SCHEDULE Filed 2025-06-10 Event 2025-06-06 SEC 0001437749-25-020018 →

Ali Arif Nasir → Entero Therapeutics, Inc. GRDX

Stake: 4.90% Shares: 230,900 CUSIP: 33749P408 Class: Common stock, par value $0.0001 per share

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 6/100 · Filer 90d Win Rate: 0% · Hist. 90d Edge: +0.0%

Passive Schedule 13G filer baseline

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

9 transactions

9 buys · 0 sales · 0 awards/exercises

Issuer Cluster

6 13D/G filings on this issuer

5 other filings besides this one

Filer Track Record

1 filings by this filer

0 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 1.00

99,241 shares short · -5.1% vs prior

Post-Filing Returns · since 2025-06-06 on GRDX

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

0.0%

+90 days

0.0%

+180 days

0.0%

Anchor price 4.35 on closest trading day on/after 2025-06-06. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-10-26	Syage Jack	director	Award	40,000	—	—
2026-10-26	Skowron Anna	officer	Award	75,000	—	—
2026-10-26	Skowron Anna	officer	Award	175,000	—	—
2026-10-26	Sawyer Jason David	director, officer, 10%+ owner	Award	40,000	—	—
2026-10-26	Pursglove Geordan Garrett	director	Award	100,000	—	—
2026-10-26	BORKOWSKI EDWARD	director	Award	100,000	—	—
2026-10-26	BORKOWSKI EDWARD	director	Award	17,079	$5.55	$95K
2026-10-26	BORKOWSKI EDWARD	director	Award	100,000	$5.55	$555K
2026-10-19	Uppal Manpreet	—	Award	20,000	—	—

Other 13D/G Filings on Entero Therapeutics, Inc.

Filed	Form	Filer	Stake	Shares
2026-07-08	SCHEDULE 13D	Sawyer Jason David	7.10%	540,000	view →
2021-02-10	SC	Ross Edmund Burke Jr.	—	—	view →
2020-08-11	SC	Ross Edmund Burke Jr.	—	—	view →
2020-01-29	SC	Ross Edmund Burke Jr.	—	—	view →
2019-01-08	SC	Ross Edmund Burke Jr.	—	—	view →

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