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SERA PROGNOSTICS, INC.

SERA Net selling
CIK 0001534969 #4456 in the set updated 17 Sep 2026
Bought (120 mo)
$9.60K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$6.26M
$823.53K on a plan · $839.99K straight out of an exercise
Sold at will
$4.60M
160 of 213 sales
Net
−$6.25M
−$4.59M against sales at will

By person

23 insiders · 219 transactions
2.7×

Zhenya Lindgardt holds only 2.7 times base salary in stock. $1.68M of shares against $607.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Zhenya Lindgardt last reported holding, valued at $2.00, the price Class A Common Stock was last bought or sold at on the open market here, on 10 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Lindgardt Zhenya
Chief Executive Officer
—
$2.12M (25)
−$2.12M
837,848
1.7%
$1.68M
—
Boniface John J.
Chief Scientific Officer
—
$1.57M (46)
−$1.57M
145,842
0.289%
$291.68K
+1,148%
Aerts Austin
Chief Financial Officer
—
$642.87K (27)
−$642.87K
301,190
0.597%
$602.38K
+5,084%
Kearney Paul
Chief Data Officer
—
$579.32K (22)
−$579.32K
163,961
0.325%
$327.92K
—
Jackson Benjamin
General Counsel
$9.60K (1)
$547.46K (22)
−$537.86K
159,566
0.316%
$319.13K
+883.9%
Harrison Robert Gardner
Chief Information Officer
—
$515.91K (30)
−$515.91K
76,712
0.152%
$153.42K
+1,434%
Phillips Joshua
Director
—
$230.47K (16) scheduled
−$230.47K
2,919,205
5.8%
$5.84M
+0.6%
Lawrence Sandra AJ
Director
—
$23.05K (4) scheduled
−$23.05K
41,175
0.082%
$82.35K
+1,660%
Anderson Dyaarl Lee Jr.
Chief Commercial Officer
—
$13.13K (2)
−$13.13K
76,198
0.151%
$152.40K
—
Mirza Mansoor Raza
Director
—
$10.05K (17)
−$10.05K
81,937
0.162%
$163.87K
—
Inglis Tiffany Eul Davis
Chief Medical Officer
—
$1.70K (2)
−$1.70K
91,589
0.181%
$183.18K
—
Blue Ox Healthcare Partners, LLC entity
10% owner
—
—
—
3,841,894
7.6%
$7.68M
+7.2%
CRITCHFIELD GREGORY C
Director
—
—
—
846,886
1.7%
$1.69M
+29.7%
Trimble Ryan
Director
—
—
—
123,267
0.244%
$246.53K
+228.3%
Gleason Scott
Chief Financial Officer
—
—
—
117,924
0.234%
$235.85K
—
Kamdar Kim P.
Director
—
—
—
58,420
0.116%
$116.84K
+55.6%
Barlow Jane F
Director
—
—
—
47,088
0.093%
$94.18K
—
Capone Mark Christopher
Director
—
—
—
44,379
0.088%
$88.76K
—
MOYES JAY M
Chief Financial Officer
—
—
—
35,630
0.071%
$71.26K
—
Elliott Jeffrey Thomas
Director
—
—
—
30,534
0.060%
$61.07K
—
Foley Michael R
Chief Medical Officer
—
—
—
27,000
0.053%
$54.00K
—
Altomare Nadia
Chief Commercial Officer
—
—
—
18,300
0.036%
$36.60K
—
Wilson Marcus Dean
Director
—
—
—
7,117
0.014%
$14.23K
—

Individual transactions

160
Insider
Date
Role
Action
Shares
Price
Amount
Jackson Benjamin
10 Sep 2026
General Counsel
Sell
2,190
$2.00
$4.38K
Inglis Tiffany Eul Davis
10 Sep 2026
Chief Medical Officer
Sell
486
$2.00
$972.00
Lindgardt Zhenya
10 Sep 2026
Chief Executive Officer
Sell
7,022
$2.00
$14.04K
Anderson Dyaarl Lee Jr.
10 Sep 2026
Chief Commercial Officer
Sell
1,800
$2.00
$3.60K
Lindgardt Zhenya
8 Sep 2026
Chief Executive Officer
Sell
20,139
$2.00
$40.28K
Jackson Benjamin
11 Jun 2026
General Counsel
Sell
2,179
$2.01
$4.38K
Inglis Tiffany Eul Davis
11 Jun 2026
Chief Medical Officer
Sell
362
$2.01
$727.62
Lindgardt Zhenya
11 Jun 2026
Chief Executive Officer
Sell
6,990
$2.01
$14.05K
Aerts Austin
11 Jun 2026
Chief Financial Officer
Sell
2,037
$2.01
$4.09K
Anderson Dyaarl Lee Jr.
11 Jun 2026
Chief Commercial Officer
Sell
4,739
$2.01
$9.53K
Aerts Austin
9 Jun 2026
Chief Financial Officer
Sell
5,440
$2.08
$11.32K
Lindgardt Zhenya
9 Jun 2026
Chief Executive Officer
Sell
20,755
$2.08
$43.17K
Aerts Austin
11 Mar 2026
Chief Financial Officer
Sell
1,019
$2.04
$2.08K
Boniface John J.
11 Mar 2026
Chief Scientific Officer
Sell
1,517
$2.04
$3.09K
Harrison Robert Gardner
11 Mar 2026
Chief Information Officer
Sell
716
$2.04
$1.46K
Jackson Benjamin
11 Mar 2026
General Counsel
Sell
1,027
$2.04
$2.10K
Kearney Paul
11 Mar 2026
Chief Data Officer
Sell
1,396
$2.04
$2.85K
Lindgardt Zhenya
11 Mar 2026
Chief Executive Officer
Sell
2,973
$2.04
$6.06K
Aerts Austin
10 Mar 2026
Chief Financial Officer
Sell
6,069
$1.90
$11.53K
Lindgardt Zhenya
10 Mar 2026
Chief Executive Officer
Sell
22,639
$1.90
$43.01K
Aerts Austin
9 Mar 2026
Chief Financial Officer
Sell
674
$1.96
$1.32K
Boniface John J.
9 Mar 2026
Chief Scientific Officer
Sell
3,038
$1.96
$5.95K
Harrison Robert Gardner
9 Mar 2026
Chief Information Officer
Sell
3,360
$1.96
$6.59K
Jackson Benjamin
9 Mar 2026
General Counsel
Sell
3,119
$1.96
$6.11K
Kearney Paul
9 Mar 2026
Chief Data Officer
Sell
2,026
$1.96
$3.97K
Aerts Austin
10 Dec 2025
Chief Financial Officer
Sell
873
$3.31
$2.89K
Boniface John J.
10 Dec 2025
Chief Scientific Officer
Sell
1,332
$3.31
$4.41K
Harrison Robert Gardner
10 Dec 2025
Chief Information Officer
Sell
616
$3.31
$2.04K
Jackson Benjamin
10 Dec 2025
General Counsel
Sell
892
$3.31
$2.95K
Kearney Paul
10 Dec 2025
Chief Data Officer
Sell
1,213
$3.31
$4.02K
Lindgardt Zhenya
10 Dec 2025
Chief Executive Officer
Sell
4,155
$3.31
$13.75K
Aerts Austin
9 Dec 2025
Chief Financial Officer
Sell
5,232
$3.04
$15.91K
Lindgardt Zhenya
9 Dec 2025
Chief Executive Officer
Sell
28,215
$3.04
$85.77K
Mirza Mansoor Raza
5 Dec 2025
Director
Sell
292
$3.05
$890.60
Aerts Austin
10 Nov 2025
Chief Financial Officer
Sell
6,351
$2.62
$16.64K
Boniface John J.
10 Nov 2025
Chief Scientific Officer
Sell
7,767
$2.62
$20.35K
Harrison Robert Gardner
10 Nov 2025
Chief Information Officer
Sell
6,528
$2.62
$17.10K
Jackson Benjamin
10 Nov 2025
General Counsel
Sell
7,059
$2.62
$18.49K
Kearney Paul
10 Nov 2025
Chief Data Officer
Sell
7,073
$2.62
$18.53K
Lindgardt Zhenya
10 Nov 2025
Chief Executive Officer
Sell
11,594
$2.62
$30.38K
Mirza Mansoor Raza
5 Nov 2025
Director
Sell
221
$3.04
$671.84
Mirza Mansoor Raza
6 Oct 2025
Director
Sell
227
$3.16
$717.32
Aerts Austin
11 Sep 2025
Chief Financial Officer
Sell
915
$3.13
$2.86K
Boniface John J.
11 Sep 2025
Chief Scientific Officer
Sell
1,395
$3.13
$4.37K
Harrison Robert Gardner
11 Sep 2025
Chief Information Officer
Sell
645
$3.13
$2.02K
Jackson Benjamin
11 Sep 2025
General Counsel
Sell
934
$3.13
$2.92K
Kearney Paul
11 Sep 2025
Chief Data Officer
Sell
1,271
$3.13
$3.98K
Lindgardt Zhenya
11 Sep 2025
Chief Executive Officer
Sell
3,246
$3.13
$10.16K
Aerts Austin
9 Sep 2025
Chief Financial Officer
Sell
5,263
$3.15
$16.58K
Lindgardt Zhenya
9 Sep 2025
Chief Executive Officer
Sell
21,158
$3.15
$66.65K
Mirza Mansoor Raza
5 Sep 2025
Director
Sell
222
$3.35
$743.70
Aerts Austin
8 Aug 2025
Chief Financial Officer
Sell
5,800
$2.54
$14.73K
Boniface John J.
8 Aug 2025
Chief Scientific Officer
Sell
7,094
$2.54
$18.02K
Harrison Robert Gardner
8 Aug 2025
Chief Information Officer
Sell
5,962
$2.54
$15.14K
Jackson Benjamin
8 Aug 2025
General Counsel
Sell
6,447
$2.54
$16.38K
Kearney Paul
8 Aug 2025
Chief Data Officer
Sell
6,460
$2.54
$16.41K
Lindgardt Zhenya
8 Aug 2025
Chief Executive Officer
Sell
8,571
$2.54
$21.77K
Mirza Mansoor Raza
5 Aug 2025
Director
Sell
225
$2.50
$562.50
Mirza Mansoor Raza
7 Jul 2025
Director
Sell
234
$2.36
$552.24
Lindgardt Zhenya
10 Jun 2025
Chief Executive Officer
Sell
3,344
$1.48
$4.95K
Harrison Robert Gardner
10 Jun 2025
Chief Information Officer
Sell
667
$1.48
$987.16
Kearney Paul
10 Jun 2025
Chief Data Officer
Sell
1,311
$1.48
$1.94K
Aerts Austin
10 Jun 2025
Chief Financial Officer
Sell
945
$1.48
$1.40K
Boniface John J.
10 Jun 2025
Chief Scientific Officer
Sell
1,439
$1.48
$2.13K
Jackson Benjamin
10 Jun 2025
General Counsel
Sell
965
$1.48
$1.43K
Lindgardt Zhenya
9 Jun 2025
Chief Executive Officer
Sell
23,042
$1.43
$32.95K
Aerts Austin
9 Jun 2025
Chief Financial Officer
Sell
5,735
$1.43
$8.20K
Mirza Mansoor Raza
6 Jun 2025
Director
Sell
107
$1.58
$169.06
Aerts Austin
8 May 2025
Chief Financial Officer
Sell
6,374
$2.44
$15.55K
Boniface John J.
8 May 2025
Chief Scientific Officer
Sell
5,132
$2.44
$12.52K
Harrison Robert Gardner
8 May 2025
Chief Information Officer
Sell
6,551
$2.44
$15.98K
Jackson Benjamin
8 May 2025
General Counsel
Sell
7,084
$2.44
$17.28K
Kearney Paul
8 May 2025
Chief Data Officer
Sell
7,089
$2.44
$17.30K
Lindgardt Zhenya
8 May 2025
Chief Executive Officer
Sell
9,406
$2.44
$22.95K
Mirza Mansoor Raza
8 May 2025
Director
Sell
106
$2.44
$258.64
Mirza Mansoor Raza
7 Apr 2025
Director
Sell
107
$3.35
$358.45
Aerts Austin
7 Mar 2025
Chief Financial Officer
Sell
4,818
$4.12
$19.85K
Lindgardt Zhenya
7 Mar 2025
Chief Executive Officer
Sell
29,722
$4.12
$122.45K
Aerts Austin
6 Mar 2025
Chief Financial Officer
Sell
540
$4.16
$2.25K
Boniface John J.
6 Mar 2025
Chief Scientific Officer
Sell
2,044
$4.16
$8.50K
Harrison Robert Gardner
6 Mar 2025
Chief Information Officer
Sell
3,251
$4.16
$13.52K
Jackson Benjamin
6 Mar 2025
General Counsel
Sell
2,285
$4.16
$9.51K
Kearney Paul
6 Mar 2025
Chief Data Officer
Sell
1,338
$4.16
$5.57K
Mirza Mansoor Raza
6 Mar 2025
Director
Sell
99
$4.16
$411.84
Jackson Benjamin
13 Feb 2025
General Counsel
Sell
5,915
$4.58
$27.09K
Aerts Austin
12 Feb 2025
Chief Financial Officer
Sell
5,915
$4.58
$27.09K
Boniface John J.
12 Feb 2025
Chief Scientific Officer
Sell
5,915
$4.58
$27.09K
Harrison Robert Gardner
12 Feb 2025
Chief Information Officer
Sell
7,297
$4.58
$33.42K
Kearney Paul
12 Feb 2025
Chief Data Officer
Sell
5,342
$4.58
$24.47K
Lindgardt Zhenya
12 Feb 2025
Chief Executive Officer
Sell
14,075
$4.58
$64.46K
Mirza Mansoor Raza
12 Feb 2025
Director
Sell
101
$4.58
$462.58
Mirza Mansoor Raza
6 Jan 2025
Director
Sell
100
$7.69
$769.00
Aerts Austin
10 Dec 2024
Chief Financial Officer
Sell
5,730
$7.41
$42.46K
Lindgardt Zhenya
10 Dec 2024
Chief Executive Officer
Sell
26,224
$7.41
$194.32K
Mirza Mansoor Raza
6 Dec 2024
Director
Sell
93
$7.12
$662.16
Aerts Austin
11 Nov 2024
Chief Financial Officer
Sell
7,179
$7.32
$52.55K
Boniface John J.
11 Nov 2024
Chief Scientific Officer
Sell
4,727
$7.32
$34.60K
Harrison Robert Gardner
11 Nov 2024
Chief Information Officer
Sell
4,727
$7.32
$34.60K
Jackson Benjamin
11 Nov 2024
General Counsel
Sell
4,727
$7.32
$34.60K
Kearney Paul
11 Nov 2024
Chief Data Officer
Sell
4,078
$7.32
$29.85K
Lindgardt Zhenya
11 Nov 2024
Chief Executive Officer
Sell
12,075
$7.32
$88.39K
Mirza Mansoor Raza
11 Nov 2024
Director
Sell
95
$7.32
$695.40
Mirza Mansoor Raza
7 Oct 2024
Director
Sell
96
$7.15
$686.40
Lindgardt Zhenya
10 Sep 2024
Chief Executive Officer
Sell
25,085
$7.57
$189.89K
Aerts Austin
10 Sep 2024
Chief Financial Officer
Sell
5,056
$7.57
$38.27K
Mirza Mansoor Raza
6 Sep 2024
Director
Sell
96
$7.16
$687.36
Aerts Austin
7 Aug 2024
Chief Financial Officer
Sell
6,760
$7.42
$50.16K
Jackson Benjamin
7 Aug 2024
General Counsel
Sell
5,022
$7.42
$37.26K
Mirza Mansoor Raza
7 Aug 2024
Director
Sell
101
$7.42
$749.42
Lindgardt Zhenya
7 Aug 2024
Chief Executive Officer
Sell
12,327
$7.42
$91.47K
Kearney Paul
7 Aug 2024
Chief Data Officer
Sell
4,333
$7.42
$32.15K
Harrison Robert Gardner
7 Aug 2024
Chief Information Officer
Sell
5,022
$7.42
$37.26K
Boniface John J.
7 Aug 2024
Chief Scientific Officer
Sell
5,022
$7.42
$37.26K
Aerts Austin
10 Jun 2024
Chief Financial Officer
Sell
5,415
$8.11
$43.92K
Lindgardt Zhenya
10 Jun 2024
Chief Executive Officer
Sell
26,867
$8.11
$217.89K
Kearney Paul
15 May 2024
Chief Data Officer
Sell
10,387
$8.24
$85.59K
Harrison Robert Gardner
8 May 2024
Chief Information Officer
Sell
4,902
$9.59
$47.01K
Lindgardt Zhenya
8 May 2024
Chief Executive Officer
Sell
11,992
$9.59
$115.00K
Aerts Austin
8 May 2024
Chief Financial Officer
Sell
6,592
$9.59
$63.22K
Jackson Benjamin
8 May 2024
General Counsel
Sell
4,902
$9.59
$47.01K
Boniface John J.
8 May 2024
Chief Scientific Officer
Sell
4,902
$9.59
$47.01K
Kearney Paul
8 May 2024
Chief Data Officer
Sell
4,205
$9.59
$40.33K
Boniface John J.
26 Mar 2024
Chief Scientific Officer
Sell
21,438
$9.55
$204.73K
Aerts Austin
26 Mar 2024
Chief Financial Officer
Sell
8,092
$9.37
$75.82K
Lindgardt Zhenya
26 Mar 2024
Chief Executive Officer
Sell
38,899
$9.37
$364.48K
Boniface John J.
25 Mar 2024
Chief Scientific Officer
Sell
22,163
$9.10
$201.68K
Jackson Benjamin
6 Mar 2024
General Counsel
Sell
1,856
$9.02
$16.74K
Harrison Robert Gardner
6 Mar 2024
Chief Information Officer
Sell
2,138
$9.02
$19.28K
Kearney Paul
6 Mar 2024
Chief Data Officer
Sell
1,028
$9.02
$9.27K
Aerts Austin
6 Mar 2024
Chief Financial Officer
Sell
444
$9.02
$4.00K
Boniface John J.
6 Mar 2024
Chief Scientific Officer
Sell
1,664
$9.02
$15.01K
Aerts Austin
6 Feb 2024
Chief Financial Officer
Sell
9,786
$8.03
$78.58K
Lindgardt Zhenya
6 Feb 2024
Chief Executive Officer
Sell
27,997
$8.03
$224.82K
Harrison Robert Gardner
6 Feb 2024
Chief Information Officer
Sell
5,665
$8.03
$45.49K
Kearney Paul
6 Feb 2024
Chief Data Officer
Sell
4,984
$8.03
$40.02K
Boniface John J.
6 Feb 2024
Chief Scientific Officer
Sell
5,665
$8.03
$45.49K
Jackson Benjamin
6 Feb 2024
General Counsel
Sell
5,665
$8.03
$45.49K
Boniface John J.
7 Dec 2023
Chief Scientific Officer
Sell
5,000
$4.80
$24.00K
Jackson Benjamin
7 Dec 2023
General Counsel
Sell
10,000
$5.22
$52.20K
Harrison Robert Gardner
5 Jun 2023
Chief Information Officer
Sell
5,000
$3.23
$16.15K
Boniface John J.
26 Jul 2022
Chief Scientific Officer
Sell
2,725
$2.15
$5.86K
Boniface John J.
19 Jul 2022
Chief Scientific Officer
Sell
2,725
$1.86
$5.07K
Boniface John J.
12 Jul 2022
Chief Scientific Officer
Sell
2,725
$1.84
$5.01K
Boniface John J.
5 Jul 2022
Chief Scientific Officer
Sell
2,725
$1.63
$4.44K
Boniface John J.
28 Jun 2022
Chief Scientific Officer
Sell
2,725
$1.89
$5.15K
Boniface John J.
21 Jun 2022
Chief Scientific Officer
Sell
2,725
$1.31
$3.57K
Boniface John J.
14 Jun 2022
Chief Scientific Officer
Sell
2,725
$1.21
$3.30K
Boniface John J.
7 Jun 2022
Chief Scientific Officer
Sell
2,725
$1.30
$3.54K
Boniface John J.
31 May 2022
Chief Scientific Officer
Sell
2,725
$1.45
$3.95K
Boniface John J.
24 May 2022
Chief Scientific Officer
Sell
2,725
$1.54
$4.20K
Boniface John J.
17 May 2022
Chief Scientific Officer
Sell
2,725
$1.55
$4.22K
Boniface John J.
10 May 2022
Chief Scientific Officer
Sell
2,725
$1.97
$5.37K
Boniface John J.
3 May 2022
Chief Scientific Officer
Sell
2,725
$2.17
$5.91K
Boniface John J.
26 Apr 2022
Chief Scientific Officer
Sell
2,725
$2.17
$5.91K
Boniface John J.
19 Apr 2022
Chief Scientific Officer
Sell
2,725
$2.08
$5.67K
Boniface John J.
12 Apr 2022
Chief Scientific Officer
Sell
2,725
$2.66
$7.25K
Boniface John J.
5 Apr 2022
Chief Scientific Officer
Sell
2,725
$3.35
$9.13K
Boniface John J.
29 Mar 2022
Chief Scientific Officer
Sell
2,725
$3.73
$10.16K
Boniface John J.
22 Mar 2022
Chief Scientific Officer
Sell
2,725
$3.68
$10.03K
Boniface John J.
14 Mar 2022
Chief Scientific Officer
Sell
2,725
$3.94
$10.74K
Show all 219 transactions →

What was left out

Form 4 filings counted 282
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 2
Sales on a Rule 10b5-1 plan 43
Sales straight out of an exercise 10
Sales at will 160
Transactions with no price 0
Shares from compensation/vesting 13,000,720
Sales filed before the plan box existed 20
History held since 21 Jul 2021