Alan D. Sobel
Alan D. Sobel has made 1 open-market purchase worth $15k since Sep 16, 2026, in 1 company. The latest: $15k of CTSO, filed Sep 16, 2026, scored 36 out of 100.
Director, Cytosorbents Corp
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Purchases
| Filed | Stock | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Sep 16 Form 4 (opens sec.gov) |
CTSOCytosorbents Corp · DirectorDirector | +34% stake | 36 | $15k 2,500 at $6.10 |
— | — |
Questions
What stock has Alan D. Sobel bought?
CTSO (Cytosorbents Corp), all on the open market and reported on SEC Form 4.
When did Alan D. Sobel last buy?
Sep 16, 2026: 2,500 shares of CTSO at $6.10, $15k in all (Form 4 (opens sec.gov)).
Has Alan D. Sobel filed a notice of a planned sale?
Not in the filings on record. A Form 144 is the notice an insider must file before selling restricted or control shares, and it lands on EDGAR before the sale is reported.
Is Alan D. Sobel a routine or an opportunistic buyer?
There isn't enough history to say yet.
Data as of Sep 16, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer