Weiss Michael S

Form 4 filings across 3 companies. Net figures count open-market buys and sales only. EDGAR profile ↗

Lifetime net: $0

Positions by company

Reported holding is the most recent post-transaction share count on a Table I row.

Every company this insider has reported trading in, with the value bought and sold at each and the date they last traded.
Ticker	Company	Bought	Sold	Net	Shares held	Last trade
FBIO	Fortress Biotech, Inc.	$0	$0	$0	2.3M	Mar 18
TGTX	Tg Therapeutics, INC.	$0	$0	$0	9.8M	Jan 8
CKPT	Checkpoint Therapeutics, Inc.	$0	$0	$0	0	May 30, 2025

FBIO

Fortress Biotech, Inc.

Bought

Sold

Held

2.3M

TGTX

Tg Therapeutics, INC.

Bought

Sold

Held

9.8M

CKPT

Checkpoint Therapeutics, Inc.

Bought

Sold

Held

Filing record

How quickly this filer reports. Section 16 allows two business days from the transaction.

All 4 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Trade history

The 7 most recent Form 4 transactions.

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Ticker	Company	Type	Shares	Price	Value	Δ Own	Filing
Mar 18	FBIO	Fortress Biotech, Inc.	AGRANT	475,424	—	—	+26.4%	Open the original filing on SEC.gov
Jan 8	TGTX	Tg Therapeutics, INC.	AGRANT	622,000	—	—	+6.8%	Open the original filing on SEC.gov
Nov 5, 2025