Stock Trading Canary

United States · SEC Form 4 · Snapshot date: 2026-10-18 · Built: 2026-10-18 · 中文

← United States · Coverage record

US · SEC FORM 4

Emergent BioSolutions Inc.

EBS · NYSE · CIK 0001367644 · Healthcare · Drug Manufacturers—Specialty & Generic

INSIDER SIGNAL

No active buy signal

0 qualifying P purchase groups
in the current 180-day scoring window

30 Form 4 transaction lines observed in the same window
10 sales · 20 option, withholding, award, gift or other lines

Last qualifying purchase2025-05-13 · PAPA JOSEPH C · $349.8K

WHY NO ACTIVE SIGNAL?

Purchase activityNone
Recent buyingNone
Recent salesModerate
Buy signal statusInactive
Score anatomy

No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.

ClusterNot calculated
Purchase sizeNot calculated
RoleNot calculated
RecencyNot calculated
ConvictionNot calculated

Why is there no score?

  • No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
  • Sales and other Form 4 activity remain visible as context and do not create a negative score.

Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.

Insider activity timeline

Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.

AprMayJunJulAugSepOct
Williams Paul AnthonySVP, Products Business
○○▼▼
DeGolyer Donald WDirector
○▼▼
LINDAHL RICHARD SEVP, Chief Financial Officer
○○
Hartzel WilliamSVP, Bioservices
○○
Glessner ColeenEVP, Quality & Ethics, and CPL
○○
Zoon Kathryn CDirector
○▼
● Purchase▼ Sale○ Other

Showing the six most active owners; 10 additional owner(s) remain in Form 4 evidence.

Purchase breadth, concentration & cluster buying

These modules activate when qualifying purchases enter the 180-day research window.

SIGNAL HISTORY

No recorded active-signal snapshot

Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2025-05-13 · PAPA JOSEPH C.

Recent Form 4 activity

0Purchases
15Sales
44Other Form 4 lines
45SEC filings · 365 days
BUYING0 qualifying P line(s) · 180 days
SELLING10 sale line(s) · context only
OTHER20 exercise / withholding / award / gift / other lines
10b5-1 / PLANNEDNot assessed

P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.

Market context

Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.

Short interest

Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.

Shares short
9,293,986
Previous report
9,786,380
Avg daily volume
1,119,034
Days to cover
8.3

FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.

Historical equity purchases

Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.

Transaction dateReporting ownerTypeSecuritySharesAvg. priceApprox. valueSource
2025-05-13PAPA JOSEPH CPurchase (P)Common Stock60,000USD 5.83USD 349,800SEC filing ↗
2021-11-15LINDAHL RICHARD SPurchase (P)Common Stock3,000USD 37.46USD 112,380SEC filing ↗

Form 4 evidence

59 transaction lines in the latest 365-day window; 465 in local history.

DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-10-07DeGolyer Donald WSale (S)Common Stock17,800USD 7.09USD 126,202SEC filing ↗
2026-10-01Williams Paul AnthonySale (S)Common Stock3,000USD 6.53USD 19,590SEC filing ↗
2026-07-01Williams Paul AnthonySale (S)Common Stock3,000USD 8.40USD 25,200SEC filing ↗
Show recent Form 4 evidence (30 grouped rows)
DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-10-07DeGolyer Donald WSale (S)Common Stock17,800USD 7.09USD 126,202SEC filing ↗
2026-10-01Williams Paul AnthonySale (S)Common Stock3,000USD 6.53USD 19,590SEC filing ↗
2026-07-01Williams Paul AnthonySale (S)Common Stock3,000USD 8.40USD 25,200SEC filing ↗
2026-06-08Williams Paul AnthonyTax withholding (F)Common Stock694USD 8.00USD 5,552SEC filing ↗
2026-06-08LINDAHL RICHARD STax withholding (F)Common Stock3,964USD 8.00USD 31,712SEC filing ↗
2026-06-08Hartzel WilliamTax withholding (F)Common Stock1,741USD 8.00USD 13,928SEC filing ↗
2026-06-08Glessner ColeenTax withholding (F)Common Stock2,018USD 8.00USD 16,144SEC filing ↗
2026-05-01Zoon Kathryn CSale (S)Common Stock17,202USD 8.40USD 144,453SEC filing ↗
2026-05-01DeGolyer Donald WSale (S)Common Stock15,481USD 8.40USD 129,994SEC filing ↗
2026-05-01Dayal Sujata TyagiSale (S)Common Stock13,761USD 8.40USD 115,610SEC filing ↗
2026-04-30Zoon Kathryn CAward / grant (A)Common Stock25,344USD 0.00USD 0SEC filing ↗
2026-04-30White Marvin LAward / grant (A)Common Stock25,344USD 0.00USD 0SEC filing ↗
2026-04-30Richard RonaldAward / grant (A)Common Stock25,344USD 0.00USD 0SEC filing ↗
2026-04-30Katkin KeithSale (S)Common Stock15,481USD 8.28USD 128,183SEC filing ↗
2026-04-30Katkin KeithAward / grant (A)Common Stock25,344USD 0.00USD 0SEC filing ↗
2026-04-30Harsanyi ZsoltAward / grant (A)Common Stock25,344USD 0.00USD 0SEC filing ↗
2026-04-30Fowler Neal FranklinAward / grant (A)Common Stock25,344USD 0.00USD 0SEC filing ↗
2026-04-30FOWLER JOHN D JRAward / grant (A)Common Stock25,344USD 0.00USD 0SEC filing ↗
2026-04-30DeGolyer Donald WAward / grant (A)Common Stock25,344USD 0.00USD 0SEC filing ↗
2026-04-30Dayal Sujata TyagiAward / grant (A)Common Stock25,344USD 0.00USD 0SEC filing ↗
2026-04-29Williams Paul AnthonyAward / grant (A)Common Stock100,111USD 0.00USD 0SEC filing ↗
2026-04-29Perl JessicaAward / grant (A)Common Stock104,282USD 0.00USD 0SEC filing ↗
2026-04-29PAPA JOSEPH CAward / grant (A)Common Stock187,708USD 0.00USD 0SEC filing ↗
2026-04-29Lowry Simon CAward / grant (A)Common Stock100,111USD 0.00USD 0SEC filing ↗
2026-04-29LINDAHL RICHARD SAward / grant (A)Common Stock162,680USD 0.00USD 0SEC filing ↗
2026-04-29Hartzel WilliamAward / grant (A)Common Stock100,111USD 0.00USD 0SEC filing ↗
2026-04-29Glessner ColeenAward / grant (A)Common Stock100,111USD 0.00USD 0SEC filing ↗
2026-04-01Williams Paul AnthonySale (S)Common Stock4,000USD 8.44USD 33,760SEC filing ↗
2026-03-05Williams Paul AnthonyTax withholding (F)Common Stock9,397USD 8.44USD 79,311SEC filing ↗
2026-03-05Perl JessicaTax withholding (F)Common Stock6,465USD 8.44USD 54,565SEC filing ↗

Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.

Snapshot & identity

Snapshot date2026-10-18
Ranking versionUS-v1.2
Data qualityPASS ELIGIBLE · —
TickerEBS
CIK0001367644
SectorHealthcare
IndustryDrug Manufacturers—Specialty & Generic Yahoo Finance
SEC SIC2834 Pharmaceutical Preparations
ExchangeNYSE

Data coverage

Local Form 4 history465 transaction lines from 2020-01-16 to 2026-10-07
2 P purchase lines · 103 S sale lines · 360 other lines
SEC company submissionsOpen SEC filings ↗

Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.