Eton (ETON) CBO sells 100,000 shares after exercising 87,794 options
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Eton Pharmaceuticals Chief Business Officer David Krempa exercised stock options and sold shares in several open-market trades. On May 22–27, 2026, he exercised options to acquire 87,794 shares of common stock at exercise prices of $1.37–$3.58 per share and sold 100,000 shares in open-market transactions at weighted average prices in the low-to-mid $30s, as detailed in the filing.
Following these transactions, he holds 25,249 shares of Eton common stock directly and retains 118,406 employee stock options, according to the reported post-transaction balances.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Seller: 100,000 shares ($3,229,923)
Net Sell
15 txns
Insider
Krempa David
Role
Chief Business Officer
Sold
100,000 shs ($3.23M)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Employee Stock Option | 12,476 | $0.00 | -- |
| Exercise | Employee Stock Option | 7,203 | $0.00 | -- |
| Exercise | Common Stock | 12,476 | $1.37 | $17K |
| Exercise | Common Stock | 7,203 | $3.58 | $26K |
| Sale | Common Stock | 19,679 | $31.4739 | $619K |
| Exercise | Employee Stock Option | 25,000 | $0.00 | -- |
| Exercise | Employee Stock Option | 12,524 | $0.00 | -- |
| Exercise | Common Stock | 25,000 | $1.38 | $35K |
| Exercise | Common Stock | 12,524 | $1.37 | $17K |
| Sale | Common Stock | 37,524 | $31.4927 | $1.18M |
| Exercise | Employee Stock Option | 30,591 | $0.00 | -- |
| Exercise | Common Stock | 30,591 | $3.58 | $110K |
| Sale | Common Stock | 32,963 | $33.2208 | $1.10M |
| Sale | Common Stock | 9,315 | $33.8802 | $316K |
| Sale | Common Stock | 519 | $35.00 | $18K |
Holdings After Transaction:
Employee Stock Option — 0 shares (Direct, null);
Common Stock — 37,725 shares (Direct, null)
Footnotes (1)
- The Reporting Person will provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. The shares were sold in multiple trades at prices ranging from $33.68 to $34.66. The price reported above reflects the weighted average sales price. The shares were sold in multiple trades at prices ranging from $31.27 to $32.16. The price reported above reflects the weighted average sales price. The shares subject to the option vested in 48 equal monthly installments from the date of grant (3-12-2020) until fully vested. The shares were sold in multiple trades at prices ranging from $31.25 to $31.825. The price reported above reflects the weighted average sales price. The shares subject to the option vested annually from the date of grant (11-10-2017) in four equal installments. The shares were sold in multiple trades at prices ranging from $32.67 to $33.65. The price reported above reflects the weighted average sales price. The shares subject to option vested annually from the date of grant (8-7-2017) in four equal installments.
Key Figures
Shares sold: 100,000 shares
Options exercised: 87,794 shares
Post-transaction common shares: 25,249 shares
+5 more
8 metrics
Shares sold
100,000 shares
Total common shares sold across Form 4 period
Options exercised
87,794 shares
Total common shares acquired via option exercises
Post-transaction common shares
25,249 shares
Direct holdings after May 27, 2026 transactions
Remaining employee stock options
118,406 options
Derivative holdings after latest option exercise
Sale price example
$35.0000 per share
One open-market sale on May 22, 2026
Weighted average sale price
$33.2208 per share
One tranche of common stock sold on May 22, 2026
Option exercise price
$1.3700 per share
Exercise price for certain options granted November 2017
Option exercise price
$3.5800 per share
Exercise price for certain options granted March 2020
Key Terms
open-market sale, Employee Stock Option, derivative security, weighted average sales price, +2 more
6 terms
open-market sale financial
"transaction_action: "open-market sale" for several common stock transactions"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
Employee Stock Option financial
"security_title: "Employee Stock Option" for derivative transactions"
An employee stock option is a promise that lets a worker buy company shares later at a predetermined price, often after they stay for a certain period or meet performance goals — think of it like a coupon that locks in today's price for a future purchase. It matters to investors because options align employees’ incentives with company performance, can increase the number of shares outstanding (dilution) when exercised, and represent a compensation cost that affects reported profits and shareholder value.
derivative security financial
"transaction_code_description: "Exercise or conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
weighted average sales price financial
"footnote: "The price reported above reflects the weighted average sales price.""
vested in 48 equal monthly installments financial
"footnote: "The shares subject to the option vested in 48 equal monthly installments""
vested annually financial
"footnote: "The shares subject to the option vested annually from the date of grant""
