Jacobson Mark L.
Chief Operating Officer
Jacobson Mark L. has filed 5 SEC Form 4 filings (14 transaction rows) across 1 company, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: Sep 3, 2026.
On the most recent filing, Jacobson Mark L. is listed as Chief Operating Officer at Axsome Therapeutics, Inc. Inside the rolling window, Jacobson Mark L. reported no open-market purchases and 4 open-market sales totaling $8.9M in AXSM. The largest disclosed transaction in the window is a sale of 35,378 AXSM shares on Feb 26, 2026, worth $5.7M.
Companies traded
Other insiders at AXSM
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$8.9M
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
Frequently asked questions
How many SEC Form 4 filings has Jacobson Mark L. made?
Jacobson Mark L. has filed 5 SEC Form 4 filings (14 transaction rows) across 1 company since 2025.
Which companies does Jacobson Mark L. trade?
Jacobson Mark L. has filed SEC Form 4 disclosures for 1 company, including AXSM.
When was Jacobson Mark L.'s most recent SEC Form 4 filing?
Jacobson Mark L.'s most recent SEC Form 4 filing on Tracefour is dated Sep 3, 2026.
What is Jacobson Mark L.'s job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Jacobson Mark L. is listed as Chief Operating Officer.
What is Jacobson Mark L.'s total buy and sell value in the current window?
Inside the rolling retention window, Jacobson Mark L. bought $0 and sold $8.9M based on SEC Form 4 filings.
What was Jacobson Mark L.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 35,378 AXSM shares on 2026-02-26, worth $5.7M, per SEC Form 4 filings.