Reporting owner · CIK 0001779964

Jackson Benjamin

Visual SEC Form 4 history across 1 companies, 9 transactions and 4 filings.

GCGeneral CounselSERA PROGNOSTICS, INC.
Open-market mix
Latest filingSep 11, 2026, 08:07 PM
Filings4Form 4 records
Buying$00 purchases
Selling$242.1K7 sales
Net value−$242.1KBuys minus sells
Companies12 securities
Most recentSep 10, 2026sale

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
530-3-54Jan 251Feb 251Mar 251Sep 26

Net value flow

Buys minus sells

Jan 25
−$201.1K
Feb 25
−$27.1K
Mar 25
−$9.5K
Sep 26
−$4.4K

Transaction texture

Ownership and ticket size

Average P/S size$34.6K
Median P/S size$27.1K
Direct9
Indirect0
Sep 10, 2026sale

Filing-only signals

Deterministic matches in this insider's history

Cluster Sellingpattern3Derivative Transactionfiling-context1Direct Ownershipfiling-context8Large Holdings Increaseholdings1Repeat Sellerpattern210b5-1 Detectedfiling-context4

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at SERA PROGNOSTICS, INC. on Sep 10, 2026 valued at $4,380.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Latest sale

sale at SERA PROGNOSTICS, INC. on Sep 10, 2026 valued at $4,380.

Review SEC filing

Associated companies

Visual map of known reporting history

SERASERA PROGNOSTICS, INC.9 transactions · latest Sep 11, 2026, 08:07 PM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
SERAJackson Benjamin
GC
sale2.19k-$438kS
Direct Ownership
0.0%09/1109/10
SERAJackson Benjamin
GC
grant49.4k$0A
Derivative Transaction Direct Ownership Large Holdings Increase
—03/08/202503/05/2025
SERAJackson Benjamin
GC
sale2.28k-$950kS
Direct Ownership
—03/08/202503/06/2025
SERAJackson Benjamin
GC
grant34.5k$0A
Direct Ownership
—03/08/202503/05/2025
SERAJackson Benjamin
GC
sale5.91k-$2.70MS
Cluster Selling Direct Ownership
—02/14/202502/13/2025
SERAJackson Benjamin
GC
sale10b5-18.40k-$5.21MS
Cluster Selling Direct Ownership Repeat Seller+1
—01/15/202501/14/2025
SERAJackson Benjamin
GC
sale10b5-17.91k-$5.04MS
Cluster Selling Direct Ownership Repeat Seller+1
—01/15/202501/13/2025
SERAJackson Benjamin
GC
sale10b5-11.23k-$990kS
Direct Ownership 10b5-1 Detected
—01/15/202501/10/2025
SERAJackson Benjamin
GC
sale10b5-112.0k-$8.86MS
Direct Ownership 10b5-1 Detected
—01/15/202501/10/2025

Jackson Benjamin Insider Activity FAQ

SEC Form 4 context

Who is Jackson Benjamin?

Jackson Benjamin is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001779964.

Which companies has Jackson Benjamin reported transactions for?

SERA PROGNOSTICS, INC.

When was Jackson Benjamin's latest insider buy?

No open-market insider purchase is available for this period.

When was Jackson Benjamin's latest insider sale?

sale at SERA PROGNOSTICS, INC. on Sep 10, 2026 valued at $4,380.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.