Bunker Mathew B

Officer · MCHP

As of 2026-09-27, Bunker Mathew B has 152 Form 4 transactions on record across 1 company — 84 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.

Reconstructed holdings

Direct: $1.6MIndirect: $2.1M$3.6Mas of 2026-09-27
  • Direct $1.6M
  • Indirect $2.1M
MCHPindirect26,105 sh$2.1M
MCHPdirect20,243 sh$1.6M

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

MCHP · 152 trades
2026-09-01: Award / grant, 53 sh ($3K)2026-08-15: Option exercise, 1,365 sh ($110K)2026-08-15: Option exercise, 1,198 sh ($96K)2026-08-15: Option exercise, 870 sh ($70K)2026-08-15: Option exercise, 464 sh ($37K)2026-08-15: Withheld for tax, 381 sh ($31K)2026-08-15: Withheld for tax, 334 sh ($27K)2026-08-15: Withheld for tax, 243 sh ($20K)2026-08-15: Option exercise, 221 sh ($18K)2026-08-15: Withheld for tax, 130 sh ($10K)2026-08-15: Withheld for tax, 62 sh ($5K)2026-08-15: Option exercise, 870 sh ($0)2026-08-15: Option exercise, 1,365 sh ($0)2026-08-15: Option exercise, 1,198 sh ($0)2026-08-15: Option exercise, 464 sh ($0)2026-08-15: Option exercise, 221 sh ($0)2026-08-07: Award / grant, 280 sh ($0)2026-07-01: Award / grant, 1,692 sh ($0)2026-07-01: Award / grant, 1,691 sh ($0)2026-05-15: Option exercise, 1,236 sh ($116K)2026-05-15: Option exercise, 1,037 sh ($97K)2026-05-15: Option exercise, 870 sh ($82K)2026-05-15: Option exercise, 353 sh ($33K)2026-05-15: Withheld for tax, 345 sh ($32K)2026-05-15: Withheld for tax, 289 sh ($27K)2026-05-15: Withheld for tax, 243 sh ($23K)2026-05-15: Option exercise, 160 sh ($15K)2026-05-15: Withheld for tax, 99 sh ($9K)2026-05-15: Withheld for tax, 45 sh ($4K)2026-05-15: Option exercise, 870 sh ($0)2026-05-15: Option exercise, 353 sh ($0)2026-05-15: Option exercise, 1,037 sh ($0)2026-05-15: Option exercise, 160 sh ($0)2026-05-15: Option exercise, 1,236 sh ($0)2026-05-13: Sale, 10,571 sh ($1.0M)2026-05-08: Award / grant, 203 sh ($0)2026-04-01: Award / grant, 2,294 sh ($0)2026-04-01: Award / grant, 2,295 sh ($0)2026-04-01: Award / grant, 3,954 sh ($0)2026-04-01: Award / grant, 5,530 sh ($0)2026-04-01: Award / grant, 5,529 sh ($0)2026-03-02: Award / grant, 363 sh ($18K)2026-02-16: Option exercise, 416 sh ($33K)2026-02-16: Withheld for tax, 116 sh ($9K)2026-02-16: Option exercise, 81 sh ($6K)2026-02-16: Option exercise, 67 sh ($5K)2026-02-16: Withheld for tax, 23 sh ($2K)2026-02-16: Withheld for tax, 23 sh ($2K)2026-02-16: Option exercise, 416 sh ($0)2026-02-16: Option exercise, 67 sh ($0)2026-02-16: Option exercise, 81 sh ($0)2026-02-15: Option exercise, 1,096 sh ($87K)2026-02-15: Option exercise, 870 sh ($69K)2026-02-15: Option exercise, 729 sh ($58K)2026-02-15: Withheld for tax, 364 sh ($29K)2026-02-15: Withheld for tax, 243 sh ($19K)2026-02-15: Withheld for tax, 217 sh ($17K)2026-02-15: Option exercise, 870 sh ($0)2026-02-15: Option exercise, 729 sh ($0)2026-02-15: Option exercise, 1,096 sh ($0)2026-02-12: Sale, 10,000 sh ($784K)2026-02-06: Award / grant, 334 sh ($0)2026-01-02: Award / grant, 2,306 sh ($0)2026-01-02: Award / grant, 2,307 sh ($0)2026-01-02: Award / grant, 68 sh ($0)2025-11-17: Option exercise, 452 sh ($23K)2025-11-17: Option exercise, 238 sh ($12K)2025-11-17: Withheld for tax, 126 sh ($7K)2025-11-17: Withheld for tax, 67 sh ($3K)2025-11-17: Option exercise, 238 sh ($0)2025-11-17: Option exercise, 452 sh ($0)2025-11-15: Option exercise, 1,465 sh ($76K)2025-11-15: Option exercise, 870 sh ($45K)2025-11-15: Option exercise, 840 sh ($43K)2025-11-15: Withheld for tax, 409 sh ($21K)2025-11-15: Withheld for tax, 243 sh ($13K)2025-11-15: Withheld for tax, 234 sh ($12K)2025-11-15: Option exercise, 1,465 sh ($0)2025-11-15: Option exercise, 870 sh ($0)2025-11-15: Option exercise, 840 sh ($0)2025-11-06: Award / grant, 460 sh ($0)2025-10-01: Award / grant, 69 sh ($0)2025-10-01: Award / grant, 2,340 sh ($0)2025-10-01: Award / grant, 2,339 sh ($0)2025-09-02: Award / grant, 123 sh ($6K)2025-08-15: Option exercise, 871 sh ($57K)2025-08-15: Option exercise, 870 sh ($57K)2025-08-15: Option exercise, 868 sh ($57K)2025-08-15: Withheld for tax, 243 sh ($16K)2025-08-15: Withheld for tax, 243 sh ($16K)2025-08-15: Withheld for tax, 242 sh ($16K)2025-08-15: Option exercise, 870 sh ($0)2025-08-15: Option exercise, 871 sh ($0)2025-08-15: Option exercise, 868 sh ($0)2025-08-08: Award / grant, 464 sh ($0)2025-07-01: Award / grant, 2,093 sh ($0)2025-07-01: Award / grant, 2,092 sh ($0)2025-07-01: Award / grant, 62 sh ($0)2025-05-15: Option exercise, 870 sh ($53K)2025-05-15: Option exercise, 802 sh ($49K)2025-05-15: Option exercise, 689 sh ($42K)2025-05-15: Withheld for tax, 243 sh ($15K)2025-05-15: Withheld for tax, 224 sh ($14K)2025-05-15: Withheld for tax, 192 sh ($12K)2025-05-15: Option exercise, 802 sh ($0)2025-05-15: Option exercise, 870 sh ($0)2025-05-15: Option exercise, 689 sh ($0)2025-04-01: Award / grant, 3,093 sh ($0)2025-04-01: Award / grant, 92 sh ($0)2025-04-01: Award / grant, 91 sh ($0)2025-04-01: Award / grant, 353 sh ($0)2025-03-03: Award / grant, 234 sh ($12K)2025-02-17: Option exercise, 438 sh ($25K)2025-02-17: Option exercise, 416 sh ($24K)2025-02-17: Withheld for tax, 122 sh ($7K)2025-02-17: Withheld for tax, 113 sh ($7K)2025-02-17: Option exercise, 416 sh ($0)2025-02-17: Option exercise, 438 sh ($0)2025-02-15: Option exercise, 870 sh ($50K)2025-02-15: Option exercise, 826 sh ($48K)2025-02-15: Option exercise, 767 sh ($44K)2025-02-15: Withheld for tax, 288 sh ($17K)2025-02-15: Withheld for tax, 274 sh ($16K)2025-02-15: Withheld for tax, 255 sh ($15K)2025-02-15: Option exercise, 826 sh ($0)2025-02-15: Option exercise, 767 sh ($0)2025-02-15: Option exercise, 870 sh ($0)2025-01-02: Award / grant, 2,637 sh ($0)2025-01-02: Award / grant, 257 sh ($0)2025-01-02: Award / grant, 516 sh ($0)2025-01-02: Award / grant, 515 sh ($0)2024-11-15: Option exercise, 1,058 sh ($67K)2024-11-15: Option exercise, 1,025 sh ($64K)2024-11-15: Option exercise, 870 sh ($55K)2024-11-15: Option exercise, 700 sh ($44K)2024-11-15: Option exercise, 452 sh ($28K)2024-11-15: Withheld for tax, 295 sh ($19K)2024-11-15: Withheld for tax, 286 sh ($18K)2024-11-15: Withheld for tax, 243 sh ($15K)2024-11-15: Withheld for tax, 195 sh ($12K)2024-11-15: Withheld for tax, 126 sh ($8K)2024-11-15: Option exercise, 1,058 sh ($0)2024-11-15: Option exercise, 1,025 sh ($0)2024-11-15: Option exercise, 870 sh ($0)2024-11-15: Option exercise, 700 sh ($0)2024-11-15: Option exercise, 452 sh ($0)2024-10-01: Award / grant, 1,936 sh ($0)2024-10-01: Award / grant, 221 sh ($0)2024-10-01: Award / grant, 378 sh ($0)2024-10-01: Award / grant, 1,935 sh ($0)2024-10-01: Award / grant, 379 sh ($0)2024-09-03: Award / grant, 58 sh ($4K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-13MCHPSale10,571 @ $96.88$1.0M−42.0% of holding14,587Form 4
2026-02-12MCHPSale10,000 @ $78.37$784K−30.7% of holding22,522Form 4
150 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-01MCHPAward / grant5320,243Form 4
2026-08-15MCHPOption exercise1,36519,451Form 4
2026-08-15MCHPOption exercise1,19818,420Form 4
2026-08-15MCHPOption exercise87020,433Form 4
2026-08-15MCHPOption exercise46419,693Form 4
2026-08-15MCHPWithheld for tax38119,070Form 4
2026-08-15MCHPWithheld for tax33418,086Form 4
2026-08-15MCHPWithheld for tax24320,190Form 4
2026-08-15MCHPOption exercise22119,291Form 4
2026-08-15MCHPWithheld for tax13019,563Form 4
2026-08-15MCHPWithheld for tax6219,229Form 4
2026-08-15MCHPOption exercise8700Form 4
2026-08-15MCHPOption exercise1,3650Form 4
2026-08-15MCHPOption exercise1,1980Form 4
2026-08-15MCHPOption exercise4640Form 4
2026-08-15MCHPOption exercise2210Form 4
2026-08-07MCHPAward / grant280280Form 4
2026-07-01MCHPAward / grant1,6921,692Form 4
2026-07-01MCHPAward / grant1,6911,691Form 4
2026-05-15MCHPOption exercise1,23617,198Form 4
2026-05-15MCHPOption exercise1,03716,251Form 4
2026-05-15MCHPOption exercise87015,457Form 4
2026-05-15MCHPOption exercise35317,321Form 4
2026-05-15MCHPWithheld for tax34516,853Form 4
2026-05-15MCHPWithheld for tax28915,962Form 4
2026-05-15MCHPWithheld for tax24315,214Form 4
2026-05-15MCHPOption exercise16017,013Form 4
2026-05-15MCHPWithheld for tax9917,222Form 4
2026-05-15MCHPWithheld for tax4516,968Form 4
2026-05-15MCHPOption exercise870870Form 4
2026-05-15MCHPOption exercise3530Form 4
2026-05-15MCHPOption exercise1,0370Form 4
2026-05-15MCHPOption exercise1600Form 4
2026-05-15MCHPOption exercise1,2360Form 4
2026-05-08MCHPAward / grant203203Form 4
2026-04-01MCHPAward / grant2,2942,294Form 4
2026-04-01MCHPAward / grant2,2952,295Form 4
2026-04-01MCHPAward / grant3,9543,954Form 4
2026-04-01MCHPAward / grant5,5305,530Form 4
2026-04-01MCHPAward / grant5,5295,529Form 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.