Insiders who reported open-market trades in the last 12 months at the companies Deirdre Mary Bigley files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Carsten Koerl - $10.02M in SRAD purchases and sales in the last 12 months
Marc Walder - $843K in SRAD purchases and sales in the last 12 months
Jeffery W. Yabuki - $129K in SRAD purchases and sales in the last 12 months
William Kurtz - $104K in SRAD purchases and sales in the last 12 months
Rajani Ramanathan - $100K in SRAD purchases and sales in the last 12 months
George Fleet - $100K in SRAD purchases and sales in the last 12 months
More insiders (A-Z)
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Deirdre Mary Bigley is a corporate insider of Shutterstock, Inc. (SSTK). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Deirdre Mary Bigley last file a Form 4?
The most recent primary Form 4 on record is dated 12 June 2026, one of 4 filings going back to 2026.
Has Deirdre Mary Bigley been buying or selling stock?
Recorded transactions: 1 open-market purchase ($50K) and 0 open-market sales across all tracked filings.
Deirdre Mary Bigley files SEC Form 4 reports at Shutterstock, Inc. (SSTK). 4 SEC Form 4 filings on record, most recently on 12 June 2026. Most recent open-market trade: bought $50K of SRAD on 4 May 2026. Lifetime open-market purchases: $50K.
Recent transactions
4
The latest 4 SEC Form 4 transactions reported by Deirdre Mary Bigley.
InsiderAlpha's records for Deirdre Mary Bigley go back to 2026: 4 primary Form 4 filings, an average of 4.0 per year. The typical open-market purchase is $50K (1 buy totaling $50K). The largest single buy on record is $50K of SRAD in 2026. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
