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Insider · CIK 0001919170

Coleen Glessner

officer

Files at EBS (Emergent BioSolutions Inc.). First filing Oct 16, 2025, latest Oct 16, 2025.

Coleen Glessner files SEC Form 4 as officer at EBS (Emergent BioSolutions Inc.). Since Oct 16, 2025, Coleen Glessner has reported 0 open-market buys worth $0 and 1 open-market sell worth $306k, the latest filed on Oct 16, 2025.

A track record needs three past buys with six months of prices behind them; Coleen Glessner has 0, so none is measured yet.

The newest scored trade: sold $306k of EBS on Oct 7, 2025, filed Oct 16, 2025, scored 14 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 1 sell worth $306k.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $306k sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

EBS: Emergent BioSolutions Inc.

EBSOct 9, 2026 · close 7.06

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
14Weak
EBSsell10b5-1
Emergent BioSolutions Inc.
$306k
30,608 shares
-17%+133% from low-17% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Oct 7, 2025 EBS
EMERGENT BIOSOLUTIONS INC.
30,608
0.06% of outstanding
$306kOct 7, 2025none

Transactions

Every row this insider has filed, 16 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 8, 2026EBS
Emergent BioSolutions Inc.
FTax withholding
Common Stock
-2,018$8.00$16k202,201Jun 10, 2026
Apr 29, 2026EBS
Emergent BioSolutions Inc.
AGrant or award
Common Stock
+100,111$0.00$0204,219May 1, 2026
Mar 5, 2026EBS
Emergent BioSolutions Inc.
FTax withholding
Common Stock
-8,199$8.44$69k104,108Mar 5, 2026
Mar 3, 2026EBS
Emergent BioSolutions Inc.
AGrant or award
Employee Stock Option (Right to buy)derivative
+44,834$0.00$0294,447Mar 5, 2026
Mar 1, 2026EBS
Emergent BioSolutions Inc.
FTax withholding
Common Stock
-313$8.15$2,551112,307Mar 3, 2026
Feb 6, 2026EBS
Emergent BioSolutions Inc.
DDisposition to issuer
Common Stock
-28,847$10.92$315k115,472Feb 10, 2026
Feb 6, 2026EBS
Emergent BioSolutions Inc.
FTax withholding
Common Stock
-2,852$10.92$31k112,620Feb 10, 2026
Oct 7, 2025EBS
Emergent BioSolutions Inc.
SOpen-market sale
Common Stock10b5-1
-30,608$10.00$306k144,319Oct 16, 2025
Jun 8, 2025EBS
Emergent BioSolutions Inc.
FTax withholding
Common Stock
-1,249$6.63$8,281174,927Jun 10, 2025
Apr 7, 2025EBS
Emergent BioSolutions Inc.
FTax withholding
Common Stock
-480$4.44$2,131176,176Apr 9, 2025
Mar 6, 2025EBS
Emergent BioSolutions Inc.
AGrant or award
Common Stock
+62,500$0.00$0176,656Mar 10, 2025
Mar 6, 2025EBS
Emergent BioSolutions Inc.
AGrant or award
Employee Stock Options (Right to Buy)derivative
+62,500$0.00$0249,613Mar 10, 2025
Feb 12, 2025EBS
Emergent BioSolutions Inc.
DDisposition to issuer
Common Stock
-5,913$0.00$0138,547Mar 4, 2025
Feb 12, 2025EBS
Emergent BioSolutions Inc.
DDisposition to issuer
Common Stock
-24,078$0.00$0114,469Mar 4, 2025
Mar 1, 2025EBS
Emergent BioSolutions Inc.
FTax withholding
Common Stock
-313$7.48$2,341114,156Mar 4, 2025
Dec 8, 2024EBS
Emergent BioSolutions Inc.
FTax withholding
Common Stock
-18,674$9.01$168k144,460Dec 10, 2024

Questions about Coleen Glessner

Answered from the filings on this page, as of the latest one.

Is Coleen Glessner buying or selling?

In the last 12 months Coleen Glessner reported 0 open-market buys worth $0 and 1 open-market sell worth $306k on SEC Form 4; the latest was sold $306k of EBS on Oct 7, 2025. Grants, option exercises and tax withholding are not counted.

How did Coleen Glessner's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Coleen Glessner has 0.

Where does Coleen Glessner file Form 4?

Coleen Glessner has filed Form 4 at EBS (Emergent BioSolutions Inc.) as EVP, Quality & Ethics, and CPL. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Coleen Glessner: insider trades and track record | InsiderTell