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Castle Biosciences Inc. planned insider sales

In the last twelve months insiders at Castle Biosciences Inc. filed 32 Form 144 notices of planned sales, 645,312 shares worth $19.4 million at the time of filing, from 8 sellers. The latest, filed 13 October 2026: Tobin Juvenal (chief commercial officer), 13,154 shares worth $430,925, planned for around 12 October 2026 through Goldman Sachs & Co. LLC.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
13 October 2026Tobin JuvenalChief Commercial Officer13,154$430,92512 October 20266,576 shares from 12 October 2026Goldman Sachs & Co. LLCRestricted Stock Awards; Restricted Stock UnitsForm 144
5 October 2026Derek MaetzoldOfficer28,992$1.1 million5 October 202628,992 shares from 5 October 2026Goldman Sachs & Co. LLCAcquired as a gift; Stock OptionsForm 144
1 October 2026Kristen OelschlagerOfficer4,153$147,5561 October 20264,153 shares from 1 October 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
14 September 2026Tobin JuvenalChief Commercial Officer13,177$440,63914 September 202613,177 shares from 14 September 2026Goldman Sachs & Co. LLCRestricted Stock Awards; Restricted Stock UnitsForm 144
11 September 2026Derek MaetzoldOfficer29,014$938,02311 September 202629,014 shares from 11 September 2026Goldman Sachs & Co. LLCAcquired as a gift; Stock OptionsForm 144
25 August 2026Tobin JuvenalChief Commercial Officer22,500$787,50025 August 202610,780 shares from 25 August 2026Goldman Sachs & Co. LLCRestricted Stock Awards; Restricted Stock UnitsForm 144
24 August 2026Kristen M. OelschlagerOfficer24,602$841,38824 August 202628,754 shares from 24 August 2026J.P. Morgan Securities LLCRetitled existing joint account into trust nameForm 144
14 August 2026Franklin M. StokesOfficer24,908$741,49414 August 202624,908 shares from 14 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
14 August 2026Derek MaetzoldOfficer25,792$763,95914 August 202625,792 shares from 14 August 2026Goldman Sachs & Co. LLCStock Options; Acquired as giftForm 144
31 July 2026Tobin JuvenalChief Commercial Officer22,500$630,00031 July 202620,770 shares from 31 July 2026Goldman Sachs & Co. LLCRestricted Stock Awards; Restricted Stock UnitsForm 144
31 July 2026Derek MaetzoldOfficer67,662$1.9 million31 July 202667,662 shares from 31 July 2026Goldman Sachs & Co. LLCStock Options; Acquired as giftForm 144
1 July 2026Derek MaetzoldOfficer23,844$589,1851 July 202623,844 shares from 1 July 2026Goldman Sachs & Co. LLCStock Options; Acquired as giftForm 144
16 June 2026Kristen OelschlagerOfficer29,911$617,96116 June 202625,759 shares from 16 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted & Performance Stock UnitsForm 144
1 June 2026Derek MaetzoldOfficer14,008$293,7481 June 202614,008 shares from 1 June 2026Goldman Sachs & Co. LLCStock Options; Acquired as giftForm 144
7 May 2026Derek MaetzoldOfficer14,008$269,5147 May 202614,008 shares from 7 May 2026Goldman Sachs & Co. LLCStock Options; Acquired as giftForm 144
26 March 2026Derek MaetzoldOfficer18,180$449,04626 March 202618,180 shares from 26 March 2026Goldman Sachs & Co. LLCStock Options; Acquired as giftForm 144
12 March 2026Tobin JuvenalChief Commercial Officer20,863$528,25112 March 202620,863 shares from 12 March 2026Goldman Sachs & Co. LLCRestricted Stock Units; Acquired as compensation- Performance Stock UnitsForm 144
11 March 2026Derek MaetzoldOfficer94,204$2.5 million11 March 202694,204 shares from 11 March 2026Goldman Sachs & Co. LLCAcquired as compensation - Performance Stock Units; Restricted Stock Units; Stock Options; Acquired as giftForm 144
5 March 2026Franklin StokesOfficer6,001$169,0485 March 20266,001 shares from 5 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
5 March 2026Gordon B. ColeDirector7,403$210,7435 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock; Stock Option ExerciseForm 144
3 March 2026Franklin StokesOfficer7,000$195,9303 March 20267,000 shares from 3 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
5 January 2026Derek MaetzoldOfficer12,051$469,9895 January 202612,051 shares from 5 January 2026Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
17 December 2025Kristen M. OelschlagerOfficer14,888$581,37617 December 202514,888 shares from 17 December 2025J.P. Morgan Securities LLCRSU VestingForm 144
15 December 2025Derek MaetzoldOfficer33,685$1.3 million15 December 202533,685 shares from 15 December 2025Goldman Sachs & Co. LLCPerformance Awards; Restricted Stock UnitsForm 144
11 December 2025Franklin M. StokesOfficer4,496$168,37511 December 20254,496 shares from 11 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
11 December 2025Tobin JuvenalOfficer13,200$494,67511 December 202513,200 shares from 11 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
25 November 2025Derek MaetzoldOfficer10,712$427,73025 November 202513,390 shares from 25 November 2025Goldman Sachs & Co. LLCPerformance AwardsForm 144
24 November 2025Tobin JuvenalOfficer1,301$49,28224 November 20251,301 shares from 24 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesPreviously Exercised Stock OptionsForm 144
12 November 2025Franklin StokesOfficer5,388$187,17911 November 20255,388 shares from 11 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance Stock UnitsForm 144
12 November 2025Tobin JuvenalOfficer5,393$187,35311 November 20255,393 shares from 11 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
12 November 2025Kristen M. OelschlagerOfficer18,932$657,69811 November 202518,932 shares from 11 November 2025J.P. Morgan Securities LLCFounder Shares; ISOForm 144
4 November 2025Derek MaetzoldOfficer13,390$423,5264 November 202512,051 shares from 4 November 2025Goldman Sachs & Co. LLCPerformance AwardsForm 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?