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Eton Pharmaceuticals, Inc. planned insider sales

In the last twelve months insiders at Eton Pharmaceuticals, Inc. filed 18 Form 144 notices of planned sales, 784,480 shares worth $31.4 million at the time of filing, from 6 sellers. The latest, filed 6 October 2026: Krempa David (officer), 4,166 shares worth $229,406, planned for around 6 October 2026 through Raymond James & Associates Inc..

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
6 October 2026Krempa DavidOfficer4,166$229,4066 October 20264,166 shares from 6 October 2026Raymond James & Associates Inc.RSU VestForm 144
28 August 2026Maier Paul VDirector50,000$3.0 million28 August 202650,000 shares from 28 August 2026Raymond James and Associates inc.stock optionsForm 144
24 August 2026Krempa DavidOfficer25,000$1.6 million24 August 202625,000 shares from 24 August 2026Raymond James and AssociatesStock Option ExerciseForm 144
19 August 2026Brynjelsen SeanDirector, 10% Stockholder100,000$6.3 million19 August 2026100,000 shares from 19 August 2026Raymond James and Associates Inc.Founder SharesForm 144
26 June 2026Gruber James R.Officer251,818$9.0 million26 June 2026No matching Form 4 saleRaymond James & AssociatesESPP; RSU; Stock Option ExerciesForm 144
25 June 2026Gruber James R.Officer25,000$875,25125 June 2026No matching Form 4 saleRaymond James & AssociatesStock Option ExerciseForm 144
23 June 2026Gruber James R.Officer25,000$830,87423 June 2026No matching Form 4 saleRaymond James & AssociatesStock Option ExerciseForm 144
17 June 2026Adams Jennifer McKieDirector50,000$1.6 million17 June 202650,000 shares from 17 June 2026Raymond James & AssociatesStock OptionsForm 144
2 June 2026Gruber James R.Officer3,117$84,1632 June 2026No matching Form 4 saleRaymond James & AssociatesRSUForm 144
28 May 2026Brynjelsen SeanDirector120,000$3.9 million28 May 2026120,000 shares from 28 May 2026The Charles Schwab CorporationFounder Shares; Open Market PurchaseForm 144
22 May 2026Krempa DavidOfficer100,000$3.5 million22 May 2026100,000 shares from 22 May 2026Raymond James & Associates, Inc.Options; RSUForm 144
14 January 2026Krempa DavidOfficer1,942$30,33414 January 2026No matching Form 4 saleRaymond James & AssociatesGrantForm 144
14 January 2026Gruber James R.Officer2,293$35,48414 January 2026No matching Form 4 saleRaymond James & AssociatesGrantForm 144
14 January 2026Brynjelsen SeanOfficer, Director, 10% Stockholder5,015$77,18214 January 2026No matching Form 4 saleRAYMOND JAMES & ASSOCIATESGRANTForm 144
12 December 2025Erdogan-Trinkaus IpekOfficer99$1,67412 December 2025No matching Form 4 saleRaymond James & AssociatesGrantForm 144
12 December 2025Gruber James R.Officer5,450$91,99612 December 2025No matching Form 4 saleRaymond James & AssociatesGrantForm 144
12 December 2025Krempa DavidOfficer7,545$127,36012 December 2025No matching Form 4 saleRaymond James & AssociatesGrantForm 144
12 December 2025Brynjelsen SeanOfficer, Director, 10% Stockholder8,035$135,63112 December 2025No matching Form 4 saleRaymond James & AssociatesGrantForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?