$SYRE

HENDERSON MICHAEL THOMAS sold $2.0M of SYRE

HENDERSON MICHAEL THOMAS sold 20,000 shares of Spyre Therapeutics, Inc. (SYRE) at $100.00 ($2.00M total) on 2026-06-22 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · HENDERSON MICHAEL THOMAS
Published Jun 24, 2026, 1:32 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 24, 2026, 2:01 AM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$SYRE
Neutral
medium confidence
Mentioned
$SYRE
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$SYRENeutralLow
01

Why it matters

A director’s open-market sale of 20,000 shares at $100/share is disclosed, with a stated pre-arranged 10b5-1 plan.

02

Market read

Traders may monitor for follow-on insider activity, but this specific filing is unlikely to be a primary driver without additional company catalysts.

03

What to watch

Check for other insider transactions around the same period and whether there are concurrent corporate events (financing, trial updates) that could dominate price action.

Relevance 5/10Novelty 4/10Timing: latest SEC Form 4 filed 2026-06-23 (sale dated 2026-06-22)

Background

The article is an SEC Form 4 insider transaction disclosure for Spyre Therapeutics, Inc. (SYRE).

Company-level read

Ticker impact

$SYRENeutralMedium confidence
Context

Spyre Therapeutics director HENDERSON MICHAEL THOMAS filed a Form 4 selling 20,000 shares at $100/share under a 10b5-1 plan.

Expected impact

Low likelihood of a sustained price move solely from this filing; any impact would be sentiment-driven and short-lived.

Evidence & confidence

The transaction is an open-market sale by a director and explicitly states a pre-arranged 10b5-1 plan, which reduces interpretive value versus discretionary selling.

Market effects

No sector read-across; this is company-specific insider transaction disclosure.

None.

None.

Counterpoint

Because it’s a 10b5-1 plan, the sale may reflect scheduled liquidity needs rather than bearish fundamentals; traders may ignore it unless paired with other negative catalysts.

Key entities

  • Spyre Therapeutics, Inc.

    Subject of the Form 4 insider transaction; director sold shares under a 10b5-1 plan.

  • HENDERSON MICHAEL THOMAS

    Director who reported the sale of 20,000 shares.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

Related articles

$SYREMedAI 9/10

Spyre (SYRE) Clears Monotherapy Phase for IBD Portfolio, Setting Up Combination Tests

Spyre Therapeutics (SYRE) reported that its anti-IL-23 antibody, SPY003, met primary endpoints in a Phase 2 trial, showing a 10.0-point reduction in Robart’s Histopathology Index score. This follows successful results for SPY001 and SPY002, completing proof-of-concept for all three molecules in its IBD portfolio. The company has $1.1 billion in cash, enough to fund operations into 2029. Part B of the SKYLINE trial, testing drug combinations, is still enrolling, with data expected in 2027. Spyre

$SYREMedAI 8/10

Spyre Therapeutics (SYRE) Reports SPY003 Endoscopic Improvement. Can Randomized Testing Confirm It?

Spyre Therapeutics (SYRE) reported Phase 2 trial results for SPY003 in ulcerative colitis patients, showing a 10-point decline in tissue inflammation and 20% clinical remission. The study lacked a control arm, and further testing is needed. The company has $1.15B in cash and expects funding into 2029. Part B of the trial is enrolling, with results expected in 2027.

$SYREMedAI 8/10

Top Biotechnology Stock Pick from Guggenheim

Guggenheim maintains a buy rating on Spyre Therapeutics, citing positive Phase II SKYWAY-RA results for SPY072, despite discontinuing the rheumatoid arthritis program. The firm projects the stock to settle in the $90-95 range, with valuation based on the inflammatory bowel disease program. Other analysts have mixed views, with Wolfe Research downgrading and Mizuho raising its price target to $120.

$SYREHighAI 8/10

Why is Spyre Therapeutics stock sliding today?

Spyre Therapeutics (SYRE) stock fell 11.7% in pre-market trading after Phase 2 trial data for SPY072 in rheumatoid arthritis showed statistically significant but insufficient efficacy to advance as a monotherapy. Wedbush maintained an Outperform rating with a $130 target. The company plans further readouts in 2026 for other indications. The decline is attributed to the clinical news, not broader market trends.