Mahoney Michael F

Director · Officer · BSX, CVS

As of 2026-09-16, Mahoney Michael F has 69 Form 4 transactions on record across 2 companies — 30 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: $70.4MIndirect: $971K$71.4Mas of 2026-09-16
  • Direct $70.4M
  • Indirect $971K
BSXdirect1,590,024 sh$69.8M
BSXindirect22,119 sh$971K
CVSdirect6,429 sh$590K

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

BSX · 64 trades
2026-08-03: Purchase, 186,240 sh ($9.0M)2026-08-03: Discretionary, 22,119 sh ($1.1M)2026-05-28: Gift, 386,755 sh ($0)2026-02-16: Withheld for tax, 7,865 sh ($588K)2026-02-16: Option exercise, 16,265 sh ($0)2026-02-16: Option exercise, 16,265 sh ($0)2026-02-14: Withheld for tax, 7,990 sh ($597K)2026-02-14: Option exercise, 16,524 sh ($0)2026-02-14: Option exercise, 16,524 sh ($0)2026-02-13: Withheld for tax, 132,099 sh ($9.9M)2026-02-13: Award / grant, 132,190 sh ($0)2026-02-13: Option exercise, 8,832 sh ($0)2026-02-13: Award / grant, 132,190 sh ($0)2026-02-13: Option exercise, 8,832 sh ($0)2026-02-12: Withheld for tax, 6,626 sh ($491K)2026-02-12: Award / grant, 131,329 sh ($0)2026-02-12: Award / grant, 55,652 sh ($0)2026-02-12: Option exercise, 13,704 sh ($0)2026-02-12: Option exercise, 13,704 sh ($0)2026-02-02: Sale, 159,701 sh ($14.9M)2026-02-02: Option exercise, 46,347 sh ($1.3M)2026-02-02: Option exercise, 49,407 sh ($1.2M)2026-02-02: Sale, 1,200 sh ($113K)2026-02-02: Option exercise, 46,347 sh ($0)2026-02-02: Option exercise, 49,407 sh ($0)2025-10-30: Gift, 149,992 sh ($0)2025-10-29: Gift, 73,996 sh ($0)2025-10-29: Gift, 88,197 sh ($0)2025-06-02: Sale, 89,921 sh ($9.3M)2025-06-02: Sale, 74,522 sh ($7.8M)2025-06-02: Option exercise, 49,407 sh ($1.2M)2025-06-02: Option exercise, 56,212 sh ($970K)2025-06-02: Option exercise, 49,407 sh ($0)2025-06-02: Option exercise, 56,212 sh ($0)2025-05-01: Sale, 91,282 sh ($9.3M)2025-05-01: Sale, 73,161 sh ($7.5M)2025-05-01: Option exercise, 49,407 sh ($1.2M)2025-05-01: Option exercise, 56,212 sh ($970K)2025-05-01: Option exercise, 49,407 sh ($0)2025-05-01: Option exercise, 56,212 sh ($0)2025-04-01: Sale, 164,442 sh ($16.4M)2025-04-01: Option exercise, 49,407 sh ($1.2M)2025-04-01: Option exercise, 56,211 sh ($970K)2025-04-01: Option exercise, 49,407 sh ($0)2025-04-01: Option exercise, 56,211 sh ($0)2025-02-17: Withheld for tax, 8,865 sh ($941K)2025-02-17: Option exercise, 18,334 sh ($0)2025-02-17: Option exercise, 18,334 sh ($0)2025-02-16: Withheld for tax, 7,865 sh ($835K)2025-02-16: Option exercise, 16,265 sh ($0)2025-02-16: Option exercise, 16,265 sh ($0)2025-02-14: Withheld for tax, 7,990 sh ($848K)2025-02-14: Option exercise, 16,524 sh ($0)2025-02-14: Option exercise, 16,524 sh ($0)2025-02-13: Award / grant, 90,915 sh ($0)2025-02-13: Award / grant, 35,330 sh ($0)2025-02-12: Withheld for tax, 6,626 sh ($701K)2025-02-12: Option exercise, 13,704 sh ($0)2025-02-12: Option exercise, 13,704 sh ($0)2025-02-11: Withheld for tax, 62,915 sh ($6.7M)2025-02-11: Award / grant, 130,118 sh ($0)2025-01-01: Withheld for tax, 25,656 sh ($2.3M)2025-01-01: Option exercise, 57,121 sh ($0)2025-01-01: Option exercise, 57,121 sh ($0)
CVS · 5 trades
2026-05-14: Award / grant, 1,737 sh ($169K)2025-11-20: Award / grant, 2,022 sh ($154K)2025-05-15: Award / grant, 2,543 sh ($154K)2025-05-15: Award / grant, 144 sh ($9K)2025-02-18: Purchase, 30,000 sh ($2.0M)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-03BSXPurchase186,240 @ $48.33$9.0M+13.3% of holding1,590,024Form 4
2026-02-02BSXSale159,701 @ $93.49$14.9M−10.2% of holding1,411,735Form 4
2026-02-02BSXSale1,200 @ $94.06$113K−0.1% of holding1,571,436Form 4
2025-06-02BSXSale89,921 @ $103.39$9.3M−5.7% of holding1,476,882Form 4
2025-06-02BSXSale74,522 @ $104.05$7.8M−4.5% of holding1,566,803Form 4
2025-05-01BSXSale91,282 @ $102.13$9.3M−5.6% of holding1,535,706Form 4
2025-05-01BSXSale73,161 @ $102.92$7.5M−4.3% of holding1,626,988Form 4
2025-04-01BSXSale164,442 @ $100.01$16.4M−9.3% of holding1,594,530Form 4
2025-02-18CVSPurchase30,000 @ $66.70$2.0M+320.6% of holding39,356Form 4
60 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-03BSXDiscretionary22,11922,119Form 4
2026-05-28BSXGift386,7550Form 4
2026-05-14CVSAward / grant1,7376,429Form 4
2026-02-16BSXWithheld for tax7,8651,576,860Form 4
2026-02-16BSXOption exercise16,2650Form 4
2026-02-16BSXOption exercise16,2651,584,725Form 4
2026-02-14BSXWithheld for tax7,9901,568,460Form 4
2026-02-14BSXOption exercise16,52416,524Form 4
2026-02-14BSXOption exercise16,5241,576,450Form 4
2026-02-13BSXWithheld for tax132,0991,559,926Form 4
2026-02-13BSXAward / grant132,1901,683,193Form 4
2026-02-13BSXOption exercise8,8321,692,025Form 4
2026-02-13BSXAward / grant132,1901,551,003Form 4
2026-02-13BSXOption exercise8,83226,498Form 4
2026-02-12BSXWithheld for tax6,6261,418,813Form 4
2026-02-12BSXAward / grant131,329131,329Form 4
2026-02-12BSXAward / grant55,65255,652Form 4
2026-02-12BSXOption exercise13,70427,408Form 4
2026-02-12BSXOption exercise13,7041,425,439Form 4
2026-02-02BSXOption exercise46,3471,572,636Form 4
2026-02-02BSXOption exercise49,4071,526,289Form 4
2026-02-02BSXOption exercise46,347231,739Form 4
2026-02-02BSXOption exercise49,40798,814Form 4
2025-11-20CVSAward / grant2,0224,613Form 4
2025-10-30BSXGift149,992213,679Form 4
2025-10-29BSXGift73,996363,671Form 4
2025-10-29BSXGift88,197289,675Form 4
2025-06-02BSXOption exercise49,4071,641,325Form 4
2025-06-02BSXOption exercise56,2121,591,918Form 4
2025-06-02BSXOption exercise49,407148,221Form 4
2025-06-02BSXOption exercise56,2120Form 4
2025-05-15CVSAward / grant2,5432,543Form 4
2025-05-15CVSAward / grant1446,345Form 4
2025-05-01BSXOption exercise49,4071,700,149Form 4
2025-05-01BSXOption exercise56,2121,650,742Form 4
2025-05-01BSXOption exercise49,407197,628Form 4
2025-05-01BSXOption exercise56,21256,212Form 4
2025-04-01BSXOption exercise49,4071,758,972Form 4
2025-04-01BSXOption exercise56,2111,709,565Form 4
2025-04-01BSXOption exercise49,407247,035Form 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.