John A Koskinen

Insider

First SEC filing: Sept. 1, 2011 · Latest: Sept. 1, 2011

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

AES buying May 15, 2013

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 15 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

15 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 15, 2013	AES	P	92	$13.14	$1,209	30,322 Indirect	+0.30%	Acquired	12.1% (price as of 2026-08-20)
April 18, 2013	AES	A	7,594	—	—	172,498 Direct	+4.61%	Acquired	(price as of 2026-08-20)
Feb. 15, 2013	AES	P	107	$11.22	$1,201	30,230 Indirect	+0.36%	Acquired	31.2% (price as of 2026-08-20)
Nov. 15, 2012	AES	P	123	$9.69	$1,192	30,123 Indirect	+0.41%	Acquired	52.0% (price as of 2026-08-20)
April 19, 2012	AES	A	23,584	—	—	164,904 Direct	+16.69%	Acquired	(price as of 2026-08-20)
Aug. 30, 2011	817473	A	156,250	—	—	156,250 Direct	—	Acquired
April 21, 2011	AES	A	20,049	$13.01	$260,837	141,320 Direct	+16.53%	Acquired	13.2% (price as of 2026-08-20)
Oct. 8, 2010	817473	A	93,750	—	—	93,750 Direct	—	Acquired
April 22, 2010	AES	A	21,138	$12.34	$260,843	121,271 Direct	+21.11%	Acquired	19.3% (price as of 2026-08-20)
Sept. 30, 2009	817473	A	93,750	—	—	93,750 Direct	—	Acquired
April 23, 2009	AES	A	34,957	$6.69	$233,862	100,133 Direct	+53.63%	Acquired	120.1% (price as of 2026-08-20)
Nov. 13, 2008	817473	P	20,000	$5.67	$113,400	37,476 Indirect	+114.44%	Acquired
Oct. 6, 2008	AES	P	10,000	$8.89	$88,900	30,000 Indirect	+50.00%	Acquired	65.6% (price as of 2026-08-20)
Oct. 2, 2008	AES	P	10,000	$10.60	$106,000	20,000 Indirect	+100.00%	Acquired	38.9% (price as of 2026-08-20)
Sept. 16, 2008	AES	P	10,000	$12.48	$124,800	10,000 Indirect	—	Acquired	18.0% (price as of 2026-08-20)
May 8, 2008	817473	P	5,000	$31.06	$155,300	15,677 Indirect	+46.83%	Acquired
April 24, 2008	AES	A	14,052	$17.71	$248,861	65,176 Indirect	+27.49%	Acquired	-16.9% (price as of 2026-08-20)
Jan. 7, 2008	817473	P	5,000	$32.22	$161,100	10,000 Indirect	+100.00%	Acquired
Oct. 24, 2007	817473	A	50,000	—	—	50,000 Direct	—	Acquired
Oct. 12, 2007	AES	A	11,141	$21.44	$238,863	51,124 Indirect	+27.86%	Acquired	-31.3% (price as of 2026-08-20)
March 7, 2007	817473	P	2,000	$43.31	$86,620	5,000 Indirect	+66.67%	Acquired
March 5, 2007	817473	P	3,000	$42.77	$128,310	3,000 Indirect	—	Acquired
Feb. 16, 2007	817473	A	40,000	—	—	40,000 Direct	—	Acquired
Feb. 2, 2007	817473	A	20,000	—	—	20,000 Direct	—	Acquired
May 11, 2006	AES	A	9,353	$17.63	$164,893	39,983 Indirect	+30.54%	Acquired	-16.5% (price as of 2026-08-20)
April 28, 2005	AES	A	9,663	$16.03	$154,898	30,630 Indirect	+46.09%	Acquired	-8.1% (price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
April 18, 2013	AES	Units	Common Stock (7,594)	—	—	7,594	Acquired
April 19, 2012	AES	Units	Common Stock (23,584)	—	—	23,584	Acquired
Aug. 30, 2011	817473	Director Stock Option (right to buy)	Common Stock (156,250)	$8.69	Sept. 15, 2020	156,250	Acquired
April 21, 2011	AES	Units	Common Stock (20,049)	—	—	20,049	Acquired
Oct. 8, 2010	817473	Director Stock Option (right to buy)	Common Stock (93,750)	$6.15	June 11, 2019	93,750	Acquired
April 22, 2010	AES	Units	Common Stock (21,138)	—	—	21,138	Acquired
Sept. 30, 2009	817473	Common Stock Option	Common Stock (93,750)	$3.23	May 19, 2018	93,750	Acquired
April 23, 2009	AES	Units	Common Stock (34,957)	—	—	34,957	Acquired
April 24, 2008	AES	Units	Common Stock (14,052)	—	—	14,052	Acquired
Oct. 24, 2007	817473	Option	Common Stock (50,000)	$41.40	May 4, 2017	50,000	Acquired
Oct. 12, 2007	AES	Units	Common Stock (11,141)	—	—	11,141	Acquired
Feb. 16, 2007	817473	Option	Common Stock (40,000)	$49.70	Feb. 1, 2017	40,000	Acquired
Feb. 2, 2007	817473	Option	Common Stock (20,000)	$49.63	Feb. 2, 2017	20,000	Acquired
May 11, 2006	AES	Units	Common Stock (9,353)	—	—	9,353	Acquired
April 28, 2005	AES	Units	Common Stock (9,663)	—	—	9,663	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
April 30, 2004	AES	Units→ Common Stock (20,967)	20,967	Indirect