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CIK 0001726445 · Non-accelerated filer<br>Smaller reporting company

Ticker
SEER
Exchange
Nasdaq
Industry
Laboratory Analytical Instruments
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
821153150
Phone
650-453-0000
Business address
3800 BRIDGE PARKWAY, SUITE 102, REDWOOD CITY, CA, 94065
Former names
Seer Biosciences, Inc.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$14,809
in 1 filing

Net −$14,809. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Horn David R. −$15K PRESIDENT & CFO sold 1% of stake

Reading 40 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-02-18 Farokhzad Omid CEO AND CHAIR Sale −24,385 $1.99 $49K 3,349,064
2026-02-03 Horn David R. PRESIDENT & CFO Grant or award +79,000 509,005
2026-02-03 Horn David R. PRESIDENT & CFO Grant or award · Employee Stock Option (right to buy) +119,000 119,000
2026-02-03 Farokhzad Omid CEO AND CHAIR Grant or award +697,162 3,373,449
2026-02-03 Farokhzad Omid CEO AND CHAIR Grant or award · Employee Stock Option (right to buy) +512,000 512,000
2025-12-09 Farokhzad Omid CEO AND CHAIR Conversion +1,438,057 2,676,287
2025-12-09 Farokhzad Omid CEO AND CHAIR Conversion +2,117,138 2,117,138
2025-12-09 Farokhzad Omid CEO AND CHAIR Conversion · Class B Common Stock −1,438,057 0
2025-12-09 Farokhzad Omid CEO AND CHAIR Conversion · Class B Common Stock −2,117,138 0
2025-12-09 MCGUIRE TERRANCE Director Conversion +4,088 215,070
2025-12-09 MCGUIRE TERRANCE Director Conversion · Class B Common Stock −4,088 0
2025-11-19 Horn David R. PRESIDENT & CFO Sale −6,797 $1.97 $13K 436,802
2025-11-19 Farokhzad Omid CEO AND CHAIR Sale −33,838 $1.97 $67K 1,238,230
2025-09-02 Ro Isaac Director Grant or award +41,000 41,000
2025-09-02 Ro Isaac Director Grant or award · Stock Option (right to buy) +61,000 61,000
2025-08-20 Horn David R. PRESIDENT & CFO Sale −6,827 $2.04 $14K 436,802
2025-08-20 Farokhzad Omid CEO AND CHAIR Sale −33,992 $2.04 $69K 1,272,068
2025-07-07 Roelofs Nicolas H PHD Director Grant or award +17,083 74,996
2025-07-07 Roelofs Nicolas H PHD Director Grant or award · Stock Option (right to buy) +25,416 25,416
2025-07-07 Nishar Dipchand Director Grant or award +20,500 69,704

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