Login

89bio, Inc. SEC Filings

Filed On Filing
13 Feb 2026 SCHEDULE 13G/A
19 Nov 2025 EFFECT
14 Nov 2025 SCHEDULE 13G
14 Nov 2025 SCHEDULE 13G/A
13 Nov 2025 SCHEDULE 13G/A
10 Nov 2025 15-12G
03 Nov 2025 SCHEDULE 13D/A
03 Nov 2025 Form 4: Ra Capital MANAGEMENT, L.p., Director and 4 others

Returned 19,889,683 shares to the issuer · Disposed of 4,331,081 Pre-Funded Warrants (Right to Buy) (Disposition to Issuer) · Disposed of 180,450 Stock Option (Right to Buy) (Disposition to Issuer)

31 Oct 2025 SCHEDULE 13D/A
30 Oct 2025 Form 4: Laporte Kathleen, Director

Disposed of 166,450 Stock Option (Right to Buy) (Disposition to Issuer)

30 Oct 2025 Form 4: Hayden Michael R, Director

Disposed of 246,420 shares (Tender Offer) · Disposed of 233,760 Stock Option (Right to Buy) (Disposition to Issuer)

30 Oct 2025 Form 4: Martins Ryan, Chief Financial Officer

Received 35,000 shares as a grant or award · Disposed of 374,295 shares (Tender Offer) · Disposed of 738,102 Stock Option (Right to Buy) (Disposition to Issuer)

30 Oct 2025 Form 4: Altschuler Steven, Director

Disposed of 213,450 Stock Option (Right to Buy) (Disposition to Issuer)

30 Oct 2025 Form 4: Palekar Rohan, Director

Received 125,000 shares as a grant or award · Disposed of 934,273 shares (Tender Offer) · Disposed of 2,599,223 Stock Option (Right to Buy) (Disposition to Issuer)

30 Oct 2025 Form 4: McWherter Charles, Director

Disposed of 25,000 shares (Tender Offer) · Disposed of 124,100 Stock Option (Right to Buy) (Disposition to Issuer)

30 Oct 2025 Form 4: Atkinson Edward Morrow Iii, Director

Disposed of 148,950 Stock Option (Right to Buy) (Disposition to Issuer)

30 Oct 2025 Form 4: Zoth Lota S., Director

Disposed of 186,450 Stock Option (Right to Buy) (Disposition to Issuer)

30 Oct 2025 Form 4: Le-Nguyen Quoc, See Remarks

Received 50,000 shares as a grant or award · Disposed of 365,378 shares (Tender Offer) · Disposed of 873,775 Stock Option (Right to Buy) (Disposition to Issuer)

30 Oct 2025 Form 4: Babler Martin, Director

Disposed of 124,100 Stock Option (Right to Buy) (Disposition to Issuer)

30 Oct 2025 Form 4: DiRocco Derek, Director

Disposed of 180,450 Stock Option (Right to Buy) (Disposition to Issuer)

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support