Sera Prognostics, Inc. (SERA)

Sera Prognostics experienced significant insider selling over the past ninety days, totaling approximately $189,357. Executives, including the CEO and Chief Medical Officer, offloaded shares across fourteen transactions. This activity follows a recent earnings report that missed expectations. The stock currently trades near its fifty-two-week low, reflecting a period of downward price pressure.
Ticker: SERA Exchange: NMS


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Insider trades have triggered activity signals for Sera Prognostics, Inc.. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
1.9
Inglis Tiffany Eul Davis Chief Medical Officer Officer
Transaction date
Sale
Price
183.64
Quantity 4,660 +17.6%
Value US$195,754
1.9
Inglis Tiffany Eul Davis Officer Officer
Transaction date
Proposed sale
Price
304.51
Quantity 20,806
Value US$1,287,823
2.1
Anderson Dyaarl Lee Jr. Officer Officer
Transaction date
Proposed sale
Price
446.48
Quantity 59,922
Value US$931,326
2.1
Anderson Dyaarl Lee Jr. Chief Commercial Officer Officer
Transaction date
Sale
Price
2.00
Quantity 1,800 -2.3%
Value US$3,600
3.8
Jackson Benjamin General Counsel Officer
Transaction date
Sale
Price
2.00
Quantity 2,190 -1.4%
Value US$4,380
3.5
Aerts Austin Officer Officer
Transaction date
Proposed sale
Price
2.00
Quantity 1,509
Value US$3,018
3.7
Lindgardt Zhenya Officer; Director Executive Director
Transaction date
Proposed sale
Price
2.00
Quantity 7,022
Value US$14,045
1.9
Inglis Tiffany Eul Davis Chief Medical Officer Officer
Transaction date
Sale
Price
2.00
Quantity 486 -0.5%
Value US$972
3.7
Lindgardt Zhenya Chief Executive Officer Executive Director
Transaction date
Sale
Price
2.00
Quantity 7,022 -0.8%
Value US$14,044
3.8
Jackson Benjamin Officer Officer
Transaction date
Proposed sale
Price
2.00
Quantity 2,190
Value US$4,380
3.7
Lindgardt Zhenya Chief Executive Officer Executive Director
Transaction date
Sale
Price
2.00
Quantity 20,139 -2.3%
Value US$40,278
3.7
Lindgardt Zhenya Officer; Director Executive Director
Transaction date
Proposed sale
Price
2.00
Quantity 20,139
Value US$40,290
3.5
Aerts Austin Officer Officer
Transaction date
Proposed sale
Price
2.00
Quantity 13,591
Value US$27,195
3.8
Jackson Benjamin General Counsel Officer
Transaction date
Sale
Price
2.01
Quantity 2,179 -1.3%
Value US$4,380
2.1
Anderson Dyaarl Lee Jr. Chief Commercial Officer Officer
Transaction date
Sale
Price
2.01
Quantity 4,739 -5.7%
Value US$9,525
1.9
Inglis Tiffany Eul Davis Chief Medical Officer Officer
Transaction date
Sale
Price
2.01
Quantity 362 -0.4%
Value US$728
3.7
Lindgardt Zhenya Chief Executive Officer Executive Director
Transaction date
Sale
Price
2.01
Quantity 6,990 -0.8%
Value US$14,050
3.5
Aerts Austin Chief Financial Officer Officer
Transaction date
Sale
Price
2.01
Quantity 2,037 -0.7%
Value US$4,094
3.7
Lindgardt Zhenya Officer; Director Executive Director
Transaction date
Proposed sale
Price
2.01
Quantity 6,990
Value US$14,016
3.5
Aerts Austin Officer Officer
Transaction date
Proposed sale
Price
2.01
Quantity 2,037
Value US$4,085
3.8
Jackson Benjamin Officer Officer
Transaction date
Proposed sale
Price
2.01
Quantity 2,179
Value US$4,369
3.7
Lindgardt Zhenya Chief Executive Officer Executive Director
Transaction date
Sale
Price
2.08
Quantity 20,755 -2.3%
Value US$43,170
3.5
Aerts Austin Chief Financial Officer Officer
Transaction date
Sale
Price
2.08
Quantity 5,440 -1.8%
Value US$11,315
3.7
Lindgardt Zhenya Officer; Director Executive Director
Transaction date
Proposed sale
Price
2.08
Quantity 20,755
Value US$43,204
3.5
Aerts Austin Officer Officer
Transaction date
Proposed sale
Price
2.08
Quantity 5,440
Value US$11,324
2.5
Lawrence Sandra AJ Non-Executive Director
Transaction date
Planned sale
Price
2.15
Quantity 1,560 -8.7%
Value US$3,354
2.5
SANDRA AJ LAWRENCE Director Non-Executive Director
Transaction date
Proposed sale
Price
2.29
Quantity 1,560
Value US$3,572
3.5
PAUL KEARNEY Officer Officer
Transaction date
Proposed sale
Price
1.71
Quantity 6,765
Value US$11,561
3.3
ROBERT HARRISON Officer Officer
Transaction date
Proposed sale
Price
2.29
Quantity 2,000
Value US$4,580
3.3
ROBERT HARRISON Officer Officer
Transaction date
Proposed sale
Price
1.82
Quantity 2,000
Value US$3,640
3.7
Lindgardt Zhenya Chief Executive Officer Executive Director
Transaction date
Sale
Price
2.04
Quantity 2,973 -0.4%
Value US$6,065
3.5
Kearney Paul Chief Data Officer Officer
Transaction date
Sale
Price
2.04
Quantity 1,396 -0.8%
Value US$2,848
3.8
Jackson Benjamin General Counsel Officer
Transaction date
Sale
Price
2.04
Quantity 1,027 -0.9%
Value US$2,095
3.3
Harrison Robert Gardner Chief Information Officer Officer
Transaction date
Sale
Price
2.04
Quantity 716 -0.9%
Value US$1,461
3.5
Aerts Austin Chief Financial Officer Officer
Transaction date
Sale
Price
2.04
Quantity 1,019 -0.4%
Value US$2,079
3.2
Boniface John J. Chief Scientific Officer Officer
Transaction date
Sale
Price
2.04
Quantity 1,517 -1.0%
Value US$3,095
3.7
Lindgardt Zhenya Officer; Director Executive Director
Transaction date
Proposed sale
Price
2.04
Quantity 2,973
Value US$6,068
3.5
Kearney Paul Officer Officer
Transaction date
Proposed sale
Price
2.04
Quantity 1,396
Value US$2,850
3.8
Jackson Benjamin Officer Officer
Transaction date
Proposed sale
Price
2.04
Quantity 1,027
Value US$2,096
3.2
Boniface John J. Officer Officer
Transaction date
Proposed sale
Price
2.04
Quantity 1,517
Value US$3,097
3.5
Aerts Austin Officer Officer
Transaction date
Proposed sale
Price
2.04
Quantity 1,019
Value US$2,080
3.7
Lindgardt Zhenya Chief Executive Officer Executive Director
Transaction date
Sale
Price
1.90
Quantity 22,639 -3.0%
Value US$43,014
3.5
Aerts Austin Chief Financial Officer Officer
Transaction date
Sale
Price
1.90
Quantity 6,069 -2.2%
Value US$11,531
3.7
Lindgardt Zhenya Officer; Director Executive Director
Transaction date
Proposed sale
Price
1.90
Quantity 22,639
Value US$43,028
3.5
Aerts Austin Officer Officer
Transaction date
Proposed sale
Price
1.90
Quantity 6,069
Value US$11,535
3.8
Jackson Benjamin Officer Officer
Transaction date
Proposed sale
Price
1.96
Quantity 3,119
Value US$6,123
3.5
Kearney Paul Officer Officer
Transaction date
Proposed sale
Price
1.96
Quantity 2,026
Value US$3,977
3.5
Aerts Austin Officer Officer
Transaction date
Proposed sale
Price
1.96
Quantity 674
Value US$1,323
3.2
Boniface John J. Officer Officer
Transaction date
Proposed sale
Price
1.96
Quantity 3,038
Value US$5,964
3.5
Aerts Austin Chief Financial Officer Officer
Transaction date
Sale
Price
1.96
Quantity 674 -0.2%
Value US$1,321
3.5
Kearney Paul Chief Data Officer Officer
Transaction date
Sale
Price
1.96
Quantity 2,026 -1.2%
Value US$3,971
3.8
Jackson Benjamin General Counsel Officer
Transaction date
Sale
Price
1.96
Quantity 3,119 -2.6%
Value US$6,113
3.2
Boniface John J. Chief Scientific Officer Officer
Transaction date
Sale
Price
1.96
Quantity 3,038 -2.0%
Value US$5,954
3.3
Harrison Robert Gardner Chief Information Officer Officer
Transaction date
Sale
Price
1.96
Quantity 3,360 -4.2%
Value US$6,586
2.5
Lawrence Sandra AJ Non-Executive Director
Transaction date
Planned sale
Price
1.95
Quantity 1,560 -8.0%
Value US$3,042
2.5
SANDRA AJ LAWRENCE Director Non-Executive Director
Transaction date
Proposed sale
Price
2.00
Quantity 1,560
Value US$3,120
3.3
Harrison Robert Gardner Chief Information Officer Officer
Transaction date
Planned sale
Price
2.34
Quantity 2,000 -2.4%
Value US$4,680
3.3
ROBERT HARRISON Officer Officer
Transaction date
Proposed sale
Price
2.45
Quantity 2,000
Value US$4,900
3.3
ROBERT HARRISON Officer Officer
Transaction date
Proposed sale
Price
3.09
Quantity 2,000
Value US$6,180
3.3
Harrison Robert Gardner Chief Information Officer Officer
Transaction date
Planned sale
Price
2.97
Quantity 2,000 -2.4%
Value US$5,940
3.3
Harrison Robert Gardner Chief Information Officer Officer
Transaction date
Planned sale
Price
3.00
Quantity 2,000 -2.3%
Value US$6,000
3.7
Lindgardt Zhenya Officer; Director Executive Director
Transaction date
Proposed sale
Price
3.31
Quantity 4,155
Value US$13,741
3.5
Kearney Paul Officer Officer
Transaction date
Proposed sale
Price
3.31
Quantity 1,213
Value US$4,012
3.8
Jackson Benjamin Officer Officer
Transaction date
Proposed sale
Price
3.31
Quantity 892
Value US$2,950
3.2
Boniface John J. Officer Officer
Transaction date
Proposed sale
Price
3.31
Quantity 1,332
Value US$4,405
3.5
Aerts Austin Officer Officer
Transaction date
Proposed sale
Price
3.31
Quantity 873
Value US$2,887
3.5
Kearney Paul Chief Data Officer Officer
Transaction date
Sale
Price
3.31
Quantity 1,213 -0.7%
Value US$4,015
3.7
Lindgardt Zhenya Chief Executive Officer Executive Director
Transaction date
Sale
Price
3.31
Quantity 4,155 -0.5%
Value US$13,753
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-10-13 2026-10-12 S Sale

Chief Medical Officer

Officer
4,660 +17.6%
183.64
US$195,754
4,660 +17.6% 183.64 US$195,754
2026-10-13 2026-10-12 PrS Proposed sale

Officer

Officer
20,806
304.51
US$1,287,823
20,806 304.51 US$1,287,823
2026-09-11 2026-09-10 PrS Proposed sale

Officer

Officer
59,922
446.48
US$931,326
59,922 446.48 US$931,326
2026-09-11 2026-09-10 S Sale

Chief Commercial Officer

Officer
1,800 -2.3%
2.00
US$3,600
1,800 -2.3% 2.00 US$3,600
2026-09-11 2026-09-10 S Sale

General Counsel

Officer
2,190 -1.4%
2.00
US$4,380
2,190 -1.4% 2.00 US$4,380
2026-09-11 2026-09-10 PrS Proposed sale

Officer

Officer
1,509
2.00
US$3,018
1,509 2.00 US$3,018
2026-09-11 2026-09-10 PrS Proposed sale

Officer; Director

Executive Director
7,022
2.00
US$14,045
7,022 2.00 US$14,045
2026-09-11 2026-09-10 S Sale

Chief Medical Officer

Officer
486 -0.5%
2.00
US$972
486 -0.5% 2.00 US$972
2026-09-11 2026-09-10 PrS Proposed sale

Officer

Officer
486
2.00
US$972
486 2.00 US$972
2026-09-11 2026-09-10 S Sale

Chief Executive Officer

Executive Director
7,022 -0.8%
2.00
US$14,044
7,022 -0.8% 2.00 US$14,044
2026-09-11 2026-09-10 PrS Proposed sale

Officer

Officer
2,190
2.00
US$4,380
2,190 2.00 US$4,380
2026-09-09 2026-09-08 S Sale

Chief Executive Officer

Executive Director
20,139 -2.3%
2.00
US$40,278
20,139 -2.3% 2.00 US$40,278
2026-09-09 2026-09-08 PrS Proposed sale

Officer; Director

Executive Director
20,139
2.00
US$40,290
20,139 2.00 US$40,290
2026-09-09 2026-09-08 PrS Proposed sale

Officer

Officer
13,591
2.00
US$27,195
13,591 2.00 US$27,195
2026-06-15 2026-06-11 S Sale

General Counsel

Officer
2,179 -1.3%
2.01
US$4,380
2,179 -1.3% 2.01 US$4,380
2026-06-15 2026-06-11 S Sale

Chief Commercial Officer

Officer
4,739 -5.7%
2.01
US$9,525
4,739 -5.7% 2.01 US$9,525
2026-06-15 2026-06-11 S Sale

Chief Medical Officer

Officer
362 -0.4%
2.01
US$728
362 -0.4% 2.01 US$728
2026-06-15 2026-06-11 S Sale

Chief Executive Officer

Executive Director
6,990 -0.8%
2.01
US$14,050
6,990 -0.8% 2.01 US$14,050
2026-06-15 2026-06-11 S Sale

Chief Financial Officer

Officer
2,037 -0.7%
2.01
US$4,094
2,037 -0.7% 2.01 US$4,094
2026-06-15 2026-06-11 PrS Proposed sale

Officer; Director

Executive Director
6,990
2.01
US$14,016
6,990 2.01 US$14,016
2026-06-15 2026-06-11 PrS Proposed sale

Officer

Officer
2,037
2.01
US$4,085
2,037 2.01 US$4,085
2026-06-15 2026-06-11 PrS Proposed sale

Officer

Officer
4,739
2.01
US$9,503
4,739 2.01 US$9,503
2026-06-15 2026-06-11 PrS Proposed sale

Officer

Officer
362
2.01
US$726
362 2.01 US$726
2026-06-15 2026-06-11 PrS Proposed sale

Officer

Officer
2,179
2.01
US$4,369
2,179 2.01 US$4,369
2026-06-10 2026-06-09 S Sale

Chief Executive Officer

Executive Director
20,755 -2.3%
2.08
US$43,170
20,755 -2.3% 2.08 US$43,170
2026-06-10 2026-06-09 S Sale

Chief Financial Officer

Officer
5,440 -1.8%
2.08
US$11,315
5,440 -1.8% 2.08 US$11,315
2026-06-10 2026-06-09 PrS Proposed sale

Officer; Director

Executive Director
20,755
2.08
US$43,204
20,755 2.08 US$43,204
2026-06-10 2026-06-09 PrS Proposed sale

Officer

Officer
5,440
2.08
US$11,324
5,440 2.08 US$11,324
2026-06-09 2026-06-08 PlS Planned sale Non-Executive Director
1,560 -8.7%
2.15
US$3,354
1,560 -8.7% 2.15 US$3,354
2026-06-08 2026-06-08 PrS Proposed sale

Director

Non-Executive Director
1,560
2.29
US$3,572
1,560 2.29 US$3,572
2026-05-12 2026-05-12 PrS Proposed sale

Officer

Officer
6,765
1.71
US$11,561
6,765 1.71 US$11,561
2026-04-21 2026-04-21 PrS Proposed sale

Officer

Officer
2,000
2.29
US$4,580
2,000 2.29 US$4,580
2026-03-24 2026-03-24 PrS Proposed sale

Officer

Officer
2,000
1.82
US$3,640
2,000 1.82 US$3,640
2026-03-12 2026-03-11 S Sale

Chief Executive Officer

Executive Director
2,973 -0.4%
2.04
US$6,065
2,973 -0.4% 2.04 US$6,065
2026-03-12 2026-03-11 S Sale

Chief Data Officer

Officer
1,396 -0.8%
2.04
US$2,848
1,396 -0.8% 2.04 US$2,848
2026-03-12 2026-03-11 S Sale

General Counsel

Officer
1,027 -0.9%
2.04
US$2,095
1,027 -0.9% 2.04 US$2,095
2026-03-12 2026-03-11 S Sale

Chief Information Officer

Officer
716 -0.9%
2.04
US$1,461
716 -0.9% 2.04 US$1,461
2026-03-12 2026-03-11 S Sale

Chief Financial Officer

Officer
1,019 -0.4%
2.04
US$2,079
1,019 -0.4% 2.04 US$2,079
2026-03-12 2026-03-11 S Sale

Chief Scientific Officer

Officer
1,517 -1.0%
2.04
US$3,095
1,517 -1.0% 2.04 US$3,095
2026-03-12 2026-03-11 PrS Proposed sale

Officer; Director

Executive Director
2,973
2.04
US$6,068
2,973 2.04 US$6,068
2026-03-12 2026-03-11 PrS Proposed sale

Officer

Officer
1,396
2.04
US$2,850
1,396 2.04 US$2,850
2026-03-12 2026-03-11 PrS Proposed sale

Officer

Officer
1,027
2.04
US$2,096
1,027 2.04 US$2,096
2026-03-12 2026-03-11 PrS Proposed sale

Officer

Officer
1,517
2.04
US$3,097
1,517 2.04 US$3,097
2026-03-12 2026-03-11 PrS Proposed sale

Officer

Officer
716
2.04
US$1,462
716 2.04 US$1,462
2026-03-12 2026-03-11 PrS Proposed sale

Officer

Officer
1,019
2.04
US$2,080
1,019 2.04 US$2,080
2026-03-12 2026-03-10 S Sale

Chief Executive Officer

Executive Director
22,639 -3.0%
1.90
US$43,014
22,639 -3.0% 1.90 US$43,014
2026-03-12 2026-03-10 S Sale

Chief Financial Officer

Officer
6,069 -2.2%
1.90
US$11,531
6,069 -2.2% 1.90 US$11,531
2026-03-12 2026-03-10 PrS Proposed sale

Officer; Director

Executive Director
22,639
1.90
US$43,028
22,639 1.90 US$43,028
2026-03-12 2026-03-10 PrS Proposed sale

Officer

Officer
6,069
1.90
US$11,535
6,069 1.90 US$11,535
2026-03-10 2026-03-09 PrS Proposed sale

Officer

Officer
3,119
1.96
US$6,123
3,119 1.96 US$6,123
2026-03-10 2026-03-09 PrS Proposed sale

Officer

Officer
3,360
1.96
US$6,596
3,360 1.96 US$6,596
2026-03-10 2026-03-09 PrS Proposed sale

Officer

Officer
2,026
1.96
US$3,977
2,026 1.96 US$3,977
2026-03-10 2026-03-09 PrS Proposed sale

Officer

Officer
674
1.96
US$1,323
674 1.96 US$1,323
2026-03-10 2026-03-09 PrS Proposed sale

Officer

Officer
3,038
1.96
US$5,964
3,038 1.96 US$5,964
2026-03-10 2026-03-09 S Sale

Chief Financial Officer

Officer
674 -0.2%
1.96
US$1,321
674 -0.2% 1.96 US$1,321
2026-03-10 2026-03-09 S Sale

Chief Data Officer

Officer
2,026 -1.2%
1.96
US$3,971
2,026 -1.2% 1.96 US$3,971
2026-03-10 2026-03-09 S Sale

General Counsel

Officer
3,119 -2.6%
1.96
US$6,113
3,119 -2.6% 1.96 US$6,113
2026-03-10 2026-03-09 S Sale

Chief Scientific Officer

Officer
3,038 -2.0%
1.96
US$5,954
3,038 -2.0% 1.96 US$5,954
2026-03-10 2026-03-09 S Sale

Chief Information Officer

Officer
3,360 -4.2%
1.96
US$6,586
3,360 -4.2% 1.96 US$6,586
2026-03-06 2026-03-06 PlS Planned sale Non-Executive Director
1,560 -8.0%
1.95
US$3,042
1,560 -8.0% 1.95 US$3,042
2026-03-06 2026-03-06 PrS Proposed sale

Director

Non-Executive Director
1,560
2.00
US$3,120
1,560 2.00 US$3,120
2026-02-24 2026-02-24 PlS Planned sale

Chief Information Officer

Officer
2,000 -2.4%
2.34
US$4,680
2,000 -2.4% 2.34 US$4,680
2026-02-24 2026-02-24 PrS Proposed sale

Officer

Officer
2,000
2.45
US$4,900
2,000 2.45 US$4,900
2026-01-27 2026-01-27 PrS Proposed sale

Officer

Officer
2,000
3.09
US$6,180
2,000 3.09 US$6,180
2026-01-27 2026-01-27 PlS Planned sale

Chief Information Officer

Officer
2,000 -2.4%
2.97
US$5,940
2,000 -2.4% 2.97 US$5,940
2025-12-30 2025-12-30 PrS Proposed sale

Officer

Officer
2,000
3.27
US$6,540
2,000 3.27 US$6,540
2025-12-30 2025-12-30 PlS Planned sale

Chief Information Officer

Officer
2,000 -2.3%
3.00
US$6,000
2,000 -2.3% 3.00 US$6,000
2025-12-11 2025-12-10 PrS Proposed sale

Officer; Director

Executive Director
4,155
3.31
US$13,741
4,155 3.31 US$13,741
2025-12-11 2025-12-10 PrS Proposed sale

Officer

Officer
1,213
3.31
US$4,012
1,213 3.31 US$4,012
2025-12-11 2025-12-10 PrS Proposed sale

Officer

Officer
892
3.31
US$2,950
892 3.31 US$2,950
2025-12-11 2025-12-10 PrS Proposed sale

Officer

Officer
616
3.31
US$2,037
616 3.31 US$2,037
2025-12-11 2025-12-10 PrS Proposed sale

Officer

Officer
1,332
3.31
US$4,405
1,332 3.31 US$4,405
2025-12-11 2025-12-10 PrS Proposed sale

Officer

Officer
873
3.31
US$2,887
873 3.31 US$2,887
2025-12-11 2025-12-10 S Sale

Chief Data Officer

Officer
1,213 -0.7%
3.31
US$4,015
1,213 -0.7% 3.31 US$4,015
2025-12-11 2025-12-10 S Sale

Chief Executive Officer

Executive Director
4,155 -0.5%
3.31
US$13,753
4,155 -0.5% 3.31 US$13,753