TS
Thomas J Seifert (Chief Financial Officer) filed 13 Form 4 reports in the trailing twelve months (0 purchases, 13 sales), most often in Cloudflare, Inc. (NET). The largest single filing was $16.5M of NET (55,000 sh across 2 lots, as filed), executed Aug 4. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
13
0 buys · 13 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$47.9M
shares × price, as filed
Last traded
Oct 19
Filed Oct 19
Median ADV $1.1B across their filed names
Open performance→Volume by month
Buys $0
Sells $120.5M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
13 filings
Sector per market data · by filing · past 12 months
Most traded names
NETRecent filings
NETSALE
Cloudflare, Inc.
View filing →
$11.8M59,130 sh across 5 lots
Exec Jul 28 2025
Filed Jul 29 2025 · 5:30 PM ET NETSALE Cloudflare, Inc. View filing → $8.7M
43,570 sh across 6 lots
Exec Jul 21 2025
Filed Jul 22 2025 · 5:30 PM ET NETSALE Cloudflare, Inc. View filing → $1.8M
9,900 sh across 5 lots
Exec Jun 20 2025
Filed Jun 23 2025 · 5:30 PM ET NETSALE Cloudflare, Inc. View filing → $6.5M
41,556 sh across 3 lots
Exec May 20 2025
Filed May 22 2025 · 5:30 PM ET NETSALE Cloudflare, Inc. View filing → $1.2M
10,000 sh × $120.14
Exec Apr 25 2025
Filed Apr 28 2025 · 5:30 PM ET NETSALE Cloudflare, Inc. View filing → $1.2M
10,000 sh × $120.00
Exec Mar 20 2025
Filed Mar 21 2025 · 5:30 PM ET NETSALE Cloudflare, Inc. View filing → $2.1M
14,700 sh across 5 lots
Exec Mar 5 2025
Filed Mar 6 2025 · 5:30 PM ET NETSALE Cloudflare, Inc. View filing → $4.5M
27,935 sh across 5 lots
Exec Feb 19 2025
Filed Feb 19 2025 · 5:30 PM ET More filings →