SC Filed 2023-12-18 Event — SEC 0001437749-23-034766 →

RUFFLE JOHN F → AMERICAN SHARED HOSPITAL SERVICES AMS

Stake: — Shares: —

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)

1 transaction

1 buys · 0 sales · 0 awards/exercises

Issuer Cluster

9 13D/G filings on this issuer

8 other filings besides this one

Filer Track Record

1 filings by this filer

0 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 1.00

53,055 shares short · -53.1% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-03-26	Stachowiak Raymond C	director, officer, 10%+ owner	Award	100,000	—	—

Other 13D/G Filings on AMERICAN SHARED HOSPITAL SERVICES

Filed	Form	Filer	Stake	Shares
2026-07-30	SCHEDULE 13D/A	Stachowiak Raymond C	35.30%	2,440,205	view →
2026-06-25	SCHEDULE 13D/A	Stachowiak Raymond C	33.00%	2,220,205	view →
2026-06-23	SCHEDULE 13D/A	Zucker Anita G	—	0	view →
2025-03-07	SCHEDULE	Zucker Anita G	7.90%	508,117	view →
2025-01-03	SCHEDULE	Stachowiak Raymond C	22.80%	1,477,737	view →
2023-05-03	SC	Stachowiak Raymond C	—	—	view →
2021-06-14	SC	AMERICAN SHARED HOSPITAL SERVICES	—	—	view →
2019-05-21	SC	Stachowiak Raymond C	—	—	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. From $49/mo.

See pricing →