Mark Vachon

CIK 1614018 · last filed 2025-06-03

Mark Vachon is a corporate insider who has filed 18 SEC Form 4 insider transactions across 1 company since 2014. The most recent filing, for BLUE, was dated Jun 3, 2025. Across all open-market trades the lifetime net is −$4.9M, making them a net seller over the disclosed history.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$0

Companies

1

Total Filings

18

Lifetime Open-Market Net

-$4.88M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
bluebird bio, Inc. (BLUE) Delisted Director 0 $4.97 $0 -$4.88M 18 2025-06-03

Recent Filings

18 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-06-03 bluebird bio, Inc. (BLUE) Delisted Mixed −2,497 $0 EDGAR
2024-11-08 bluebird bio, Inc. (BLUE) Delisted Grant (A) +24,900 $0 EDGAR
2023-06-20 bluebird bio, Inc. (BLUE) Delisted Grant (A) +10,790 $0 EDGAR
2022-06-23 bluebird bio, Inc. (BLUE) Delisted Grant (A) +4,353 $0 EDGAR
2021-11-16 bluebird bio, Inc. (BLUE) Delisted Other (J) +6,241 $0 EDGAR
2021-06-17 bluebird bio, Inc. (BLUE) Delisted Grant (A) +3,109 $0 EDGAR
2020-06-22 bluebird bio, Inc. (BLUE) Delisted Grant (A) +1,657 $0 EDGAR
2019-06-10 bluebird bio, Inc. (BLUE) Delisted Grant (A) +1,000 $0 EDGAR
2018-06-22 bluebird bio, Inc. (BLUE) Delisted Grant (A) +1,000 $0 EDGAR
2018-06-18 bluebird bio, Inc. (BLUE) Delisted Sell (S) −1,000 -$190.0K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.