SPANGENBERG ERICH

10% owner at Spectral AI, Inc. · on record since Sep 26, 2023
Director at Spectral AI, Inc. · on record since May 17, 2024
Director at SIM Acquisition Corp. I · on record since Jul 9, 2024
10% owner at SIM Acquisition Corp. I · on record since Jul 9, 2024
10% owner at Firepond, Inc. · on record since Jan 16, 2008
Chief Executive Officer at SIM Acquisition Corp. I · on record since Oct 31, 2025
10% owner at MARA Holdings, Inc. · on record since Jun 7, 2013

Insider trading activity of SPANGENBERG ERICH

Transactions on record: 17; since Apr 21, 2008

Open-market buys: 3; $272.6K

Open-market sells: 0

Companies traded: 2; last filing May 17, 2024

Figures computed from official regulatory filings — .

Companies where SPANGENBERG ERICH has traded

Spectral AI, Inc.2 tx · $90.1K · May 17, 2024
Firepond, Inc.15 tx · $2.2M · Apr 29, 2008

Track record of SPANGENBERG ERICH

Open-market buys: 5

Last buy: Apr 17, 2008

Enough buys on record, but none of them has a 63-day return yet — this happens when the shares stopped trading, or when the buys are too recent. Win rates will appear once returns mature.

Transaction history of SPANGENBERG ERICH

Co-insiders of SPANGENBERG ERICH

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Spectral AI, Inc.Listing on record	May 17, 2024	Award	6,000	1.74 USD	$10.4K		SEC
Spectral AI, Inc.Listing on record	May 13, 2024	Award	45,000	1.77 USD	$79.7K		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	Buy	17,500	0.68	$11.9K	conv 22First in 12mo	SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	Buy	868,942	0.30	$260.7K	conv 39First in 12mo	SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	40,000	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	60,714	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	Other	9,000	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	-48,000	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	357,143	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	-60,714	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	-40,000	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	SellD (derivative)	-100,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	SellD (derivative)	-100,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	Other	1,385,841	1.40	$1.9M		SEC
Firepond, Inc.Listing unverified	Apr 21, 2008	BuyD (derivative)	60,714	—	n/a (No price was disclosed in the filing)	First in 12mo	SEC
Firepond, Inc.Listing unverified	Apr 21, 2008	Buy	81,250	—	n/a (No price was disclosed in the filing)	conv 23First in 12mo	SEC
Firepond, Inc.Listing unverified	Apr 21, 2008	BuyD (derivative)	40,000	—	n/a (No price was disclosed in the filing)	First in 12mo	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Spectral AI, Inc.Listing on record	May 17, 2024	Award	6,000	1.74 USD	$10.4K		SEC
Spectral AI, Inc.Listing on record	May 13, 2024	Award	45,000	1.77 USD	$79.7K		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	Buy	17,500	0.68	$11.9K	conv 22First in 12mo	SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	Buy	868,942	0.30	$260.7K	conv 39First in 12mo	SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	40,000	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	60,714	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	Other	9,000	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	-48,000	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	357,143	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	-60,714	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	OtherD (derivative)	-40,000	—	n/a (No price was disclosed in the filing)		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	SellD (derivative)	-100,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	SellD (derivative)	-100,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Firepond, Inc.Listing unverified	Apr 29, 2008	Other	1,385,841	1.40	$1.9M		SEC
Firepond, Inc.Listing unverified	Apr 21, 2008	BuyD (derivative)	60,714	—	n/a (No price was disclosed in the filing)	First in 12mo	SEC
Firepond, Inc.Listing unverified	Apr 21, 2008	Buy	81,250	—	n/a (No price was disclosed in the filing)	conv 23First in 12mo	SEC
Firepond, Inc.Listing unverified	Apr 21, 2008	BuyD (derivative)	40,000	—	n/a (No price was disclosed in the filing)	First in 12mo	SEC