Joe Mastrangelo
CIK: 0001833309
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Eos Energy Enterprises, Inc.
Discretionary Trading P&L
Holdings
Transaction History (21 total)
- Sep 16, 2026EOSE
Eos Energy Enterprises, Inc.
Sale(S)Direct250K shares at avg. $3.92$980K - Sep 14, 2026EOSE
Eos Energy Enterprises, Inc.
Award(A)Direct500K shares- - Sep 14, 2026EOSE
Eos Energy Enterprises, Inc.
Exercise(M)DirectPerformance-Based Restricted Stock Units
500K shares- - Aug 24, 2026EOSE
Eos Energy Enterprises, Inc.
Award(A)DirectRestricted Stock Units
611.4K shares- - Jul 27, 2026EOSE
Eos Energy Enterprises, Inc.
Sale(S)Direct159.2K shares at avg. $3.61$575K - Jul 25, 2026EOSE
Eos Energy Enterprises, Inc.
Exercise(M)Direct333.3K shares- - Jul 21, 2026EOSE
Eos Energy Enterprises, Inc.
Exercise(M)Direct111.1K shares at avg. $5.48$609K - Jul 6, 2026EOSE
Eos Energy Enterprises, Inc.
Tax Payment(F)Direct121.2K shares at avg. $5.06$613K - Jul 5, 2026EOSE
Eos Energy Enterprises, Inc.
Exercise(M)Direct254.3K shares- - Jun 12, 2026EOSE
Eos Energy Enterprises, Inc.
Tax Payment(F)Direct116.6K shares at avg. $6.06$707K - Jun 12, 2026EOSE
Eos Energy Enterprises, Inc.
Exercise(M)Direct200K shares at avg. $1.34$268K - Mar 4, 2026EOSE
Eos Energy Enterprises, Inc.
Purchase(P)Direct23.9K shares at avg. $6.58$157K - Mar 2, 2026EOSE
Eos Energy Enterprises, Inc.
Purchase(P)Direct60K shares at avg. $5.75$345K - Jul 29, 2025EOSE
Eos Energy Enterprises, Inc.
Sale(S)Direct166.7K shares at avg. $5.94$990K - Jul 25, 2025EOSE
Eos Energy Enterprises, Inc.
Exercise(M)Direct333.3K shares- - Jul 8, 2025EOSE
Eos Energy Enterprises, Inc.
Sale(S)Direct127.2K shares at avg. $4.92$626K - Jul 5, 2025EOSE
Eos Energy Enterprises, Inc.
Exercise(M)Direct254.3K shares- - Jun 26, 2025EOSE
Eos Energy Enterprises, Inc.
Award(A)DirectRestricted Stock Units
391.7K shares- - May 16, 2025EOSE
Eos Energy Enterprises, Inc.
Sale(S)Direct270.4K shares at avg. $6.86$1.9M - May 8, 2025EOSE
Eos Energy Enterprises, Inc.
Award(A)DirectPerformance-Based Restricted Stock Units
470K shares- - May 8, 2025EOSE
Eos Energy Enterprises, Inc.
Exercise(M)Direct470K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 16, 2026 | EOSE Eos Energy Enterprises, Inc. | Sale(S) | 250,000 | $3.92 | $980,000 | Direct |
| Sep 14, 2026 | EOSE Eos Energy Enterprises, Inc. | Award(A) | 500,000 | - | $0 | Direct |
| Sep 14, 2026 | EOSE Eos Energy Enterprises, Inc. | Exercise(M) Performance-Based Restricted Stock Units | 500,000 | - | - | Direct |
| Aug 24, 2026 | EOSE Eos Energy Enterprises, Inc. | Award(A) Restricted Stock Units | 611,406 | - | - | Direct |
| Jul 27, 2026 | EOSE Eos Energy Enterprises, Inc. | Sale(S) | 159,154 | $3.61 | $574,546 | Direct |
| Jul 25, 2026 | EOSE Eos Energy Enterprises, Inc. | Exercise(M) | 333,334 | - | $0 | Direct |
| Jul 21, 2026 | EOSE Eos Energy Enterprises, Inc. | Exercise(M) | 111,118 | $5.48 | $608,927 | Direct |
| Jul 6, 2026 | EOSE Eos Energy Enterprises, Inc. | Tax Payment(F) | 121,245 | $5.06 | $613,500 | Direct |
| Jul 5, 2026 | EOSE Eos Energy Enterprises, Inc. | Exercise(M) | 254,304 | - | $0 | Direct |
| Jun 12, 2026 | EOSE Eos Energy Enterprises, Inc. | Tax Payment(F) | 116,646 | $6.06 | $706,875 | Direct |
| Jun 12, 2026 | EOSE Eos Energy Enterprises, Inc. | Exercise(M) | 200,000 | $1.34 | $268,000 | Direct |
| Mar 4, 2026 | EOSE Eos Energy Enterprises, Inc. | Purchase(P) | 23,900 | $6.58 | $157,262 | Direct |
| Mar 2, 2026 | EOSE Eos Energy Enterprises, Inc. | Purchase(P) | 60,000 | $5.75 | $345,000 | Direct |
| Jul 29, 2025 | EOSE Eos Energy Enterprises, Inc. | Sale(S) | 166,667 | $5.94 | $990,002 | Direct |
| Jul 25, 2025 | EOSE Eos Energy Enterprises, Inc. | Exercise(M) | 333,333 | - | - | Direct |
| Jul 8, 2025 | EOSE Eos Energy Enterprises, Inc. | Sale(S) | 127,152 | $4.92 | $625,588 | Direct |
| Jul 5, 2025 | EOSE Eos Energy Enterprises, Inc. | Exercise(M) | 254,303 | - | - | Direct |
| Jun 26, 2025 | EOSE Eos Energy Enterprises, Inc. | Award(A) Restricted Stock Units | 391,710 | - | - | Direct |
| May 16, 2025 | EOSE Eos Energy Enterprises, Inc. | Sale(S) | 270,384 | $6.86 | $1,854,834 | Direct |
| May 8, 2025 | EOSE Eos Energy Enterprises, Inc. | Award(A) Performance-Based Restricted Stock Units | 470,000 | - | - | Direct |
| May 8, 2025 | EOSE Eos Energy Enterprises, Inc. | Exercise(M) | 470,000 | - | - | Direct |
1-21 of 21 transactions
About Mastrangelo Joe
Mastrangelo Joe (SEC CIK 0001833309) files insider reports with the SEC as Chief Executive Officer of Eos Energy Enterprises, Inc. (EOSE).
Signal8 holds 13 ownership filings by Mastrangelo Joe, all Form 4s, filed between May 12, 2025 and Sep 16, 2026. Those filings report 21 transactions, from May 8, 2025 to Sep 16, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Mastrangelo Joe's filings is in PITTSBURGH, PA.
Recent filings by Mastrangelo Joe
- Sep 16, 2026: Open-market sale of EOSE shares (Form 4, code S).
- Sep 14, 2026: Grant or award of EOSE shares (Form 4, code A).
- Sep 14, 2026: Option exercise of EOSE derivative securities (Form 4, code M).
- Aug 24, 2026: Grant or award of EOSE derivative securities (Form 4, code A).
- Jul 27, 2026: Open-market sale of EOSE shares (Form 4, code S).
Other insiders filing for Eos Energy Enterprises, Inc. (EOSE)
- Buczkowski Michelle, Chief Commercial Officer
- Puri Sumeet, Chief Accounting Officer
- Song Haiyan, Director
- Lagi Alessandro, Chief Financial Officer
- Cerberus GP Manager LLC, Director
- DIMITRIEF ALEXANDER, Director