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LTGO · Latigo Biotherapeutics, Inc.
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LTGO Latigo Biotherapeutics (LTGO) Insider Trading, Ownership & Congress Trades

Pharma & Biotech · Pharmaceutical preparations · CIK 0002056611
Activist 13D
Insider net, 180 days
$5.0M
Buys minus sells, Form 4 codes P and S
Insider buyers, 180 days
2
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
0
13F, latest reported quarter
Conversions, 180 days
30
Codes C/M, not in net · $0 priced

LTGO Stock Sonar score 2/7 axes

Find similar shapesCompare
Insider conviction
87
Inputs
  • Net open-market buying, 180d$5.0M · 94 pct, sector of 442
  • Insider buyers, 180d2 · 79 pct, sector of 449
Risk and compliance
63
Inputs
  • Short interest, % of float+3.8% · 63 pct, sector of 814
  • 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)
5 not measured: Profitability, Financial health, Growth, Institutional and government, 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
  • Growth needs 1 of 2 inputs, 0 present: no backlog line filed, or no year-earlier backlog; no revenue for this year and the year before
  • Institutional and government needs 1 of 4 inputs, 0 present: fewer than five funds report holding it; no Congress trades in 365 days; no federal contracts in 180 days; no lobbying filings in the last four quarters
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

2 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

What the filings say about LTGO

In the 180 days to 2026-10-12, Latigo Biotherapeutics insiders were net buyers of LTGO, a net $5.0M across purchases and sales reported on Form 4 by 2 buyers. Most of that figure, $5.0M, came from a holder of 10% or more rather than an officer or director. 2 different insiders reported purchases within the last 90 days, a cluster buy, which is rarer than a single purchase. 1 activist Schedule 13D filing in the last 180 days declared an intent to influence the company, the largest for 14.5% of the class. Each figure is counted from SEC and House filings as of 2026-10-12, dated the day the filing was made public.

LTGO filings FAQ

Are Latigo Biotherapeutics insiders buying or selling LTGO?

In the 180 days to 2026-10-12, Latigo Biotherapeutics insiders were net buyers, a net $5.0M across purchases and sales reported on Form 4, by 2 buyers.

Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net +$5.0M over 180 days
+$5.0M over 90 days · +$5.0M of it by a 10%+ holder
more than 94% of Pharma & Biotech
Congress
no Congress trades reported
Funds
under five funds report holding it
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
3.8% of the float short (float per yahoo 2026-10-09) · 1.6 days to cover · settled 2026-09-30
below 70% of Pharma & Biotech
The situation: each line is one rule over one dataset
Foresite Capital Fund VI LP disclosed a 5%+ stake (3.5%) in the last six months.
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch LTGO

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.
-12.3%12M
-19%-0%+18%+37%2026-082026-082026-082026-092026-092026-092026-10 2026-08-10 · Tananbaum James B. bought $2.5M2026-08-10 · Foresite Capital Management V, LLC bought $2.5M2026-08-17 · Foresite Capital Fund VI LP filed a 5%+ stake (3.5%)2026-08-17 · Foresite Capital Management VI, LLC filed a 5%+ stake (3.5%)2026-08-17 · Foresite Capital Fund V, L.P. filed a 5%+ stake (5.6%)2026-08-17 · Foresite Capital Management V, LLC filed a 5%+ stake (5.6%)2026-08-17 · Foresite Capital Opportunity Fund V, L.P. filed a 5%+ stake (5.4%)2026-08-17 · Foresite Capital Opportunity Management V, LLC filed a 5%+ stake (5.4%)2026-08-17 · James B. Tananbaum filed a 5%+ stake (14.5%)
Insider buy13D/G stake
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
An activist crossed the 5% line with declared intent.
The record shows a net $5.0M bought by insiders over 180 days. Each figure is a federal filing, dated the day it went public.
Same sector, ranked by filing activity
Sector by SEC SIC code

Latigo Biotherapeutics insider trades (Form 4)

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

Over the last 180 days, Latigo Biotherapeutics, Inc. insiders bought a net $5.0M of stock across 2 Form 4 purchases and sales, with 2 insider(s) buying. Source: SEC Form 4 filings, as of 2026-10-12.

Insider
Filed
Shares
Value
BUY
2026-08-10
140,000
$2.5M
Context
  • First open-market trade here by this insider on our record.
  • The trade is 7.0% of the 2,008,024 shares held after it.
  • 1 other insider bought within 30 days.
Insider activity: Director Tananbaum James B. bought about $2.5M of LTGO on the open market on Aug 10, 2026, the largest insider purchase at the company on our record; 1 other insider bought within 30 days.
BUY
2026-08-10
140,000
$2.5M
Context
  • First open-market trade here by this insider on our record.
  • The trade is 7.0% of the 2,008,024 shares held after it.
  • 1 other insider bought within 30 days.
Insider activity: Insider Foresite Capital Management V, LLC bought about $2.5M of LTGO on the open market on Aug 10, 2026, the largest insider purchase at the company on our record; 1 other insider bought within 30 days.
2 transactions on record · a thin record, read with care
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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Who owns LTGO: institutional holders (13F)

13F holdings, latest reported quarter
SEC 13F
No reported 13F holders

No fund above the reporting threshold listed this stock last quarter. That is a fact, not missing data.

Congress trades in LTGO

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
Foresite Capital Fund VI LP
Activist 13D · 2026-08-17
3.5%
Foresite Capital Management VI, LLC
Activist 13D · 2026-08-17
3.5%
Foresite Capital Fund V, L.P.
Activist 13D · 2026-08-17
5.6%
Foresite Capital Management V, LLC
Activist 13D · 2026-08-17
5.6%
Foresite Capital Opportunity Fund V, L.P.
Activist 13D · 2026-08-17
5.4%

LTGO planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
Clinical pipeline
8 registered trials, 1 still running (ClinicalTrials.gov). A status change is dated here weeks before the press release.
4
Phase 1
1 active
2
Phase 2
0 active
2
Early Phase 1
0 active
Matched by sponsor name. Trials run under a subsidiary's own name are not included.

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