 | 316,067 Direct | -1.11% | Disposed | 108.1% (price as of 2026-10-02) |
| Oct. 2, 2025 | XMTR | S | 3,825 | $50.69 | $193,889 | 312,242 Direct | -1.21% | Disposed | 102.3% (price as of 2026-10-02) |
| Oct. 2, 2025 | XMTR | S | 1,944 | $51.39 | $99,902 | 310,298 Direct | -0.62% | Disposed | 99.5% (price as of 2026-10-02) |
| Oct. 2, 2025 | XMTR | S | 27 | $52.45 | $1,416 | 310,271 Direct | -0.01% | Disposed | 95.5% (price as of 2026-10-02) |
| July 2, 2025 | XMTR | S | 8,978 | $32.36 | $290,528 | 319,956 Direct | -2.73% | Disposed | 216.8% (price as of 2026-10-02) |
| July 2, 2025 | XMTR | S | 354 | $33.02 | $11,689 | 319,602 Direct | -0.11% | Disposed | 210.5% (price as of 2026-10-02) |
| June 6, 2025 | OPLN | A | 7,195 | $23.63 | $170,018 | 16,922 Direct | +73.97% | Acquired | 50.4% (price as of 2026-10-02) |
| April 2, 2025 | XMTR | S | 9,331 | $25.16 | $234,768 | 328,934 Direct | -2.76% | Disposed | 307.5% (price as of 2026-10-02) |
| March 11, 2025 | XMTR | A | 81,274 | · | · | 338,265 Direct | +31.63% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2025 | XMTR | S | 27,566 | $26.60 | $733,256 | 256,570 Direct | -9.70% | Disposed | 285.5% (price as of 2026-10-02) |
| Feb. 25, 2025 | XMTR | A | 82,699 | · | · | 284,557 Direct | +40.97% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2025 | XMTR | A | 82,278 | · | · | 284,136 Direct | +40.76% | Acquired | (price as of 2026-10-02) |
| Aug. 9, 2024 | OPLN | A | 9,727 | $17.00 | $165,359 | 9,727 Direct | · | Acquired | 109.0% (price as of 2026-10-02) |
| March 14, 2024 | XMTR | A | 82,068 | · | · | 201,858 Direct | +68.51% | Acquired | (price as of 2026-10-02) |
| March 15, 2023 | XMTR | A | 19,715 | · | · | 119,790 Direct | +19.70% | Acquired | (price as of 2026-10-02) |
| March 15, 2023 | XMTR | A | 29,407 | · | · | 29,407 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 7,235 | $34.92 | $252,646 | 634,035 Indirect | -1.13% | Disposed | 193.6% (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 2,765 | $35.71 | $98,738 | 631,270 Indirect | -0.44% | Disposed | 187.1% (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 1,556 | $35.00 | $54,460 | 475,692 Indirect | -0.33% | Disposed | 192.9% (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 444 | $35.78 | $15,886 | 475,248 Indirect | -0.09% | Disposed | 186.6% (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 1,603 | $34.97 | $56,057 | 85,979 Indirect | -1.83% | Disposed | 193.2% (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 397 | $35.85 | $14,232 | 85,582 Indirect | -0.46% | Disposed | 186.0% (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 1,649 | $35.03 | $57,764 | 324,884 Indirect | -0.51% | Disposed | 192.7% (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 351 | $35.81 | $12,569 | 324,533 Indirect | -0.11% | Disposed | 186.3% (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 1,640 | $34.98 | $57,367 | 324,893 Indirect | -0.50% | Disposed | 193.1% (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 360 | $35.87 | $12,913 | 324,533 Indirect | -0.11% | Disposed | 185.8% (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 1,484 | $34.99 | $51,925 | 325,049 Indirect | -0.45% | Disposed | 193.0% (price as of 2026-10-02) |
| Feb. 1, 2023 | XMTR | S | 516 | $35.77 | $18,457 | 324,533 Indirect | -0.16% | Disposed | 186.6% (price as of 2026-10-02) |
| Jan. 3, 2023 | XMTR | S | 10,000 | $32.09 | $320,900 | 641,270 Indirect | -1.54% | Disposed | 219.5% (price as of 2026-10-02) |
| Jan. 3, 2023 | XMTR | S | 2,000 | $32.12 | $64,240 | 477,248 Indirect | -0.42% | Disposed | 219.2% (price as of 2026-10-02) |
| Jan. 3, 2023 | XMTR | S | 2,000 | $32.12 | $64,240 | 87,582 Indirect | -2.23% | Disposed | 219.2% (price as of 2026-10-02) |
| Jan. 3, 2023 | XMTR | S | 2,000 | $32.11 | $64,220 | 326,533 Indirect | -0.61% | Disposed | 219.3% (price as of 2026-10-02) |
| Jan. 3, 2023 | XMTR | S | 2,000 | $32.10 | $64,200 | 326,533 Indirect | -0.61% | Disposed | 219.4% (price as of 2026-10-02) |
| Jan. 3, 2023 | XMTR | S | 2,000 | $32.12 | $64,240 | 326,533 Indirect | -0.61% | Disposed | 219.2% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 4,369 | $42.32 | $184,896 | 656,901 Indirect | -0.66% | Disposed | 142.3% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 4,791 | $43.32 | $207,546 | 652,110 Indirect | -0.73% | Disposed | 136.7% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 840 | $44.06 | $37,010 | 651,270 Indirect | -0.13% | Disposed | 132.7% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 845 | $42.21 | $35,667 | 480,403 Indirect | -0.18% | Disposed | 142.9% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 1,042 | $43.31 | $45,129 | 479,361 Indirect | -0.22% | Disposed | 136.7% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 113 | $43.96 | $4,967 | 479,248 Indirect | -0.02% | Disposed | 133.2% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 934 | $42.34 | $39,546 | 90,648 Indirect | -1.02% | Disposed | 142.2% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 1,066 | $43.54 | $46,414 | 89,582 Indirect | -1.18% | Disposed | 135.5% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 911 | $42.30 | $38,535 | 329,622 Indirect | -0.28% | Disposed | 142.4% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 1,025 | $43.41 | $44,495 | 328,597 Indirect | -0.31% | Disposed | 136.2% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 64 | $44.22 | $2,830 | 328,533 Indirect | -0.02% | Disposed | 131.9% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 917 | $42.31 | $38,798 | 329,616 Indirect | -0.28% | Disposed | 142.3% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 1,083 | $43.43 | $47,035 | 328,533 Indirect | -0.33% | Disposed | 136.1% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 906 | $42.30 | $38,324 | 329,627 Indirect | -0.27% | Disposed | 142.4% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 981 | $43.28 | $42,458 | 328,646 Indirect | -0.30% | Disposed | 136.9% (price as of 2026-10-02) |
| Dec. 1, 2022 | XMTR | S | 113 | $43.96 | $4,967 | 328,533 Indirect | -0.03% | Disposed | 133.2% (price as of 2026-10-02) |
| Nov. 1, 2022 | XMTR | S | 5,246 | $58.57 | $307,258 | 666,024 Indirect | -0.78% | Disposed | 75.1% (price as of 2026-10-02) |
Showing latest 100 of 246 transactions
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 |
|---|---|---|---|---|---|---|---|
| June 5, 2026 | OPLN | Phantom Stock | Common Stock | · | · | 6,031 | Acquired |
| June 6, 2025 | OPLN | Phantom Stock | Common Stock | · | · | 7,195 | Acquired |
| Aug. 9, 2024 | OPLN | Phantom Stock | Common Stock | · | · | 9,727 | Acquired |
| March 15, 2023 | XMTR | Stock Option (Right to Buy) | Class A Common Stock | $15.82 | March 14, 2033 | 29,407 | Acquired |
| May 9, 2022 | XMTR | Stock Option (Right to Buy) | Class A Common Stock | $1.65 | Jan. 29, 2028 | 26,351 | Disposed |
| May 9, 2022 | XMTR | Stock Option (Right to Buy) | Class A Common Stock | $3.65 | Aug. 7, 2029 | 26,205 | Disposed |
| March 15, 2022 | XMTR | Stock Option (Right to Buy) | Class A Common Stock | $34.86 | March 14, 2023 | 78,574 | Acquired |
| July 2, 2021 | XMTR | Stock Option (right to buy) | Class A Common Stock | $12.32 | March 27, 2031 | 142,275 | Acquired |
| July 2, 2021 | XMTR | Class B Common Stock | Class A Common Stock | · | · | 1,475,311 | Acquired |
| July 2, 2021 | XMTR | Series A-1 Preferred Stock | Class A Common Stock | · | · | 19,476 | Disposed |
| July 2, 2021 | XMTR | Series A-1 Preferred Stock | Class A Common Stock | · | · | 31,213 | Disposed |
| July 2, 2021 | XMTR | Series Seed-2 Preferred Stock | Class A Common Stock | · | · | 51,095 | Disposed |
| July 2, 2021 | XMTR | Series Seed-1 Preferred Stock | Class A Common Stock | · | · | 325,000 | Disposed |
| July 2, 2021 | XMTR | Series Seed-1 Preferred Stock | Class A Common Stock | · | · | 325,000 | Disposed |
| July 2, 2021 | XMTR | Stock Option (right to buy) | Common Stock [F1] | $12.32 | March 27, 2031 | 142,275 | Disposed |
| July 2, 2021 | XMTR | Stock Option (right to buy) | Class A Common Stock | $3.65 | Aug. 7, 2029 | 231,974 | Acquired |
| July 2, 2021 | XMTR | Stock Option (right to buy) | Common Stock [F1] | $3.65 | Aug. 7, 2029 | 231,974 | Disposed |
| July 2, 2021 | XMTR | Stock Option (right to buy) | Class A Common Stock | $1.65 | Jan. 29, 2028 | 99,869 | Acquired |
| July 2, 2021 | XMTR | Stock Option (right to buy) | Common Stock [F1] | $1.65 | Jan. 29, 2028 | 99,869 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 15 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 1, 2021 | XMTR | Common Stock | 1,068,003 | Direct |
| July 1, 2021 | XMTR | Common Stock | 105,000 | Indirect |
| July 1, 2021 | XMTR | Common Stock | 347,222 | Indirect |
| July 1, 2021 | XMTR | Common Stock | 347,222 | Indirect |
| July 1, 2021 | XMTR | Common Stock | 347,222 | Indirect |
| July 1, 2021 | XMTR | Common Stock | 500,000 | Indirect |
| July 1, 2021 | XMTR | Common Stock | 386,667 | Indirect |
| July 1, 2021 | XMTR | Stock Option (right to buy) | 99,869 | Direct |
| July 1, 2021 | XMTR | Stock Option (right to buy) | 231,974 | Direct |
| July 1, 2021 | XMTR | Stock Option (right to buy) | 142,275 | Direct |
| July 1, 2021 | XMTR | Series Seed-1 Preferred Stock | 325,000 | Indirect |
| July 1, 2021 | XMTR | Series Seed-1 Preferred Stock | 325,000 | Direct |
| July 1, 2021 | XMTR | Series Seed-2 Preferred Stock | 51,095 | Direct |
| July 1, 2021 | XMTR | Series A-1 Preferred Stock | 31,213 | Direct |
| July 1, 2021 | XMTR | Series A-1 Preferred Stock | 19,476 | Indirect |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $475,000 | · | · | · | $261,505 | · | $1,271 | $1,384,063 |
| 2022 | $461,250 | · | · | · | · | · | $1,158 | $3,775,410 |
| 2021 | $310,000 | · | · | $2,778,161 | $211,152 | · | $3,719 | $3,303,032 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.