Mercier Johanna

Director · Officer · GILD, NBIX

As of 2026-09-27, Mercier Johanna has 139 Form 4 transactions on record across 2 companies — 66 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 September in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $18.0MIndirect: $0$18.0Mas of 2026-09-27
  • Direct $18.0M
  • Indirect $0
GILDdirect116,684 sh$17.6M
NBIXdirect2,567 sh$355K

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

GILD · 129 trades
2026-09-15: Sale, 1,600 sh ($230K)2026-09-15: Sale, 800 sh ($116K)2026-09-15: Sale, 600 sh ($87K)2026-09-10: Withheld for tax, 1,347 sh ($195K)2026-09-10: Option exercise, 2,797 sh2026-09-10: Option exercise, 2,797 sh2026-09-10: Option exercise, 2,797 sh2026-09-10: Option exercise, 2,797 sh2026-09-10: Option exercise, 2,797 sh2026-09-10: Option exercise, 2,797 sh2026-09-10: Option exercise, 2,797 sh2026-09-10: Option exercise, 2,797 sh2026-08-17: Sale, 16,530 sh ($2.3M)2026-08-17: Sale, 11,470 sh ($1.6M)2026-08-17: Option exercise, 23,110 sh ($1.5M)2026-08-17: Option exercise, 1,890 sh ($137K)2026-08-17: Option exercise, 1,890 sh ($0)2026-08-17: Option exercise, 23,110 sh ($0)2026-07-15: Sale, 3,000 sh ($390K)2026-06-15: Sale, 1,480 sh ($183K)2026-06-15: Sale, 1,070 sh ($133K)2026-06-15: Sale, 450 sh ($56K)2026-06-10: Withheld for tax, 1,341 sh ($163K)2026-06-10: Option exercise, 2,796 sh2026-06-10: Option exercise, 2,796 sh2026-06-10: Option exercise, 2,796 sh2026-06-10: Option exercise, 2,796 sh2026-05-15: Option exercise, 25,000 sh ($1.7M)2026-05-15: Sale, 11,177 sh ($1.5M)2026-05-15: Sale, 8,374 sh ($1.1M)2026-05-15: Sale, 7,749 sh ($1.0M)2026-05-15: Sale, 700 sh ($93K)2026-05-15: Option exercise, 25,000 sh ($0)2026-04-15: Sale, 3,000 sh ($423K)2026-03-16: Sale, 3,000 sh ($433K)2026-03-10: Withheld for tax, 3,216 sh ($478K)2026-03-10: Award / grant, 35,880 sh ($0)2026-03-10: Award / grant, 9,590 sh2026-03-10: Option exercise, 6,617 sh2026-03-10: Option exercise, 6,617 sh2026-03-10: Option exercise, 6,617 sh2026-03-10: Award / grant, 9,590 sh2026-03-10: Option exercise, 6,617 sh2026-02-27: Award / grant, 11,090 sh ($0)2026-02-17: Sale, 18,405 sh ($2.8M)2026-02-17: Option exercise, 25,000 sh ($1.7M)2026-02-17: Sale, 9,395 sh ($1.5M)2026-02-17: Sale, 200 sh ($31K)2026-02-17: Option exercise, 25,000 sh ($0)2026-02-03: Withheld for tax, 24,800 sh ($3.6M)2026-02-03: Award / grant, 44,867 sh ($0)2026-01-15: Sale, 3,000 sh ($373K)2025-12-15: Sale, 3,000 sh ($366K)2025-12-10: Withheld for tax, 1,814 sh ($220K)2025-12-10: Option exercise, 3,842 sh2025-12-10: Option exercise, 3,842 sh2025-12-10: Option exercise, 3,842 sh2025-12-10: Option exercise, 3,842 sh2025-11-17: Sale, 25,524 sh ($3.2M)2025-11-17: Option exercise, 25,000 sh ($1.7M)2025-11-17: Sale, 2,476 sh ($313K)2025-11-17: Option exercise, 25,000 sh ($0)2025-10-15: Sale, 3,000 sh ($354K)2025-09-15: Sale, 3,000 sh ($341K)2025-09-10: Withheld for tax, 1,819 sh ($210K)2025-09-10: Option exercise, 3,844 sh2025-09-10: Option exercise, 3,844 sh2025-09-10: Option exercise, 3,844 sh2025-09-10: Option exercise, 3,844 sh2025-08-15: Sale, 11,800 sh ($1.4M)2025-08-15: Sale, 11,800 sh ($1.4M)2025-08-15: Option exercise, 11,800 sh ($786K)2025-08-15: Sale, 2,800 sh ($332K)2025-08-15: Sale, 700 sh ($83K)2025-08-15: Option exercise, 700 sh ($47K)2025-08-15: Sale, 200 sh ($24K)2025-08-15: Option exercise, 11,800 sh ($0)2025-08-15: Option exercise, 700 sh ($0)2025-08-15: Option exercise, 11,800 sh ($0)2025-08-15: Option exercise, 700 sh ($0)2025-07-15: Sale, 3,000 sh ($333K)2025-06-16: Sale, 3,000 sh ($331K)2025-06-10: Withheld for tax, 1,827 sh ($201K)2025-06-10: Option exercise, 3,843 sh2025-06-10: Option exercise, 3,843 sh2025-06-10: Option exercise, 3,843 sh2025-06-10: Option exercise, 3,843 sh2025-05-22: Sale, 12,500 sh ($1.3M)2025-05-22: Sale, 12,500 sh ($1.3M)2025-05-22: Option exercise, 12,500 sh ($833K)2025-05-22: Sale, 3,000 sh ($323K)2025-05-22: Option exercise, 12,500 sh ($0)2025-05-22: Option exercise, 12,500 sh ($0)2025-03-10: Withheld for tax, 3,907 sh ($458K)2025-03-10: Award / grant, 49,020 sh ($0)2025-03-10: Option exercise, 8,080 sh2025-03-10: Award / grant, 11,090 sh2025-03-10: Option exercise, 8,080 sh2025-03-10: Option exercise, 8,080 sh2025-03-10: Award / grant, 11,090 sh2025-03-10: Option exercise, 8,080 sh2025-02-04: Withheld for tax, 45,666 sh ($4.5M)2025-02-04: Award / grant, 19,793 sh ($0)2025-02-04: Award / grant, 70,712 sh ($0)2024-12-10: Withheld for tax, 1,739 sh ($161K)2024-12-10: Option exercise, 3,752 sh2024-12-10: Option exercise, 3,752 sh2024-12-10: Option exercise, 3,752 sh2024-12-10: Option exercise, 3,752 sh2024-11-06: Sale, 5,000 sh ($456K)2024-09-12: Sale, 15,925 sh ($1.3M)2024-09-12: Sale, 13,432 sh ($1.1M)2024-09-10: Withheld for tax, 1,734 sh ($141K)2024-09-10: Option exercise, 3,752 sh2024-09-10: Option exercise, 3,752 sh2024-09-10: Option exercise, 3,752 sh2024-09-10: Option exercise, 3,752 sh2024-08-28: Sale, 9,513 sh ($742K)2024-08-13: Sale, 5,490 sh ($406K)2024-06-10: Withheld for tax, 1,714 sh ($112K)2024-06-10: Option exercise, 3,751 sh2024-06-10: Option exercise, 3,751 sh2024-03-10: Withheld for tax, 4,559 sh ($342K)2024-03-10: Award / grant, 87,970 sh ($0)2024-03-10: Option exercise, 6,819 sh2024-03-10: Award / grant, 17,305 sh2024-03-10: Option exercise, 3,025 sh2024-03-10: Option exercise, 6,819 sh2024-03-10: Option exercise, 3,025 sh
NBIX · 10 trades
2026-05-27: Award / grant, 2,567 sh ($0)2026-05-21: Option exercise, 3,318 sh ($0)2026-05-21: Option exercise, 3,318 sh ($0)2025-05-22: Option exercise, 1,435 sh ($0)2025-05-22: Option exercise, 1,435 sh ($0)2025-05-21: Award / grant, 3,318 sh ($0)2024-05-22: Award / grant, 2,982 sh ($0)2024-05-22: Award / grant, 1,435 sh ($0)2024-05-17: Option exercise, 2,100 sh ($0)2024-05-17: Option exercise, 2,100 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-15GILDSale1,600 @ $143.69$230K−1.3% of holding118,084Form 4
2026-09-15GILDSale800 @ $144.46$116K−0.7% of holding117,284Form 4
2026-09-15GILDSale600 @ $145.29$87K−0.5% of holding116,684Form 4
2026-08-17GILDSale16,530 @ $137.37$2.3M−11.3% of holding129,704Form 4
2026-08-17GILDSale11,470 @ $138.04$1.6M−8.8% of holding118,234Form 4
2026-07-15GILDSale3,000 @ $129.92$390K−2.4% of holding121,234Form 4
2026-06-15GILDSale1,480 @ $123.42$183K−1.2% of holding125,754Form 4
2026-06-15GILDSale1,070 @ $124.00$133K−0.9% of holding124,684Form 4
2026-06-15GILDSale450 @ $125.40$56K−0.4% of holding124,234Form 4
2026-05-15GILDSale11,177 @ $131.19$1.5M−7.7% of holding134,853Form 4
2026-05-15GILDSale8,374 @ $132.23$1.1M−6.2% of holding126,479Form 4
2026-05-15GILDSale7,749 @ $130.29$1.0M−5.0% of holding146,030Form 4
2026-05-15GILDSale700 @ $132.75$93K−0.6% of holding125,779Form 4
2026-04-15GILDSale3,000 @ $140.96$423K−2.3% of holding128,779Form 4
2026-03-16GILDSale3,000 @ $144.23$433K−2.2% of holding131,779Form 4
2026-02-17GILDSale18,405 @ $154.18$2.8M−12.4% of holding129,883Form 4
2026-02-17GILDSale9,395 @ $154.91$1.5M−7.2% of holding120,488Form 4
2026-02-17GILDSale200 @ $155.62$31K−0.2% of holding120,288Form 4
2026-01-15GILDSale3,000 @ $124.31$373K−2.8% of holding103,221Form 4
2025-12-15GILDSale3,000 @ $122.00$366K−2.7% of holding106,221Form 4
2025-11-17GILDSale25,524 @ $125.83$3.2M−18.9% of holding109,669Form 4
2025-11-17GILDSale2,476 @ $126.26$313K−2.3% of holding107,193Form 4
2025-10-15GILDSale3,000 @ $118.08$354K−2.7% of holding110,193Form 4
2025-09-15GILDSale3,000 @ $113.57$341K−2.6% of holding113,193Form 4
2025-08-15GILDSale11,800 @ $118.51$1.4M−9.1% of holding117,168Form 4
2025-08-15GILDSale11,800 @ $118.50$1.4M−9.1% of holding117,168Form 4
2025-08-15GILDSale2,800 @ $118.51$332K−2.4% of holding114,368Form 4
2025-08-15GILDSale700 @ $118.97$83K−0.6% of holding117,168Form 4
2025-08-15GILDSale200 @ $118.97$24K−0.2% of holding114,168Form 4
2025-07-15GILDSale3,000 @ $111.03$333K−2.5% of holding117,168Form 4
2025-06-16GILDSale3,000 @ $110.17$331K−2.4% of holding120,168Form 4
2025-05-22GILDSale12,500 @ $107.52$1.3M−9.1% of holding124,152Form 4
2025-05-22GILDSale12,500 @ $107.52$1.3M−9.1% of holding124,152Form 4
2025-05-22GILDSale3,000 @ $107.52$323K−2.4% of holding121,152Form 4
2024-11-06GILDSale5,000 @ $91.28$456K−6.4% of holding73,127Form 4
2024-09-12GILDSale15,925 @ $84.23$1.3M−14.8% of holding91,559Form 4
2024-09-12GILDSale13,432 @ $83.25$1.1M−14.7% of holding78,127Form 4
2024-08-28GILDSale9,513 @ $78.03$742K−8.3% of holding105,466Form 4
2024-08-13GILDSale5,490 @ $73.98$406K−4.6% of holding114,979Form 4
100 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-10GILDWithheld for tax1,347119,684Form 4
2026-09-10GILDOption exercise2,797121,031Form 4
2026-09-10GILDOption exercise2,797121,031Form 4
2026-09-10GILDOption exercise2,79725,054Form 4
2026-09-10GILDOption exercise2,797121,031Form 4
2026-09-10GILDOption exercise2,79725,054Form 4
2026-09-10GILDOption exercise2,797121,031Form 4
2026-09-10GILDOption exercise2,79725,054Form 4
2026-09-10GILDOption exercise2,79725,054Form 4
2026-08-17GILDOption exercise23,110144,344Form 4
2026-08-17GILDOption exercise1,890146,234Form 4
2026-08-17GILDOption exercise1,89069,960Form 4
2026-08-17GILDOption exercise23,1100Form 4
2026-06-10GILDWithheld for tax1,341127,234Form 4
2026-06-10GILDOption exercise2,796128,575Form 4
2026-06-10GILDOption exercise2,79627,851Form 4
2026-06-10GILDOption exercise2,796128,575Form 4
2026-06-10GILDOption exercise2,79627,851Form 4
2026-05-27NBIXAward / grant2,5672,567Form 4
2026-05-21NBIXOption exercise3,3186,853Form 4
2026-05-21NBIXOption exercise3,3180Form 4
2026-05-15GILDOption exercise25,000153,779Form 4
2026-05-15GILDOption exercise25,00023,110Form 4
2026-03-10GILDWithheld for tax3,216134,779Form 4
2026-03-10GILDAward / grant35,88035,880Form 4
2026-03-10GILDAward / grant9,59030,647Form 4
2026-03-10GILDOption exercise6,617137,995Form 4
2026-03-10GILDOption exercise6,61721,057Form 4
2026-03-10GILDOption exercise6,617137,995Form 4
2026-03-10GILDAward / grant9,59030,647Form 4
2026-03-10GILDOption exercise6,61721,057Form 4
2026-02-27GILDAward / grant11,090131,378Form 4
2026-02-17GILDOption exercise25,000148,288Form 4
2026-02-17GILDOption exercise25,00048,110Form 4
2026-02-03GILDWithheld for tax24,800123,288Form 4
2026-02-03GILDAward / grant44,867148,088Form 4
2025-12-10GILDWithheld for tax1,814109,221Form 4
2025-12-10GILDOption exercise3,842111,035Form 4
2025-12-10GILDOption exercise3,84227,674Form 4
2025-12-10GILDOption exercise3,84227,674Form 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.