Brophy Michael Burkes

Officer · NTRA

As of 2026-09-16, Brophy Michael Burkes has 132 Form 4 transactions on record across 1 company — 59 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 July in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $17.8MIndirect: $0$17.8Mas of 2026-09-16
  • Direct $17.8M
  • Indirect $0
NTRAdirect51,637 sh$17.8M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

NTRA · 132 trades
2026-08-04: Sale, 478 sh ($131K)2026-08-03: Sale, 317 sh ($85K)2026-07-29: Sale, 1,863 sh ($465K)2026-07-28: Sale, 1,241 sh ($315K)2026-07-28: Sale, 1,008 sh ($256K)2026-07-28: Sale, 170 sh ($43K)2026-07-27: Sale, 782 sh ($204K)2026-05-04: Sale, 482 sh ($101K)2026-05-01: Sale, 313 sh ($65K)2026-04-29: Sale, 1,070 sh ($208K)2026-04-29: Sale, 1,000 sh ($194K)2026-04-29: Sale, 500 sh ($96K)2026-04-29: Sale, 300 sh ($57K)2026-04-29: Sale, 200 sh ($39K)2026-04-27: Sale, 1,222 sh ($250K)2026-04-27: Sale, 771 sh ($157K)2026-03-10: Sale, 785 sh ($160K)2026-03-09: Award / grant, 1,968 sh2026-03-09: Award / grant, 1,968 sh2026-02-27: Award / grant, 10,051 sh2026-02-27: Award / grant, 10,051 sh2026-02-03: Sale, 4,971 sh ($1.1M)2026-02-03: Sale, 1,268 sh ($293K)2026-02-03: Sale, 700 sh ($158K)2026-01-29: Sale, 991 sh ($228K)2026-01-29: Sale, 876 sh ($202K)2026-01-28: Sale, 1,237 sh ($294K)2026-01-28: Sale, 1,176 sh ($279K)2026-01-27: Sale, 784 sh ($189K)2026-01-21: Sale, 36,573 sh ($8.9M)2026-01-21: Sale, 602 sh ($141K)2026-01-20: Sale, 23,948 sh ($5.6M)2026-01-20: Option exercise, 1,522 sh ($0)2026-01-20: Option exercise, 1,522 sh2026-01-20: Option exercise, 1,522 sh2026-01-14: Award / grant, 59,596 sh ($0)2025-10-29: Sale, 667 sh ($127K)2025-10-29: Sale, 500 sh ($96K)2025-10-29: Sale, 400 sh ($76K)2025-10-29: Sale, 300 sh ($57K)2025-10-28: Sale, 1,237 sh ($237K)2025-10-28: Sale, 574 sh ($109K)2025-10-28: Sale, 404 sh ($77K)2025-10-28: Sale, 200 sh ($38K)2025-10-27: Sale, 781 sh ($150K)2025-10-24: Sale, 755 sh ($149K)2025-10-23: Sale, 495 sh ($93K)2025-10-22: Sale, 920 sh ($172K)2025-10-22: Option exercise, 1,250 sh ($0)2025-10-22: Option exercise, 1,250 sh2025-10-22: Option exercise, 1,250 sh2025-10-21: Sale, 602 sh ($113K)2025-10-20: Option exercise, 1,522 sh ($0)2025-10-20: Option exercise, 1,522 sh2025-10-20: Option exercise, 1,522 sh2025-09-30: Sale, 2,491 sh ($404K)2025-09-29: Option exercise, 6,250 sh ($0)2025-09-29: Option exercise, 6,250 sh2025-09-29: Option exercise, 6,250 sh2025-07-29: Sale, 1,278 sh ($176K)2025-07-29: Sale, 1,200 sh ($165K)2025-07-29: Sale, 567 sh ($77K)2025-07-28: Sale, 2,019 sh ($282K)2025-07-24: Sale, 458 sh ($64K)2025-07-24: Sale, 297 sh ($42K)2025-07-23: Sale, 495 sh ($70K)2025-07-22: Sale, 920 sh ($128K)2025-07-22: Option exercise, 1,250 sh ($0)2025-07-22: Option exercise, 1,250 sh2025-07-22: Option exercise, 1,250 sh2025-07-21: Sale, 602 sh ($84K)2025-07-20: Option exercise, 1,522 sh ($0)2025-07-20: Option exercise, 1,522 sh2025-07-20: Option exercise, 1,522 sh2025-04-29: Sale, 1,445 sh ($224K)2025-04-29: Sale, 700 sh ($108K)2025-04-29: Sale, 700 sh ($107K)2025-04-29: Sale, 200 sh ($31K)2025-04-28: Sale, 2,018 sh ($307K)2025-04-24: Sale, 561 sh ($86K)2025-04-24: Sale, 194 sh ($30K)2025-04-23: Sale, 495 sh ($75K)2025-04-22: Sale, 603 sh ($88K)2025-04-22: Sale, 308 sh ($44K)2025-04-22: Option exercise, 1,250 sh ($0)2025-04-22: Option exercise, 1,250 sh2025-04-22: Option exercise, 1,250 sh2025-04-21: Sale, 602 sh ($88K)2025-04-21: Sale, 8 sh ($1K)2025-04-20: Option exercise, 1,521 sh ($0)2025-04-20: Option exercise, 1,521 sh2025-04-20: Option exercise, 1,521 sh2025-03-31: Sale, 2,494 sh ($345K)2025-03-31: Sale, 68 sh ($9K)2025-03-28: Option exercise, 6,250 sh ($0)2025-03-28: Option exercise, 6,250 sh2025-03-28: Option exercise, 6,250 sh2025-03-17: Sale, 790 sh ($115K)2025-03-17: Sale, 2 sh ($299)2025-03-12: Award / grant, 2,032 sh2025-03-12: Award / grant, 2,032 sh2025-02-03: Sale, 21,362 sh ($3.8M)2025-02-03: Sale, 17,140 sh ($3.0M)2025-02-03: Sale, 3,500 sh ($614K)2025-02-03: Sale, 1,500 sh ($267K)2025-01-31: Sale, 1,886 sh ($333K)2025-01-31: Sale, 400 sh ($69K)2025-01-31: Award / grant, 12,720 sh2025-01-31: Award / grant, 12,720 sh2025-01-29: Sale, 3,115 sh ($517K)2025-01-29: Sale, 1,217 sh ($202K)2025-01-29: Sale, 2 sh ($334)2025-01-29: Sale, 1 sh ($167)2025-01-27: Sale, 1,442 sh ($233K)2025-01-24: Sale, 687 sh ($118K)2025-01-24: Sale, 259 sh ($45K)2025-01-23: Sale, 495 sh ($85K)2025-01-22: Sale, 25,867 sh ($4.3M)2025-01-22: Sale, 64 sh ($11K)2025-01-22: Option exercise, 1,250 sh ($0)2025-01-22: Option exercise, 1,250 sh2025-01-21: Option exercise, 1,145 sh ($0)2025-01-21: Option exercise, 1,145 sh2025-01-21: Option exercise, 1,145 sh2025-01-20: Option exercise, 1,522 sh ($0)2025-01-20: Option exercise, 1,522 sh2025-01-20: Option exercise, 1,522 sh2025-01-16: Option exercise, 24,348 sh ($0)2025-01-16: Award / grant, 39,730 sh2025-01-16: Option exercise, 24,348 sh2025-01-16: Award / grant, 39,730 sh2025-01-16: Option exercise, 24,348 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-04NTRASale478 @ $274.22$131K−0.9% of holding51,637Form 4
2026-08-03NTRASale317 @ $267.99$85K−0.6% of holding52,115Form 4
2026-07-29NTRASale1,863 @ $249.38$465K−3.4% of holding52,432Form 4
2026-07-28NTRASale1,241 @ $254.07$315K−2.2% of holding55,473Form 4
2026-07-28NTRASale1,008 @ $253.77$256K−1.8% of holding54,465Form 4
2026-07-28NTRASale170 @ $254.33$43K−0.3% of holding54,295Form 4
2026-07-27NTRASale782 @ $260.49$204K−1.4% of holding56,714Form 4
2026-05-04NTRASale482 @ $210.49$101K−0.8% of holding57,496Form 4
2026-05-01NTRASale313 @ $206.16$65K−0.5% of holding57,978Form 4
2026-04-29NTRASale1,070 @ $194.82$208K−1.8% of holding58,491Form 4
2026-04-29NTRASale1,000 @ $193.78$194K−1.7% of holding59,561Form 4
2026-04-29NTRASale500 @ $192.13$96K−0.8% of holding60,561Form 4
2026-04-29NTRASale300 @ $190.12$57K−0.5% of holding61,061Form 4
2026-04-29NTRASale200 @ $197.26$39K−0.3% of holding58,291Form 4
2026-04-27NTRASale1,222 @ $204.39$250K−2.0% of holding61,361Form 4
2026-04-27NTRASale771 @ $203.75$157K−1.2% of holding62,583Form 4
2026-03-10NTRASale785 @ $204.13$160K−1.2% of holding63,354Form 4
2026-02-03NTRASale4,971 @ $227.45$1.1M−8.7% of holding52,120Form 4
2026-02-03NTRASale1,268 @ $230.77$293K−2.1% of holding57,791Form 4
2026-02-03NTRASale700 @ $225.25$158K−1.2% of holding57,091Form 4
2026-01-29NTRASale991 @ $229.94$228K−1.6% of holding59,935Form 4
2026-01-29NTRASale876 @ $230.92$202K−1.5% of holding59,059Form 4
2026-01-28NTRASale1,237 @ $237.66$294K−2.0% of holding62,102Form 4
2026-01-28NTRASale1,176 @ $237.44$279K−1.9% of holding60,926Form 4
2026-01-27NTRASale784 @ $240.53$189K−1.2% of holding63,339Form 4
2026-01-21NTRASale36,573 @ $242.67$8.9M−36.3% of holding64,123Form 4
2026-01-21NTRASale602 @ $235.00$141K−0.6% of holding100,696Form 4
2026-01-20NTRASale23,948 @ $234.74$5.6M−19.4% of holding99,776Form 4
2025-10-29NTRASale667 @ $190.99$127K−1.0% of holding64,626Form 4
2025-10-29NTRASale500 @ $192.12$96K−0.8% of holding64,126Form 4
2025-10-29NTRASale400 @ $189.91$76K−0.6% of holding65,293Form 4
2025-10-29NTRASale300 @ $188.37$57K−0.5% of holding65,693Form 4
2025-10-28NTRASale1,237 @ $191.46$237K−1.8% of holding67,171Form 4
2025-10-28NTRASale574 @ $189.90$109K−0.9% of holding66,597Form 4
2025-10-28NTRASale404 @ $191.51$77K−0.6% of holding66,193Form 4
2025-10-28NTRASale200 @ $192.19$38K−0.3% of holding65,993Form 4
2025-10-27NTRASale781 @ $192.32$150K−1.1% of holding68,408Form 4
2025-10-24NTRASale755 @ $196.77$149K−1.1% of holding69,189Form 4
2025-10-23NTRASale495 @ $187.16$93K−0.7% of holding69,944Form 4
2025-10-22NTRASale920 @ $186.68$172K−1.3% of holding69,189Form 4
2025-10-21NTRASale602 @ $187.95$113K−0.9% of holding70,109Form 4
2025-09-30NTRASale2,491 @ $162.05$404K−3.5% of holding69,189Form 4
2025-07-29NTRASale1,278 @ $138.01$176K−1.9% of holding65,430Form 4
2025-07-29NTRASale1,200 @ $137.42$165K−1.8% of holding66,708Form 4
2025-07-29NTRASale567 @ $136.01$77K−0.8% of holding67,908Form 4
2025-07-28NTRASale2,019 @ $139.81$282K−2.9% of holding68,475Form 4
2025-07-24NTRASale458 @ $139.20$64K−0.6% of holding70,791Form 4
2025-07-24NTRASale297 @ $139.95$42K−0.4% of holding70,494Form 4
2025-07-23NTRASale495 @ $141.28$70K−0.7% of holding71,249Form 4
2025-07-22NTRASale920 @ $139.58$128K−1.3% of holding70,494Form 4
2025-07-21NTRASale602 @ $139.29$84K−0.8% of holding71,414Form 4
2025-04-29NTRASale1,445 @ $154.74$224K−2.0% of holding70,694Form 4
2025-04-29NTRASale700 @ $153.94$108K−1.0% of holding72,139Form 4
2025-04-29NTRASale700 @ $152.90$107K−1.0% of holding72,839Form 4
2025-04-29NTRASale200 @ $155.44$31K−0.3% of holding70,494Form 4
2025-04-28NTRASale2,018 @ $152.18$307K−2.7% of holding73,539Form 4
2025-04-24NTRASale561 @ $152.45$86K−0.7% of holding75,751Form 4
2025-04-24NTRASale194 @ $152.46$30K−0.3% of holding75,557Form 4
2025-04-23NTRASale495 @ $150.74$75K−0.6% of holding76,312Form 4
2025-04-22NTRASale603 @ $145.35$88K−0.8% of holding75,557Form 4
2025-04-22NTRASale308 @ $144.30$44K−0.4% of holding76,160Form 4
2025-04-21NTRASale602 @ $145.54$88K−0.8% of holding76,476Form 4
2025-04-21NTRASale8 @ $146.16$1K−0.0% of holding76,468Form 4
2025-03-31NTRASale2,494 @ $138.41$345K−3.2% of holding75,625Form 4
2025-03-31NTRASale68 @ $138.36$9K−0.1% of holding75,557Form 4
2025-03-17NTRASale790 @ $146.03$115K−1.1% of holding71,871Form 4
2025-03-17NTRASale2 @ $149.57$299−0.0% of holding71,869Form 4
2025-02-03NTRASale21,362 @ $177.25$3.8M−22.8% of holding72,129Form 4
2025-02-03NTRASale17,140 @ $176.61$3.0M−15.5% of holding93,491Form 4
2025-02-03NTRASale3,500 @ $175.39$614K−3.1% of holding110,631Form 4
2025-02-03NTRASale1,500 @ $178.19$267K−2.1% of holding70,629Form 4
2025-01-31NTRASale1,886 @ $176.60$333K−1.8% of holding101,811Form 4
2025-01-31NTRASale400 @ $173.05$69K−0.3% of holding114,131Form 4
2025-01-29NTRASale3,115 @ $165.87$517K−2.9% of holding103,699Form 4
2025-01-29NTRASale1,217 @ $165.87$202K−1.1% of holding106,815Form 4
2025-01-29NTRASale2 @ $167.08$334−0.0% of holding103,697Form 4
2025-01-29NTRASale1 @ $167.08$167−0.0% of holding106,814Form 4
2025-01-27NTRASale1,442 @ $161.87$233K−1.3% of holding108,032Form 4
2025-01-24NTRASale687 @ $171.80$118K−0.6% of holding109,733Form 4
2025-01-24NTRASale259 @ $172.44$45K−0.2% of holding109,474Form 4
49 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-09NTRAAward / grant1,96864,139Form 4
2026-03-09NTRAAward / grant1,96864,139Form 4
2026-02-27NTRAAward / grant10,05162,171Form 4
2026-02-27NTRAAward / grant10,05162,171Form 4
2026-01-20NTRAOption exercise1,5220Form 4
2026-01-20NTRAOption exercise1,522101,298Form 4
2026-01-20NTRAOption exercise1,522101,298Form 4
2026-01-14NTRAAward / grant59,596123,722Form 4
2025-10-22NTRAOption exercise1,2500Form 4
2025-10-22NTRAOption exercise1,25070,439Form 4
2025-10-22NTRAOption exercise1,25070,439Form 4
2025-10-20NTRAOption exercise1,5221,522Form 4
2025-10-20NTRAOption exercise1,52270,711Form 4
2025-10-20NTRAOption exercise1,52270,711Form 4
2025-09-29NTRAOption exercise6,2500Form 4
2025-09-29NTRAOption exercise6,25071,680Form 4
2025-09-29NTRAOption exercise6,25071,680Form 4
2025-07-22NTRAOption exercise1,2501,250Form 4
2025-07-22NTRAOption exercise1,25071,744Form 4
2025-07-22NTRAOption exercise1,25071,744Form 4
2025-07-20NTRAOption exercise1,5223,044Form 4
2025-07-20NTRAOption exercise1,52272,016Form 4
2025-07-20NTRAOption exercise1,52272,016Form 4
2025-04-22NTRAOption exercise1,2502,500Form 4
2025-04-22NTRAOption exercise1,25076,807Form 4
2025-04-22NTRAOption exercise1,25076,807Form 4
2025-04-20NTRAOption exercise1,5214,566Form 4
2025-04-20NTRAOption exercise1,52177,078Form 4
2025-04-20NTRAOption exercise1,52177,078Form 4
2025-03-28NTRAOption exercise6,2506,250Form 4
2025-03-28NTRAOption exercise6,25078,119Form 4
2025-03-28NTRAOption exercise6,25078,119Form 4
2025-03-12NTRAAward / grant2,03272,661Form 4
2025-03-12NTRAAward / grant2,03272,661Form 4
2025-01-31NTRAAward / grant12,720114,531Form 4
2025-01-31NTRAAward / grant12,720114,531Form 4
2025-01-22NTRAOption exercise1,2503,750Form 4
2025-01-22NTRAOption exercise1,250110,915Form 4
2025-01-21NTRAOption exercise1,1450Form 4
2025-01-21NTRAOption exercise1,145135,596Form 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.