O'Brien Dana C.
SEC insider (Form 3/4/5 filer). CIK 0001134707. Director at AdvanSix Inc. (ASIX) and 2 other issuers. 11 reported Form 4/5 transactions since Sep 2024; latest on Jun 22, 2026. Located in PARSIPPANY, NJ.
Companies O'Brien Dana C. has filed insider reports for
- AdvanSix Inc. (ASIX): Director
- STERLING INFRASTRUCTURE, INC. (STRL): Director
- OLIN Corp (OLN): Officer, SVP, Chief Legal Officer
O'Brien Dana C.
CIK: 0001134707
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 (11 total)
- Jun 22, 2026ASIX
AdvanSix Inc.
AwardDirect6.2K shares- - May 7, 2026STRL
STERLING INFRASTRUCTURE, INC.
AwardDirect181 shares- - Feb 9, 2026STRL
STERLING INFRASTRUCTURE, INC.
SaleDirect2K shares at avg. $410.00$820K - Feb 6, 2026STRL
STERLING INFRASTRUCTURE, INC.
SaleDirect1K shares at avg. $400.00$400K - Feb 6, 2026STRL
STERLING INFRASTRUCTURE, INC.
SaleDirect1K shares at avg. $390.00$390K - Nov 12, 2025STRL
STERLING INFRASTRUCTURE, INC.
GiftDirect1K shares- - Jun 16, 2025STRL
STERLING INFRASTRUCTURE, INC.
SaleDirect10.2K shares at avg. $206.58$2.1M - May 8, 2025STRL
STERLING INFRASTRUCTURE, INC.
AwardDirect751 shares- - Feb 20, 2025OLN
OLIN Corp
AwardDirectRestricted Stock Units
17.4K shares- - Feb 19, 2025OLN
OLIN Corp
AwardDirect2.1K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 22, 2026 |  ASIX AdvanSix Inc. | Award | 6,207 | - | $0 | Direct |
| May 7, 2026 |  STRL STERLING INFRASTRUCTURE, INC. | Award | 181 | - | $0 | Direct |
| Feb 9, 2026 | STRL STERLING INFRASTRUCTURE, INC. | Sale | 2,000 | $410.00 | $820,000 | Direct |
| Feb 6, 2026 | STRL STERLING INFRASTRUCTURE, INC. | Sale | 1,000 | $400.00 | $400,000 | Direct |
| Feb 6, 2026 | STRL STERLING INFRASTRUCTURE, INC. | Sale | 1,000 | $390.00 | $390,000 | Direct |
| Nov 12, 2025 | STRL STERLING INFRASTRUCTURE, INC. | Gift | 1,000 | - | - | Direct |
| Jun 16, 2025 | STRL STERLING INFRASTRUCTURE, INC. | Sale | 10,154 | $206.58 | $2,097,613 | Direct |
| May 8, 2025 | STRL STERLING INFRASTRUCTURE, INC. | Award | 751 | - | - | Direct |
| Feb 20, 2025 |  OLN OLIN Corp | Award Restricted Stock Units | 17,379 | - | - | Direct |
| Feb 19, 2025 | OLN OLIN Corp | Award | 2,098 | - | - | Direct |
1-10 of 11 transactions