Zachary Jennifer

Director · Officer · MRK, RGNX

As of 2026-09-16, Zachary Jennifer has 27 Form 4 transactions on record across 2 companies — 22 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: $372KIndirect: $0$372Kas of 2026-09-16
  • Direct $372K
  • Indirect $0
RGNXdirect46,600 sh$372K

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

MRK · 23 trades
2026-08-12: Sale, 80,315 sh ($10.7M)2026-08-12: Option exercise, 41,494 sh ($4.9M)2026-08-12: Option exercise, 13,433 sh ($1.1M)2026-08-12: Option exercise, 13,433 sh ($0)2026-08-12: Option exercise, 41,494 sh ($0)2026-05-05: Award / grant, 35,312 sh ($0)2026-05-05: Award / grant, 12,064 sh ($0)2026-04-29: Option exercise, 2,951 sh ($325K)2026-04-29: Withheld for tax, 1,454 sh ($160K)2026-04-29: Option exercise, 2,951 sh ($0)2026-02-09: Sale, 56,792 sh ($6.8M)2026-02-09: Option exercise, 56,792 sh ($6.8M)2026-02-09: Sale, 38,835 sh ($4.6M)2026-02-09: Option exercise, 38,835 sh ($4.6M)2026-02-09: Sale, 25,946 sh ($3.1M)2026-02-09: Option exercise, 25,946 sh ($3.1M)2026-02-09: Option exercise, 56,792 sh ($0)2026-02-09: Option exercise, 25,946 sh ($0)2026-02-09: Option exercise, 38,835 sh ($0)2026-01-26: Award / grant, 11,583 sh ($1.2M)2025-04-29: Award / grant, 40,301 sh ($0)2025-04-29: Award / grant, 8,854 sh ($0)2025-01-27: Award / grant, 25,423 sh ($2.5M)
RGNX · 4 trades
2026-05-29: Award / grant, 46,600 sh ($0)2026-05-29: Award / grant, 9,807 sh ($0)2025-05-30: Award / grant, 39,815 sh ($0)2025-05-30: Award / grant, 7,768 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-12MRKSale80,315 @ $133.46$10.7M−63.8% of holding45,509Form 4
2026-02-09MRKSale56,792 @ $119.15$6.8M−45.2% of holding68,916Form 4
2026-02-09MRKSale38,835 @ $119.15$4.6M−36.0% of holding68,916Form 4
2026-02-09MRKSale25,946 @ $119.15$3.1M−27.4% of holding68,916Form 4
23 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-12MRKOption exercise41,494112,391Form 4
2026-08-12MRKOption exercise13,433125,824Form 4
2026-08-12MRKOption exercise13,4330Form 4
2026-08-12MRKOption exercise41,4940Form 4
2026-05-29RGNXAward / grant46,60046,600Form 4
2026-05-29RGNXAward / grant9,80731,871Form 4
2026-05-05MRKAward / grant35,31235,312Form 4
2026-05-05MRKAward / grant12,06412,064Form 4
2026-04-29MRKOption exercise2,95172,351Form 4
2026-04-29MRKWithheld for tax1,45470,897Form 4
2026-04-29MRKOption exercise2,9515,903Form 4
2026-02-09MRKOption exercise56,792125,708Form 4
2026-02-09MRKOption exercise38,835107,751Form 4
2026-02-09MRKOption exercise25,94694,862Form 4
2026-02-09MRKOption exercise56,7920Form 4
2026-02-09MRKOption exercise25,9460Form 4
2026-02-09MRKOption exercise38,8350Form 4
2026-01-26MRKAward / grant11,58368,916Form 4
2025-05-30RGNXAward / grant39,81539,815Form 4
2025-05-30RGNXAward / grant7,76822,064Form 4
2025-04-29MRKAward / grant40,30140,301Form 4
2025-04-29MRKAward / grant8,8548,854Form 4
2025-01-27MRKAward / grant25,42355,286Form 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.