Dennis A. Ausiello
CIK: 0001381994
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (29 total)
- Jul 8, 2026MCRB
Seres Therapeutics, Inc.
Award(A)DirectStock Option (right to buy)
6.5K shares- - Jul 1, 2026MCRB
Seres Therapeutics, Inc.
Award(A)DirectStock Option (right to buy)
7.5K shares- - May 28, 2026RANI
Rani Therapeutics Holdings, Inc.
Award(A)DirectDirector Stock Option (Right to Buy)
123.6K shares- - May 20, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Award(A)Direct671 shares- - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Exercise(M)Direct4K shares at avg. $171.95$693K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Exercise(M)Direct3.5K shares at avg. $189.87$656K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct2K shares at avg. $430.81$855K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct1.9K shares at avg. $432.94$839K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct2.1K shares at avg. $434.50$912K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct7.7K shares at avg. $435.40$3.3M - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct5.4K shares at avg. $436.00$2.3M - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct1.9K shares at avg. $437.56$841K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct2.1K shares at avg. $438.34$914K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct5.3K shares at avg. $439.27$2.3M - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct1.2K shares at avg. $440.54$545K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct1.2K shares at avg. $441.88$532K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct641 shares at avg. $442.66$284K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Exercise(M)Direct9K shares at avg. $72.01$648K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Exercise(M)Direct5.2K shares at avg. $128.31$661K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Exercise(M)Direct4.6K shares at avg. $148.77$682K - Aug 14, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Exercise(M)Direct5.2K shares at avg. $151.22$791K - Jul 1, 2025MCRB
Seres Therapeutics, Inc.
Award(A)DirectStock Option (right to buy)
6.5K shares- - May 28, 2025RANI
Rani Therapeutics Holdings, Inc.
Award(A)DirectDirector Stock Option (Right to Buy)
50K shares- - May 8, 2025ALNY
ALNYLAM PHARMACEUTICALS, INC.
Award(A)Direct775 shares- - Apr 10, 2025MCRB
Seres Therapeutics, Inc.
Award(A)DirectStock Option (right to buy)
100K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 8, 2026 |  MCRB Seres Therapeutics, Inc. | Award(A) Stock Option (right to buy) | 6,500 | - | - | Direct |
| Jul 1, 2026 | MCRB Seres Therapeutics, Inc. | Award(A) Stock Option (right to buy) | 7,508 | - | - | Direct |
| May 28, 2026 |  RANI Rani Therapeutics Holdings, Inc. | Award(A) Director Stock Option (Right to Buy) | 123,600 | - | - | Direct |
| May 20, 2026 |  ALNY ALNYLAM PHARMACEUTICALS, INC. | Award(A) | 671 | - | $0 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Exercise(M) | 4,032 | $171.95 | $693,302 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Exercise(M) | 3,454 | $189.87 | $655,811 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 1,985 | $430.81 | $855,158 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 1,938 | $432.94 | $839,038 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 2,098 | $434.50 | $911,581 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 7,675 | $435.40 | $3,341,695 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 5,358 | $436.00 | $2,336,088 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 1,922 | $437.56 | $840,990 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 2,086 | $438.34 | $914,377 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 5,302 | $439.27 | $2,329,010 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 1,238 | $440.54 | $545,389 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 1,205 | $441.88 | $532,465 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 641 | $442.66 | $283,745 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Exercise(M) | 9,000 | $72.01 | $648,090 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Exercise(M) | 5,153 | $128.31 | $661,181 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Exercise(M) | 4,581 | $148.77 | $681,515 | Direct |
| Aug 14, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Exercise(M) | 5,228 | $151.22 | $790,578 | Direct |
| Jul 1, 2025 | MCRB Seres Therapeutics, Inc. | Award(A) Stock Option (right to buy) | 6,452 | - | - | Direct |
| May 28, 2025 | RANI Rani Therapeutics Holdings, Inc. | Award(A) Director Stock Option (Right to Buy) | 50,000 | - | - | Direct |
| May 8, 2025 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Award(A) | 775 | - | - | Direct |
| Apr 10, 2025 | MCRB Seres Therapeutics, Inc. | Award(A) Stock Option (right to buy) | 100,000 | - | - | Direct |
1-25 of 29 transactions
About Ausiello Dennis A
Ausiello Dennis A (SEC CIK 0001381994) files insider reports with the SEC as Director of Seres Therapeutics, Inc. (MCRB), Director of Rani Therapeutics Holdings, Inc. (RANI) and Director of ALNYLAM PHARMACEUTICALS, INC. (ALNY).
Signal8 holds 10 ownership filings by Ausiello Dennis A, all Form 4s, filed between Dec 17, 2024 and Jul 10, 2026. Those filings report 29 transactions, from Dec 16, 2024 to Jul 8, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Ausiello Dennis A's filings is in CAMBRIDGE, MA.
Recent filings by Ausiello Dennis A
- Jul 8, 2026: Grant or award of MCRB derivative securities (Form 4, code A).
- Jul 1, 2026: Grant or award of MCRB derivative securities (Form 4, code A).
- May 28, 2026: Grant or award of RANI derivative securities (Form 4, code A).
- May 20, 2026: Grant or award of ALNY shares (Form 4, code A).
- Aug 14, 2025: Option exercises of ALNY shares (2 lines, Form 4, code M).