PTIX

Protagenic Therapeutics, Inc.new

Company with tickers: PTIX, PTIXW

CIK

1022899

CUSIP

74365N301

Shares Outstanding

1,810,208

Website

https://protagenic.com

Investor Relations

https://protagenic.com/investor-relations

13F Activity (30d)

2 filings 1 filers

Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score

32/100

Short interest 0.7% of shares — P35 Days to cover 3.5 — P59 Short-volume trend -68.9% — P0

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-05-29	12,996	12,996	0	3,688	3.52
2026-05-15	12,996	18,163	-5,167	12,114	1.07
2026-04-30	18,163	14,150	+4,013	25,265	1.00
2026-04-15	14,150	19,507	-5,357	6,585	2.15
2026-03-31	19,507	22,064	-2,557	10,151	1.92
2026-03-13	22,064	24,374	-2,310	8,859	2.49
2026-02-27	24,374	19,470	+4,904	18,778	1.30
2026-02-13	19,470	29,753	-10,283	30,967	1.00
2026-01-30	29,753	35,563	-5,810	16,247	1.83
2026-01-15	35,563	50,768	-15,205	363,000	1.00
2025-12-31	50,768	61,712	-10,944	53,322	1.00
2025-12-15	61,712	53,426	+8,286	137,834	1.00
2025-11-28	53,426	56,970	-3,544	71,816	1.00
2025-11-14	56,970	28,771	+28,199	84,157	1.00
2025-10-31	28,771	1,482	+27,289	61,385	1.00
2025-10-15	1,482	51,478	-49,996	87,467	1.00
2025-09-30	51,478	46,166	+5,312	125,440	1.00
2025-09-15	46,166	89,908	-43,742	104,477	1.00
2025-08-29	89,908	42,678	+47,230	16,528,166	1.00
2025-08-15	42,678	10,905	+31,773	113,321	1.00
2025-07-31	10,905	9,921	+984	106,799	1.00
2025-07-15	9,921	53,269	-43,348	212,412	1.00
2025-06-30	53,269	32,665	+20,604	190,529	1.00

Showing 1–23 of 23 settlements