SERA PROGNOSTICS, INC. (SERA)

Latest Insider Confidence Score

2026Q1

44.8
Bearish

Company insider confidence (by quarter)

2021Q3 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Baker Bros. Advisors Lp — 5,498,170 Feb 14, 2025
Baker Bros. Advisors (GP) LLC — 5,498,170 Feb 14, 2025
Baker Felix — 5,498,170 Feb 14, 2025
Baker Julian — 5,498,170 Feb 14, 2025
Lindgardt Zhenya CEO 796,296 Nov 12, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 6, 2026 Mar 6, 2026 Lawrence Sandra AJ Director Sell 32.5 -1,560 -7.96% ✓ $3K
Feb 24, 2026 Feb 24, 2026 Harrison Robert Gardner Chief Information Officer Sell 45.0 -2,000 -2.42% ✓ $4.7K
Feb 4, 2026 Feb 4, 2026 Kamdar Kim P. Director Neutral 27.5 -27,689 -45.95% ✗ -
Jan 27, 2026 Jan 27, 2026 Harrison Robert Gardner Chief Information Officer Sell 45.0 -2,000 -2.36% ✓ $5.9K
Dec 30, 2025 Dec 30, 2025 Harrison Robert Gardner Chief Information Officer Sell 45.0 -2,000 -2.30% ✓ $6K
Dec 10, 2025 Dec 11, 2025 Lindgardt Zhenya CEO Sell 48.8 -4,155 -0.54% ✗ $13.8K
Dec 10, 2025 Dec 11, 2025 Kearney Paul Chief Data Officer Sell 50.0 -1,213 -0.72% ✗ $4K
Dec 10, 2025 Dec 11, 2025 Jackson Benjamin General Counsel Sell 50.0 -892 -0.74% ✗ $3K
Dec 10, 2025 Dec 11, 2025 Harrison Robert Gardner Chief Information Officer Sell 50.0 -616 -0.70% ✗ $2K
Dec 10, 2025 Dec 11, 2025 Boniface John J. Chief Scientific Officer Sell 50.0 -1,332 -0.88% ✗ $4.4K
Dec 10, 2025 Dec 11, 2025 Aerts Austin CFO Sell 52.5 -873 -0.32% ✗ $2.9K
Dec 9, 2025 Dec 10, 2025 Lindgardt Zhenya CEO Sell 42.5 -28,215 -3.54% ✗ $85.8K
Dec 9, 2025 Dec 10, 2025 Aerts Austin CFO Sell 46.3 -5,232 -1.88% ✗ $15.9K
Dec 8, 2025 Dec 8, 2025 Lawrence Sandra AJ Director Sell 37.5 -1,560 -7.37% ✓ $4.8K
Dec 5, 2025 Dec 5, 2025 Mirza Mansoor Raza Director Sell 50.0 -292 -0.50% ✗ $890.6
Dec 2, 2025 Dec 3, 2025 Harrison Robert Gardner Chief Information Officer Sell 46.3 -2,000 -2.24% ✓ $5.9K
Dec 2, 2025 Dec 3, 2025 Kearney Paul Chief Data Officer Sell 22.5 -32,203 -16.04% ✗ $94.7K
Nov 26, 2025 Nov 26, 2025 Kearney Paul Chief Data Officer Sell 50.0 -1,986 -1.16% ✓ $7K
Nov 10, 2025 Nov 12, 2025 Lindgardt Zhenya CEO Sell 46.3 -11,594 -1.44% ✗ $30.4K
Nov 10, 2025 Nov 12, 2025 Kearney Paul Chief Data Officer Sell 46.3 -7,073 -4.03% ✗ $18.5K
Nov 10, 2025 Nov 12, 2025 Jackson Benjamin General Counsel Sell 46.3 -7,059 -5.57% ✗ $18.5K
Nov 10, 2025 Nov 12, 2025 Harrison Robert Gardner Chief Information Officer Sell 46.3 -6,528 -6.80% ✗ $17.1K
Nov 10, 2025 Nov 12, 2025 Boniface John J. Chief Scientific Officer Sell 46.3 -7,767 -4.87% ✗ $20.3K
Nov 10, 2025 Nov 12, 2025 Aerts Austin CFO Sell 46.3 -6,351 -2.23% ✗ $16.6K
Nov 5, 2025 Nov 6, 2025 Mirza Mansoor Raza Director Sell 52.5 -221 -0.38% ✗ $671.8
Nov 4, 2025 Nov 4, 2025 Harrison Robert Gardner Chief Information Officer Sell 46.3 -2,000 -2.04% ✓ $6.1K
Oct 15, 2025 Oct 15, 2025 Inglis Tiffany Eul Davis Chief Medical Officer Neutral 90.0 +75,000 100.00% ✗ -
Oct 15, 2025 Inglis Tiffany Eul Davis Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Oct 7, 2025 Oct 8, 2025 Harrison Robert Gardner Chief Information Officer Sell 46.3 -2,000 -2.00% ✓ $6.4K
Oct 6, 2025 Oct 6, 2025 Mirza Mansoor Raza Director Sell 52.5 -227 -0.39% ✗ $717.3
Sep 11, 2025 Sep 12, 2025 Lindgardt Zhenya CEO Sell 51.3 -3,246 -0.40% ✗ $10.2K
Sep 11, 2025 Sep 12, 2025 Kearney Paul Chief Data Officer Sell 50.0 -1,271 -0.72% ✗ $4K
Sep 11, 2025 Sep 12, 2025 Jackson Benjamin General Counsel Sell 50.0 -934 -0.73% ✗ $2.9K
Sep 11, 2025 Sep 12, 2025 Harrison Robert Gardner Chief Information Officer Sell 50.0 -645 -0.64% ✗ $2K
Sep 11, 2025 Sep 12, 2025 Boniface John J. Chief Scientific Officer Sell 50.0 -1,395 -0.87% ✗ $4.4K
Sep 11, 2025 Sep 12, 2025 Aerts Austin CFO Sell 52.5 -915 -0.32% ✗ $2.9K
Sep 9, 2025 Sep 11, 2025 Lawrence Sandra AJ Director Sell 37.5 -1,560 -6.87% ✓ $4.8K
Sep 9, 2025 Sep 9, 2025 Lindgardt Zhenya CEO Sell 42.5 -21,158 -2.54% ✗ $66.6K
Sep 9, 2025 Sep 9, 2025 Aerts Austin CFO Sell 46.3 -5,263 -1.81% ✗ $16.6K
Sep 9, 2025 Sep 9, 2025 Lawrence Sandra AJ Director Sell 23.8 -3,899 -17.17% ✓ $11.9K
Sep 9, 2025 Sep 9, 2025 Harrison Robert Gardner Chief Information Officer Sell 50.0 -2,000 -1.95% ✓ $6.1K
Sep 5, 2025 Sep 5, 2025 Mirza Mansoor Raza Director Sell 52.5 -222 -0.38% ✗ $743.7
Sep 2, 2025 Sep 3, 2025 Kearney Paul Chief Data Officer Sell 52.5 -1,458 -0.82% ✓ $5.1K
Aug 29, 2025 Sep 2, 2025 Kearney Paul Chief Data Officer Sell 36.3 -10,542 -5.58% ✓ $36.8K
Aug 20, 2025 Aug 20, 2025 Harrison Robert Gardner Chief Information Officer Sell 36.3 -6,000 -5.53% ✓ $13.3K
Aug 8, 2025 Aug 11, 2025 Lindgardt Zhenya CEO Sell 46.3 -8,571 -1.02% ✗ $21.8K
Aug 8, 2025 Aug 11, 2025 Kearney Paul Chief Data Officer Sell 46.3 -6,460 -3.31% ✗ $16.4K
Aug 8, 2025 Aug 11, 2025 Jackson Benjamin General Counsel Sell 46.3 -6,447 -4.80% ✗ $16.4K
Aug 8, 2025 Aug 11, 2025 Harrison Robert Gardner Chief Information Officer Sell 46.3 -5,962 -5.21% ✗ $15.1K
Aug 8, 2025 Aug 11, 2025 Boniface John J. Chief Scientific Officer Sell 46.3 -7,094 -4.22% ✗ $18K
Aug 8, 2025 Aug 11, 2025 Aerts Austin CFO Sell 46.3 -5,800 -1.96% ✗ $14.7K
Aug 5, 2025 Aug 5, 2025 Mirza Mansoor Raza Director Sell 52.5 -225 -0.38% ✗ $562.5
Jul 7, 2025 Jul 8, 2025 Mirza Mansoor Raza Director Sell 52.5 -234 -0.40% ✗ $552.2
Jun 30, 2025 Trimble Ryan Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Jun 23, 2025 Anderson Dyaarl Lee Jr. Chief Commercial Officer Neutral 90.0 +67,114 100.00% ✗ -
Jun 10, 2025 Jun 12, 2025 Jackson Benjamin General Counsel Sell 50.0 -965 -0.71% ✗ $1.4K
Jun 10, 2025 Jun 12, 2025 Boniface John J. Chief Scientific Officer Sell 50.0 -1,439 -0.85% ✗ $2.1K
May 30, 2025 Jun 12, 2025 Jackson Benjamin General Counsel Neutral 82.5 +3,703 2.82% ✗ -
May 30, 2025 Jun 12, 2025 Boniface John J. Chief Scientific Officer Neutral 77.5 +3,703 2.23% ✗ -
Jun 9, 2025 Jun 11, 2025 Aerts Austin CFO Sell 47.5 -6,680 -2.20% ✗ $9.6K
Jun 10, 2025 Jun 11, 2025 Kearney Paul Chief Data Officer Sell 50.0 -1,311 -0.67% ✗ $1.9K
Jun 10, 2025 Jun 11, 2025 Harrison Robert Gardner Chief Information Officer Sell 50.0 -667 -0.58% ✗ $987.2
Jun 9, 2025 Jun 11, 2025 Lindgardt Zhenya CEO Sell 46.3 -26,386 -3.04% ✗ $37.9K
Jun 11, 2025 Anderson Dyaarl Lee Jr. Chief Commercial Officer Neutral 52.5 - 0.00% ✗ -
Jun 6, 2025 Wilson Marcus Dean Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2025 Jun 6, 2025 Trimble Ryan Director Neutral 90.0 +15,596 219.14% ✗ -
Jun 5, 2025 Jun 6, 2025 Phillips Joshua Director Neutral 90.0 +15,596 37.66% ✗ -
Jun 5, 2025 Jun 6, 2025 Mirza Mansoor Raza Director Sell 90.0 +15,489 35.47% ✗ $169.1
Jun 5, 2025 Jun 6, 2025 Kamdar Kim P. Director Neutral 90.0 +15,596 113.46% ✗ -
Jun 5, 2025 Jun 6, 2025 CRITCHFIELD GREGORY C Director Neutral 77.5 +15,596 1.93% ✗ -
Jun 5, 2025 Jun 6, 2025 Lawrence Sandra AJ Director Neutral 90.0 +15,596 219.14% ✗ -
Jun 5, 2025 Jun 6, 2025 Barlow Jane F Director Neutral 90.0 +15,596 219.14% ✗ -
May 8, 2025 May 9, 2025 Mirza Mansoor Raza Director Sell 52.5 -106 -0.24% ✗ $258.6
May 8, 2025 May 9, 2025 Lindgardt Zhenya CEO Sell 46.3 -9,406 -1.07% ✗ $23K
May 8, 2025 May 9, 2025 Kearney Paul Chief Data Officer Sell 46.3 -7,089 -3.48% ✗ $17.3K
May 8, 2025 May 9, 2025 Jackson Benjamin General Counsel Sell 46.3 -7,084 -5.11% ✗ $17.3K
May 8, 2025 May 9, 2025 Harrison Robert Gardner Chief Information Officer Sell 46.3 -6,551 -5.38% ✗ $16K
May 8, 2025 May 9, 2025 Boniface John J. Chief Scientific Officer Sell 46.3 -5,132 -3.00% ✗ $12.5K
May 8, 2025 May 9, 2025 Aerts Austin CFO Sell 46.3 -6,374 -2.06% ✗ $15.6K
Apr 7, 2025 Apr 8, 2025 Mirza Mansoor Raza Director Sell 52.5 -107 -0.24% ✗ $358.5
Mar 20, 2025 Mar 21, 2025 Elliott Jeffrey Thomas Director Neutral 90.0 +30,534 100.00% ✗ -
Mar 21, 2025 Elliott Jeffrey Thomas Director Neutral 52.5 - 0.00% ✗ -
Mar 7, 2025 Mar 10, 2025 Harrison Robert Gardner Chief Information Officer Sell 41.3 -3,874 -3.08% ✓ $16.1K
Mar 6, 2025 Mar 10, 2025 Lindgardt Zhenya CEO Sell 95.0 +97,198 12.47% ✗ $122.5K
Mar 7, 2025 Mar 10, 2025 Aerts Austin CFO Sell 46.3 -4,818 -1.53% ✗ $19.9K
Mar 6, 2025 Mar 7, 2025 Mirza Mansoor Raza Director Sell 52.5 -99 -0.23% ✗ $411.8
Mar 5, 2025 Mar 7, 2025 Kearney Paul Chief Data Officer Sell 90.0 +45,672 28.88% ✗ $5.6K
Mar 5, 2025 Mar 7, 2025 Jackson Benjamin General Counsel Sell 90.0 +32,305 30.41% ✗ $9.5K
Mar 5, 2025 Mar 7, 2025 Harrison Robert Gardner Chief Information Officer Sell 91.3 +22,519 21.84% ✗ $13.5K
Mar 5, 2025 Mar 7, 2025 Boniface John J. Chief Scientific Officer Sell 90.0 +44,966 35.72% ✗ $8.5K
Mar 5, 2025 Mar 7, 2025 Aerts Austin CFO Sell 90.0 +37,110 13.38% ✗ $2.2K
Feb 13, 2025 Feb 14, 2025 Harrison Robert Gardner Chief Information Officer Sell 41.3 -3,610 -3.38% ✓ $15.5K
Feb 12, 2025 Feb 14, 2025 Mirza Mansoor Raza Director Sell 52.5 -101 -0.23% ✗ $462.6
Feb 12, 2025 Feb 14, 2025 Lindgardt Zhenya CEO Sell 42.5 -14,075 -1.77% ✗ $64.5K
Feb 12, 2025 Feb 14, 2025 Kearney Paul Chief Data Officer Sell 46.3 -5,342 -3.27% ✗ $24.5K
Feb 13, 2025 Feb 14, 2025 Jackson Benjamin General Counsel Sell 46.3 -5,915 -5.27% ✗ $27.1K
Feb 12, 2025 Feb 14, 2025 Harrison Robert Gardner Chief Information Officer Sell 46.3 -7,297 -6.40% ✗ $33.4K
Feb 12, 2025 Feb 14, 2025 Boniface John J. Chief Scientific Officer Sell 46.3 -5,915 -4.49% ✗ $27.1K
Feb 12, 2025 Feb 14, 2025 Aerts Austin CFO Sell 46.3 -5,915 -2.09% ✗ $27.1K
Feb 14, 2025 BAKER BROS. ADVISORS LP 10% Owner Neutral 52.5 - 0.00% ✗ -