Jacobson Mark L.

Officer · AXSM

As of 2026-09-27, Jacobson Mark L. has 43 Form 4 transactions on record across 1 company — 14 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 May in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $20.5MIndirect: $0$20.5Mas of 2026-09-27
  • Direct $20.5M
  • Indirect $0
AXSMdirect104,954 sh$20.5M

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

AXSM · 43 trades
2026-09-03: Sale, 10,000 sh ($2.1M)2026-09-03: Option exercise, 10,000 sh ($130K)2026-09-03: Option exercise, 10,000 sh ($0)2026-05-05: Sale, 233 sh ($53K)2026-05-05: Option exercise, 233 sh ($3K)2026-05-05: Option exercise, 233 sh ($0)2026-05-04: Sale, 4,517 sh ($1.0M)2026-05-04: Option exercise, 4,517 sh ($58K)2026-05-04: Option exercise, 4,517 sh ($0)2026-04-21: Award / grant, 8,669 sh ($0)2026-02-26: Sale, 35,378 sh ($5.7M)2026-02-26: Option exercise, 35,378 sh ($101K)2026-02-26: Award / grant, 19,663 sh ($0)2026-02-26: Option exercise, 35,378 sh ($0)2025-09-22: Sale, 10,000 sh ($1.2M)2025-09-22: Option exercise, 10,000 sh ($29K)2025-09-22: Option exercise, 10,000 sh ($0)2025-09-16: Sale, 40,000 sh ($4.6M)2025-09-16: Sale, 5,783 sh ($672K)2025-09-16: Option exercise, 25,000 sh ($124K)2025-09-16: Option exercise, 15,000 sh ($73K)2025-09-16: Option exercise, 25,000 sh ($0)2025-09-16: Option exercise, 15,000 sh ($0)2025-06-09: Sale, 25,000 sh ($2.8M)2025-06-09: Option exercise, 25,000 sh ($201K)2025-06-09: Option exercise, 25,000 sh ($0)2025-05-28: Sale, 20,000 sh ($2.1M)2025-05-28: Option exercise, 20,000 sh ($129K)2025-05-28: Option exercise, 20,000 sh ($0)2025-05-27: Sale, 20,673 sh ($2.2M)2025-05-27: Option exercise, 20,673 sh ($134K)2025-05-27: Option exercise, 20,673 sh ($0)2025-02-24: Award / grant, 10,769 sh ($0)2025-02-21: Award / grant, 10,769 sh ($0)2025-02-21: Award / grant, 10,875 sh ($0)2024-08-09: Sale, 47,739 sh ($4.0M)2024-08-09: Option exercise, 47,739 sh ($193K)2024-08-09: Option exercise, 47,739 sh ($0)2024-05-29: Sale, 7,910 sh ($588K)2024-05-29: Option exercise, 13,693 sh ($18K)2024-05-29: Option exercise, 13,693 sh ($0)2024-02-27: Award / grant, 32,825 sh ($0)2024-02-27: Award / grant, 18,027 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-03AXSMSale10,000 @ $208.65$2.1M−100.0% of holding0Form 4
2026-05-05AXSMSale233 @ $228.18$53K−100.0% of holding0Form 4
2026-05-04AXSMSale4,517 @ $227.94$1.0M−100.0% of holding0Form 4
2026-02-26AXSMSale35,378 @ $161.88$5.7M−100.0% of holding0Form 4
2025-09-22AXSMSale10,000 @ $115.96$1.2M−100.0% of holding0Form 4
2025-09-16AXSMSale40,000 @ $114.23$4.6M−100.0% of holding0Form 4
2025-09-16AXSMSale5,783 @ $116.19$672K−100.0% of holding0Form 4
2025-06-09AXSMSale25,000 @ $110.44$2.8M−81.2% of holding5,783Form 4
2025-05-28AXSMSale20,000 @ $103.45$2.1M−77.6% of holding5,783Form 4
2025-05-27AXSMSale20,673 @ $104.66$2.2M−78.1% of holding5,783Form 4
2024-08-09AXSMSale47,739 @ $84.26$4.0M−89.2% of holding5,783Form 4
2024-05-29AXSMSale7,910 @ $74.31$588K−57.8% of holding5,783Form 4
31 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-03AXSMOption exercise10,00010,000Form 4
2026-09-03AXSMOption exercise10,000104,954Form 4
2026-05-05AXSMOption exercise233233Form 4
2026-05-05AXSMOption exercise233114,954Form 4
2026-05-04AXSMOption exercise4,5174,517Form 4
2026-05-04AXSMOption exercise4,517115,187Form 4
2026-04-21AXSMAward / grant8,6698,669Form 4
2026-02-26AXSMOption exercise35,37835,378Form 4
2026-02-26AXSMAward / grant19,66319,663Form 4
2026-02-26AXSMOption exercise35,3780Form 4
2025-09-22AXSMOption exercise10,00010,000Form 4
2025-09-22AXSMOption exercise10,00035,378Form 4
2025-09-16AXSMOption exercise25,00025,000Form 4
2025-09-16AXSMOption exercise15,00040,000Form 4
2025-09-16AXSMOption exercise25,0000Form 4
2025-09-16AXSMOption exercise15,0000Form 4
2025-06-09AXSMOption exercise25,00030,783Form 4
2025-06-09AXSMOption exercise25,0000Form 4
2025-05-28AXSMOption exercise20,00025,783Form 4
2025-05-28AXSMOption exercise20,0000Form 4
2025-05-27AXSMOption exercise20,67326,456Form 4
2025-05-27AXSMOption exercise20,6730Form 4
2025-02-24AXSMAward / grant10,76910,769Form 4
2025-02-21AXSMAward / grant10,76910,769Form 4
2025-02-21AXSMAward / grant10,87510,875Form 4
2024-08-09AXSMOption exercise47,73953,522Form 4
2024-08-09AXSMOption exercise47,7390Form 4
2024-05-29AXSMOption exercise13,69313,693Form 4
2024-05-29AXSMOption exercise13,6930Form 4
2024-02-27AXSMAward / grant32,82532,825Form 4
2024-02-27AXSMAward / grant18,02718,027Form 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.