ALNYLAM PHARMACEUTICALS, INC. (ALNY) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-03

ALNYLAM PHARMACEUTICALS, INC. (ALNY) has filed 12 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-03. 2 Form 8-K material event filings were reported by ALNY in the last 90 days. 1 Form 144 notices of proposed sale were filed for ALNY stock. InsiderAlpha tracks every ALNY SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About ALNYLAM PHARMACEUTICALS, INC. (ALNY)

SIC classification	Pharmaceutical Preparations (SIC 2834)
SEC CIK	0001178670

90-Day SEC Filing Activity

Form 4 filings (90d)	12
Form 8-K filings (90d)	2
Form 144 notices (90d)	1
Latest Form 4 filing	2026-06-03

Recent ALNY Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-06-01	PYOTT DAVID E I	Director	M — Option exercise	3.8K	$0.00	—	SEC
2026-06-01	PYOTT DAVID E I	Director	S — Open-market sale	1.2K	$298.91	$351K	SEC
2026-06-01	PYOTT DAVID E I	Director	S — Open-market sale	17	$302.65	$5K	SEC
2026-06-01	PYOTT DAVID E I	Director	S — Open-market sale	1.2K	$299.87	$366K	SEC
2026-06-01	PYOTT DAVID E I	Director	S — Open-market sale	921	$297.71	$274K	SEC
2026-06-01	PYOTT DAVID E I	Director	S — Open-market sale	495	$300.72	$149K	SEC
2026-05-20	PYOTT DAVID E I	Director	A — Grant or award	671	$0.00	—	SEC
2026-05-20	Sigal Charles Elliott	Director	A — Grant or award	671	$0.00	—	SEC
2026-05-20	KELLOGG PETER N	Director	A — Grant or award	671	$0.00	—	SEC
2026-05-20	HAMBURG MARGARET A	Director	A — Grant or award	671	$0.00	—	SEC
2026-05-20	Ausiello Dennis A	Director	A — Grant or award	671	$0.00	—	SEC
2026-05-20	Arbuckle Stuart A	Director	A — Grant or award	671	$0.00	—	SEC
2026-05-20	SCHULMAN AMY W	Director	A — Grant or award	838	$0.00	—	SEC
2026-05-20	Reitan Colleen F	Director	A — Grant or award	671	$0.00	—	SEC
2026-05-20	BRANDICOURT OLIVIER	Director	A — Grant or award	671	$0.00	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for ALNYLAM PHARMACEUTICALS, INC. (ALNY). Updated in real time as new filings are submitted to the SEC.

Most-Active ALNY Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
PYOTT DAVID E I	9	$1.15M
SCHULMAN AMY W	4	$790K
Arbuckle Stuart A	2	—
Sigal Charles Elliott	2	—
KELLOGG PETER N	2	—

Recent ALNY Form 8-K Material Events

2026-05-27 — Item 5.02, 5.07 [SEC]
2026-04-30 — Item 2.02, 9.01 [SEC]
2026-03-04 — Item 5.02 · Leadership · positive [SEC]
Alnylam's Board of Directors granted a special equity award to CEO Yvonne Greenstreet on March 2, 2026, recognizing her leadership in achieving nearly 100% stockholder returns, launching AMVUTTRA across multiple indications including a landmark 2025 TTR cardiomyopathy approval, a

Recent ALNY Form 144 Notices of Proposed Sale

2026-06-01 — — [SEC]

Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.

Recent Insider Filings

2026-06-03 — PYOTT DAVID E I (Director)
2026-06-03 — Cravatt Benjamin (Director)
2026-05-22 — Sigal Charles Elliott (Director)
2026-05-22 — SCHULMAN AMY W (Director)
2026-05-22 — Reitan Colleen F (Director)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in ALNY insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

ALNY Insider Trading — FAQ

What is the latest insider trade for ALNY?: ALNYLAM PHARMACEUTICALS, INC. (ALNY) had 12 insider filings in the last 90 days, with the most recent on 2026-06-03. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying ALNY stock?: 0 insider purchases of ALNY were filed in the last 90 days.
How many insiders are selling ALNY stock?: 0 insider sales of ALNY were filed in the last 90 days.
Where can I see ALNY SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every ALNY SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Related Companies — Recent Insider Activity

Learn More

Open the live ALNY dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.