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Who

Michael Seibel

Director

Company insider

Files Form 4 as: Director, Reddit; Director, Dropbox.

In numbers

Trades disclosed
33
Buys
0
Sells
1
Bought
$0
Sold
$9.1M
Companies
2
Companies where not an officer
2
First trade
11 Dec 2020
Last trade
5 Oct 2026
Last filed
7 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
RDDT RedditDirector · Internet Platforms · last 5 Oct 20260 buys · 1 sell
DBX DropboxDirector · Software · last 21 May 20260 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
5 Oct 2026filed 7 Oct 2026RDDT RedditInternet PlatformsSEC FORM 4 Code A—103 at $0.00filing
5 Jul 2026filed 7 Jul 2026RDDT RedditInternet PlatformsSEC FORM 4 Code A—103 at $0.00filing
5 Jul 2026filed 7 Jul 2026RDDT RedditInternet PlatformsSEC FORM 4 Code A—103 at $0.00filing
8 Jun 2026filed 10 Jun 2026RDDT RedditInternet PlatformsSEC FORM 4 Code A—1,714 at $0.00filing
8 Jun 2026filed 10 Jun 2026RDDT RedditInternet PlatformsSEC FORM 4 Code A—1,714 at $0.00filing
21 May 2026filed 26 May 2026DBX DropboxSoftwareSEC FORM 4 Code A—9,071 at $0.00filing
21 May 2026filed 26 May 2026DBX DropboxSoftwareSEC FORM 4 Code A—9,071 at $0.00filing
5 Apr 2026filed 7 Apr 2026RDDT RedditInternet PlatformsSEC FORM 4 Code A—101 at $0.00filing
5 Apr 2026filed 7 Apr 2026RDDT RedditInternet PlatformsSEC FORM 4 Code A—101 at $0.00filing
5 Jan 2026filed 7 Jan 2026RDDT RedditInternet PlatformsSEC FORM 4 Code A—78 at $0.00filing
5 Jan 2026filed 7 Jan 2026RDDT RedditInternet PlatformsSEC FORM 4 Code A—78 at $0.00filing
5 Oct 2025filed 7 Oct 2025RDDT RedditInternet PlatformsSEC FORM 4 Code A—79 at $0.00filing
30 Sep 2025filed 2 Oct 2025RDDT RedditInternet PlatformsSEC FORM 4 Code G—4,300 at $0.00filing
5 Jul 2025filed 8 Jul 2025RDDT RedditInternet PlatformsSEC FORM 4 Code A—144 at $0.00filing
9 Jun 2025filed 11 Jun 2025RDDT RedditInternet PlatformsSEC FORM 4 Code A—2,285 at $0.00filing
15 May 2025filed 19 May 2025DBX DropboxSoftwareSEC FORM 4 Code A—8,443 at $0.00filing
5 Apr 2025filed 8 Apr 2025RDDT RedditInternet PlatformsSEC FORM 4 Code A—104 at $0.00filing
1 Nov 2024filed 5 Nov 2024RDDT Redditoption or derivative · Internet PlatformsSEC FORM 4 Code M—50,000 at $0.00filing
1 Nov 2024filed 5 Nov 2024RDDT RedditInternet PlatformsSEC FORM 4 Sold$3.1M27,897 at $111.26filing
1 Nov 2024filed 5 Nov 2024RDDT RedditInternet PlatformsSEC FORM 4 Sold$426K3,800 at $112.09filing

Sectors

Communications1

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

Related people

Sarah Elizabeth SchubachChief Accounting Officer · Chief Accounting Officer at Dropbox, filing Form 4 there in the last year
Jennifer L. WongChief Operating Officer · Chief Operating Officer at Reddit, filing Form 4 there in the last year
Steve Ladd HuffmanCEO & President · CEO & President at Reddit, filing Form 4 there in the last year
Andrew HoustonCo-CEO · Co-CEO at Dropbox, filing Form 4 there in the last year
Steven O. NewhouseDirector · Director at Reddit, filing Form 4 there in the last year
Robert A. SauerbergDirector · Also traded RDDT in the last 90 days
Michael T. McCaulRepresentative, TX-10 · Also traded RDDT in the last 90 days