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Sera Prognostics, Inc. planned insider sales

In the last twelve months insiders at Sera Prognostics, Inc. filed 57 Form 144 notices of planned sales, 328,086 shares worth $820,762 at the time of filing, from 13 sellers. The latest, filed 13 October 2026: Inglis Tiffany Eul Davis (officer), 8,024 shares worth $16,294, planned for around 12 October 2026 through Morgan Stanley Smith Barney LLC.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
13 October 2026Inglis Tiffany Eul DavisOfficer8,024$16,29412 October 20268,024 shares from 12 October 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
11 September 2026Inglis Tiffany Eul DavisOfficer486$97210 September 2026486 shares from 10 September 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
11 September 2026Aerts AustinOfficer1,509$3,01810 September 2026None on Form 4 yetMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
11 September 2026Anderson Dyaarl Lee Jr.Officer1,800$3,60010 September 20261,800 shares from 10 September 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
11 September 2026Jackson BenjaminOfficer2,190$4,38010 September 20262,190 shares from 10 September 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
11 September 2026Lindgardt ZhenyaOfficer, Director7,022$14,04510 September 20267,022 shares from 10 September 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
9 September 2026Aerts AustinOfficer13,591$27,1958 September 2026None on Form 4 yetMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
9 September 2026Lindgardt ZhenyaOfficer, Director20,139$40,2908 September 202620,139 shares from 8 September 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
15 June 2026Inglis Tiffany Eul DavisOfficer362$72611 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
15 June 2026Aerts AustinOfficer2,037$4,08511 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
15 June 2026Jackson BenjaminOfficer2,179$4,36911 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
15 June 2026Anderson Dyaarl Lee Jr.Officer4,739$9,50311 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
15 June 2026Lindgardt ZhenyaOfficer, Director6,990$14,01611 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
10 June 2026Aerts AustinOfficer5,440$11,3249 June 20267,477 shares from 9 June 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
10 June 2026Lindgardt ZhenyaOfficer, Director20,755$43,2049 June 202627,745 shares from 9 June 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
8 June 2026Sandra Aj LawrenceDirector1,560$3,5728 June 20261,560 shares from 8 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
12 May 2026Paul KearneyOfficer6,765$11,56112 May 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
21 April 2026Robert HarrisonOfficer2,000$4,58021 April 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
24 March 2026Robert HarrisonOfficer2,000$3,64024 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
12 March 2026Harrison Robert GardnerOfficer716$1,46211 March 2026716 shares from 11 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 March 2026Aerts AustinOfficer1,019$2,08011 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 March 2026Jackson BenjaminOfficer1,027$2,09611 March 20261,027 shares from 11 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 March 2026Kearney PaulOfficer1,396$2,85011 March 20261,396 shares from 11 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 March 2026Boniface John J.Officer1,517$3,09711 March 20261,517 shares from 11 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 March 2026Lindgardt ZhenyaOfficer, Director2,973$6,06811 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 March 2026Aerts AustinOfficer6,069$11,53510 March 20261,019 shares from 11 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 March 2026Lindgardt ZhenyaOfficer, Director22,639$43,02810 March 20262,973 shares from 11 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
10 March 2026Aerts AustinOfficer674$1,3239 March 20266,743 shares from 9 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
10 March 2026Kearney PaulOfficer2,026$3,9779 March 20262,026 shares from 9 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
10 March 2026Boniface John J.Officer3,038$5,9649 March 20263,038 shares from 9 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
10 March 2026Jackson BenjaminOfficer3,119$6,1239 March 20263,119 shares from 9 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
10 March 2026Harrison Robert GardnerOfficer3,360$6,5969 March 20263,360 shares from 9 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
6 March 2026Sandra Aj LawrenceDirector1,560$3,1206 March 20261,560 shares from 6 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
24 February 2026Robert HarrisonOfficer2,000$4,90024 February 20262,000 shares from 24 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
27 January 2026Robert HarrisonOfficer2,000$6,18027 January 20262,000 shares from 27 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
30 December 2025Robert Gardner HarrisonOfficer2,000$6,54030 December 20252,000 shares from 30 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
11 December 2025Harrison Robert GardnerOfficer616$2,03710 December 2025616 shares from 10 December 2025Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
11 December 2025Aerts AustinOfficer873$2,88710 December 2025873 shares from 10 December 2025Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
11 December 2025Jackson BenjaminOfficer892$2,95010 December 2025892 shares from 10 December 2025Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
11 December 2025Kearney PaulOfficer1,213$4,01210 December 20251,213 shares from 10 December 2025Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
11 December 2025Boniface John J.Officer1,332$4,40510 December 20251,332 shares from 10 December 2025Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
11 December 2025Lindgardt ZhenyaOfficer, Director4,155$13,74110 December 202526,794 shares from 10 December 2025Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
10 December 2025Aerts AustinOfficer5,232$15,9179 December 20255,232 shares from 9 December 2025Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
10 December 2025Lindgardt ZhenyaOfficer, Director28,215$85,8389 December 202528,215 shares from 9 December 2025Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
8 December 2025Sandra Aj LawrenceDirector1,560$4,8058 December 20251,560 shares from 8 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
5 December 2025Mirza Mansoor RazaDirector292$8925 December 2025292 shares from 5 December 2025Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
2 December 2025Robert Gardner HarrisonOfficer2,000$6,4202 December 20252,000 shares from 2 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
2 December 2025Paul KearneyOfficer32,203$94,6092 December 202532,203 shares from 2 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
26 November 2025Paul KearneyOfficer34,189$116,24326 November 20251,986 shares from 26 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
12 November 2025Aerts AustinOfficer6,351$16,65710 November 2025No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 November 2025Harrison Robert GardnerOfficer6,528$17,12110 November 2025No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 November 2025Jackson BenjaminOfficer7,059$18,51410 November 2025No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 November 2025Kearney PaulOfficer7,073$18,55010 November 2025No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 November 2025Boniface John J.Officer7,767$20,37110 November 2025No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
12 November 2025Lindgardt ZhenyaOfficer, Director11,594$30,40810 November 2025No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
6 November 2025Mirza Mansoor RazaDirector221$6725 November 2025221 shares from 5 November 2025Morgan Stanley Smith Barney LLCRestricted Stock Unit VestingForm 144
4 November 2025Robert Gardner HarrisonOfficer2,000$6,4004 November 20258,528 shares from 4 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 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?