SERA Sera Prognostics, Inc.

NASDAQ
$2.03

Sera Prognostics, Inc. (SERA) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with SERA's own trailing one-year pace, with 8% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 4 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
10
53 transactions
Purchases
$0
0 shares
Sales
$650.0K
264,221 shares
Net activity
-$650.0K
purchases less sales

How much of that selling was preplanned? 8% planned / 92% discretionary

10b5-1 plan sales $53.1K 10 transactions · 18,666 shares
Discretionary sales $596.9K 43 transactions · 245,555 shares

Largest single sale: $94.7K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Lindgardt Zhenya Chief Executive Officer Sell 7,022 $2.00 $14.0K 837,848 −0.8% of holding
Jackson Benjamin General Counsel Sell 2,190 $2.00 $4.4K 159,566 −1.4% of holding
Anderson Dyaarl Lee Jr. Chief Commercial Officer Sell 1,800 $2.00 $3.6K 76,198 −2.3% of holding
Inglis Tiffany Eul Davis Chief Medical Officer Sell 486 $2.00 $972 91,589 −0.5% of holding
Lindgardt Zhenya Chief Executive Officer Sell 20,139 $2.00 $40.3K 844,870 −2.3% of holding
Lindgardt Zhenya Chief Executive Officer Sell 6,990 $2.01 $14.0K 865,009 −0.8% of holding
Anderson Dyaarl Lee Jr. Chief Commercial Officer Sell 4,739 $2.01 $9.5K 77,998 −5.7% of holding
Jackson Benjamin General Counsel Sell 2,179 $2.01 $4.4K 161,756 −1.3% of holding
Aerts Austin Chief Financial Officer Sell 2,037 $2.01 $4.1K 301,190 −0.7% of holding
Inglis Tiffany Eul Davis Chief Medical Officer Sell 362 $2.01 $728 92,075 −0.4% of holding
Lindgardt Zhenya Chief Executive Officer Sell 20,755 $2.08 $43.2K 871,999 −2.3% of holding
Aerts Austin Chief Financial Officer Sell 5,440 $2.08 $11.3K 303,227 −1.8% of holding
Lawrence Sandra AJ Director Sell 10b5-1 1,560 $2.15 $3.4K 16,473 −8.7% of holding
Lindgardt Zhenya Chief Executive Officer Sell 2,973 $2.04 $6.1K 738,314 −0.4% of holding
Boniface John J. Chief Scientific Officer Sell 1,517 $2.04 $3.1K 145,842 −1% of holding
Kearney Paul Chief Data Officer Sell 1,396 $2.04 $2.8K 163,961 −0.8% of holding
Jackson Benjamin General Counsel Sell 1,027 $2.04 $2.1K 114,720 −0.9% of holding
Aerts Austin Chief Financial Officer Sell 1,019 $2.04 $2.1K 264,452 −0.4% of holding
Harrison Robert Gardner Chief Information Officer Sell 716 $2.04 $1.5K 76,712 −0.9% of holding
Lindgardt Zhenya Chief Executive Officer Sell 22,639 $1.90 $43.0K 741,287 −3% of holding
Aerts Austin Chief Financial Officer Sell 6,069 $1.90 $11.5K 265,471 −2.2% of holding
Harrison Robert Gardner Chief Information Officer Sell 3,360 $1.96 $6.6K 77,428 −4.2% of holding
Jackson Benjamin General Counsel Sell 3,119 $1.96 $6.1K 115,747 −2.6% of holding
Boniface John J. Chief Scientific Officer Sell 3,038 $1.96 $6.0K 147,359 −2% of holding
Kearney Paul Chief Data Officer Sell 2,026 $1.96 $4.0K 165,357 −1.2% of holding
Aerts Austin Chief Financial Officer Sell 674 $1.96 $1.3K 271,540 −0.2% of holding
Lawrence Sandra AJ Director Sell 10b5-1 1,560 $1.95 $3.0K 18,033 −8% of holding
Harrison Robert Gardner Chief Information Officer Sell 10b5-1 2,000 $2.34 $4.7K 80,788 −2.4% of holding
Harrison Robert Gardner Chief Information Officer Sell 10b5-1 2,000 $2.97 $5.9K 82,788 −2.4% of holding
Harrison Robert Gardner Chief Information Officer Sell 10b5-1 2,000 $3.00 $6.0K 84,788 −2.3% of holding
Lindgardt Zhenya Chief Executive Officer Sell 4,155 $3.31 $13.8K 763,926 −0.5% of holding
Boniface John J. Chief Scientific Officer Sell 1,332 $3.31 $4.4K 150,397 −0.9% of holding
Kearney Paul Chief Data Officer Sell 1,213 $3.31 $4.0K 167,383 −0.7% of holding
Jackson Benjamin General Counsel Sell 892 $3.31 $3.0K 118,866 −0.7% of holding
Aerts Austin Chief Financial Officer Sell 873 $3.31 $2.9K 272,214 −0.3% of holding
Harrison Robert Gardner Chief Information Officer Sell 616 $3.31 $2.0K 86,788 −0.7% of holding
Lindgardt Zhenya Chief Executive Officer Sell 28,215 $3.04 $85.8K 768,081 −3.5% of holding
Aerts Austin Chief Financial Officer Sell 5,232 $3.04 $15.9K 273,087 −1.9% of holding
Lawrence Sandra AJ Director Sell 10b5-1 1,560 $3.05 $4.8K 19,593 −7.4% of holding
Mirza Mansoor Raza Director Sell 292 $3.05 $891 57,740 −0.5% of holding
Kearney Paul Chief Data Officer Sell 32,203 $2.94 $94.7K 168,596 −16% of holding
Harrison Robert Gardner Chief Information Officer Sell 10b5-1 2,000 $2.93 $5.9K 87,404 −2.2% of holding
Kearney Paul Chief Data Officer Sell 10b5-1 1,986 $3.51 $7.0K 168,596 −1.2% of holding
Lindgardt Zhenya Chief Executive Officer Sell 11,594 $2.62 $30.4K 796,296 −1.4% of holding
Boniface John J. Chief Scientific Officer Sell 7,767 $2.62 $20.3K 151,726 −4.9% of holding
Kearney Paul Chief Data Officer Sell 7,073 $2.62 $18.5K 168,596 −4% of holding
Jackson Benjamin General Counsel Sell 7,059 $2.62 $18.5K 119,758 −5.6% of holding
Harrison Robert Gardner Chief Information Officer Sell 6,528 $2.62 $17.1K 89,404 −6.8% of holding
Aerts Austin Chief Financial Officer Sell 6,351 $2.62 $16.6K 278,319 −2.2% of holding
Mirza Mansoor Raza Director Sell 221 $3.04 $672 58,032 −0.4% of holding
Harrison Robert Gardner Chief Information Officer Sell 10b5-1 2,000 $3.07 $6.1K 95,932 −2% of holding
Harrison Robert Gardner Chief Information Officer Sell 10b5-1 2,000 $3.18 $6.4K 97,932 −2% of holding
Mirza Mansoor Raza Director Sell 227 $3.16 $717 58,253 −0.4% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.