Eric L. Keller
Eric L. Keller has made 1 open-market purchase worth $250k since Oct 13, 2026, in 1 company. The latest: $250k of RTSN, filed Oct 13, 2026, scored 52 out of 100.
CEO, Retension Pharmaceuticals, Inc.
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Purchases
| Filed | Stock | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Oct 13 Form 4 (opens sec.gov) |
RTSNRetension Pharmaceuticals, Inc. · CEOCEO · 2 insiders buying | +5% stake | 52 | $250k 20,800 at $12.00 |
+28.9% | waiting |
Track record (hypothetical): a week after the filing, these buys averaged +28.9% (100% up, 1 measured).
Questions
What stock has Eric L. Keller bought?
RTSN (Retension Pharmaceuticals, Inc.), all on the open market and reported on SEC Form 4.
When did Eric L. Keller last buy?
Oct 13, 2026: 20,800 shares of RTSN at $12.00, $250k in all (Form 4 (opens sec.gov)).
Has Eric L. Keller 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 Eric L. Keller a routine or an opportunistic buyer?
There isn't enough history to say yet.
Data as of Oct 13, 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