Stock Trading Canary

United States · SEC Form 4 · Snapshot date: 2026-10-19 · Built: 2026-10-19 · 中文

← United States · Coverage record

US · SEC FORM 4

Lyra Therapeutics, Inc.

LYRA · — · CIK 0001327273 · Healthcare · Biotechnology

INSIDER SIGNAL

No active buy signal

0 qualifying P purchase groups
in the current 180-day scoring window

1 Form 4 transaction lines observed in the same window
0 sales · 1 option, withholding, award, gift or other lines

Last qualifying purchase2023-11-10 · Waksal Harlan · $74.0K

WHY NO ACTIVE SIGNAL?

Purchase activityNone
Recent buyingNone
Recent salesNone
Buy signal statusInactive
Score anatomy

No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.

ClusterNot calculated
Purchase sizeNot calculated
RoleNot calculated
RecencyNot calculated
ConvictionNot calculated

Why is there no score?

  • No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
  • Sales and other Form 4 activity remain visible as context and do not create a negative score.

Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.

Purchase breadth, concentration & cluster buying

These modules activate when qualifying purchases enter the 180-day research window.

Insider activity timeline

Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.

AprMayJunJulAugSepOct
Smith W BradfordDirector
○
● Purchase▼ Sale○ Other

—

SIGNAL HISTORY

No recorded active-signal snapshot

Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2023-11-10 · Waksal Harlan.

Recent Form 4 activity

0Purchases
14Sales
3Other Form 4 lines
7SEC filings · 365 days
BUYING0 qualifying P line(s) · 180 days
SELLING0 sale line(s) · context only
OTHER1 exercise / withholding / award / gift / other lines
10b5-1 / PLANNEDNot assessed

P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.

Market context

Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.

Short interest

Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.

Shares short
4,882
Previous report
4,895
Avg daily volume
1,191
Days to cover
4.1

FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.

Historical equity purchases

Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.

Transaction dateReporting ownerTypeSecuritySharesAvg. priceApprox. valueSource
2023-11-10Waksal HarlanPurchase (P)Common Stock25,000USD 2.96USD 74,000SEC filing ↗
2023-05-31EDELMAN JOSEPH; PERCEPTIVE ADVISORS LLC; PERCEPTIVE LIFE SCIENCES MASTER FUND LTD; Perceptive LS (A), LLCPurchase (P)Common Stock3,610,832USD 2.49USD 8,990,972SEC filing ↗
2023-05-31DAMORE RICHARD A; NBVM GP, LLC; NORTH BRIDGE VENTURE PARTNERS V A LP; NORTH BRIDGE VENTURE PARTNERS V-B LP; North Bridge Venture Management V, L.P.; North Bridge Venture Management VI, L.P.; North Bridge Venture Partners VI L PPurchase (P)Common Stock1,805,416USD 2.43USD 4,387,161SEC filing ↗
2023-05-31ANDERSON EDWARD TPurchase (P)Common Stock1,805,416USD 2.43USD 4,387,161SEC filing ↗
2022-06-10MERRIFIELD C ANNPurchase (P)Common Stock4,000USD 5.05USD 20,200SEC filing ↗
2022-05-16MERRIFIELD C ANNPurchase (P)Common Stock328USD 5.00USD 1,640SEC filing ↗
2022-05-13MERRIFIELD C ANNPurchase (P)Common Stock3,500USD 4.81USD 16,835SEC filing ↗
2022-04-12EDELMAN JOSEPH; PERCEPTIVE ADVISORS LLC; PERCEPTIVE LIFE SCIENCES MASTER FUND LTD; Perceptive LS (A), LLCPurchase (P)Common Stock5,924,170USD 4.22USD 24,999,997SEC filing ↗
2022-04-12DAMORE RICHARD A; NBVM GP, LLC; NORTH BRIDGE VENTURE PARTNERS V A LP; NORTH BRIDGE VENTURE PARTNERS V-B LP; North Bridge Venture Management V, L.P.; North Bridge Venture Management VI, L.P.; North Bridge Venture Partners VI L PPurchase (P)Common Stock2,369,667USD 4.22USD 9,999,995SEC filing ↗
2022-04-12ANDERSON EDWARD TPurchase (P)Common Stock2,488,150USD 4.22USD 10,499,993SEC filing ↗
2022-04-12Waksal HarlanPurchase (P)Common Stock236,966USD 4.22USD 999,997SEC filing ↗
2021-06-17MERRIFIELD C ANNPurchase (P)Common Stock3,500USD 8.97USD 31,395SEC filing ↗
2020-12-16snyderman nancy lynn MDPurchase (P)Common Stock1,025USD 9.72USD 9,963SEC filing ↗
2020-05-05EDELMAN JOSEPH; PERCEPTIVE ADVISORS LLC; PERCEPTIVE LIFE SCIENCES MASTER FUND LTD; Perceptive LS (A), LLCPurchase (P)Common Stock625,000USD 16.00USD 10,000,000SEC filing ↗
2020-05-05Levy Guy; Soleus Capital Group, LLC; Soleus Capital Master Fund, L.P.; Soleus Capital, LLC; Soleus PE GP I, LLC; Soleus Private Equity Fund I, L.P.; Soleus Private Equity GP I, LLCPurchase (P)Common Stock155,000USD 16.00USD 2,480,000SEC filing ↗

Form 4 evidence

17 transaction lines in the latest 365-day window; 107 in local history.

DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-05-14Smith W BradfordD (D)Common Stock640USD 0.00USD 0SEC filing ↗
2026-04-01Palasis MariaD (D)Common Stock2,000USD 0.00USD 0SEC filing ↗
2026-04-01Cavalier JasonD (D)Common Stock667USD 0.00USD 0SEC filing ↗
Show recent Form 4 evidence (11 grouped rows)
DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-05-14Smith W BradfordD (D)Common Stock640USD 0.00USD 0SEC filing ↗
2026-04-01Palasis MariaD (D)Common Stock2,000USD 0.00USD 0SEC filing ↗
2026-04-01Cavalier JasonD (D)Common Stock667USD 0.00USD 0SEC filing ↗
2026-01-06Palasis MariaSale (S)Common Stock1,702USD 3.36USD 5,719SEC filing ↗
2026-01-06Cavalier JasonSale (S)Common Stock769USD 3.36USD 2,584SEC filing ↗
2025-11-13EDELMAN JOSEPH; PERCEPTIVE ADVISORS LLC; PERCEPTIVE LIFE SCIENCES MASTER FUND LTD; Perceptive LS (A), LLCSale (S)Common Stock31,810USD 3.90USD 124,059SEC filing ↗
2025-11-12EDELMAN JOSEPH; PERCEPTIVE ADVISORS LLC; PERCEPTIVE LIFE SCIENCES MASTER FUND LTD; Perceptive LS (A), LLCSale (S)Common Stock8,745USD 4.06USD 35,505SEC filing ↗
2025-11-11EDELMAN JOSEPH; PERCEPTIVE ADVISORS LLC; PERCEPTIVE LIFE SCIENCES MASTER FUND LTD; Perceptive LS (A), LLCSale (S)Common Stock5,320USD 4.31USD 22,929SEC filing ↗
2025-11-10EDELMAN JOSEPH; PERCEPTIVE ADVISORS LLC; PERCEPTIVE LIFE SCIENCES MASTER FUND LTD; Perceptive LS (A), LLCSale (S)Common Stock18,502USD 4.54USD 83,999SEC filing ↗
2025-11-07EDELMAN JOSEPH; PERCEPTIVE ADVISORS LLC; PERCEPTIVE LIFE SCIENCES MASTER FUND LTD; Perceptive LS (A), LLCSale (S)Common Stock19,739USD 4.75USD 93,760SEC filing ↗
2025-11-06EDELMAN JOSEPH; PERCEPTIVE ADVISORS LLC; PERCEPTIVE LIFE SCIENCES MASTER FUND LTD; Perceptive LS (A), LLCSale (S)Common Stock32,149USD 5.18USD 166,532SEC filing ↗

Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.

Snapshot & identity

Snapshot date2026-10-19
Ranking versionUS-v1.2
Data qualityPASS ELIGIBLE · —
TickerLYRA
CIK0001327273
SectorHealthcare
IndustryBiotechnology Yahoo Finance
SEC SIC3841 Surgical & Medical Instruments & Apparatus
Exchange—

Data coverage

Local Form 4 history107 transaction lines from 2020-05-01 to 2026-05-14
34 P purchase lines · 27 S sale lines · 46 other lines
SEC company submissionsOpen SEC filings ↗

Local ledger as of 2026-10-19. Mapping status is an audit field and does not erase SEC filing evidence.