David A Tonnel

Insider

First SEC filing: Dec. 1, 2025 · Latest: Dec. 1, 2025

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

RIG selling Aug. 31, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 77 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

77 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 31, 2023	RIG	S	57,259	$8.22	$470,669	417,789 Direct	-12.05%	Disposed	-26.9% (price as of 2026-08-20)
July 18, 2023	RIG	S 10b5-1	1,754	$8.76	$15,365	475,048 Direct	-0.37%	Disposed	-31.4% (price as of 2026-08-20)
April 17, 2023	RIG	S 10b5-1	12,000	$6.53	$78,360	476,802 Direct	-2.45%	Disposed	-8.0% (price as of 2026-08-20)
March 2, 2023	RIG	F	84,612	$6.76	$571,977	488,802 Direct	-14.76%	Disposed	-11.1% (price as of 2026-08-20)
March 1, 2023	RIG	M	69,611	$7.08	$492,846	437,678 Direct	+18.91%	Acquired	-15.1% (price as of 2026-08-20)
March 1, 2023	RIG	M	64,734	$7.08	$458,317	502,412 Direct	+14.79%	Acquired	-15.1% (price as of 2026-08-20)
March 1, 2023	RIG	M	71,002	$7.08	$502,694	573,414 Direct	+14.13%	Acquired	-15.1% (price as of 2026-08-20)
Feb. 15, 2023	RIG	S 10b5-1	24,857	$7.38	$183,445	368,067 Direct	-6.33%	Disposed	-18.6% (price as of 2026-08-20)
Feb. 10, 2023	RIG	F	108,974	$7.20	$784,613	392,924 Direct	-21.71%	Disposed	-16.5% (price as of 2026-08-20)
Feb. 9, 2023	RIG	M	268,499	—	—	501,898 Direct	+115.04%	Acquired	(price as of 2026-08-20)
Feb. 9, 2023	RIG	A	106,967	—	—	106,967 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2023	RIG	S 10b5-1	43,668	$6.94	$303,056	233,399 Direct	-15.76%	Disposed	-13.4% (price as of 2026-08-20)
Jan. 18, 2023	RIG	S 10b5-1	14,541	$6.15	$89,427	277,067 Direct	-4.99%	Disposed	-2.3% (price as of 2026-08-20)
Jan. 10, 2023	RIG	S 10b5-1	34,267	$5.45	$186,755	291,608 Direct	-10.52%	Disposed	10.3% (price as of 2026-08-20)
Jan. 6, 2023	RIG	S 10b5-1	13,069	$4.95	$64,692	325,875 Direct	-3.86%	Disposed	21.4% (price as of 2026-08-20)
March 2, 2022	RIG	F	58,746	$3.57	$209,723	338,944 Direct	-14.77%	Disposed	68.3% (price as of 2026-08-20)
March 1, 2022	RIG	M	64,734	—	—	397,690 Direct	+19.44%	Acquired	(price as of 2026-08-20)
March 1, 2022	RIG	M	69,610	—	—	332,956 Direct	+26.43%	Acquired	(price as of 2026-08-20)
March 1, 2022	RIG	M	12,865	—	—	263,346 Direct	+5.14%	Acquired	(price as of 2026-08-20)
Feb. 11, 2022	RIG	F	20,497	$3.61	$73,994	250,481 Direct	-7.56%	Disposed	66.5% (price as of 2026-08-20)
Feb. 10, 2022	RIG	A	213,006	—	—	213,006 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 10, 2022	RIG	M	51,821	—	—	270,978 Direct	+23.65%	Acquired	(price as of 2026-08-20)
May 10, 2021	RIG	F	27,956	$3.94	$110,147	219,157 Direct	-11.31%	Disposed	52.5% (price as of 2026-08-20)
May 8, 2021	RIG	M	69,610	—	—	139,221 Direct	+100.00%	Acquired	(price as of 2026-08-20)
May 8, 2021	RIG	M	69,610	—	—	247,113 Direct	+39.22%	Acquired	(price as of 2026-08-20)
March 2, 2021	RIG	F	9,541	$3.68	$35,111	177,503 Direct	-5.10%	Disposed	63.3% (price as of 2026-08-20)
March 1, 2021	RIG	M	12,865	—	—	12,865 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2021	RIG	M	12,865	—	—	187,044 Direct	+7.39%	Acquired	(price as of 2026-08-20)
March 1, 2021	RIG	M	10,427	—	—	174,179 Direct	+6.37%	Acquired	(price as of 2026-08-20)
Feb. 12, 2021	RIG	A	194,203	—	—	194,203 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 12, 2021	RIG	F	21,471	$3.37	$72,357	163,752 Direct	-11.59%	Disposed	78.3% (price as of 2026-08-20)
Feb. 11, 2021	RIG	M	49,061	—	—	185,223 Direct	+36.03%	Acquired	(price as of 2026-08-20)
May 8, 2020	RIG	A	208,831	—	—	208,831 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2020	RIG	M	12,865	—	—	25,730 Direct	+100.00%	Acquired	(price as of 2026-08-20)
March 2, 2020	RIG	M	10,427	—	—	10,427 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2020	RIG	F	13,774	—	—	136,668 Direct	-9.16%	Disposed	(price as of 2026-08-20)
March 1, 2020	RIG	M	12,864	—	—	150,442 Direct	+9.35%	Acquired	(price as of 2026-08-20)
March 1, 2020	RIG	M	10,426	—	—	137,578 Direct	+8.20%	Acquired	(price as of 2026-08-20)
March 1, 2020	RIG	M	8,069	—	—	127,152 Direct	+6.78%	Acquired	(price as of 2026-08-20)
Feb. 10, 2020	RIG	S 10b5-1	10,000	$4.68	$46,800	119,083 Direct	-7.75%	Disposed	28.4% (price as of 2026-08-20)
Feb. 7, 2020	RIG	F	17,303	$4.71	$81,497	128,577 Direct	-11.86%	Disposed	27.6% (price as of 2026-08-20)
Feb. 7, 2020	RIG	F	16,797	—	—	129,083 Direct	-11.51%	Disposed	(price as of 2026-08-20)
Feb. 6, 2020	RIG	M	40,144	—	—	145,880 Direct	+37.97%	Acquired	(price as of 2026-08-20)
April 22, 2019	RIG	S 10b5-1	6,200	$9.65	$59,830	105,736 Direct	-5.54%	Disposed	-37.7% (price as of 2026-08-20)
April 22, 2019	RIG	S 10b5-1	10,361	$9.01	$93,353	111,936 Direct	-8.47%	Disposed	-33.3% (price as of 2026-08-20)
March 1, 2019	RIG	M	10,426	—	—	20,853 Direct	+99.99%	Acquired	(price as of 2026-08-20)
March 1, 2019	RIG	M	8,069	—	—	8,069 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2019	RIG	F	10,671	—	—	122,297 Direct	-8.03%	Disposed	(price as of 2026-08-20)
March 1, 2019	RIG	M	10,426	—	—	132,968 Direct	+8.51%	Acquired	(price as of 2026-08-20)
March 1, 2019	RIG	M	8,068	—	—	122,542 Direct	+7.05%	Acquired	(price as of 2026-08-20)
March 1, 2019	RIG	M	8,621	—	—	114,474 Direct	+8.14%	Acquired	(price as of 2026-08-20)
Feb. 7, 2019	RIG	A	38,594	—	—	38,594 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 7, 2019	RIG	A	82,716	—	—	82,716 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 7, 2019	RIG	F	20,897	—	—	105,853 Direct	-16.49%	Disposed	(price as of 2026-08-20)
Feb. 7, 2019	RIG	M	51,724	—	—	126,750 Direct	+68.94%	Acquired	(price as of 2026-08-20)
Oct. 9, 2018	RIG	S 10b5-1	1,350	$14.40	$19,440	75,026 Direct	-1.77%	Disposed	-58.3% (price as of 2026-08-20)
May 17, 2018	RIG	S 10b5-1	2,443	$14.00	$34,202	76,376 Direct	-3.10%	Disposed	-57.1% (price as of 2026-08-20)
May 16, 2018	RIG	S 10b5-1	5,000	$13.70	$68,500	78,819 Direct	-5.97%	Disposed	-56.1% (price as of 2026-08-20)
March 2, 2018	RIG	F	6,695	$9.20	$61,594	83,819 Direct	-7.40%	Disposed	-34.7% (price as of 2026-08-20)
March 1, 2018	RIG	M	8,068	—	—	16,137 Direct	+99.99%	Acquired	(price as of 2026-08-20)
March 1, 2018	RIG	M	8,621	—	—	8,621 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2018	RIG	M	7,308	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2018	RIG	M	8,068	—	—	90,514 Direct	+9.79%	Acquired	(price as of 2026-08-20)
March 1, 2018	RIG	M	8,621	—	—	82,446 Direct	+11.68%	Acquired	(price as of 2026-08-20)
March 1, 2018	RIG	M	7,308	—	—	73,825 Direct	+10.99%	Acquired	(price as of 2026-08-20)
Feb. 13, 2018	RIG	S 10b5-1	8,832	$9.39	$82,932	66,517 Direct	-11.72%	Disposed	-36.0% (price as of 2026-08-20)
Feb. 13, 2018	RIG	S 10b5-1	168	$9.39	$1,578	75,349 Direct	-0.22%	Disposed	-36.0% (price as of 2026-08-20)
Feb. 12, 2018	RIG	F	9,831	$9.40	$92,411	75,517 Direct	+14.97%	Acquired	-36.1% (price as of 2026-08-20)
Feb. 8, 2018	RIG	A	31,279	—	—	31,279 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 8, 2018	RIG	A	62,970	—	—	62,970 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 8, 2018	RIG	M	34,704	—	—	82,348 Direct	+72.84%	Acquired	(price as of 2026-08-20)
April 27, 2017	RIG	S 10b5-1	557	$11.28	$6,283	47,644 Direct	-1.16%	Disposed	-46.7% (price as of 2026-08-20)
April 27, 2017	RIG	S 10b5-1	1,236	$11.28	$13,942	48,201 Direct	-2.50%	Disposed	-46.7% (price as of 2026-08-20)
April 27, 2017	RIG	S 10b5-1	1,188	$11.28	$13,401	49,437 Direct	-2.35%	Disposed	-46.7% (price as of 2026-08-20)
April 27, 2017	RIG	S 10b5-1	350	$11.28	$3,948	50,625 Direct	-0.69%	Disposed	-46.7% (price as of 2026-08-20)
April 27, 2017	RIG	S 10b5-1	1,048	$11.28	$11,821	50,975 Direct	-2.01%	Disposed	-46.7% (price as of 2026-08-20)
April 27, 2017	RIG	S 10b5-1	2,822	$11.28	$31,832	52,023 Direct	-5.15%	Disposed	-46.7% (price as of 2026-08-20)
April 27, 2017	RIG	S 10b5-1	2,249	$11.28	$25,369	54,845 Direct	-3.94%	Disposed	-46.7% (price as of 2026-08-20)
March 2, 2017	RIG	F	5,612	$13.60	$76,323	57,094 Direct	-8.95%	Disposed	-55.8% (price as of 2026-08-20)
March 1, 2017	RIG	M	8,620	—	—	17,242 Direct	+99.98%	Acquired	(price as of 2026-08-20)
March 1, 2017	RIG	M	7,308	—	—	7,308 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2017	RIG	M	3,887	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2017	RIG	M	8,620	—	—	62,706 Direct	+15.94%	Acquired	(price as of 2026-08-20)
March 1, 2017	RIG	M	7,308	—	—	54,086 Direct	+15.62%	Acquired	(price as of 2026-08-20)
March 1, 2017	RIG	M	3,887	—	—	46,778 Direct	+9.06%	Acquired	(price as of 2026-08-20)
Feb. 13, 2017	RIG	F	3,928	$13.23	$51,967	42,891 Direct	-8.39%	Disposed	-54.6% (price as of 2026-08-20)
Feb. 13, 2017	RIG	F	3,928	$13.23	$51,967	10,449 Direct	-27.32%	Disposed	-54.6% (price as of 2026-08-20)
Feb. 10, 2017	RIG	A	24,205	—	—	24,205 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 10, 2017	RIG	A	46,657	—	—	46,657 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 9, 2017	RIG	A	14,377	—	—	46,819 Direct	+44.32%	Acquired	(price as of 2026-08-20)
Feb. 9, 2017	RIG	A	14,377	—	—	14,377 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2016	RIG	M	7,307	—	—	14,616 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 1, 2016	RIG	M	3,887	—	—	3,887 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 1, 2016	RIG	M	2,557	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2016	RIG	F	6,011	$8.81	$52,957	32,442 Direct	-15.63%	Disposed	-31.8% (price as of 2026-08-20)
March 1, 2016	RIG	M	7,307	—	—	38,453 Direct	+23.46%	Acquired	(price as of 2026-08-20)
March 1, 2016	RIG	M	3,887	—	—	31,146 Direct	+14.26%	Acquired	(price as of 2026-08-20)
March 1, 2016	RIG	M	2,557	—	—	27,259 Direct	+10.35%	Acquired	(price as of 2026-08-20)
Feb. 11, 2016	RIG	A	25,862	—	—	25,862 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 11, 2016	RIG	A	44,118	—	—	44,118 Direct	—	Acquired	(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
Feb. 9, 2023	RIG	Restricted Units	Registered Shares (106,967)	$0.00	—	106,967	Acquired
Feb. 10, 2022	RIG	Restricted Units	Registered Shares (213,006)	$0.00	—	213,006	Acquired
May 8, 2021	RIG	Restricted Units	Registered Shares (69,610)	$0.00	—	69,610	Acquired
March 1, 2021	RIG	Restricted Units	Registered Shares (12,865)	$0.00	—	12,865	Acquired
Feb. 12, 2021	RIG	Restricted Units	Registered Shares (194,203)	$0.00	—	194,203	Acquired
May 8, 2020	RIG	Deferred Units	Registered Shares (208,831)	$0.00	—	208,831	Acquired
March 2, 2020	RIG	Restricted Units	Registered Shares (12,865)	$0.00	—	12,865	Acquired
March 2, 2020	RIG	Restricted Units	Registered Shares (10,427)	$0.00	—	10,427	Acquired
March 1, 2019	RIG	Restricted Units	Registered Shares (10,426)	$0.00	—	10,426	Acquired
March 1, 2019	RIG	Restricted Units	Registered Shares (8,069)	$0.00	—	8,069	Acquired
Feb. 7, 2019	RIG	Deferred Units	Registered Shares (38,594)	$0.00	—	38,594	Acquired
Feb. 7, 2019	RIG	Stock Options	Registered Shares (82,716)	$8.35	Feb. 7, 2029	82,716	Acquired
March 1, 2018	RIG	Restricted Units	Registered Shares (8,068)	$0.00	—	8,068	Acquired
March 1, 2018	RIG	Restricted Units	Registered Shares (8,621)	$0.00	—	8,621	Acquired
March 1, 2018	RIG	Restricted Units	Registered Shares (7,308)	$0.00	—	7,308	Acquired
Feb. 8, 2018	RIG	Deferred Units	Registered Shares (31,279)	$0.00	—	31,279	Acquired
Feb. 8, 2018	RIG	Stock Options	Registered Shares (62,970)	$9.18	Feb. 7, 2028	62,970	Acquired
March 1, 2017	RIG	Restricted Units	Registered Shares (8,620)	$0.00	—	8,620	Acquired
March 1, 2017	RIG	Restricted Units	Registered Shares (7,308)	$0.00	—	7,308	Acquired
March 1, 2017	RIG	Restricted Units	Registered Shares (3,887)	$0.00	—	3,887	Acquired
Feb. 10, 2017	RIG	Deferred Units	Registered Shares (24,205)	$0.00	—	24,205	Acquired
Feb. 10, 2017	RIG	Stock Options	Registered Shares (46,657)	$13.35	Feb. 10, 2027	46,657	Acquired
March 1, 2016	RIG	Restricted Units	Registered Shares (7,307)	$0.00	—	7,307	Disposed
March 1, 2016	RIG	Restricted Units	Registered Shares (3,887)	$0.00	—	3,887	Disposed
March 1, 2016	RIG	Restricted Units	Registered Shares (2,557)	$0.00	—	2,557	Disposed
Feb. 11, 2016	RIG	Deferred Units	Registered Shares (25,862)	$0.00	—	25,862	Acquired
Feb. 11, 2016	RIG	Stock Options	Registered Shares (44,118)	$8.61	Feb. 11, 2026	44,118	Acquired

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

Initial ownership (Form 3) 13 holdings

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

Date	Ticker	Security	Shares	Ownership
Dec. 1, 2025	SMR	Restricted Stock Unit→ Class A Common Stock (29,131)	29,131	Direct
March 8, 2012	RIG	Registered Shares	6,760	Direct
March 2, 2012	RIG	Registered Shares	5,622	Direct
March 2, 2012	RIG	Registered Shares	987	Indirect
March 2, 2012	RIG	Stock Options→ Registered Shares (3,401)	3,401	Direct
March 2, 2012	RIG	Stock Options→ Registered Shares (2,729)	2,729	Direct
March 2, 2012	RIG	Stock Options→ Registered Shares (11,792)	11,792	Direct
March 2, 2012	RIG	Stock Options→ Registered Shares (8,731)	8,731	Direct
March 2, 2012	RIG	Stock Options→ Registered Shares (22,999)	22,999	Direct
March 2, 2012	RIG	Deferred Units→ Registered Shares (529)	529	Direct
March 2, 2012	RIG	Deferred Units→ Registered Shares (5,229)	5,229	Direct
March 2, 2012	RIG	Deferred Units→ Registered Shares (2,959)	2,959	Direct
March 2, 2012	RIG	Deferred Units→ Registered Shares (9,442)	9,442	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

RIG

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2014	$437,500	—	$876,890	—	$260,290	$358,021	$273,368	$2,206,069
2013	$420,833	—	$1,022,795	$357,561	$234,290	$85,842	$249,841	$2,371,162

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.