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SERA

SERA PROGNOSTICS (SERA) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $2.04 +1.0% on the day -36.3% over 12 months 52-week range $1.59 – $3.75

Share price and insider trades

SERA closeInsider buyInsider sale
1234NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $672 on 2025-11-05 · Mansoor Raza MirzaSold $891 on 2025-12-05 · Mansoor Raza MirzaSold $3,042 on 2026-03-06 · Sandra Aj LawrenceSold $3,354 on 2026-06-08 · Sandra Aj LawrenceSold $4,680 on 2026-02-24 · Robert Gardner HarrisonSold $4,758 on 2025-12-08 · Sandra Aj LawrenceSold $5,940 on 2026-01-27 · Robert Gardner HarrisonSold $6,000 on 2025-12-30 · Robert Gardner HarrisonSold $6,140 on 2025-11-04 · Robert Gardner HarrisonSold $6,971 on 2025-11-26 · Paul KearneySold $17,642 on 2026-03-11 · Austin Aerts, Benjamin Jackson, John J. Boniface, Paul Kearney, Robert Gardner Harrison, Zhenya LindgardtSold $22,996 on 2026-09-10 · Benjamin Jackson, Dyaarl Lee Anderson Jr., Tiffany Eul Davis Inglis, Zhenya LindgardtSold $23,945 on 2026-03-09 · Austin Aerts, Benjamin Jackson, John J. Boniface, Paul Kearney, Robert Gardner HarrisonSold $30,058 on 2025-12-10 · Austin Aerts, Benjamin Jackson, John J. Boniface, Paul Kearney, Robert Gardner Harrison, Zhenya LindgardtSold $32,777 on 2026-06-11 · Austin Aerts, Benjamin Jackson, Dyaarl Lee Anderson Jr., Tiffany Eul Davis Inglis, Zhenya LindgardtSold $40,278 on 2026-09-08 · Zhenya LindgardtSold $54,486 on 2026-06-09 · Austin Aerts, Zhenya LindgardtSold $54,545 on 2026-03-10 · Austin Aerts, Zhenya LindgardtSold $100,537 on 2025-12-02 · Paul Kearney, Robert Gardner HarrisonSold $101,679 on 2025-12-09 · Austin Aerts, Zhenya LindgardtSold $121,495 on 2025-11-10 · Austin Aerts, Benjamin Jackson, John J. Boniface, Paul Kearney, Robert Gardner Harrison, Zhenya Lindgardt
Bought, 12 months$0
Sold, 12 months$643K
Insiders buying0
Insiders selling10

SERA PROGNOSTICS insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 10 sold $643K of SERA stock on the open market.

SERA insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $386K sold (24 trades)Q4 2025Q1 2026: $110K sold (16 trades)Q1 2026Q2 2026: $91K sold (8 trades)Q2 2026Q3 2026: $63K sold (5 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0$63K5
Q2 2026—0$91K8
Q1 2026—0$110K16
Q4 2025—0$386K24

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.4×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 SERA PROGNOSTICS, INC. insiders reported open-market purchases totaling $0, while 10 insiders reported sales totaling $643K. 10 of 53 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Sep 11SEC Zhenya LindgardtCEO Sell 7,022837,848 held (−1%) $2.00 $14K +2.0% —
Sep 11SEC Benjamin JacksonGeneral Counsel Sell 2,190159,566 held (−1%) $2.00 $4K +2.0% —
Sep 11SEC Dyaarl Lee Anderson Jr.Chief Commercial Officer Sell 1,80076,198 held (−2%) $2.00 $4K +2.0% —
Sep 11SEC Tiffany Eul Davis InglisChief Medical Officer Sell 48691,589 held (−1%) $2.00 $972 +2.0% —
Sep 9SEC Zhenya LindgardtCEO Sell 20,139844,870 held (−2%) $2.00 $40K +2.0% —
Jun 15SEC Zhenya LindgardtCEO Sell 6,990865,009 held (−1%) $2.01 $14K +1.5% —
Jun 15SEC Dyaarl Lee Anderson Jr.Chief Commercial Officer Sell 4,73977,998 held (−6%) $2.01 $10K +1.5% —
Jun 15SEC Benjamin JacksonGeneral Counsel Sell 2,179161,756 held (−1%) $2.01 $4K +1.5% —
Jun 15SEC Austin AertsCFO Sell 2,037301,190 held (−1%) $2.01 $4K +1.5% —
Jun 15SEC Tiffany Eul Davis InglisChief Medical Officer Sell 36292,075 held (−0%) $2.01 $728 +1.5% —
Jun 10SEC Zhenya LindgardtCEO Sell 20,755871,999 held (−2%) $2.08 $43K -1.9% —
Jun 10SEC Austin AertsCFO Sell 5,440303,227 held (−2%) $2.08 $11K -1.9% —
Jun 9SEC Sandra Aj LawrenceDirector Sell Plan 1,56016,473 held (−9%) $2.15 $3K -5.1% —
Mar 12SEC Zhenya LindgardtCEO Sell 22,639741,287 held (−3%) $1.90 $43K +7.4% —
Mar 12SEC Austin AertsCFO Sell 6,069265,471 held (−2%) $1.90 $12K +7.4% —
Mar 12SEC Zhenya LindgardtCEO Sell 2,973738,314 held (−0%) $2.04 $6K +0.0% —
Mar 12SEC John J. BonifaceChief Scientific Officer Sell 1,517145,842 held (−1%) $2.04 $3K +0.0% —
Mar 12SEC Paul KearneyChief Data Officer Sell 1,396163,961 held (−1%) $2.04 $3K +0.0% —
Mar 12SEC Benjamin JacksonGeneral Counsel Sell 1,027114,720 held (−1%) $2.04 $2K +0.0% —
Mar 12SEC Austin AertsCFO Sell 1,019264,452 held (−0%) $2.04 $2K +0.0% —
Mar 12SEC Robert Gardner HarrisonChief Information Officer Sell 71676,712 held (−1%) $2.04 $1K +0.0% —
Mar 10SEC Robert Gardner HarrisonChief Information Officer Sell 3,36077,428 held (−4%) $1.96 $7K +4.1% —
Mar 10SEC Benjamin JacksonGeneral Counsel Sell 3,119115,747 held (−3%) $1.96 $6K +4.1% —
Mar 10SEC John J. BonifaceChief Scientific Officer Sell 3,038147,359 held (−2%) $1.96 $6K +4.1% —
Mar 10SEC Paul KearneyChief Data Officer Sell 2,026165,357 held (−1%) $1.96 $4K +4.1% —
Mar 10SEC Austin AertsCFO Sell 674271,540 held (−0%) $1.96 $1K +4.1% —
Mar 6SEC Sandra Aj LawrenceDirector Sell Plan 1,56018,033 held (−8%) $1.95 $3K +4.6% —
Feb 24SEC Robert Gardner HarrisonChief Information Officer Sell Plan 2,00080,788 held (−2%) $2.34 $5K -12.8% —
Jan 27SEC Robert Gardner HarrisonChief Information Officer Sell Plan 2,00082,788 held (−2%) $2.97 $6K -31.3% —
Dec 30SEC Robert Gardner HarrisonChief Information Officer Sell Plan 2,00084,788 held (−2%) $3.00 $6K -32.0% —
Dec 11SEC Zhenya LindgardtCEO Sell 4,155763,926 held (−1%) $3.31 $14K -38.4% —
Dec 11SEC John J. BonifaceChief Scientific Officer Sell 1,332150,397 held (−1%) $3.31 $4K -38.4% —
Dec 11SEC Paul KearneyChief Data Officer Sell 1,213167,383 held (−1%) $3.31 $4K -38.4% —
Dec 11SEC Benjamin JacksonGeneral Counsel Sell 892118,866 held (−1%) $3.31 $3K -38.4% —
Dec 11SEC Austin AertsCFO Sell 873272,214 held (−0%) $3.31 $3K -38.4% —
Dec 11SEC Robert Gardner HarrisonChief Information Officer Sell 61686,788 held (−1%) $3.31 $2K -38.4% —
Dec 10SEC Zhenya LindgardtCEO Sell 28,215768,081 held (−4%) $3.04 $86K -32.9% —
Dec 10SEC Austin AertsCFO Sell 5,232273,087 held (−2%) $3.04 $16K -32.9% —
Dec 8SEC Sandra Aj LawrenceDirector Sell Plan 1,56019,593 held (−7%) $3.05 $5K -33.1% —
Dec 5SEC Mansoor Raza MirzaDirector Sell 29257,740 held (−1%) $3.05 $891 -33.1% —
Dec 3SEC Paul KearneyChief Data Officer Sell 32,203168,596 held (−16%) $2.94 $95K -30.6% —
Dec 3SEC Robert Gardner HarrisonChief Information Officer Sell Plan 2,00087,404 held (−2%) $2.93 $6K -30.4% —
Nov 26SEC Paul KearneyChief Data Officer Sell Plan 1,986168,596 held (−1%) $3.51 $7K -41.9% —
Nov 12SEC Zhenya LindgardtCEO Sell 11,594796,296 held (−1%) $2.62 $30K -22.1% —
Nov 12SEC John J. BonifaceChief Scientific Officer Sell 7,767151,726 held (−5%) $2.62 $20K -22.1% —
Nov 12SEC Paul KearneyChief Data Officer Sell 7,073168,596 held (−4%) $2.62 $19K -22.1% —
Nov 12SEC Benjamin JacksonGeneral Counsel Sell 7,059119,758 held (−6%) $2.62 $18K -22.1% —
Nov 12SEC Robert Gardner HarrisonChief Information Officer Sell 6,52889,404 held (−7%) $2.62 $17K -22.1% —
Nov 12SEC Austin AertsCFO Sell 6,351278,319 held (−2%) $2.62 $17K -22.1% —
Nov 6SEC Mansoor Raza MirzaDirector Sell 22158,032 held (−0%) $3.04 $672 -32.9% —
Nov 4SEC Robert Gardner HarrisonChief Information Officer Sell Plan 2,00095,932 held (−2%) $3.07 $6K -33.6% —
Oct 8SEC Robert Gardner HarrisonChief Information Officer Sell Plan 2,00097,932 held (−2%) $3.18 $6K -35.8% —
Oct 6SEC Mansoor Raza MirzaDirector Sell 22758,253 held (−0%) $3.16 $717 -35.4% —

Insiders at SERA PROGNOSTICS, INC.

InsiderBoughtSoldLast filingScore
Zhenya LindgardtCEO — $291K Sep 11, 2026 —
Paul KearneyChief Data Officer — $131K Mar 12, 2026 —
Austin AertsCFO — $66K Jun 15, 2026 —
Robert Gardner HarrisonChief Information Officer — $62K Mar 12, 2026 —
Benjamin JacksonGeneral Counsel — $38K Sep 11, 2026 —
John J. BonifaceChief Scientific Officer — $34K Mar 12, 2026 —
Dyaarl Lee Anderson Jr.Chief Commercial Officer — $13K Sep 11, 2026 —
Sandra Aj LawrenceDirector — $11K Jun 9, 2026 —
Mansoor Raza MirzaDirector — $2K Dec 5, 2025 —
Tiffany Eul Davis InglisChief Medical Officer — $2K Sep 11, 2026 —

SERA stock: common questions

Are SERA PROGNOSTICS, INC. insiders buying SERA stock?

In the past 12 months, 0 insiders reported open-market purchases of SERA worth $0.

Are SERA PROGNOSTICS, INC. insiders selling SERA stock?

10 insiders reported sales worth $643K over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is SERA's 52-week range?

Over the past year SERA has traded between $1.59 and $3.75. It last closed at $2.04 on Oct 9, 2026.