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ALMR · Alamar Biosciences, Inc.
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ALMR Alamar Biosciences (ALMR) Insider Trading, Ownership & Congress Trades

Medical Devices · Laboratory analytical instruments · CIK 0002104204
Quote by TradingView
Form 144 · 4
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
88
13F, latest reported quarter

What the filings say about ALMR

Insiders, 180 days
-$21.0M net sold
1 seller · 0% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$56.4M
4 notices

Alamar Biosciences insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, Alamar Biosciences, Inc. insiders sold a net $21.0M of stock across 74 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
Qiming Corporate GP VI, Ltd.
SELL
2026-10-27 SECtraded 2026-10-26
2,313
$70.6K
n/a
Context
  • 64 earlier Form 4 trades (code P or S) here by this insider (64 sales), the last on Oct 23, 2026.
  • The trade is 1.4% of the 167,440 shares held after it.
  • No other insider sold within 30 days.
  • 88 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Qiming Corporate GP VI, Ltd. sold about $70.6K of ALMR on Oct 26, 2026; 88 funds added in the latest 13F quarter.
Qiming Corporate GP VI, Ltd.
SELL
2026-10-27 SECtraded 2026-10-26
2
$62
n/a
Context
  • 64 earlier Form 4 trades (code P or S) here by this insider (64 sales), the last on Oct 23, 2026.
  • The trade is 0.0% of the 167,438 shares held after it.
  • No other insider sold within 30 days.
  • 88 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Qiming Corporate GP VI, Ltd. sold about $62 of ALMR on Oct 26, 2026; 88 funds added in the latest 13F quarter.
Qiming Corporate GP VI, Ltd.
SELL
2026-10-27 SECtraded 2026-10-26
86,008
$2.6M
n/a
Context
  • 64 earlier Form 4 trades (code P or S) here by this insider (64 sales), the last on Oct 23, 2026.
  • The trade is 1.4% of the 6,222,686 shares held after it.
  • No other insider sold within 30 days.
  • 88 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Qiming Corporate GP VI, Ltd. sold about $2.6M of ALMR on Oct 26, 2026; 88 funds added in the latest 13F quarter.
Qiming Corporate GP VI, Ltd.
SELL
2026-10-27 SECtraded 2026-10-26
70
$2.2K
n/a
Context
  • 64 earlier Form 4 trades (code P or S) here by this insider (64 sales), the last on Oct 23, 2026.
  • The trade is 0.0% of the 6,222,616 shares held after it.
  • No other insider sold within 30 days.
  • 88 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Qiming Corporate GP VI, Ltd. sold about $2.2K of ALMR on Oct 26, 2026; 88 funds added in the latest 13F quarter.
Qiming Corporate GP VI, Ltd.
SELL
2026-10-27 SECtraded 2026-10-26
20,069
$612.5K
n/a
Context
  • 64 earlier Form 4 trades (code P or S) here by this insider (64 sales), the last on Oct 23, 2026.
  • The trade is 1.4% of the 1,451,945 shares held after it.
  • No other insider sold within 30 days.
  • 88 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Qiming Corporate GP VI, Ltd. sold about $612.5K of ALMR on Oct 26, 2026; 88 funds added in the latest 13F quarter.
74 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
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Showing the latest few. to see 69 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$21.0M over 180 days
-$21.0M over 90 days · -$21.0M of it by a 10%+ holder
below 93% of Medical Devices
Congress
no House purchase disclosed in the last 12 months
Funds
88 funds bought in last quarter
more than 61% of Medical Devices
Revenue
+82.1% year over year (latest quarter)
more than 90% of Medical Devices
Margin
-44.9% net margin (latest quarter)
below 66% of Medical Devices
Buybacks
no share repurchases reported
Short interest
6.8% of the float short (float per yahoo 2026-10-26) · 4.2 days to cover · settled 2026-09-30
more than 56% of Medical Devices
What changed in the last 30 days
Oct 27Insider Qiming Corporate GP VI, Ltd. sold $29.6M (72 trades, Oct 15 to Oct 26)
Oct 14Affiliate Qiming Venture Partners VI, L.P. filed to sell $36.7M by Oct 14 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.
Oct 14Affiliate Qiming Venture Partners VIII-HC, L.P. filed to sell $10.2M by Oct 14 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.
Oct 14Affiliate Qiming Venture Partners VIII Investments, LLC filed to sell $8.6M by Oct 14 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.
Oct 14Affiliate Qiming Managing Directors Fund VI, L.P. filed to sell $987.0K by Oct 14 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.

Watch ALMR

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+45.1%12M
-13%+16%+44%+73%2026-042026-052026-062026-072026-082026-092026-10 2026-04-20 · Illumina Innovation Fund II GP, L.L.C. bought $4.0M2026-04-20 · Naclerio Nicholas bought $4.0M2026-10-15 · Qiming Corporate GP VI, Ltd. sold $3.1M2026-10-21 · Qiming Corporate GP VI, Ltd. sold $2.7M2026-10-26 · Qiming Corporate GP VI, Ltd. sold $2.6M2026-10-20 · Qiming Corporate GP VI, Ltd. sold $2.0M2026-10-23 · Qiming Corporate GP VI, Ltd. sold $1.9M2026-10-22 · Qiming Corporate GP VI, Ltd. sold $1.3M2026-10-19 · Qiming Corporate GP VI, Ltd. sold $1.3M2026-10-22 · Qiming Corporate GP VI, Ltd. sold $1.1M2026-10-23 · Qiming Corporate GP VI, Ltd. sold $934.7K2026-10-15 · Qiming Corporate GP VI, Ltd. sold $870.6K2026-10-21 · Qiming Corporate GP VI, Ltd. sold $760.6K2026-10-21 · Qiming Corporate GP VI, Ltd. sold $749.0K2026-10-26 · Qiming Corporate GP VI, Ltd. sold $733.3K2026-10-15 · Qiming Corporate GP VI, Ltd. sold $727.2K2026-10-21 · Qiming Corporate GP VI, Ltd. sold $638.8K2026-10-21 · Qiming Corporate GP VI, Ltd. sold $635.3K2026-10-26 · Qiming Corporate GP VI, Ltd. sold $612.5K2026-10-20 · Qiming Corporate GP VI, Ltd. sold $564.7K2026-10-23 · Qiming Corporate GP VI, Ltd. sold $527.3K2026-10-20 · Qiming Corporate GP VI, Ltd. sold $471.7K2026-10-23 · Qiming Corporate GP VI, Ltd. sold $440.4K2026-10-22 · Qiming Corporate GP VI, Ltd. sold $375.0K2026-10-19 · Qiming Corporate GP VI, Ltd. sold $360.9K2026-10-20 · Qiming Corporate GP VI, Ltd. sold $354.0K2026-10-22 · Qiming Corporate GP VI, Ltd. sold $313.2K2026-10-22 · Qiming Corporate GP VI, Ltd. sold $305.3K2026-10-19 · Qiming Corporate GP VI, Ltd. sold $301.4K2026-10-23 · Qiming Corporate GP VI, Ltd. sold $261.1K2026-10-22 · Qiming Corporate GP VI, Ltd. sold $255.1K2026-10-23 · Qiming Corporate GP VI, Ltd. sold $218.1K2026-10-21 · Qiming Corporate GP VI, Ltd. sold $209.2K2026-10-20 · Qiming Corporate GP VI, Ltd. sold $197.5K2026-10-21 · Qiming Corporate GP VI, Ltd. sold $178.4K2026-10-21 · Qiming Corporate GP VI, Ltd. sold $174.8K2026-10-21 · Qiming Corporate GP VI, Ltd. sold $149.1K2026-10-23 · Qiming Corporate GP VI, Ltd. sold $116.7K2026-10-22 · Qiming Corporate GP VI, Ltd. sold $113.5K2026-10-20 · Qiming Corporate GP VI, Ltd. sold $98.9K2026-10-15 · Qiming Corporate GP VI, Ltd. sold $83.9K2026-10-20 · Qiming Corporate GP VI, Ltd. sold $82.6K2026-04-23 · Illumina Innovation Fund II GP, L.L.C. filed a 5%+ stake (8.8%)2026-04-23 · Illumina Innovation Fund II, L.P. filed a 5%+ stake (8.8%)2026-04-23 · Illumina Innovation Fund III GP, L.L.C. filed a 5%+ stake (0.8%)2026-04-23 · Illumina Innovation Fund III, L.P. filed a 5%+ stake (0.8%)2026-04-23 · Nicholas Naclerio filed a 5%+ stake (9.6%)2026-04-23 · Sands Capital Life Sciences Pulse Fund II, L.P. filed a 5%+ stake (6.3%)2026-04-23 · Sands Capital Alternatives, LLC filed a 5%+ stake (6.3%)2026-04-23 · SANDS FRANK M. filed a 5%+ stake (6.3%)2026-10-14 · Qiming Managing Directors Fund VI, L.P. filed to sell $987.0K2026-10-14 · Qiming Venture Partners VI, L.P. filed to sell $36.7M2026-10-14 · Qiming Venture Partners VIII Investments, LLC filed to sell $8.6M2026-10-14 · Qiming Venture Partners VIII-HC, L.P. filed to sell $10.2M
Insider buyInsider sell13D/G stakeForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns ALMR: institutional holders (13F)

13F holdings, latest reported quarter
Sands Capital Alternatives, LLC
4,230,926 sh
$114.6M
SAMSARA BIOCAPITAL, LLC
2,480,310 sh
$67.2M
ARK Investment Management LLC
1,373,959 sh
$37.2M
BRAIDWELL LP
1,083,983 sh
$29.4M
ALLIANCEBERNSTEIN L.P.
1,003,077 sh
$27.2M

Congress trades in ALMR

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

13D: intends to influence · 13G: passive
Illumina Innovation Fund II GP, L.L.C.
Activist 13D · 2026-04-23
8.8%
Illumina Innovation Fund II, L.P.
Activist 13D · 2026-04-23
8.8%
Illumina Innovation Fund III GP, L.L.C.
Activist 13D · 2026-04-23
0.8%
Illumina Innovation Fund III, L.P.
Activist 13D · 2026-04-23
0.8%
Nicholas Naclerio
Activist 13D · 2026-04-23
9.6%

ALMR planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
Qiming Managing Directors Fund VI, L.P.
Filed 2026-10-14
$987.0K
Qiming Venture Partners VI, L.P.
Filed 2026-10-14
$36.7M
Qiming Venture Partners VIII Investments, LLC
Filed 2026-10-14
$8.6M
Qiming Venture Partners VIII-HC, L.P.
Filed 2026-10-14
$10.2M

ALMR mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
ARK Genomic Revolution ETF
$24.3M position · as of 2026-07-31
1.6%
Lord Abbett Micro-Cap Growth Fund
$1.7M position · as of 2026-07-31
0.8%
Artisan Small Cap Fund
$5.2M position · as of 2026-06-30
0.5%
Emerald Growth Fund
$7.1M position · as of 2026-07-31
0.5%
AB Small Cap Growth Portfolio
$232.3K position · as of 2026-06-30
0.4%
AB Small Cap Growth Portfolio
$12.1M position · as of 2026-06-30
0.4%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $21.0M sold by insiders over 180 days, 88 funds added last quarter, $56.4M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
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Same sector, ranked by filing activity
Sector by SEC SIC code
PENBLFSMTDSIBNWRBYISRGTXGDXCMEWTMDXOMIRMD

ALMR financials

Revenue growth
+82.1%
XBRL, annual
Net margin
-44.9%

ALMR Stock Sonar score 4/7 axes

Find similar shapesCompare

ALMR ranks highest on growth (90th percentile) and institutional and government (61st), and lowest on insider conviction (3rd), among Medical Devices peers.

Growth
90
Inputs
  • Revenue growth, YoY+82.1% · 90 pct, sector of 219
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
3
Inputs
  • Net Form 4 buying (codes P and S), 180d-$21.0M · 6 pct, sector of 140
  • Insider buyers, 180d0 · 0 pct, sector of 142
Institutional and government
61
Inputs
  • Funds adding, latest quarter88 · 61 pct, sector of 191
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
35
Inputs
  • Short interest, % of float+6.8% · 35 pct, sector of 240
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-Kneeds two 10-Ks with a Risk Factors section (not 20-F filers or stubs)
3 not measured: Profitability, Financial health, US patents
  • Profitability needs 2 of 4 inputs, 0 present: fewer than four consecutive quarters of net income; fewer than four consecutive quarters of operating income
  • Financial health needs 1 of 2 inputs, 0 present: no debt line filed
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

4 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

ALMR filings, in plain words

Are Alamar Biosciences insiders buying or selling ALMR?

In the 180 days to 2026-10-28, Alamar Biosciences insiders were net sellers, a net $21.0M across purchases and sales reported on Form 4, by 1 seller.

Are there planned insider sales of ALMR?

Yes. 4 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-28, covering $56.4M of stock; the latest, by Qiming Managing Directors Fund VI, L.P., was filed 2026-10-14.

Read the full summary

In the 180 days to 2026-10-28, Alamar Biosciences insiders were net sellers of ALMR, a net $21.0M across purchases and sales reported on Form 4 by 1 seller. Most of that figure, $21.0M, came from a holder of 10% or more rather than an officer or director. None of the 72 insider sales was flagged as made under a Rule 10b5-1 plan. Insiders filed 4 Form 144 notices of intent to sell in the 90 days to 2026-10-28, covering $56.4M of stock. The latest 5% ownership filing is a 13D by Illumina Innovation Fund II GP, L.L.C., filed 2026-04-23, for 8.8% of the class. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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