Lightstone Ventures II (A), L.P.

Former 10% Owner at SHOULDER INNOVATIONS, INC. · on record since Aug 5, 2025
10% owner at ALX ONCOLOGY HOLDINGS INC · on record since Jul 22, 2020
10% owner at SHOULDER INNOVATIONS, INC. · on record since Jul 30, 2025

Insider trading activity of Lightstone Ventures II (A), L.P.

Transactions on record: 16; since Dec 15, 2021

Open-market buys: 1; $4M

Open-market sells: 12; $1.3M

Companies traded: 2; last filing Aug 5, 2025

Figures computed from official regulatory filings — .

Companies where Lightstone Ventures II (A), L.P. has traded

SHOULDER INNOVATIONS, INC.4 tx · $4M · Aug 5, 2025
ALX ONCOLOGY HOLDINGS INC12 tx · $1.3M · Dec 15, 2021

Track record of Lightstone Ventures II (A), L.P.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Lightstone Ventures II (A), L.P.

Co-insiders of Lightstone Ventures II (A), L.P.

Carusi Michael AALX ONCOLOGY HOLDINGS INC +1
Ahearn Matthew FraserSHOULDER INNOVATIONS, INC.
Ball Robert JosephSHOULDER INNOVATIONS, INC.
Blue David LawrenceSHOULDER INNOVATIONS, INC.
Buchholz RichardSHOULDER INNOVATIONS, INC.
BUCKMAN PAULSHOULDER INNOVATIONS, INC.
Caffo NathanALX ONCOLOGY HOLDINGS INC
Canamasas ItziarALX ONCOLOGY HOLDINGS INC
Curran Daniel J.ALX ONCOLOGY HOLDINGS INC
GARCIA PETER SALX ONCOLOGY HOLDINGS INC
Garland J. ScottALX ONCOLOGY HOLDINGS INC
George JeanALX ONCOLOGY HOLDINGS INC
Gilde Healthcare Holding B.V.SHOULDER INNOVATIONS, INC.
GOODMAN COREY SALX ONCOLOGY HOLDINGS INC
Graham G. WalmsleyALX ONCOLOGY HOLDINGS INC
Hemrajani RekhaALX ONCOLOGY HOLDINGS INC
Hykes AndrewSHOULDER INNOVATIONS, INC.
Klencke BarbaraALX ONCOLOGY HOLDINGS INC
Knight Jeff E.ALX ONCOLOGY HOLDINGS INC
Lettmann JasonALX ONCOLOGY HOLDINGS INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SHOULDER INNOVATIONS, INC.Listing unverified	Aug 5, 2025	Other	1,618,470	—	n/a (No price was disclosed in the filing)		SEC
SHOULDER INNOVATIONS, INC.Listing unverified	Aug 5, 2025	OtherD (derivative)	-20,930,233	—	n/a (No price was disclosed in the filing)		SEC
SHOULDER INNOVATIONS, INC.Listing unverified	Aug 5, 2025	Buy	266,666	15.00 USD	$4M	conv 63ClusterFirst in 12mo	SEC
SHOULDER INNOVATIONS, INC.Listing unverified	Aug 5, 2025	OtherD (derivative)	-9,950,208	—	n/a (No price was disclosed in the filing)		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-60	30.23 USD	$1.8K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-2,339	26.48 USD	$61.9K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-11,945	25.29 USD	$302.1K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-1,329	29.60 USD	$39.3K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-1,296	27.49 USD	$35.6K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-1,627	25.29 USD	$41.1K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-181	29.60 USD	$5.4K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-17,169	26.48 USD	$454.6K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-440	30.23 USD	$13.3K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-299	28.37 USD	$8.5K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-9,509	27.49 USD	$261.4K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-2,196	28.37 USD	$62.3K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SHOULDER INNOVATIONS, INC.Listing unverified	Aug 5, 2025	Other	1,618,470	—	n/a (No price was disclosed in the filing)		SEC
SHOULDER INNOVATIONS, INC.Listing unverified	Aug 5, 2025	OtherD (derivative)	-20,930,233	—	n/a (No price was disclosed in the filing)		SEC
SHOULDER INNOVATIONS, INC.Listing unverified	Aug 5, 2025	Buy	266,666	15.00 USD	$4M	conv 63ClusterFirst in 12mo	SEC
SHOULDER INNOVATIONS, INC.Listing unverified	Aug 5, 2025	OtherD (derivative)	-9,950,208	—	n/a (No price was disclosed in the filing)		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-60	30.23 USD	$1.8K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-2,339	26.48 USD	$61.9K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-11,945	25.29 USD	$302.1K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-1,329	29.60 USD	$39.3K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-1,296	27.49 USD	$35.6K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-1,627	25.29 USD	$41.1K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-181	29.60 USD	$5.4K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-17,169	26.48 USD	$454.6K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-440	30.23 USD	$13.3K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-299	28.37 USD	$8.5K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-9,509	27.49 USD	$261.4K		SEC
ALX ONCOLOGY HOLDINGS INCListing on record	Dec 15, 2021	Sell	-2,196	28.37 USD	$62.3K		SEC