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

RBRK · 237 trades
2026-08-24: Sale, 5,300 sh ($523K)2026-08-24: Sale, 4,400 sh ($430K)2026-08-24: Sale, 300 sh ($30K)2026-08-24: Option exercise, 4,000 sh ($0)2026-08-24: Conversion, 4,000 sh ($0)2026-08-24: Conversion, 4,000 sh ($0)2026-08-24: Option exercise, 4,000 sh ($0)2026-07-15: Sale, 15,600 sh ($1.3M)2026-07-15: Sale, 4,800 sh ($389K)2026-07-15: Sale, 2,100 sh ($182K)2026-07-15: Sale, 1,800 sh ($150K)2026-07-15: Sale, 1,200 sh ($99K)2026-07-15: Sale, 1,100 sh ($98K)2026-07-15: Sale, 1,000 sh ($87K)2026-07-15: Sale, 400 sh ($34K)2026-07-15: Conversion, 12,000 sh ($0)2026-07-15: Conversion, 12,000 sh ($0)2026-07-15: Option exercise, 12,000 sh ($0)2026-07-15: Option exercise, 12,000 sh ($0)2026-06-16: Withheld for tax, 13,995 sh ($977K)2026-04-14: Award / grant, 464,167 sh ($0)2026-04-07: Sale, 10,000 sh ($515K)2026-04-07: Sale, 5,200 sh ($273K)2026-04-07: Sale, 3,900 sh ($198K)2026-04-07: Sale, 900 sh ($48K)2026-04-07: Option exercise, 5,000 sh ($0)2026-04-07: Conversion, 5,000 sh ($0)2026-04-07: Option exercise, 5,000 sh ($0)2026-04-07: Conversion, 5,000 sh ($0)2026-03-24: Sale, 122,613 sh ($5.9M)2026-03-24: Option exercise, 150,000 sh ($0)2026-03-24: Option exercise, 7,188 sh ($0)2026-03-24: Conversion, 212,188 sh ($0)2026-03-24: Option exercise, 55,000 sh ($0)2026-03-24: Conversion, 212,188 sh2026-03-24: Conversion, 212,188 sh2026-03-24: Option exercise, 212,188 sh2026-03-24: Option exercise, 212,188 sh2026-02-18: Sale, 13,477 sh ($733K)2026-02-18: Sale, 5,623 sh ($303K)2026-02-18: Sale, 900 sh ($47K)2026-02-18: Conversion, 5,000 sh ($0)2026-02-18: Option exercise, 5,000 sh ($0)2026-02-18: Option exercise, 5,000 sh ($0)2026-02-18: Conversion, 5,000 sh ($0)2026-01-16: Sale, 14,373 sh ($968K)2026-01-16: Sale, 5,427 sh ($372K)2026-01-16: Sale, 200 sh ($14K)2026-01-16: Option exercise, 5,000 sh ($0)2026-01-16: Conversion, 5,000 sh ($0)2026-01-16: Conversion, 5,000 sh ($0)2026-01-16: Option exercise, 5,000 sh ($0)2026-01-07: Sale, 1,900 sh ($143K)2026-01-07: Sale, 1,500 sh ($116K)2026-01-07: Sale, 100 sh ($8K)2026-01-07: Option exercise, 2,000 sh ($0)2026-01-07: Conversion, 2,000 sh ($0)2026-01-07: Conversion, 2,000 sh ($0)2026-01-07: Option exercise, 2,000 sh ($0)2025-12-22: Sale, 2,600 sh ($205K)2025-12-22: Sale, 900 sh ($72K)2025-12-22: Conversion, 2,000 sh ($0)2025-12-22: Option exercise, 2,000 sh ($0)2025-12-22: Conversion, 2,000 sh ($0)2025-12-22: Option exercise, 2,000 sh ($0)2025-12-17: Sale, 3,984 sh ($304K)2025-12-17: Sale, 2,795 sh ($213K)2025-12-16: Conversion, 7,187 sh ($0)2025-12-16: Option exercise, 7,187 sh ($0)2025-12-16: Conversion, 7,187 sh2025-12-16: Option exercise, 7,187 sh2025-12-16: Conversion, 7,187 sh2025-12-16: Option exercise, 7,187 sh2025-12-09: Sale, 2,700 sh ($247K)2025-12-09: Sale, 400 sh ($37K)2025-12-09: Sale, 200 sh ($18K)2025-12-09: Sale, 200 sh ($18K)2025-12-09: Conversion, 2,000 sh ($0)2025-12-09: Conversion, 2,000 sh ($0)2025-12-09: Option exercise, 2,000 sh ($0)2025-12-09: Option exercise, 2,000 sh ($0)2025-11-19: Sale, 1,900 sh ($131K)2025-11-19: Sale, 1,600 sh ($112K)2025-11-19: Conversion, 2,000 sh ($0)2025-11-19: Conversion, 2,000 sh ($0)2025-11-19: Option exercise, 2,000 sh ($0)2025-11-19: Option exercise, 2,000 sh ($0)2025-11-05: Sale, 3,500 sh ($253K)2025-11-05: Conversion, 2,000 sh ($0)2025-11-05: Conversion, 2,000 sh ($0)2025-11-05: Option exercise, 2,000 sh ($0)2025-11-05: Option exercise, 2,000 sh ($0)2025-10-15: Sale, 2,200 sh ($176K)2025-10-15: Sale, 1,200 sh ($95K)2025-10-15: Sale, 100 sh ($8K)2025-10-15: Conversion, 2,000 sh ($0)2025-10-15: Conversion, 2,000 sh ($0)2025-10-15: Option exercise, 2,000 sh ($0)2025-10-15: Option exercise, 2,000 sh ($0)2025-10-01: Sale, 1,780 sh ($148K)2025-10-01: Sale, 1,520 sh ($125K)2025-10-01: Sale, 200 sh ($17K)2025-10-01: Option exercise, 2,000 sh ($0)2025-10-01: Conversion, 2,000 sh ($0)2025-10-01: Conversion, 2,000 sh ($0)2025-10-01: Option exercise, 2,000 sh ($0)2025-09-17: Sale, 3,500 sh ($262K)2025-09-17: Conversion, 2,000 sh ($0)2025-09-17: Conversion, 2,000 sh ($0)2025-09-17: Option exercise, 2,000 sh ($0)2025-09-17: Option exercise, 2,000 sh ($0)2025-09-16: Sale, 6,599 sh ($490K)2025-09-16: Conversion, 7,188 sh ($0)2025-09-16: Conversion, 7,188 sh ($0)2025-09-16: Option exercise, 7,188 sh ($0)2025-09-16: Option exercise, 7,188 sh ($0)2025-09-03: Sale, 3,500 sh ($309K)2025-09-03: Option exercise, 2,000 sh ($0)2025-09-03: Conversion, 2,000 sh ($0)2025-09-03: Option exercise, 2,000 sh ($0)2025-09-03: Conversion, 2,000 sh ($0)2025-08-20: Sale, 3,500 sh ($290K)2025-08-20: Option exercise, 2,000 sh ($0)2025-08-20: Option exercise, 2,000 sh ($0)2025-08-20: Conversion, 2,000 sh ($0)2025-08-20: Conversion, 2,000 sh ($0)2025-08-06: Sale, 3,500 sh ($309K)2025-08-06: Option exercise, 2,000 sh ($0)2025-08-06: Conversion, 2,000 sh ($0)2025-08-06: Conversion, 2,000 sh ($0)2025-08-06: Option exercise, 2,000 sh ($0)2025-07-23: Sale, 3,500 sh ($294K)2025-07-23: Option exercise, 2,000 sh ($0)2025-07-23: Conversion, 2,000 sh ($0)2025-07-23: Option exercise, 2,000 sh ($0)2025-07-23: Conversion, 2,000 sh ($0)2025-07-09: Sale, 3,500 sh ($306K)2025-07-09: Conversion, 2,000 sh ($0)2025-07-09: Conversion, 2,000 sh ($0)2025-07-09: Option exercise, 2,000 sh ($0)2025-07-09: Option exercise, 2,000 sh ($0)2025-06-25: Sale, 3,500 sh ($319K)2025-06-25: Conversion, 2,000 sh ($0)2025-06-25: Conversion, 2,000 sh ($0)2025-06-25: Option exercise, 2,000 sh ($0)2025-06-25: Option exercise, 2,000 sh ($0)2025-06-17: Sale, 6,757 sh ($598K)2025-06-17: Conversion, 7,187 sh ($0)2025-06-17: Option exercise, 7,187 sh ($0)2025-06-17: Option exercise, 7,187 sh2025-06-17: Conversion, 7,187 sh2025-06-11: Sale, 1,900 sh ($167K)2025-06-11: Sale, 1,500 sh ($133K)2025-06-11: Sale, 100 sh ($9K)2025-06-11: Conversion, 2,000 sh ($0)2025-06-11: Option exercise, 2,000 sh ($0)2025-06-11: Option exercise, 2,000 sh ($0)2025-06-11: Conversion, 2,000 sh ($0)2025-06-05: Sale, 30,000 sh ($3.0M)2025-05-28: Sale, 3,500 sh ($332K)2025-05-22: Sale, 10,000 sh ($901K)2025-05-14: Sale, 3,307 sh ($277K)2025-05-14: Sale, 193 sh ($16K)2025-05-13: Sale, 20,000 sh ($1.6M)2025-05-05: Sale, 5,000 sh ($375K)2025-04-30: Sale, 18,436 sh ($1.3M)2025-04-30: Sale, 3,362 sh ($237K)2025-04-30: Sale, 1,702 sh ($117K)2025-04-30: Option exercise, 2,000 sh ($0)2025-04-30: Option exercise, 2,000 sh ($0)2025-04-30: Conversion, 2,000 sh ($0)2025-04-30: Conversion, 2,000 sh ($0)2025-04-16: Sale, 1,200 sh ($75K)2025-04-16: Sale, 500 sh ($30K)2025-04-16: Sale, 300 sh ($19K)2025-04-16: Conversion, 2,000 sh ($0)2025-04-16: Option exercise, 2,000 sh ($0)2025-04-16: Conversion, 2,000 sh ($0)2025-04-16: Option exercise, 2,000 sh ($0)2025-03-30: Award / grant, 201,707 sh ($0)2025-03-21: Sale, 87,971 sh ($6.2M)2025-03-21: Option exercise, 7,188 sh ($0)2025-03-21: Option exercise, 27,500 sh ($0)2025-03-21: Option exercise, 125,000 sh ($0)2025-03-21: Conversion, 159,688 sh ($0)2025-03-21: Conversion, 159,688 sh2025-03-21: Option exercise, 159,688 sh2025-03-21: Option exercise, 159,688 sh2025-03-21: Conversion, 159,688 sh2025-01-15: Sale, 1,800 sh ($120K)2025-01-15: Option exercise, 1,000 sh ($0)2025-01-15: Conversion, 1,000 sh ($0)2025-01-15: Conversion, 1,000 sh ($0)2025-01-15: Option exercise, 1,000 sh ($0)2025-01-08: Sale, 1,800 sh ($113K)2025-01-08: Conversion, 1,000 sh ($0)2025-01-08: Conversion, 1,000 sh ($0)2025-01-08: Option exercise, 1,000 sh ($0)2025-01-08: Option exercise, 1,000 sh ($0)2025-01-02: Sale, 1,800 sh ($118K)2025-01-02: Conversion, 1,000 sh ($0)2025-01-02: Option exercise, 1,000 sh ($0)2025-01-02: Option exercise, 1,000 sh ($0)2025-01-02: Conversion, 1,000 sh ($0)2024-12-27: Sale, 990 sh ($68K)2024-12-27: Sale, 810 sh ($55K)2024-12-27: Conversion, 1,000 sh ($0)2024-12-27: Conversion, 1,000 sh ($0)2024-12-27: Option exercise, 1,000 sh ($0)2024-12-27: Option exercise, 1,000 sh ($0)2024-12-18: Sale, 1,800 sh ($131K)2024-12-18: Option exercise, 1,000 sh ($0)2024-12-18: Conversion, 1,000 sh ($0)2024-12-18: Conversion, 1,000 sh ($0)2024-12-18: Option exercise, 1,000 sh ($0)2024-12-17: Sale, 3,973 sh ($287K)2024-12-17: Conversion, 7,187 sh ($0)2024-12-17: Option exercise, 7,187 sh ($0)2024-12-17: Conversion, 7,187 sh2024-12-17: Option exercise, 7,187 sh2024-12-17: Conversion, 7,187 sh2024-12-17: Option exercise, 7,187 sh2024-12-11: Sale, 1,800 sh ($125K)2024-12-11: Conversion, 1,000 sh ($0)2024-12-11: Option exercise, 1,000 sh ($0)2024-12-11: Conversion, 1,000 sh2024-12-11: Conversion, 1,000 sh2024-12-11: Option exercise, 1,000 sh2024-12-11: Option exercise, 1,000 sh2024-12-06: Sale, 30,000 sh ($2.0M)2024-12-04: Sale, 1,800 sh ($93K)2024-12-04: Conversion, 1,000 sh ($0)2024-12-04: Option exercise, 1,000 sh ($0)2024-12-04: Conversion, 1,000 sh2024-12-04: Option exercise, 1,000 sh2024-12-04: Conversion, 1,000 sh2024-12-04: Option exercise, 1,000 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-24RBRKSale5,300 @ $98.65$523K−0.5% of holding978,373Form 4
2026-08-24RBRKSale4,400 @ $97.81$430K−0.4% of holding983,673Form 4
2026-08-24RBRKSale300 @ $99.93$30K−0.0% of holding978,073Form 4
2026-07-15RBRKSale15,600 @ $80.15$1.3M−1.5% of holding996,473Form 4
2026-07-15RBRKSale4,800 @ $80.94$389K−0.5% of holding991,673Form 4
2026-07-15RBRKSale2,100 @ $86.58$182K−0.2% of holding986,173Form 4
2026-07-15RBRKSale1,800 @ $83.37$150K−0.2% of holding988,673Form 4
2026-07-15RBRKSale1,200 @ $82.27$99K−0.1% of holding990,473Form 4
2026-07-15RBRKSale1,100 @ $88.64$98K−0.1% of holding984,073Form 4
2026-07-15RBRKSale1,000 @ $87.35$87K−0.1% of holding985,173Form 4
2026-07-15RBRKSale400 @ $85.15$34K−0.0% of holding988,273Form 4
2026-04-07RBRKSale10,000 @ $51.51$515K−1.8% of holding556,001Form 4
2026-04-07RBRKSale5,200 @ $52.55$273K−0.9% of holding550,801Form 4
2026-04-07RBRKSale3,900 @ $50.66$198K−0.7% of holding566,001Form 4
2026-04-07RBRKSale900 @ $53.11$48K−0.2% of holding549,901Form 4
2026-03-24RBRKSale122,613 @ $48.20$5.9M−17.8% of holding564,901Form 4
2026-02-18RBRKSale13,477 @ $54.39$733K−2.8% of holding474,959Form 4
2026-02-18RBRKSale5,623 @ $53.91$303K−1.1% of holding488,436Form 4
2026-02-18RBRKSale900 @ $52.55$47K−0.2% of holding494,059Form 4
2026-01-16RBRKSale14,373 @ $67.34$968K−2.8% of holding495,586Form 4
2026-01-16RBRKSale5,427 @ $68.46$372K−1.1% of holding490,159Form 4
2026-01-16RBRKSale200 @ $69.08$14K−0.0% of holding489,959Form 4
2026-01-07RBRKSale1,900 @ $75.49$143K−0.4% of holding506,559Form 4
2026-01-07RBRKSale1,500 @ $77.02$116K−0.3% of holding505,059Form 4
2026-01-07RBRKSale100 @ $77.50$8K−0.0% of holding504,959Form 4
2025-12-22RBRKSale2,600 @ $79.02$205K−0.5% of holding507,359Form 4
2025-12-22RBRKSale900 @ $79.93$72K−0.2% of holding506,459Form 4
2025-12-17RBRKSale3,984 @ $76.18$304K−0.8% of holding510,754Form 4
2025-12-17RBRKSale2,795 @ $76.19$213K−0.5% of holding507,959Form 4
2025-12-09RBRKSale2,700 @ $91.62$247K−0.5% of holding507,951Form 4
2025-12-09RBRKSale400 @ $92.14$37K−0.1% of holding507,551Form 4
2025-12-09RBRKSale200 @ $90.39$18K−0.0% of holding510,651Form 4
2025-12-09RBRKSale200 @ $89.01$18K−0.0% of holding510,851Form 4
2025-11-19RBRKSale1,900 @ $68.91$131K−0.4% of holding510,651Form 4
2025-11-19RBRKSale1,600 @ $70.12$112K−0.3% of holding509,051Form 4
2025-11-05RBRKSale3,500 @ $72.29$253K−0.7% of holding510,551Form 4
2025-10-15RBRKSale2,200 @ $80.17$176K−0.4% of holding512,151Form 4
2025-10-15RBRKSale1,200 @ $79.00$95K−0.2% of holding514,351Form 4
2025-10-15RBRKSale100 @ $80.62$8K−0.0% of holding512,051Form 4
2025-10-01RBRKSale1,780 @ $83.03$148K−0.3% of holding513,751Form 4
2025-10-01RBRKSale1,520 @ $82.12$125K−0.3% of holding515,531Form 4
2025-10-01RBRKSale200 @ $83.77$17K−0.0% of holding513,551Form 4
2025-09-17RBRKSale3,500 @ $74.82$262K−0.7% of holding514,684Form 4
2025-09-16RBRKSale6,599 @ $74.21$490K−1.3% of holding516,184Form 4
2025-09-03RBRKSale3,500 @ $88.26$309K−0.7% of holding515,595Form 4
2025-08-20RBRKSale3,500 @ $82.93$290K−0.7% of holding517,095Form 4
2025-08-06RBRKSale3,500 @ $88.37$309K−0.7% of holding518,595Form 4
2025-07-23RBRKSale3,500 @ $83.90$294K−0.7% of holding520,095Form 4
2025-07-09RBRKSale3,500 @ $87.54$306K−0.7% of holding521,595Form 4
2025-06-25RBRKSale3,500 @ $91.00$319K−0.7% of holding523,095Form 4
2025-06-17RBRKSale6,757 @ $88.56$598K−1.3% of holding524,595Form 4
2025-06-11RBRKSale1,900 @ $87.76$167K−0.4% of holding525,765Form 4
2025-06-11RBRKSale1,500 @ $88.77$133K−0.3% of holding524,265Form 4
2025-06-11RBRKSale100 @ $89.74$9K−0.0% of holding524,165Form 4
2025-06-05RBRKSale30,000 @ $100.24$3.0M−5.4% of holding521,665Form 4
2025-05-28RBRKSale3,500 @ $94.86$332K−0.6% of holding551,665Form 4
2025-05-22RBRKSale10,000 @ $90.07$901K−1.8% of holding555,165Form 4
2025-05-14RBRKSale3,307 @ $83.77$277K−0.6% of holding565,358Form 4
2025-05-14RBRKSale193 @ $84.58$16K−0.0% of holding565,165Form 4
2025-05-13RBRKSale20,000 @ $80.04$1.6M−3.4% of holding568,665Form 4
2025-05-05RBRKSale5,000 @ $75.00$375K−0.8% of holding588,665Form 4
2025-04-30RBRKSale18,436 @ $69.82$1.3M−3.0% of holding596,660Form 4
2025-04-30RBRKSale3,362 @ $70.36$237K−0.6% of holding593,298Form 4
2025-04-30RBRKSale1,702 @ $68.74$117K−0.3% of holding615,096Form 4
2025-04-16RBRKSale1,200 @ $62.29$75K−0.2% of holding615,098Form 4
2025-04-16RBRKSale500 @ $60.94$30K−0.1% of holding616,298Form 4
2025-04-16RBRKSale300 @ $62.80$19K−0.0% of holding614,798Form 4
2025-03-21RBRKSale87,971 @ $70.04$6.2M−17.5% of holding413,458Form 4
2025-01-15RBRKSale1,800 @ $66.52$120K−0.5% of holding341,374Form 4
2025-01-08RBRKSale1,800 @ $62.60$113K−0.5% of holding342,174Form 4
2025-01-02RBRKSale1,800 @ $65.72$118K−0.5% of holding342,974Form 4
2024-12-27RBRKSale990 @ $68.37$68K−0.3% of holding343,774Form 4
2024-12-27RBRKSale810 @ $67.61$55K−0.2% of holding344,764Form 4
2024-12-18RBRKSale1,800 @ $72.70$131K−0.5% of holding344,574Form 4
2024-12-17RBRKSale3,973 @ $72.34$287K−1.1% of holding345,374Form 4
2024-12-11RBRKSale1,800 @ $69.70$125K−0.5% of holding342,160Form 4
2024-12-06RBRKSale30,000 @ $65.78$2.0M−8.0% of holding342,960Form 4
2024-12-04RBRKSale1,800 @ $51.51$93K−0.5% of holding372,960Form 4
159 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-24RBRKOption exercise4,0004,000Form 4
2026-08-24RBRKConversion4,000988,073Form 4
2026-08-24RBRKConversion4,0000Form 4
2026-08-24RBRKOption exercise4,00015,450Form 4
2026-07-15RBRKConversion12,0001,012,073Form 4
2026-07-15RBRKConversion12,0000Form 4
2026-07-15RBRKOption exercise12,00012,000Form 4
2026-07-15RBRKOption exercise12,00019,450Form 4
2026-06-16RBRKWithheld for tax13,9951,000,073Form 4
2026-04-14RBRKAward / grant464,1671,014,068Form 4
2026-04-07RBRKOption exercise5,00031,450Form 4
2026-04-07RBRKConversion5,0000Form 4
2026-04-07RBRKOption exercise5,0005,000Form 4
2026-04-07RBRKConversion5,000569,901Form 4
2026-03-24RBRKOption exercise150,000200,000Form 4
2026-03-24RBRKOption exercise7,1880Form 4
2026-03-24RBRKConversion212,188687,514Form 4
2026-03-24RBRKOption exercise55,000192,500Form 4
2026-03-24RBRKConversion212,1880Form 4
2026-03-24RBRKConversion212,1880Form 4
2026-03-24RBRKOption exercise212,188212,188Form 4
2026-03-24RBRKOption exercise212,188212,188Form 4
2026-02-18RBRKConversion5,0000Form 4
2026-02-18RBRKOption exercise5,0005,000Form 4
2026-02-18RBRKOption exercise5,00036,450Form 4
2026-02-18RBRKConversion5,000494,959Form 4
2026-01-16RBRKOption exercise5,00041,450Form 4
2026-01-16RBRKConversion5,000509,959Form 4
2026-01-16RBRKConversion5,0000Form 4
2026-01-16RBRKOption exercise5,0005,000Form 4
2026-01-07RBRKOption exercise2,0002,000Form 4
2026-01-07RBRKConversion2,0000Form 4
2026-01-07RBRKConversion2,000508,459Form 4
2026-01-07RBRKOption exercise2,00046,450Form 4
2025-12-22RBRKConversion2,0000Form 4
2025-12-22RBRKOption exercise2,00048,450Form 4
2025-12-22RBRKConversion2,000509,959Form 4
2025-12-22RBRKOption exercise2,0002,000Form 4
2025-12-16RBRKConversion7,187514,738Form 4
2025-12-16RBRKOption exercise7,1877,188Form 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.