Insider at

04

Insider transactions

05
0 buys (P) 75 sells (S) Net: $-37,715,413 + 29 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

29 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 7, 2026 RBRK S 10b5-1 1,478 $123.32 $182,267 283,880 Direct -0.52% Disposed 4.4% (price as of )
Oct. 7, 2026 RBRK S 10b5-1 8,274 $124.05 $1,026,390 275,606 Direct -2.91% Disposed 3.8% (price as of )
Oct. 7, 2026 RBRK S 10b5-1 3,055 $124.79 $381,233 272,551 Direct -1.11% Disposed 3.2% (price as of )
Oct. 7, 2026 RBRK S 10b5-1 13 $125.57 $1,632 272,538 Direct 0.00% Disposed 2.5% (price as of )
Oct. 6, 2026 RBRK S 10b5-1 582 $125.35 $72,954 284,776 Direct -0.20% Disposed 2.7% (price as of )
Oct. 6, 2026 RBRK S 10b5-1 11,101 $126.14 $1,400,280 273,675 Direct -3.90% Disposed 2.1% (price as of )
Oct. 6, 2026 RBRK S 10b5-1 1,069 $126.87 $135,624 272,606 Direct -0.39% Disposed 1.5% (price as of )
Oct. 6, 2026 RBRK S 10b5-1 68 $127.70 $8,684 272,538 Direct -0.02% Disposed 0.8% (price as of )
Oct. 5, 2026 RBRK S 10b5-1 495 $118.92 $58,865 284,863 Direct -0.17% Disposed 8.3% (price as of )
Oct. 5, 2026 RBRK S 10b5-1 110 $120.26 $13,229 284,753 Direct -0.04% Disposed 7.1% (price as of )
Oct. 5, 2026 RBRK S 10b5-1 901 $121.20 $109,201 283,852 Direct -0.32% Disposed 6.2% (price as of )
Oct. 5, 2026 RBRK S 10b5-1 2,801 $121.95 $341,582 281,051 Direct -0.99% Disposed 5.6% (price as of )
Oct. 5, 2026 RBRK S 10b5-1 5,600 $122.99 $688,744 275,451 Direct -1.99% Disposed 4.7% (price as of )
Oct. 5, 2026 RBRK S 10b5-1 2,913 $123.80 $360,629 272,538 Direct -1.06% Disposed 4.0% (price as of )
Sept. 10, 2026 RBRK S 10b5-1 369 $87.55 $32,306 305,744 Direct -0.12% Disposed 47.0% (price as of )
Sept. 10, 2026 RBRK S 10b5-1 611 $89.12 $54,452 305,133 Direct -0.20% Disposed 44.5% (price as of )
Sept. 10, 2026 RBRK S 10b5-1 4,844 $89.73 $434,652 300,289 Direct -1.59% Disposed 43.5% (price as of )
Sept. 10, 2026 RBRK S 10b5-1 4,675 $90.88 $424,864 295,614 Direct -1.56% Disposed 41.7% (price as of )
Sept. 10, 2026 RBRK S 10b5-1 2,321 $91.67 $212,766 293,293 Direct -0.79% Disposed 40.4% (price as of )
Sept. 9, 2026 RBRK S 10b5-1 3,243 $89.33 $289,697 302,870 Direct -1.06% Disposed 44.1% (price as of )
Sept. 9, 2026 RBRK S 10b5-1 5,297 $90.41 $478,902 297,573 Direct -1.75% Disposed 42.4% (price as of )
Sept. 9, 2026 RBRK S 10b5-1 3,237 $91.16 $295,085 294,336 Direct -1.09% Disposed 41.2% (price as of )
Sept. 9, 2026 RBRK S 10b5-1 1,013 $92.08 $93,277 293,323 Direct -0.34% Disposed 39.8% (price as of )
Sept. 9, 2026 RBRK S 10b5-1 30 $92.87 $2,786 293,293 Direct -0.01% Disposed 38.6% (price as of )
Sept. 8, 2026 RBRK S 10b5-1 2,767 $90.43 $250,220 303,346 Direct -0.90% Disposed 42.4% (price as of )
Sept. 8, 2026 RBRK S 10b5-1 7,836 $91.47 $716,759 295,510 Direct -2.58% Disposed 40.7% (price as of )
Sept. 8, 2026 RBRK S 10b5-1 2,217 $91.95 $203,853 293,293 Direct -0.75% Disposed 40.0% (price as of )
Aug. 5, 2026 RBRK S 10b5-1 1,342 $82.08 $110,151 304,771 Direct -0.44% Disposed 56.8% (price as of )
Aug. 5, 2026 RBRK S 10b5-1 2,780 $83.17 $231,213 301,991 Direct -0.91% Disposed 54.8% (price as of )
Aug. 5, 2026 RBRK S 10b5-1 8,177 $84.10 $687,686 293,814 Direct -2.71% Disposed 53.1% (price as of )
Aug. 5, 2026 RBRK S 10b5-1 521 $84.61 $44,082 293,293 Direct -0.18% Disposed 52.2% (price as of )
Aug. 4, 2026 RBRK S 10b5-1 212 $76.77 $16,275 305,901 Direct -0.07% Disposed 67.7% (price as of )
Aug. 4, 2026 RBRK S 10b5-1 1,303 $77.99 $101,621 304,598 Direct -0.43% Disposed 65.1% (price as of )
Aug. 4, 2026 RBRK S 10b5-1 2,981 $79.11 $235,827 301,617 Direct -0.98% Disposed 62.7% (price as of )
Aug. 4, 2026 RBRK S 10b5-1 3,767 $79.81 $300,644 297,850 Direct -1.25% Disposed 61.3% (price as of )
Aug. 4, 2026 RBRK S 10b5-1 4,557 $80.94 $368,844 293,293 Direct -1.53% Disposed 59.1% (price as of )
Aug. 3, 2026 RBRK S 10b5-1 7,642 $73.72 $563,368 298,471 Direct -2.50% Disposed 74.6% (price as of )
Aug. 3, 2026 RBRK S 10b5-1 5,178 $74.52 $385,865 293,293 Direct -1.73% Disposed 72.8% (price as of )
July 8, 2026 RBRK S 10b5-1 6,728 $84.02 $565,287 309,703 Direct -2.13% Disposed 53.2% (price as of )
July 8, 2026 RBRK S 10b5-1 4,233 $84.87 $359,255 305,470 Direct -1.37% Disposed 51.7% (price as of )
July 8, 2026 RBRK S 10b5-1 1,446 $85.67 $123,879 304,024 Direct -0.47% Disposed 50.3% (price as of )
July 8, 2026 RBRK S 10b5-1 413 $86.81 $35,853 303,611 Direct -0.14% Disposed 48.3% (price as of )
July 7, 2026 RBRK S 10b5-1 749 $85.44 $63,995 315,682 Direct -0.24% Disposed 50.7% (price as of )
July 7, 2026 RBRK S 10b5-1 1,821 $86.45 $157,425 313,861 Direct -0.58% Disposed 48.9% (price as of )
July 7, 2026 RBRK S 10b5-1 4,957 $87.32 $432,845 308,904 Direct -1.58% Disposed 47.4% (price as of )
July 7, 2026 RBRK S 10b5-1 3,978 $88.33 $351,377 304,926 Direct -1.29% Disposed 45.7% (price as of )
July 7, 2026 RBRK S 10b5-1 1,315 $89.13 $117,206 303,611 Direct -0.43% Disposed 44.4% (price as of )
July 6, 2026 RBRK S 10b5-1 192 $83.37 $16,007 316,239 Direct -0.06% Disposed 54.4% (price as of )
July 6, 2026 RBRK S 10b5-1 257 $85.04 $21,855 315,982 Direct -0.08% Disposed 51.4% (price as of )
July 6, 2026 RBRK S 10b5-1 562 $85.56 $48,085 315,420 Direct -0.18% Disposed 50.5% (price as of )
July 6, 2026 RBRK S 10b5-1 665 $86.91 $57,795 314,755 Direct -0.21% Disposed 48.1% (price as of )
July 6, 2026 RBRK S 10b5-1 6,754 $87.66 $592,056 308,001 Direct -2.15% Disposed 46.9% (price as of )
July 6, 2026 RBRK S 10b5-1 4,129 $88.69 $366,201 303,872 Direct -1.34% Disposed 45.2% (price as of )
July 6, 2026 RBRK S 10b5-1 261 $89.28 $23,302 303,611 Direct -0.09% Disposed 44.2% (price as of )
June 3, 2026 RBRK S 10b5-1 1,027 $76.66 $78,730 325,841 Direct -0.31% Disposed 67.9% (price as of )
June 3, 2026 RBRK S 10b5-1 1,700 $77.68 $132,056 324,141 Direct -0.52% Disposed 65.7% (price as of )
June 3, 2026 RBRK S 10b5-1 4,246 $78.96 $335,264 319,895 Direct -1.31% Disposed 63.0% (price as of )
June 3, 2026 RBRK S 10b5-1 5,655 $79.56 $449,912 314,240 Direct -1.77% Disposed 61.8% (price as of )
June 3, 2026 RBRK S 10b5-1 192 $80.45 $15,446 314,048 Direct -0.06% Disposed 60.0% (price as of )
June 2, 2026 RBRK S 10b5-1 1,833 $81.31 $149,041 325,035 Direct -0.56% Disposed 58.3% (price as of )
June 2, 2026 RBRK S 10b5-1 9,986 $82.23 $821,149 315,049 Direct -3.07% Disposed 56.6% (price as of )
June 2, 2026 RBRK S 10b5-1 831 $82.88 $68,873 314,218 Direct -0.26% Disposed 55.3% (price as of )
June 2, 2026 RBRK S 10b5-1 170 $84.06 $14,290 314,048 Direct -0.05% Disposed 53.2% (price as of )
June 1, 2026 RBRK S 10b5-1 4,155 $79.68 $331,070 509,340 Direct -0.81% Disposed 61.6% (price as of )
June 1, 2026 RBRK S 10b5-1 1,938 $80.99 $156,959 507,402 Direct -0.38% Disposed 59.0% (price as of )
June 1, 2026 RBRK S 10b5-1 22,240 $82.11 $1,826,126 485,162 Direct -4.38% Disposed 56.8% (price as of )
June 1, 2026 RBRK S 10b5-1 22,206 $82.72 $1,836,880 462,956 Direct -4.58% Disposed 55.6% (price as of )
June 1, 2026 RBRK S 10b5-1 28,329 $84.14 $2,383,602 434,627 Direct -6.12% Disposed 53.0% (price as of )
June 1, 2026 RBRK S 10b5-1 72,687 $84.75 $6,160,223 361,940 Direct -16.72% Disposed 51.9% (price as of )
June 1, 2026 RBRK S 10b5-1 47,630 $85.90 $4,091,417 314,310 Direct -13.16% Disposed 49.9% (price as of )
June 1, 2026 RBRK S 10b5-1 262 $86.40 $22,637 314,048 Direct -0.08% Disposed 49.0% (price as of )

Loaded 100 of 241 rows

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
Oct. 7, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
Oct. 6, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
Oct. 5, 2026 RBRK Class B Common Stock Class A Common Stock (2,501) · · 2,501 Disposed
Sept. 10, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
Sept. 9, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
Sept. 8, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
Aug. 5, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
Aug. 4, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
Aug. 3, 2026 RBRK Class B Common Stock Class A Common Stock (2,502) · · 2,502 Disposed
July 8, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
July 7, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
July 6, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
June 3, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
June 2, 2026 RBRK Class B Common Stock Class A Common Stock (12,820) · · 12,820 Disposed
June 1, 2026 RBRK Class B Common Stock Class A Common Stock (71,993) · · 71,993 Disposed
March 24, 2026 RBRK Restricted Stock Unit Class B Common Stock (40,625) · Aug. 6, 2029 40,625 Disposed
March 24, 2026 RBRK Class B Common Stock Class A Common Stock (40,625) · · 40,625 Acquired
March 24, 2026 RBRK Class B Common Stock Class A Common Stock (40,625) · · 40,625 Disposed
Dec. 23, 2025 RBRK Class B Common Stock Class A Common Stock (100,000) · · 100,000 Disposed
Dec. 16, 2025 RBRK Restricted Stock Unit Class B Common Stock (40,625) · Aug. 7, 2029 40,625 Disposed
Dec. 16, 2025 RBRK Class B Common Stock Class A Common Stock (40,625) · · 40,625 Acquired
Dec. 16, 2025 RBRK Class B Common Stock Class A Common Stock (40,625) · · 40,625 Disposed
Sept. 16, 2025 RBRK Restricted Stock Unit Class B Common Stock (40,625) · Aug. 7, 2029 40,625 Disposed
Sept. 16, 2025 RBRK Class B Common Stock Class A Common Stock (40,625) · · 40,625 Acquired
Sept. 16, 2025 RBRK Class B Common Stock Class A Common Stock (40,625) · · 40,625 Disposed
June 17, 2025 RBRK Restricted Stock Unit Class B Common Stock (81,250) · Aug. 7, 2029 81,250 Disposed
June 17, 2025 RBRK Class B Common Stock Class A Common Stock (81,250) · · 81,250 Acquired
June 17, 2025 RBRK Class B Common Stock Class A Common Stock (81,250) · · 81,250 Disposed
June 5, 2025 RBRK Class B Common Stock Class A Common Stock (32,477) · · 32,477 Disposed
June 4, 2025 RBRK Class B Common Stock Class A Common Stock (32,484) · · 32,484 Disposed
June 3, 2025 RBRK Class B Common Stock Class A Common Stock (8,109) · · · Disposed
March 5, 2025 RBRK Class B Common Stock Class A Common Stock (32,484) · · 32,484 Disposed
March 4, 2025 RBRK Class B Common Stock Class A Common Stock (32,484) · · 32,484 Disposed
March 3, 2025 RBRK Class B Common Stock Class A Common Stock (32,485) · · 32,485 Disposed
Feb. 5, 2025 RBRK Class B Common Stock Class A Common Stock (32,485) · · 32,485 Disposed
Feb. 4, 2025 RBRK Class B Common Stock Class A Common Stock (32,485) · · 32,485 Disposed
Feb. 3, 2025 RBRK Class B Common Stock Class A Common Stock (32,485) · · 32,485 Disposed
Jan. 14, 2025 RBRK Restricted Stock Unit Class B Common Stock (446,875) · Aug. 7, 2029 446,875 Disposed
Jan. 14, 2025 RBRK Class B Common Stock Class A Common Stock (446,875) · · 446,875 Acquired
Jan. 14, 2025 RBRK Class B Common Stock Class A Common Stock (446,875) · · 446,875 Disposed
Jan. 8, 2025 RBRK Class B Common Stock Class A Common Stock (32,485) · · 32,485 Disposed
Jan. 7, 2025 RBRK Class B Common Stock Class A Common Stock (32,485) · · 32,485 Disposed
Jan. 6, 2025 RBRK Class B Common Stock Class A Common Stock (32,499) · · 32,499 Disposed
April 29, 2024 RBRK Founders Preferred Stock Class B Common Stock (1,800,000) · · 1,800,000 Disposed
April 29, 2024 RBRK Class B Common Stock Class A Common Stock (1,800,000) · · 1,800,000 Acquired
April 24, 2024 RBRK Restricted Stock Units Class B Common Stock (650,000) · Aug. 7, 2029 650,000 Acquired

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

Initial ownership (Form 3) 3 holdings

07

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

DateTickerSecuritySharesOwnership
April 24, 2024 RBRK Class B Common Stock→ Class A Common Stock (8,896,392) 8,896,392 Direct
April 24, 2024 RBRK Founders Preferred Stock→ Class B Common Stock (1,800,000) 1,800,000 Direct
April 24, 2024 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 Indirect

Holdings reported on Form 4 16 reported holdings

08

Positions listed on each Form 4 without a transaction in that filing (Table I and II holdings), newest filing first.

DateTickerSecuritySharesExercise priceExpirationOwnership
Oct. 7, 2026 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
Sept. 10, 2026 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
Aug. 5, 2026 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
July 8, 2026 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
June 3, 2026 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
March 26, 2026 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
Dec. 23, 2025 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
Dec. 18, 2025 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
Sept. 18, 2025 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
June 20, 2025 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
June 5, 2025 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
March 5, 2025 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
Feb. 5, 2025 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
Jan. 16, 2025 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
Jan. 8, 2025 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect
May 1, 2024 RBRK Class B Common Stock→ Class A Common Stock (200,000) 200,000 · · Indirect

Compensation (DEF 14A)

10

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

RBRK

CTO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2026 $393,333 · $26,424,660 · $199,575 · $641,374 $27,658,942

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