Thomas J Seifert

CFO Thomas J Seifert sells 10,000 shares for $2.3M at NET via scheduled 10b5-1 plan

Thomas J Seifert, Chief Financial Officer of Cloudflare, executed 8 separate sales totaling 10,000 shares for $2,323,887.22 on 2026-06-17, reducing his non-derivative holdings from 126,733 shares to 116,733 shares. This transaction is part of a pre-arranged 10b5-1 trading plan adopted on 2025-11-20, meaning it was scheduled, not discretionary. Seifert retains 57,850 shares in derivative holdings across three ownership vehicles (30,000 stock options and 18,925 plus 8,925 Class B shares), so his overall position remains material. His prior sales at NET on 2026-05-18 showed positive 30-day returns (ranging from +12.2% to +17.4%), and his cross-ticker track record reflects an average 90-day return of +11.8% after sells, though the stock is currently trading at $226.87 against the blended average sale price of $232.39.

CFO Thomas J Seifert sells 10,000 shares at NET for $2,006,067.52 under pre-arranged 10b5-1 plan

Thomas J Seifert, Chief Financial Officer, executed 8 separate sales totaling 10,000 shares for $2,006,067.52 on 2026-05-18 under a 10b5-1 trading plan adopted on 2025-11-20, reducing his holdings from 222.0K to 212.0K shares (-4.5%). The transaction is scheduled rather than discretionary per the plan adoption. Seifert's prior sales at NET show 30-day returns of -1.0%, +0.8%, -1.5%, -1.7%, and -0.2%, while 90-day returns from those same trades ranged from +1.1% to +2.9%. At the time of filing, NET trades at $206.73, above the blended sale price of $200.61, and the company reports $639.8M revenue with annual growth of +29.8%, though it posted a net loss of $-22.9M in its latest full fiscal year.

CFO Thomas J. Seifert sells 10,000 NET shares at $195.09–$200.95 for $1.98M on 2026-04-17

On 2026-04-17, Cloudflare CFO Thomas J. Seifert executed 7 separate sales totaling 10,000 shares for $1,979,757.18, reducing holdings from 231.7K to 221.7K shares. The sales were executed across a narrow price range ($195.09–$200.95) with a blended average of $197.98, modestly below the current price of $200.99. His cross-ticker track record shows an average 30-day return of +10.5% after prior sells, though his recent same-ticker history at NET (5 prior sales all on 2026-03-17) yielded 30-day declines ranging from -5.0% to -7.4%, establishing a pattern of sales preceding near-term weakness at this ticker. The company reported $562.0M in latest-quarter revenue with +29.8% annual growth but remains unprofitable at the full-year level, creating a fundamental backdrop where insider activity carries elevated relevance for capital allocation signaling.

CFO Thomas Seifert sells 10,341 shares at avg $212.30 for $2.2M (post-derivative conversion)

Thomas Seifert, CFO of Cloudflare, executed 5 separate sales totaling 10,341 shares for $2,195,441.85 on 2026-03-17, with prices ranging from $207.68 to $213.23 and a blended average of $212.30. This represents a 4.4% reduction in his holdings to 224,625 shares post-transaction. The sale occurs in the context of Cloudflare stock trading at $211.52 (current), within its 52-week range of $97.08–$253.30 and 16.5% below its 52-week high, though up 8.0% over the preceding 30 days and 10.5% over 90 days. The company reported latest-quarter revenue of $562,027,000.00 with net income of $-1,290,000.00, though annual revenue growth stands at +29.8% year-over-year. Notably, this filing involves a derivative-conversion transaction; the Table I shares_after figure does not represent the insider's total position, as derivative holdings remain pending in the database. Five recent same-ticker sales by Seifert on 2026-02-20 lack yet-measurable outcomes. The transaction occurs against modest positive near-term price momentum, though the company remains unprofitable over its most recent full fiscal year.

CFO Thomas Seifert sold 41,557 shares for $7.7M on Feb 20, reducing stake to 85,452 shares; stock down 35.3% from 52-week high.

CFO Thomas Seifert executed 17 separate sales totaling 41,557 shares for $7.7M at a blended average price of $185.04, reducing his stake by 32.7% to 85,452 shares. This is a material reduction, yet the current stock price of $163.81 is now 35.3% below the 52-week high and 5.6% lower over the past 30 days, indicating the stock has declined substantially since the transaction date. The company posted revenue of $562.0M with annual growth of 28.8%, but reported a net loss of $1.3M in the latest quarter and unprofitability over its most recent full fiscal year. The derivative-conversion nature of this filing means the insider's full position is not captured in Table I holdings; this sale represents a partial reduction of a specific batch rather than a complete position exit. The combination of material share reduction by a senior financial officer, concurrent fundamental weakness (profitability challenges), and subsequent price deterioration warrants monitoring of further executive positioning and quarterly results.

Cloudflare CFO Seifert sells 10,000 shares in 7 tranches for $1.8M; stock down 32.9% from 52-week high, recently fallen 15.9% in 30 days

Thomas Seifert, Cloudflare's CFO, executed 7 separate sales totaling 10,000 shares for $1,783,681.83 on 2026-01-20 at blended average $178.37. The transaction reduces his holdings from 147.5K to 137.5K shares. The sale occurs amid significant recent price weakness: Cloudflare shares have declined 32.9% from the 52-week high of $253.30 and fallen 15.9% over the prior 30 days and 21.7% over 90 days. Seifert's most recent prior sales at NET (five transactions on 2025-12-22, just 29 days ago) all showed negative 30-day returns ranging from -14.4% to -16.4%. The company remains unprofitable (latest quarter net income -$1.3M, full-year net income negative), though revenue grew 28.8% annually. The FLAG note indicates this involves derivative conversion, so the reported 137.5K shares post-transaction does not reflect the insider's complete economic position in Table II derivatives (not yet populated in the database).

CFO Seifert sold 10,000 NET shares for $2.0M across 5 transactions at $198.64–$203.35 on 2025-12-22.

Thomas J. Seifert, Chief Financial Officer of Cloudflare, executed 5 separate sales totaling 10,000 shares for $2,016,931.21, reducing his holding from 147.5K to 137.5K shares (-6.8%). The blended average price of $201.69 sits within the stock's 52-week range of $97.08–$253.30, currently 20.2% below the 52-week high. Seifert's cross-ticker track record shows a 90-day well-timed rate of 100.00% across 20 prior sells, though at Cloudflare specifically, his 5 prior sales on 2025-11-20 show mixed 30-day results (ranging -1.6% to +2.8%) with no measurable 90-day outcomes yet. The company generated $562.0M in latest quarterly revenue with annual growth of +28.8%, but remains unprofitable with a net loss of $-1.3M in its most recent full fiscal year. This filing involves a derivative-conversion transaction, meaning the Table I shares_after figure does not represent the insider's complete economic position.

Cloudflare CFO SEIFERT sold 41,555 shares over 13 transactions for $8,069,177.82 on 2025-11-20; stock down 11.6% over 30 days.

Thomas J. Seifert, CFO, executed 13 separate sales totaling 41,555 shares for $8,069,177.82 with a blended average price of $194.18. This represents a 23.2% reduction in his post-transaction holdings to 137,486 shares. The timing is notable: Cloudflare shares have declined 11.6% over the past 30 days and 26.4% from their 52-week high of $253.30, while his five prior open-market sales at NET in October each showed negative 30-day returns (-6.4% to -8.1%). The company reported unprofitable operations in its most recent full fiscal year, though annual revenue growth of 28.8% indicates expansion. This filing does not disclose whether derivative securities remain in Table II, so the reported shareholding may not represent the insider's total economic position.

CFO Seifert sells 10,000 shares ($2.1M) across 5 transactions; holds 189.5K shares post-sale

Thomas J. Seifert, Cloudflare's CFO, executed 5 separate sales totaling 10,000 shares for $2,118,136.65 on 2025-10-20, reducing his stake by 5.0% to 189,517 shares. The company remains unprofitable (net income $-50,446,000 on revenue of $512,316,000 in the latest quarter) and trades -6.7% from its 52-week high of $228.28, having declined 5.7% in the 30-day window. His cross-ticker track record shows 20 prior sells with an average 30-day return of +15.1%, but this ticker-specific signal cannot be assessed yet—his 5 most recent trades at NET (all on 2025-09-22) lack measurable 90-day outcomes. The sale is liquid and material in dollar terms but represents a fractional reduction of holdings rather than a significant position exit, consistent with standard executive portfolio management.

CFO Seifert sells 10,000 NET shares for $2.3M across 7 transactions; retains 189.5K shares post-transaction

Thomas J. Seifert, CFO of Cloudflare (NET), executed 7 separate sales totaling 10,000 shares for $2,276,443.55 on 2025-09-22, reducing his holdings from 199.5K to 189.5K shares (a -5.0% reduction). The stock traded at $223.49–$229.93 across the transactions, with a blended average price of $227.64, near the current price of $228.28. This sale occurs at the 52-week high, following a 30-day gain of +16.4% and 90-day gain of +22.4%. Across Seifert's same-ticker history at NET, his 5 prior sales on 2025-08-20 showed positive 30-day outcomes (ranging +16.0% to +21.9%), indicating a pattern of selling into strength at this security. The company remains unprofitable with a net loss of $-50,446,000.00 in the latest quarter, though revenue growth accelerated at +28.8% year-over-year, creating mixed fundamental signals.