Choudary Kiran Kumar
Officer · RBRK
As of 2026-09-16, Choudary Kiran Kumar has 237 Form 4 transactions on record across 1 company — 106 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-24 | RBRK | Sale | 5,300 @ $98.65 | $523K | −0.5% of holding | 978,373 | Form 4 |
| 2026-08-24 | RBRK | Sale | 4,400 @ $97.81 | $430K | −0.4% of holding | 983,673 | Form 4 |
| 2026-08-24 | RBRK | Sale | 300 @ $99.93 | $30K | −0.0% of holding | 978,073 | Form 4 |
| 2026-07-15 | RBRK | Sale | 15,600 @ $80.15 | $1.3M | −1.5% of holding | 996,473 | Form 4 |
| 2026-07-15 | RBRK | Sale | 4,800 @ $80.94 | $389K | −0.5% of holding | 991,673 | Form 4 |
| 2026-07-15 | RBRK | Sale | 2,100 @ $86.58 | $182K | −0.2% of holding | 986,173 | Form 4 |
| 2026-07-15 | RBRK | Sale | 1,800 @ $83.37 | $150K | −0.2% of holding | 988,673 | Form 4 |
| 2026-07-15 | RBRK | Sale | 1,200 @ $82.27 | $99K | −0.1% of holding | 990,473 | Form 4 |
| 2026-07-15 | RBRK | Sale | 1,100 @ $88.64 | $98K | −0.1% of holding | 984,073 | Form 4 |
| 2026-07-15 | RBRK | Sale | 1,000 @ $87.35 | $87K | −0.1% of holding | 985,173 | Form 4 |
| 2026-07-15 | RBRK | Sale | 400 @ $85.15 | $34K | −0.0% of holding | 988,273 | Form 4 |
| 2026-04-07 | RBRK | Sale | 10,000 @ $51.51 | $515K | −1.8% of holding | 556,001 | Form 4 |
| 2026-04-07 | RBRK | Sale | 5,200 @ $52.55 | $273K | −0.9% of holding | 550,801 | Form 4 |
| 2026-04-07 | RBRK | Sale | 3,900 @ $50.66 | $198K | −0.7% of holding | 566,001 | Form 4 |
| 2026-04-07 | RBRK | Sale | 900 @ $53.11 | $48K | −0.2% of holding | 549,901 | Form 4 |
| 2026-03-24 | RBRK | Sale | 122,613 @ $48.20 | $5.9M | −17.8% of holding | 564,901 | Form 4 |
| 2026-02-18 | RBRK | Sale | 13,477 @ $54.39 | $733K | −2.8% of holding | 474,959 | Form 4 |
| 2026-02-18 | RBRK | Sale | 5,623 @ $53.91 | $303K | −1.1% of holding | 488,436 | Form 4 |
| 2026-02-18 | RBRK | Sale | 900 @ $52.55 | $47K | −0.2% of holding | 494,059 | Form 4 |
| 2026-01-16 | RBRK | Sale | 14,373 @ $67.34 | $968K | −2.8% of holding | 495,586 | Form 4 |
| 2026-01-16 | RBRK | Sale | 5,427 @ $68.46 | $372K | −1.1% of holding | 490,159 | Form 4 |
| 2026-01-16 | RBRK | Sale | 200 @ $69.08 | $14K | −0.0% of holding | 489,959 | Form 4 |
| 2026-01-07 | RBRK | Sale | 1,900 @ $75.49 | $143K | −0.4% of holding | 506,559 | Form 4 |
| 2026-01-07 | RBRK | Sale | 1,500 @ $77.02 | $116K | −0.3% of holding | 505,059 | Form 4 |
| 2026-01-07 | RBRK | Sale | 100 @ $77.50 | $8K | −0.0% of holding | 504,959 | Form 4 |
| 2025-12-22 | RBRK | Sale | 2,600 @ $79.02 | $205K | −0.5% of holding | 507,359 | Form 4 |
| 2025-12-22 | RBRK | Sale | 900 @ $79.93 | $72K | −0.2% of holding | 506,459 | Form 4 |
| 2025-12-17 | RBRK | Sale | 3,984 @ $76.18 | $304K | −0.8% of holding | 510,754 | Form 4 |
| 2025-12-17 | RBRK | Sale | 2,795 @ $76.19 | $213K | −0.5% of holding | 507,959 | Form 4 |
| 2025-12-09 | RBRK | Sale | 2,700 @ $91.62 | $247K | −0.5% of holding | 507,951 | Form 4 |
| 2025-12-09 | RBRK | Sale | 400 @ $92.14 | $37K | −0.1% of holding | 507,551 | Form 4 |
| 2025-12-09 | RBRK | Sale | 200 @ $90.39 | $18K | −0.0% of holding | 510,651 | Form 4 |
| 2025-12-09 | RBRK | Sale | 200 @ $89.01 | $18K | −0.0% of holding | 510,851 | Form 4 |
| 2025-11-19 | RBRK | Sale | 1,900 @ $68.91 | $131K | −0.4% of holding | 510,651 | Form 4 |
| 2025-11-19 | RBRK | Sale | 1,600 @ $70.12 | $112K | −0.3% of holding | 509,051 | Form 4 |
| 2025-11-05 | RBRK | Sale | 3,500 @ $72.29 | $253K | −0.7% of holding | 510,551 | Form 4 |
| 2025-10-15 | RBRK | Sale | 2,200 @ $80.17 | $176K | −0.4% of holding | 512,151 | Form 4 |
| 2025-10-15 | RBRK | Sale | 1,200 @ $79.00 | $95K | −0.2% of holding | 514,351 | Form 4 |
| 2025-10-15 | RBRK | Sale | 100 @ $80.62 | $8K | −0.0% of holding | 512,051 | Form 4 |
| 2025-10-01 | RBRK | Sale | 1,780 @ $83.03 | $148K | −0.3% of holding | 513,751 | Form 4 |
| 2025-10-01 | RBRK | Sale | 1,520 @ $82.12 | $125K | −0.3% of holding | 515,531 | Form 4 |
| 2025-10-01 | RBRK | Sale | 200 @ $83.77 | $17K | −0.0% of holding | 513,551 | Form 4 |
| 2025-09-17 | RBRK | Sale | 3,500 @ $74.82 | $262K | −0.7% of holding | 514,684 | Form 4 |
| 2025-09-16 | RBRK | Sale | 6,599 @ $74.21 | $490K | −1.3% of holding | 516,184 | Form 4 |
| 2025-09-03 | RBRK | Sale | 3,500 @ $88.26 | $309K | −0.7% of holding | 515,595 | Form 4 |
| 2025-08-20 | RBRK | Sale | 3,500 @ $82.93 | $290K | −0.7% of holding | 517,095 | Form 4 |
| 2025-08-06 | RBRK | Sale | 3,500 @ $88.37 | $309K | −0.7% of holding | 518,595 | Form 4 |
| 2025-07-23 | RBRK | Sale | 3,500 @ $83.90 | $294K | −0.7% of holding | 520,095 | Form 4 |
| 2025-07-09 | RBRK | Sale | 3,500 @ $87.54 | $306K | −0.7% of holding | 521,595 | Form 4 |
| 2025-06-25 | RBRK | Sale | 3,500 @ $91.00 | $319K | −0.7% of holding | 523,095 | Form 4 |
| 2025-06-17 | RBRK | Sale | 6,757 @ $88.56 | $598K | −1.3% of holding | 524,595 | Form 4 |
| 2025-06-11 | RBRK | Sale | 1,900 @ $87.76 | $167K | −0.4% of holding | 525,765 | Form 4 |
| 2025-06-11 | RBRK | Sale | 1,500 @ $88.77 | $133K | −0.3% of holding | 524,265 | Form 4 |
| 2025-06-11 | RBRK | Sale | 100 @ $89.74 | $9K | −0.0% of holding | 524,165 | Form 4 |
| 2025-06-05 | RBRK | Sale | 30,000 @ $100.24 | $3.0M | −5.4% of holding | 521,665 | Form 4 |
| 2025-05-28 | RBRK | Sale | 3,500 @ $94.86 | $332K | −0.6% of holding | 551,665 | Form 4 |
| 2025-05-22 | RBRK | Sale | 10,000 @ $90.07 | $901K | −1.8% of holding | 555,165 | Form 4 |
| 2025-05-14 | RBRK | Sale | 3,307 @ $83.77 | $277K | −0.6% of holding | 565,358 | Form 4 |
| 2025-05-14 | RBRK | Sale | 193 @ $84.58 | $16K | −0.0% of holding | 565,165 | Form 4 |
| 2025-05-13 | RBRK | Sale | 20,000 @ $80.04 | $1.6M | −3.4% of holding | 568,665 | Form 4 |
| 2025-05-05 | RBRK | Sale | 5,000 @ $75.00 | $375K | −0.8% of holding | 588,665 | Form 4 |
| 2025-04-30 | RBRK | Sale | 18,436 @ $69.82 | $1.3M | −3.0% of holding | 596,660 | Form 4 |
| 2025-04-30 | RBRK | Sale | 3,362 @ $70.36 | $237K | −0.6% of holding | 593,298 | Form 4 |
| 2025-04-30 | RBRK | Sale | 1,702 @ $68.74 | $117K | −0.3% of holding | 615,096 | Form 4 |
| 2025-04-16 | RBRK | Sale | 1,200 @ $62.29 | $75K | −0.2% of holding | 615,098 | Form 4 |
| 2025-04-16 | RBRK | Sale | 500 @ $60.94 | $30K | −0.1% of holding | 616,298 | Form 4 |
| 2025-04-16 | RBRK | Sale | 300 @ $62.80 | $19K | −0.0% of holding | 614,798 | Form 4 |
| 2025-03-21 | RBRK | Sale | 87,971 @ $70.04 | $6.2M | −17.5% of holding | 413,458 | Form 4 |
| 2025-01-15 | RBRK | Sale | 1,800 @ $66.52 | $120K | −0.5% of holding | 341,374 | Form 4 |
| 2025-01-08 | RBRK | Sale | 1,800 @ $62.60 | $113K | −0.5% of holding | 342,174 | Form 4 |
| 2025-01-02 | RBRK | Sale | 1,800 @ $65.72 | $118K | −0.5% of holding | 342,974 | Form 4 |
| 2024-12-27 | RBRK | Sale | 990 @ $68.37 | $68K | −0.3% of holding | 343,774 | Form 4 |
| 2024-12-27 | RBRK | Sale | 810 @ $67.61 | $55K | −0.2% of holding | 344,764 | Form 4 |
| 2024-12-18 | RBRK | Sale | 1,800 @ $72.70 | $131K | −0.5% of holding | 344,574 | Form 4 |
| 2024-12-17 | RBRK | Sale | 3,973 @ $72.34 | $287K | −1.1% of holding | 345,374 | Form 4 |
| 2024-12-11 | RBRK | Sale | 1,800 @ $69.70 | $125K | −0.5% of holding | 342,160 | Form 4 |
| 2024-12-06 | RBRK | Sale | 30,000 @ $65.78 | $2.0M | −8.0% of holding | 342,960 | Form 4 |
| 2024-12-04 | RBRK | Sale | 1,800 @ $51.51 | $93K | −0.5% of holding | 372,960 | Form 4 |
159 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-24 | RBRK | Option exercise | 4,000 | 4,000 | Form 4 |
| 2026-08-24 | RBRK | Conversion | 4,000 | 988,073 | Form 4 |
| 2026-08-24 | RBRK | Conversion | 4,000 | 0 | Form 4 |
| 2026-08-24 | RBRK | Option exercise | 4,000 | 15,450 | Form 4 |
| 2026-07-15 | RBRK | Conversion | 12,000 | 1,012,073 | Form 4 |
| 2026-07-15 | RBRK | Conversion | 12,000 | 0 | Form 4 |
| 2026-07-15 | RBRK | Option exercise | 12,000 | 12,000 | Form 4 |
| 2026-07-15 | RBRK | Option exercise | 12,000 | 19,450 | Form 4 |
| 2026-06-16 | RBRK | Withheld for tax | 13,995 | 1,000,073 | Form 4 |
| 2026-04-14 | RBRK | Award / grant | 464,167 | 1,014,068 | Form 4 |
| 2026-04-07 | RBRK | Option exercise | 5,000 | 31,450 | Form 4 |
| 2026-04-07 | RBRK | Conversion | 5,000 | 0 | Form 4 |
| 2026-04-07 | RBRK | Option exercise | 5,000 | 5,000 | Form 4 |
| 2026-04-07 | RBRK | Conversion | 5,000 | 569,901 | Form 4 |
| 2026-03-24 | RBRK | Option exercise | 150,000 | 200,000 | Form 4 |
| 2026-03-24 | RBRK | Option exercise | 7,188 | 0 | Form 4 |
| 2026-03-24 | RBRK | Conversion | 212,188 | 687,514 | Form 4 |
| 2026-03-24 | RBRK | Option exercise | 55,000 | 192,500 | Form 4 |
| 2026-03-24 | RBRK | Conversion | 212,188 | 0 | Form 4 |
| 2026-03-24 | RBRK | Conversion | 212,188 | 0 | Form 4 |
| 2026-03-24 | RBRK | Option exercise | 212,188 | 212,188 | Form 4 |
| 2026-03-24 | RBRK | Option exercise | 212,188 | 212,188 | Form 4 |
| 2026-02-18 | RBRK | Conversion | 5,000 | 0 | Form 4 |
| 2026-02-18 | RBRK | Option exercise | 5,000 | 5,000 | Form 4 |
| 2026-02-18 | RBRK | Option exercise | 5,000 | 36,450 | Form 4 |
| 2026-02-18 | RBRK | Conversion | 5,000 | 494,959 | Form 4 |
| 2026-01-16 | RBRK | Option exercise | 5,000 | 41,450 | Form 4 |
| 2026-01-16 | RBRK | Conversion | 5,000 | 509,959 | Form 4 |
| 2026-01-16 | RBRK | Conversion | 5,000 | 0 | Form 4 |
| 2026-01-16 | RBRK | Option exercise | 5,000 | 5,000 | Form 4 |
| 2026-01-07 | RBRK | Option exercise | 2,000 | 2,000 | Form 4 |
| 2026-01-07 | RBRK | Conversion | 2,000 | 0 | Form 4 |
| 2026-01-07 | RBRK | Conversion | 2,000 | 508,459 | Form 4 |
| 2026-01-07 | RBRK | Option exercise | 2,000 | 46,450 | Form 4 |
| 2025-12-22 | RBRK | Conversion | 2,000 | 0 | Form 4 |
| 2025-12-22 | RBRK | Option exercise | 2,000 | 48,450 | Form 4 |
| 2025-12-22 | RBRK | Conversion | 2,000 | 509,959 | Form 4 |
| 2025-12-22 | RBRK | Option exercise | 2,000 | 2,000 | Form 4 |
| 2025-12-16 | RBRK | Conversion | 7,187 | 514,738 | Form 4 |
| 2025-12-16 | RBRK | Option exercise | 7,187 | 7,188 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.