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Who

Harry L. You

Director

Company insider

Files Form 4 as: Director, Broadcom; Director and 10% owner, Rain Enhancement Technologies Holdco; 10% owner, Berto Acquisition Corp. II; CEO, CFO & Chairman, dMY Squared Technology Group; Director and 10% owner, Horizon Quantum Holdings; Director and Officer and 10% owner, Coliseum Acquisition; Director, IonQ; Director and 10% owner, GTY Technology Holdings.

Every Form 4 they filed

In numbers

Trades disclosed
363
Buys
9
Sells
44
Bought
$18.7M
Sold
$129.0M
Companies
13
Companies where not an officer
9
First trade
20 Aug 2008
Last trade
11 Jun 2026
Last filed
15 Jun 2026

Companies traded

Where they are an officer
dMY Squared Technology GroupDirector, Officer, 10% owner · last 19 Mar 20260 buys · 0 sells
Coliseum AcquisitionDirector, Officer, 10% owner · last 31 Dec 20240 buys · 0 sells
dMY Technology Group, Inc. VIDirector, Officer, 10% owner · last 4 Oct 20210 buys · 0 sells
EmcOfficer · last 7 Sep 20160 buys · 22 sells
Everywhere else they filed: board seats, 10% stakes, other companies
AVGO BroadcomDirector · Semiconductors · last 11 Jun 20266 buys · 6 sells
RAIN Rain Enhancement Technologies HoldcoDirector, 10% owner · Machinery · last 5 Jun 20260 buys · 0 sells
GUAC Berto Acquisition Corp. II10% owner · Funds, Shells & SPACs · last 15 May 20260 buys · 0 sells
HQ Horizon Quantum HoldingsDirector, 10% owner · Quantum Computing · last 19 Mar 20260 buys · 0 sells
IONQ IonQDirector · Quantum Computing · last 6 Jun 20241 buy · 3 sells
GTY Technology HoldingsDirector, 10% owner · last 7 Jul 20221 buy · 0 sells
RSI Rush Street InteractiveDirector · Entertainment, Gaming & Leisure Services · last 27 May 20210 buys · 4 sells
CPNG CoupangDirector · E-Commerce & Marketplaces · last 15 Mar 20211 buy · 0 sells
KFY Korn FerryDirector · Professional Services · last 17 Dec 20150 buys · 9 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
103Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
11 Jun 2026filed 15 Jun 2026AVGO BroadcomSemiconductorsSEC FORM 4 Bought$374K1,000 at $373.57filing
11 Jun 2026filed 15 Jun 2026AVGO BroadcomSemiconductorsSEC FORM 4 Bought$374K1,000 at $373.57filing
5 Jun 2026filed 9 Jun 2026RAIN Rain Enhancement Technologies HoldcoMachinerySEC FORM 4 Code A—1,612,903filing
5 Jun 2026filed 9 Jun 2026RAIN Rain Enhancement Technologies HoldcoMachinerySEC FORM 4 Code A—1,612,903filing
15 May 2026filed 15 May 2026GUAC Berto Acquisition Corp. IIFunds, Shells & SPACsSEC FORM 4 Code J—232,102 at $0.00filing
15 May 2026filed 15 May 2026GUAC Berto Acquisition Corp. IIFunds, Shells & SPACsSEC FORM 4 Code J—254,808 at $0.00filing
15 May 2026filed 15 May 2026GUAC Berto Acquisition Corp. IIFunds, Shells & SPACsSEC FORM 4 Code J—232,102 at $0.00filing
15 May 2026filed 15 May 2026GUAC Berto Acquisition Corp. IIFunds, Shells & SPACsSEC FORM 4 Code J—254,808 at $0.00filing
20 Apr 2026filed 22 Apr 2026AVGO BroadcomSemiconductorsSEC FORM 4 Code A—864 at $0.00filing
20 Apr 2026filed 22 Apr 2026AVGO BroadcomSemiconductorsSEC FORM 4 Code A—864 at $0.00filing
19 Mar 2026filed 20 Mar 2026dMY Squared Technology Groupoption or derivativeSEC FORM 4 Code C—1,163,484 at $0.00filing
19 Mar 2026filed 20 Mar 2026dMY Squared Technology GroupSEC FORM 4 Code C—1,163,484filing
19 Mar 2026filed 20 Mar 2026HQ Horizon Quantum HoldingsQuantum ComputingSEC FORM 4 Code A—1,163,484filing
19 Mar 2026filed 20 Mar 2026HQ Horizon Quantum Holdingsoption or derivative · Quantum ComputingSEC FORM 4 Code A—2,884,660filing
19 Mar 2026filed 20 Mar 2026HQ Horizon Quantum Holdingsoption or derivative · Quantum ComputingSEC FORM 4 Code A—2,884,660filing
19 Mar 2026filed 20 Mar 2026HQ Horizon Quantum HoldingsQuantum ComputingSEC FORM 4 Code A—1,163,484filing
18 Dec 2025filed 22 Dec 2025AVGO BroadcomSemiconductorsSEC FORM 4 Bought$325K1,000 at $325.13filing
15 Sep 2025filed 17 Sep 2025dMY Squared Technology Groupoption or derivativeSEC FORM 4 Code J—416,266 at $0.00filing
10 Sep 2025filed 10 Sep 2025AVGO BroadcomSemiconductorsSEC FORM 4 Bought$182K500 at $363.38filing
9 Sep 2025filed 10 Sep 2025AVGO BroadcomSemiconductorsSEC FORM 4 Bought$339K1,000 at $339.39filing

Sectors

Technology16
Industrials9
Consumer Discretionary5
Not placed23

Buys in green, sells in red, by the company’s sector.

Related people

dMY Squared Sponsor, LLCDirector and 10% owner · Director and 10% owner at dMY Squared Technology Group, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded AVGO, CPNG and KFY in the last 90 days
Kyle SauersChief Financial Officer · Also traded RSI in the last 90 days
Jonathan D. LeeChief Accounting Officer · Also traded CPNG in the last 90 days
Mattias StetzChief Operating Officer · Also traded RSI in the last 90 days
Richard Todd SchwartzChief Executive Officer · Also traded RSI in the last 90 days
Jack A. MarkellDirector · Also traded RSI in the last 90 days
Henry SamueliDirector · Also traded AVGO in the last 90 days