ODTX

Odyssey Therapeutics, Inc.

Healthcare Biological Products, (No Diagnostic Substances) Market cap: $869.9M All insider activity → Quote and statistics → Sign in to watch ODTX Sign in to set a price alert

AI summary Insiders and major shareholders buy shares in Odyssey Therapeutics' upsized $304 million initial public offering.

Insider Score Band below 60

Research score: 64
AI adjustment: -11

Research score, not a recommendation.

Total bought$75.3M9 Form 4 purchases

Distinct insiders7open-market buyers

Lead insiderHaas JasonCFO

Cluster window2026-05-08 → 2026-05-11active

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

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partial data Price history is incomplete; missing inputs count as neutral in the score.

Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders

100%

Seniority executive rank of buyers (CEO/CFO/Director)

73%

Commitment purchase size relative to company & holdings

64%

Context buying into stock weakness signals conviction

50%

Timing coordinated purchases within a tight window

100%

Routine-purchase discount × 1.00

Company-type / offering discount × 0.63

Net insider selling penalty − 0

Why are they buying?

AI · ipo_offering · catalyst credible · documented

The purchases occurred directly in connection with the closing of Odyssey Therapeutics' initial public offering on May 11, 2026, following the company's pricing of its upsized offering at $18.00 per share.

Form 4 filings explicitly note that directors, ten-percent owners, and related entities purchased shares directly in the issuer's initial public offering at the offering price.

Filing references and sources

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

9 Form 4 trades · 7 insiders Sign in to download CSV

Purchases in this cluster, grouped by insider, largest first
Date	Insider	Role	Shares	Price	Value	Flags	Filing
2026-05-11	COULTER JAMES G history of COULTER JAMES G's purchases	Other	1,388,889	$18.00	$25.0M	offering	SEC filing for COULTER JAMES G (opens in a new tab)
2026-05-08	Dimension Capital II, L.P. history of Dimension Capital II, L.P.'s purchases	Director	1,111,111	$18.00	$20.0M		SEC filing for Dimension Capital II, L.P. (opens in a new tab)
2026-05-11	Li Nan (LN) history of Li Nan (LN)'s purchases	Director	1,111,111	$18.00	$20.0M	offering	SEC filing for Li Nan (LN) (opens in a new tab)
2026-05-11	George Simeon history of George Simeon's purchases	10% owner	555,555	$18.00 avg	$10.0M	offering
2026-05-11	George Simeon		200,000	$18.00	$3.6M	offering	SEC filing for George Simeon (opens in a new tab)
2026-05-11	George Simeon		133,333	$18.00	$2.4M	offering	SEC filing for George Simeon (opens in a new tab)
2026-05-11	George Simeon		222,222	$18.00	$4.0M	offering	SEC filing for George Simeon (opens in a new tab)
2026-05-11	Chu Shelley history of Chu Shelley's purchases	Director	11,111	$18.00	$200.0K	offering	SEC filing for Chu Shelley (opens in a new tab)
2026-05-08	LEIDEN JEFFREY M history of LEIDEN JEFFREY M's purchases	Director	5,000	$20.00	$100.0K		SEC filing for LEIDEN JEFFREY M (opens in a new tab)
2026-05-08	Haas Jason history of Haas Jason's purchases	CFO	1,000	$20.00	$20.0K		SEC filing for Haas Jason (opens in a new tab)
Total					$75.3M

What happened next

A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.

After this run became a cluster: 21 days -4.7%63 days +17.4%126 days –