Latest filingSep 03, 2026Most recent Form 4
AXSM
Axsome Therapeutics, Inc.
Insider activity for last month from 08/04 to 09/04. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$208M1 sells
Net open-market-$208M1 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period3transactions
- M · Option exercise · dominant2 · 67%
- S · Open-market sells1 · 33%
Activity by reported role
A joint filing can contribute to multiple roles3transactions
- COO · dominant3 · 100%
Distinct insiders active
Reporting-owner CIKs by month · peak Sep 2026 (1)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeJacobson Mark L.Common Stock · Direct
0Sep 03, 2026
Jacobson Mark L.Stock Option (Right to Buy) · Direct
104,954Sep 03, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 04 → Sep 04
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Top insiders
By absolute net value across the selected period- JL-$2.0M
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
No filing-only signal badges matched this period.
AXSM transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| AXSM | Jacobson Mark L. | COO | exercise10b5-1 | 10.0k | $0 | M | — | 0.0% | 09/03 | 09/03 |
| AXSM | Jacobson Mark L. | COO | sale10b5-1 | 10.0k | -$208M | S | — | 0.0% | 09/03 | 09/03 |
| AXSM | Jacobson Mark L. | COO | exercise10b5-1 | 10.0k | $12.9M | M | — | 0.0% | 09/03 | 09/03 |
Axsome Therapeutics, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Axsome Therapeutics, Inc.?
Jacobson Mark L..
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Jacobson Mark L. reported a sale on Sep 03, 2026 valued at $208M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $2,086,500.00. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.