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Multi-market insider intelligence. Official public filings, re-aggregated and scored. Private beta.

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Built in Paris. Public sources across 43 markets: AMF France, SEC EDGAR Form 4 US, BaFin Germany, SIX SER Switzerland, RNS United Kingdom, SEDI Canada, Consob Italy, CNMV Spain, AFM Netherlands, FSMA Belgium, Oslo Bors Norway, Nasdaq Helsinki, Nasdaq Copenhagen, ASX Australia, FMA Austria, CVM Brazil, HKEX Hong Kong, BSE-Sofia Bulgaria, Tadawul Saudi Arabia, DART South Korea, EDINET Japan, SSE and SZSE China, SEBI India, KNF Poland, PSE Philippines, NZX New Zealand, JSE South Africa, among others. Prices + fundamentals via Yahoo Finance, STOXX 600 sector ETFs (iShares Xetra). Stack: Next.js 16, Prisma, Vercel. Live out-of-sample tracker since 2026-05-16. Methodology audits: /methodologie and /docs/method-review/.

Sources: official public filings under MAR Art.19 (EU and EEA), SEC Section 16 / Form 4 (US), Art.56 SESTA (CH, SIX SER), NI 55-104 / SEDI (CA), Corporations Act s205G (AU) and equivalent regimes. Signals on this site are for educational use only and do not constitute investment advice within the meaning of MiFID II / SEC Reg-IA. Past performance does not guarantee future results. Swiss SIX SER filings are anonymised by law (role only, no name).

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← Executives ★ Sign in to follow

WD

Welch David F

Director

BoardM

USUS·SEC (Form 4)

0

Total declarations

0

Company

—

▲ Purchases (0 ops.)

€1m

▼ Sales (1 ops.)

Buys 0€1.2M€ Sells

Insider track record

Board Director

Disclosed buys

0

Disclosed sells

1

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

Explore the full record of transactions filed by Welch David F, Director. Officer active across 1 company, notably Infinera Corp. Cumulatively, 48 reports have been published. Split: 0 buy · 1 sell. Total volume traded: €1.2m. Activity tracked since 5 May 2021. The latest transaction was disclosed on 28 February 2025 (Levée d'options). Regulator: SEC (Form 4). All data is openly available.

Declarations48 total

◇

Director·Executives·28 Feb 2025·Infinera Corp

100,001 shares0Common StockSEC:0001138639-25-000055:0

◇

Director·Executives·5 Jan 2025·Infinera Corp

8,333 shares0Common StockSEC:0001138639-25-000007:0

◇

Director·Executives·5 Dec 2024·Infinera Corp

8,333 shares0Common StockSEC:0001138639-24-000242:0

◇

Director·Executives·5 Oct 2024·Infinera Corp

8,333 shares0Common StockSEC:0001138639-24-000227:0

◇

Director·Executives·5 Sept 2024·Infinera Corp

8,333 shares0Common StockSEC:0001138639-24-000217:0

◇

Director·Executives·5 Jul 2024·Infinera Corp

8,333 shares0Common StockSEC:0001138639-24-000196:0

◇

Director·Executives·5 Jun 2024·Infinera Corp

8,333 shares0Common StockSEC:0001138639-24-000168:0

◇

Director·Executives·5 Apr 2024·Infinera Corp

37,501 shares0Common StockSEC:0001138639-24-000081:0

◇

Director·Executives·5 Mar 2024·Infinera Corp

8,334 shares0Common StockSEC:0001138639-24-000056:0

◇

Director·Executives·5 Jan 2024·Infinera Corp

4,167 shares0Common StockSEC:0001138639-24-000009:0

◇

Director·Executives·5 Dec 2023·Infinera Corp

8,333 shares0Common StockSEC:0001138639-23-000208:0

◇

Director·Executives·5 Oct 2023·Infinera Corp

4,166 shares0Common StockSEC:0001138639-23-000192:0

◇

Director·Executives·5 Sept 2023·Infinera Corp

8,333 shares0Common StockSEC:0001138639-23-000174:0

◇

Director·Executives·5 Jul 2023·Infinera Corp

4,167 shares0Common StockSEC:0001138639-23-000147:0

◇

Director·Executives·5 Jun 2023·Infinera Corp

8,333 shares0Common StockSEC:0001138639-23-000132:0

◇

Director·Executives·5 Apr 2023·Infinera Corp

8,392 shares0Common StockSEC:0001138639-23-000081:0

◇

Director·Executives·5 Mar 2023·Infinera Corp

39,584 shares0Common StockSEC:0001138639-23-000037:0

◇

Director·Executives·5 Jan 2023·Infinera Corp

8,391 shares0Common StockSEC:0001138639-23-000012:0

◇

Director·Executives·5 Dec 2022·Infinera Corp

6,250 shares0Common StockSEC:0001138639-22-000171:0

◇

Director·Executives·5 Oct 2022·Infinera Corp

8,382 shares0Common StockSEC:0001138639-22-000151:0

◇

Director·Executives·5 Sept 2022·Infinera Corp

6,250 shares0Common StockSEC:0001138639-22-000139:0

◇

Director·Executives·21 Jul 2022·Infinera Corp

150,000 shares0Common StockSEC:0001138639-22-000115:0

◇

Director·Executives·5 Jul 2022·Infinera Corp

8,391 shares0Common StockSEC:0001138639-22-000113:0

◇

Director·Executives·5 Jun 2022·Infinera Corp

6,250 shares0Common StockSEC:0001138639-22-000098:0

◇

Director·Executives·5 May 2022·Infinera Corp

17,187 shares0Common StockSEC:0001209191-22-027710:0

25 of 48 declarations

About Welch David F

David F Welch is an executive at Infinera Corp.

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