Insider · CIK 0001038977

WEISS MICHAEL S

Reports to the SEC for 14 companies · BAY HARBOR ISLANDS, FL

sec.gov

Transactions

Companies

Filings

CIK

0001038977

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-03-18	FBIOFortress Biotech, Inc.A Award	Director, Executive Vice Chairman	AAward	+475K sh	—	—	2,276,562
2026-01-08	TGTXTG THERAPEUTICS, INC.A Award	Director, CEO	AAward	+622K sh	—	—	9,778,086
2025-11-05	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−3.87M sh	—	—	9,959,803
2025-11-05	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−804K sh	—	—	9,156,086
2025-05-30	Checkpoint Therapeutics, Inc.U Disposition from Tender	Director	UDisposition from Tender	−187K sh	—	—	0
2025-05-29	Checkpoint Therapeutics, Inc.A Award	Director	AAward	+50K sh	$1.29	+$64.5K	187,007
2025-05-28	Checkpoint Therapeutics, Inc.A Award	Director	AAward	+12.2K sh	—	—	137,007
2025-01-29	TGTXTG THERAPEUTICS, INC.A Award	Director, CEO	AAward	+750K sh	—	—	13,824,929
2025-01-01	FBIOFortress Biotech, Inc.A Award	Director, Executive Vice Chairman	AAward	+454K sh	—	—	1,801,138
2024-12-13	Checkpoint Therapeutics, Inc.A Award	Director	AAward	+12.6K sh	—	—	124,812
2024-05-14	Checkpoint Therapeutics, Inc.A Award	Director	AAward	+32.1K sh	—	—	62,174
2024-05-14	Checkpoint Therapeutics, Inc.A Award	Director	AAward	+50K sh	—	—	112,174
2024-01-06	TGTXTG THERAPEUTICS, INC.A Award	Director, CEO	AAward	+1M sh	—	—	13,074,929
2024-01-01	FBIOFortress Biotech, Inc.A Award	Director, Executive Vice Chairman	AAward	+216K sh	—	—	1,346,985
2023-11-14	FBIOFortress Biotech, Inc. · Warrants to purchase Common StockP Purchase	Director, Executive Vice Chairman	PPurchase	+147K sh	—	—	147,058
2023-11-14	FBIOFortress Biotech, Inc.P Purchase	Director, Executive Vice Chairman	PPurchase	+147K sh	$1.70	+$250K	1,130,520
2023-08-11	TGTXTG THERAPEUTICS, INC.P Purchase	Director, CEO	PPurchase	+100K sh	$10.13	+$1.01M	12,073,021
2023-07-05	MBIOMUSTANG BIO, INC.A Award	Director	AAward	+7,246 sh	—	—	49,637
2023-06-13	Checkpoint Therapeutics, Inc.A Award	Director	AAward	+17.5K sh	—	—	30,123
2023-03-12	TGTXTG THERAPEUTICS, INC.A Award	Director, CEO	AAward	+985K sh	—	—	11,973,021
2023-02-10	FBIOFortress Biotech, Inc.P Purchase	Director, Executive Vice Chairman	PPurchase	+1.2M sh	$0.83	+$1M	14,752,034
2023-01-01	FBIOFortress Biotech, Inc.A Award	Director, Executive Vice Chairman	AAward	+1.22M sh	—	—	13,554,430
2022-07-29	MBIOMUSTANG BIO, INC.A Award	Director	AAward	+71.7K sh	—	—	135,861
2022-07-20	TGTXTG THERAPEUTICS, INC. · Stock Option (right to buy)A Award	Director, CEO	AAward	+1.9M sh	—	—	1,900,000
2022-06-16	Checkpoint Therapeutics, Inc.A Award	Director	AAward	+47.6K sh	—	—	126,401
2022-01-05	TGTXTG THERAPEUTICS, INC.S Sale	Director, CEO	SSale	−30.7K sh	$18.31	−$562K	10,988,021
2022-01-04	TGTXTG THERAPEUTICS, INC.S Sale	Director, CEO	SSale	−37.5K sh	$19.20	−$721K	13,455,697
2022-01-01	FBIOFortress Biotech, Inc.A Award	Director, Executive Vice Chairman	AAward	+1.1M sh	—	—	12,335,136
2021-12-29	TGTXTG THERAPEUTICS, INC.A Award	Director, CEO	AAward	+56.4K sh	—	—	13,493,246
2021-12-16	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−9,000 sh	—	—	13,436,852
2021-12-16	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−700K sh	—	—	13,445,852
2021-12-15	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−3,000 sh	—	—	14,145,852
2021-06-28	MBIOMUSTANG BIO, INC.A Award	Director	AAward	+13.8K sh	—	—	64,197
2021-06-18	TGTXTG THERAPEUTICS, INC.A Award	Director, CEO	AAward	+1.08M sh	—	—	14,148,852
2021-06-10	Checkpoint Therapeutics, Inc.A Award	Director	AAward	+16.5K sh	—	—	78,782
2021-01-01	FBIOFortress Biotech, Inc.A Award	Director, Executive Vice Chairman	AAward	+1.03M sh	—	—	11,232,150
2020-12-28	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−655 sh	—	—	13,068,082
2020-12-28	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−1,000 sh	—	—	13,068,737
2020-12-22	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−200 sh	—	—	13,069,737
2020-12-15	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−200 sh	—	—	13,069,937
2020-12-15	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−1,700 sh	—	—	13,070,137
2020-12-15	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−835K sh	—	—	13,071,837
2020-09-25	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−2,500 sh	—	—	13,906,714
2020-09-10	TGTXTG THERAPEUTICS, INC.G Gift	Director, CEO	GGift	−525K sh	—	—	13,909,214
2020-07-14	MBIOMUSTANG BIO, INC.A Award	Director	AAward	+16.6K sh	—	—	50,423
2020-06-22	TGTXTG THERAPEUTICS, INC.A Award	Director, CEO	AAward	+1.56M sh	—	—	14,434,214
2020-06-05	Checkpoint Therapeutics, Inc.A Award	Director	AAward	+24.4K sh	—	—	62,280
2020-01-01	FBIOFortress Biotech, Inc.A Award	Director, Executive Vice Chairman	AAward	+802K sh	—	—	10,201,811
2019-08-28	MBIOMUSTANG BIO, INC.A Award	Director	AAward	+13.8K sh	—	—	33,812
2019-06-26	TGTXTG THERAPEUTICS, INC.P Purchase	Director, CEO	PPurchase	+50K sh	$7.04	+$352K	12,878,185

Recent filings

Accepted (ET)
Mar 204
WEISS MICHAEL S0001038977-26-000002
SEC(opens sec.gov)
Jan 94
WEISS MICHAEL S0001437749-26-001016
SEC(opens sec.gov)
Nov 74
WEISS MICHAEL S0001437749-25-033888
SEC(opens sec.gov)
May 304
WEISS MICHAEL S0001104659-25-054698
SEC(opens sec.gov)
Jan 304
WEISS MICHAEL S0001437749-25-002292
SEC(opens sec.gov)
Jan 34
WEISS MICHAEL S0001415889-25-000402
SEC(opens sec.gov)
Dec 174
WEISS MICHAEL S0001104659-24-129528
SEC(opens sec.gov)
May 164
WEISS MICHAEL S0001104659-24-062667
SEC(opens sec.gov)
Jan 84
WEISS MICHAEL S0001437749-24-000899
SEC(opens sec.gov)
Jan 34
WEISS MICHAEL S0001104659-24-000900
SEC(opens sec.gov)
Nov 164
WEISS MICHAEL S0001104659-23-119186
SEC(opens sec.gov)
Aug 144
WEISS MICHAEL S0001104659-23-091054
SEC(opens sec.gov)
Jul 74
WEISS MICHAEL S0001104659-23-079112
SEC(opens sec.gov)
Jun 154
WEISS MICHAEL S0001104659-23-071761
SEC(opens sec.gov)
Apr 34
WEISS MICHAEL S0001104659-23-040923
SEC(opens sec.gov)

Companies

Address

C/O FORTRESS BIOTECH, INC. 1111 KANE CONCOURSE SUITE 301

BAY HARBOR ISLANDS, FL, 33154