CHRISTOPHER S. BOERNER

CIK 1543747 · Chief Executive Officer · last filed 2026-05-13

CHRISTOPHER S. BOERNER is a Chief Executive Officer who has filed 32 SEC Form 4 insider transactions across 5 companies since 2012. The most recent filing, for CL, was dated May 13, 2026. Across all open-market trades the lifetime net is −$2.1M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $404.0K across reported positions.

"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

$404.0K

Companies

5

Total Filings

32

Lifetime Open-Market Net

-$2.11M

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
CL Director 1,383 $89.45 $123.7K $0 1 2026-05-13
CELGr Chief Executive Officer 172,821 $0.12 $21.2K -$1.68M 21 2026-03-12
BMY EVP, Chief Commercial Officer 4,534 $57.13 $259.0K $0 2 2019-03-13
Seagen Inc. (SGEN) Delisted Executive Vice President, Comm 72,358 $228.74 $16.55M -$429.1K 7 2014-08-27
Achaogen, Inc. (AKAO) Delisted Director $0 1 2014-03-31

Recent Filings

32 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-13 CL Grant (A) +1,383 $0 EDGAR
2026-03-12 CELGr Mixed +20,269 -$1.28M EDGAR
2025-11-04 CELGr Mixed +1,182 -$57.0K EDGAR
2025-06-16 CELGr Gift (G) $0 EDGAR
2025-06-04 CELGr Gift (G) $0 EDGAR
2025-03-12 CELGr Mixed +20,813 -$1.38M EDGAR
2025-02-21 CELGr Buy (P) +2,000 $110.1K EDGAR
2024-11-05 CELGr Mixed +1,421 -$80.8K EDGAR
2024-03-12 CELGr Mixed +18,533 -$1.04M EDGAR
2023-12-07 CELGr Buy (P) +2,000 $99.6K 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.