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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
2026-11-02 Endweiss Charles VP Financial Planning Analysis Grant or award +35,000 142,641
2026-11-02 Endweiss Charles VP Financial Planning Analysis Grant or award · Employee Stock Option (right to buy) +65,000 65,000
2026-08-18 Horn David R. PRESIDENT & CFO Sale −7,309 $2.03 $15K 486,650
2026-07-28 Gulyani Meeta Director Grant or award +16,500 124,043
2026-07-28 Gulyani Meeta Director Grant or award · Stock Option (right to buy) +25,000 25,000
2026-07-28 Ro Isaac Director Grant or award +12,375 53,375
2026-07-28 Ro Isaac Director Grant or award · Stock Option (right to buy) +18,750 18,750
2026-07-28 Nishar Dipchand Director Grant or award +16,500 75,544
2026-07-28 Nishar Dipchand Director Grant or award · Stock Option (right to buy) +25,000 25,000
2026-07-28 Roelofs Nicolas H PHD Director Grant or award +16,500 91,496
2026-07-28 Roelofs Nicolas H PHD Director Grant or award · Stock Option (right to buy) +25,000 25,000
2026-07-28 LANGER ROBERT Director Grant or award +16,500 821,025
2026-07-28 LANGER ROBERT Director Grant or award · Stock Option (right to buy) +25,000 25,000
2026-07-28 MCGUIRE TERRANCE Director Grant or award +16,500 128,566
2026-07-28 MCGUIRE TERRANCE Director Grant or award · Stock Option (right to buy) +25,000 25,000
2026-07-08 Nishar Dipchand Director Sale 10b5-1 −10,660 $2.18 $23K 59,044
2026-05-20 Horn David R. PRESIDENT & CFO Sale −7,303 $1.69 $12K 493,959
2026-05-08 Bazarko Anthony R. Chief Commercial Officer Grant or award +75,000 75,000
2026-05-08 Bazarko Anthony R. Chief Commercial Officer Grant or award · Employee Stock Option (right to buy) +225,000 225,000
2026-02-18 Horn David R. PRESIDENT & CFO Sale −7,743 $1.99 $15K 501,262

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