David R. Oliver Jr.

CIK: 0001376216

Transaction Breakdown

Open Market Buys (P)1 (25.0%)

High conviction signal

Open Market Sales (S)1 (25.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

AMSC

AMERICAN SUPERCONDUCTOR CORP /DE/

Director

Discretionary Trading P&L

Holdings

Transaction History (4 total)

AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/
Apr 3, 2026
Award(A)
Direct
3.1K shares-
AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/
Feb 24, 2026
Sale(S)
Direct
200 shares at avg. $34.10$7K
AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/
Apr 3, 2025
Award(A)
Direct
2.6K shares-
AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/
Jun 18, 2019
Purchase(P)
Direct
200 shares at avg. $8.33$2K

		Type	Shares	Price		Ownership
Apr 3, 2026	AMSC AMERICAN SUPERCONDUCTOR CORP /DE/	Award(A)	3,116	-	$0	Direct
Feb 24, 2026	AMSC AMERICAN SUPERCONDUCTOR CORP /DE/	Sale(S)	200	$34.10	$6,820	Direct
Apr 3, 2025	AMSC AMERICAN SUPERCONDUCTOR CORP /DE/	Award(A)	2,639	-	-	Direct
Jun 18, 2019	AMSC AMERICAN SUPERCONDUCTOR CORP /DE/	Purchase(P)	200	$8.33	$1,666	Direct

1-4 of 4 transactions

About OLIVER DAVID R JR

OLIVER DAVID R JR (SEC CIK 0001376216) files insider reports with the SEC as Director of AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC).

Signal8 holds 4 ownership filings by OLIVER DAVID R JR, all Form 4s, filed between Apr 4, 2025 and Apr 7, 2026. Those filings report 4 transactions, from Jun 18, 2019 to Apr 3, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on OLIVER DAVID R JR's filings is in AYER, MA.

Recent filings by OLIVER DAVID R JR

Apr 3, 2026: Grant or award of AMSC shares (Form 4, code A).
Feb 24, 2026: Open-market sale of AMSC shares (Form 4, code S).
Apr 3, 2025: Grant or award of AMSC shares (Form 4, code A).
Jun 18, 2019: Open-market purchase of AMSC shares (Form 4, code P).

Other insiders filing for AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)

Littlefield Barbara G., Director
Dambier Laura A., Director
Kosiba John W JR, SVP, CFO & Treasurer
McGahn Daniel P, Chairman, President and CEO
Donnelly Terence Robert, Director
Klein Margaret D., Director

How to read Form 4 transaction codes