INSIDER
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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
Corporate insider
GY

Greenstreet Yvonne

Director, Chief Executive OfficerCIK 0001446125

EDGAR filingsOpen in network
Disclosed transactions57
Buys / sells0 / 41
Max Insider Score35
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
35
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$279K
778 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    ALNYLAM PHARMACEUTICALS, INC.Director, Chief Executive Officer · Nov 14, 2025
32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL
$217K
607 sh
Jan 12, 2026
Jan 14, 2026
traded Jan 12, 2026
+2d
SEC FORM 4

Evidence

32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$94K
263 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$96K
269 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$87K
247 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

16
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Grant or award
A—
19.0K sh
Jan 11, 2026Jan 14, 2026
traded Jan 11, 2026
+3dSEC FORM 4

Evidence

29
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$44K
118 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

35
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$510K
1,395 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

29
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$36K
94 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

29
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$44K
118 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

29
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$33K
88 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

29
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$7,822
21 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$93K
253 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$215K
584 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$96K
261 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$116K
316 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

35
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$459K
1,259 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$109K
301 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$168K
464 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$226K
624 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

35
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$353K
980 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

32
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale
SELL$193K
537 sh
Jan 12, 2026Jan 14, 2026
traded Jan 12, 2026
+2dSEC FORM 4

Evidence

11
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise
M$100K
839 sh
Nov 26, 2025Dec 1, 2025
traded Nov 26, 2025
+5dSEC FORM 4

Evidence

11
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise
M$200K
2,352 sh
Nov 26, 2025Dec 1, 2025
traded Nov 26, 2025
+5dSEC FORM 4

Evidence

11
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise
M$100K
847 sh
Nov 26, 2025Dec 1, 2025
traded Nov 26, 2025
+5dSEC FORM 4

Evidence

11
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise
M$100K
659 sh
Nov 26, 2025Dec 1, 2025
traded Nov 26, 2025
+5dSEC FORM 4

Evidence

14
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Tax withholding
F$499K
1,121 sh
Nov 26, 2025Dec 1, 2025
traded Nov 26, 2025
+5dSEC FORM 4

Evidence

8
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise
M—
847 sh
Nov 26, 2025Dec 1, 2025
traded Nov 26, 2025
+5dSEC FORM 4

Evidence

8
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise
M—
839 sh
Nov 26, 2025Dec 1, 2025
traded Nov 26, 2025
+5dSEC FORM 4

Evidence

8
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise
M—
659 sh
Nov 26, 2025Dec 1, 2025
traded Nov 26, 2025
+5dSEC FORM 4

Evidence

8
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise
M—
2,352 sh
Nov 26, 2025Dec 1, 2025
traded Nov 26, 2025
+5dSEC FORM 4

Evidence

0
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise · 10b5-1 plan
M—
650 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

0
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise · 10b5-1 plan
M—
15.0K sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

0
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise · 10b5-1 plan
M—
10.0K sh
Nov 13, 2025Nov 14, 2025
traded Nov 13, 2025
+1dSEC FORM 4

Evidence

1
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$89K
195 sh
Nov 13, 2025Nov 14, 2025
traded Nov 13, 2025
+1dSEC FORM 4

Evidence

4
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$400K
881 sh
Nov 13, 2025Nov 14, 2025
traded Nov 13, 2025
+1dSEC FORM 4

Evidence

0
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise · 10b5-1 plan
M$27K
650 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

4
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$724K
1,599 sh
Nov 13, 2025Nov 14, 2025
traded Nov 13, 2025
+1dSEC FORM 4

Evidence

4
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$769K
1,702 sh
Nov 13, 2025Nov 14, 2025
traded Nov 13, 2025
+1dSEC FORM 4

Evidence

4
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$1000K
2,218 sh
Nov 13, 2025Nov 14, 2025
traded Nov 13, 2025
+1dSEC FORM 4

Evidence

4
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$665K
1,477 sh
Nov 13, 2025Nov 14, 2025
traded Nov 13, 2025
+1dSEC FORM 4

Evidence

4
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$455K
1,013 sh
Nov 13, 2025Nov 14, 2025
traded Nov 13, 2025
+1dSEC FORM 4

Evidence

4
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$293K
654 sh
Nov 13, 2025Nov 14, 2025
traded Nov 13, 2025
+1dSEC FORM 4

Evidence

5
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise · 10b5-1 plan
M$1.19M
10.0K sh
Nov 13, 2025Nov 14, 2025
traded Nov 13, 2025
+1dSEC FORM 4

Evidence

8
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$197K
430 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

11
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$276K
604 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

14
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$1.11M
2,420 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

14
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$1.55M
3,406 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

11
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$891K
1,960 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

11
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$485K
1,069 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

11
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$547K
1,210 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

11
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$566K
1,255 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

8
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$204K
453 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

11
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$958K
2,132 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

11
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$319K
711 sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

16
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Option exercise · 10b5-1 plan
M$1.79M
15.0K sh
Nov 12, 2025Nov 14, 2025
traded Nov 12, 2025
+2dSEC FORM 4

Evidence

1
GY
Greenstreet YvonneDirector, Chief Executive Officer
ALNYALNYLAM PHARMACEUTICALS, INC.
Open-market sale · 10b5-1 plan
SELL$119K
261 sh
Nov 13, 2025Nov 14, 2025
traded Nov 13, 2025
+1dSEC FORM 4

Evidence